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00023 #define _XOPEN_SOURCE 600
00024
00025 #include "config.h"
00026 #include <ctype.h>
00027 #include <string.h>
00028 #include <math.h>
00029 #include <stdlib.h>
00030 #include <errno.h>
00031 #include <signal.h>
00032 #include <limits.h>
00033 #include <unistd.h>
00034 #include "libavformat/avformat.h"
00035 #include "libavdevice/avdevice.h"
00036 #include "libswscale/swscale.h"
00037 #include "libavcodec/opt.h"
00038 #include "libavcodec/audioconvert.h"
00039 #include "libavcodec/colorspace.h"
00040 #include "libavutil/fifo.h"
00041 #include "libavutil/pixdesc.h"
00042 #include "libavutil/avstring.h"
00043 #include "libavutil/libm.h"
00044 #include "libavformat/os_support.h"
00045
00046 #if HAVE_SYS_RESOURCE_H
00047 #include <sys/types.h>
00048 #include <sys/time.h>
00049 #include <sys/resource.h>
00050 #elif HAVE_GETPROCESSTIMES
00051 #include <windows.h>
00052 #endif
00053 #if HAVE_GETPROCESSMEMORYINFO
00054 #include <windows.h>
00055 #include <psapi.h>
00056 #endif
00057
00058 #if HAVE_SYS_SELECT_H
00059 #include <sys/select.h>
00060 #endif
00061
00062 #if HAVE_TERMIOS_H
00063 #include <fcntl.h>
00064 #include <sys/ioctl.h>
00065 #include <sys/time.h>
00066 #include <termios.h>
00067 #elif HAVE_CONIO_H
00068 #include <conio.h>
00069 #endif
00070 #include <time.h>
00071
00072 #include "cmdutils.h"
00073
00074 #undef NDEBUG
00075 #include <assert.h>
00076
00077 const char program_name[] = "FFmpeg";
00078 const int program_birth_year = 2000;
00079
00080
00081 typedef struct AVStreamMap {
00082 int file_index;
00083 int stream_index;
00084 int sync_file_index;
00085 int sync_stream_index;
00086 } AVStreamMap;
00087
00089 typedef struct AVMetaDataMap {
00090 int out_file;
00091 int in_file;
00092 } AVMetaDataMap;
00093
00094 static const OptionDef options[];
00095
00096 #define MAX_FILES 100
00097
00098 static const char *last_asked_format = NULL;
00099 static AVFormatContext *input_files[MAX_FILES];
00100 static int64_t input_files_ts_offset[MAX_FILES];
00101 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
00102 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
00103 static int nb_input_files = 0;
00104 static int nb_icodecs;
00105
00106 static AVFormatContext *output_files[MAX_FILES];
00107 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
00108 static int nb_output_files = 0;
00109 static int nb_ocodecs;
00110
00111 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
00112 static int nb_stream_maps;
00113
00114 static AVMetaDataMap meta_data_maps[MAX_FILES];
00115 static int nb_meta_data_maps;
00116
00117 static int frame_width = 0;
00118 static int frame_height = 0;
00119 static float frame_aspect_ratio = 0;
00120 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
00121 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
00122 static int frame_padtop = 0;
00123 static int frame_padbottom = 0;
00124 static int frame_padleft = 0;
00125 static int frame_padright = 0;
00126 static int padcolor[3] = {16,128,128};
00127 static int frame_topBand = 0;
00128 static int frame_bottomBand = 0;
00129 static int frame_leftBand = 0;
00130 static int frame_rightBand = 0;
00131 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
00132 static AVRational frame_rate;
00133 static float video_qscale = 0;
00134 static uint16_t *intra_matrix = NULL;
00135 static uint16_t *inter_matrix = NULL;
00136 static const char *video_rc_override_string=NULL;
00137 static int video_disable = 0;
00138 static int video_discard = 0;
00139 static char *video_codec_name = NULL;
00140 static int video_codec_tag = 0;
00141 static char *video_language = NULL;
00142 static int same_quality = 0;
00143 static int do_deinterlace = 0;
00144 static int top_field_first = -1;
00145 static int me_threshold = 0;
00146 static int intra_dc_precision = 8;
00147 static int loop_input = 0;
00148 static int loop_output = AVFMT_NOOUTPUTLOOP;
00149 static int qp_hist = 0;
00150
00151 static int intra_only = 0;
00152 static int audio_sample_rate = 44100;
00153 static int64_t channel_layout = 0;
00154 #define QSCALE_NONE -99999
00155 static float audio_qscale = QSCALE_NONE;
00156 static int audio_disable = 0;
00157 static int audio_channels = 1;
00158 static char *audio_codec_name = NULL;
00159 static int audio_codec_tag = 0;
00160 static char *audio_language = NULL;
00161
00162 static int subtitle_disable = 0;
00163 static char *subtitle_codec_name = NULL;
00164 static char *subtitle_language = NULL;
00165 static int subtitle_codec_tag = 0;
00166
00167 static float mux_preload= 0.5;
00168 static float mux_max_delay= 0.7;
00169
00170 static int64_t recording_time = INT64_MAX;
00171 static int64_t start_time = 0;
00172 static int64_t rec_timestamp = 0;
00173 static int64_t input_ts_offset = 0;
00174 static int file_overwrite = 0;
00175 static int metadata_count;
00176 static AVMetadataTag *metadata;
00177 static int do_benchmark = 0;
00178 static int do_hex_dump = 0;
00179 static int do_pkt_dump = 0;
00180 static int do_psnr = 0;
00181 static int do_pass = 0;
00182 static char *pass_logfilename_prefix = NULL;
00183 static int audio_stream_copy = 0;
00184 static int video_stream_copy = 0;
00185 static int subtitle_stream_copy = 0;
00186 static int video_sync_method= -1;
00187 static int audio_sync_method= 0;
00188 static float audio_drift_threshold= 0.1;
00189 static int copy_ts= 0;
00190 static int opt_shortest = 0;
00191 static int video_global_header = 0;
00192 static char *vstats_filename;
00193 static FILE *vstats_file;
00194 static int opt_programid = 0;
00195 static int copy_initial_nonkeyframes = 0;
00196
00197 static int rate_emu = 0;
00198
00199 static int video_channel = 0;
00200 static char *video_standard;
00201
00202 static int audio_volume = 256;
00203
00204 static int exit_on_error = 0;
00205 static int using_stdin = 0;
00206 static int verbose = 1;
00207 static int thread_count= 1;
00208 static int q_pressed = 0;
00209 static int64_t video_size = 0;
00210 static int64_t audio_size = 0;
00211 static int64_t extra_size = 0;
00212 static int nb_frames_dup = 0;
00213 static int nb_frames_drop = 0;
00214 static int input_sync;
00215 static uint64_t limit_filesize = 0;
00216 static int force_fps = 0;
00217
00218 static int pgmyuv_compatibility_hack=0;
00219 static float dts_delta_threshold = 10;
00220
00221 static unsigned int sws_flags = SWS_BICUBIC;
00222
00223 static int64_t timer_start;
00224
00225 static uint8_t *audio_buf;
00226 static uint8_t *audio_out;
00227 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
00228
00229 static short *samples;
00230
00231 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
00232 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
00233 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
00234 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
00235
00236 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
00237
00238 struct AVInputStream;
00239
00240 typedef struct AVOutputStream {
00241 int file_index;
00242 int index;
00243 int source_index;
00244 AVStream *st;
00245 int encoding_needed;
00246 int frame_number;
00247
00248
00249
00250 struct AVInputStream *sync_ist;
00251 int64_t sync_opts;
00252
00253 int video_resample;
00254 AVFrame pict_tmp;
00255 struct SwsContext *img_resample_ctx;
00256 int resample_height;
00257 int resample_width;
00258 int resample_pix_fmt;
00259
00260
00261 int original_height;
00262 int original_width;
00263
00264
00265 int video_crop;
00266 int topBand;
00267 int bottomBand;
00268 int leftBand;
00269 int rightBand;
00270
00271
00272 int original_topBand;
00273 int original_bottomBand;
00274 int original_leftBand;
00275 int original_rightBand;
00276
00277
00278 int video_pad;
00279 int padtop;
00280 int padbottom;
00281 int padleft;
00282 int padright;
00283
00284
00285 int audio_resample;
00286 ReSampleContext *resample;
00287 int reformat_pair;
00288 AVAudioConvert *reformat_ctx;
00289 AVFifoBuffer *fifo;
00290 FILE *logfile;
00291 } AVOutputStream;
00292
00293 typedef struct AVInputStream {
00294 int file_index;
00295 int index;
00296 AVStream *st;
00297 int discard;
00298 int decoding_needed;
00299 int64_t sample_index;
00300
00301 int64_t start;
00302 int64_t next_pts;
00303
00304 int64_t pts;
00305 int is_start;
00306 int showed_multi_packet_warning;
00307 int is_past_recording_time;
00308 } AVInputStream;
00309
00310 typedef struct AVInputFile {
00311 int eof_reached;
00312 int ist_index;
00313 int buffer_size;
00314 int nb_streams;
00315 } AVInputFile;
00316
00317 #if HAVE_TERMIOS_H
00318
00319
00320 static struct termios oldtty;
00321 #endif
00322
00323 static void term_exit(void)
00324 {
00325 #if HAVE_TERMIOS_H
00326 tcsetattr (0, TCSANOW, &oldtty);
00327 #endif
00328 }
00329
00330 static volatile int received_sigterm = 0;
00331
00332 static void
00333 sigterm_handler(int sig)
00334 {
00335 received_sigterm = sig;
00336 term_exit();
00337 }
00338
00339 static void term_init(void)
00340 {
00341 #if HAVE_TERMIOS_H
00342 struct termios tty;
00343
00344 tcgetattr (0, &tty);
00345 oldtty = tty;
00346 atexit(term_exit);
00347
00348 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
00349 |INLCR|IGNCR|ICRNL|IXON);
00350 tty.c_oflag |= OPOST;
00351 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
00352 tty.c_cflag &= ~(CSIZE|PARENB);
00353 tty.c_cflag |= CS8;
00354 tty.c_cc[VMIN] = 1;
00355 tty.c_cc[VTIME] = 0;
00356
00357 tcsetattr (0, TCSANOW, &tty);
00358 signal(SIGQUIT, sigterm_handler);
00359 #endif
00360
00361 signal(SIGINT , sigterm_handler);
00362 signal(SIGTERM, sigterm_handler);
00363 #ifdef SIGXCPU
00364 signal(SIGXCPU, sigterm_handler);
00365 #endif
00366
00367 #if CONFIG_BEOS_NETSERVER
00368 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
00369 #endif
00370 }
00371
00372
00373 static int read_key(void)
00374 {
00375 #if HAVE_TERMIOS_H
00376 int n = 1;
00377 unsigned char ch;
00378 #if !CONFIG_BEOS_NETSERVER
00379 struct timeval tv;
00380 fd_set rfds;
00381
00382 FD_ZERO(&rfds);
00383 FD_SET(0, &rfds);
00384 tv.tv_sec = 0;
00385 tv.tv_usec = 0;
00386 n = select(1, &rfds, NULL, NULL, &tv);
00387 #endif
00388 if (n > 0) {
00389 n = read(0, &ch, 1);
00390 if (n == 1)
00391 return ch;
00392
00393 return n;
00394 }
00395 #elif HAVE_CONIO_H
00396 if(kbhit())
00397 return(getch());
00398 #endif
00399 return -1;
00400 }
00401
00402 static int decode_interrupt_cb(void)
00403 {
00404 return q_pressed || (q_pressed = read_key() == 'q');
00405 }
00406
00407 static int av_exit(int ret)
00408 {
00409 int i;
00410
00411
00412 for(i=0;i<nb_output_files;i++) {
00413
00414 AVFormatContext *s = output_files[i];
00415 int j;
00416 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
00417 url_fclose(s->pb);
00418 for(j=0;j<s->nb_streams;j++) {
00419 av_metadata_free(&s->streams[j]->metadata);
00420 av_free(s->streams[j]->codec);
00421 av_free(s->streams[j]);
00422 }
00423 for(j=0;j<s->nb_programs;j++) {
00424 av_metadata_free(&s->programs[j]->metadata);
00425 }
00426 for(j=0;j<s->nb_chapters;j++) {
00427 av_metadata_free(&s->chapters[j]->metadata);
00428 }
00429 av_metadata_free(&s->metadata);
00430 av_free(s);
00431 }
00432 for(i=0;i<nb_input_files;i++)
00433 av_close_input_file(input_files[i]);
00434
00435 av_free(intra_matrix);
00436 av_free(inter_matrix);
00437
00438 if (vstats_file)
00439 fclose(vstats_file);
00440 av_free(vstats_filename);
00441
00442 av_free(opt_names);
00443
00444 av_free(video_codec_name);
00445 av_free(audio_codec_name);
00446 av_free(subtitle_codec_name);
00447
00448 av_free(video_standard);
00449
00450 #if CONFIG_POWERPC_PERF
00451 void powerpc_display_perf_report(void);
00452 powerpc_display_perf_report();
00453 #endif
00454
00455 for (i=0;i<AVMEDIA_TYPE_NB;i++)
00456 av_free(avcodec_opts[i]);
00457 av_free(avformat_opts);
00458 av_free(sws_opts);
00459 av_free(audio_buf);
00460 av_free(audio_out);
00461 allocated_audio_buf_size= allocated_audio_out_size= 0;
00462 av_free(samples);
00463
00464 if (received_sigterm) {
00465 fprintf(stderr,
00466 "Received signal %d: terminating.\n",
00467 (int) received_sigterm);
00468 exit (255);
00469 }
00470
00471 exit(ret);
00472 return ret;
00473 }
00474
00475 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
00476 {
00477 if(codec && codec->sample_fmts){
00478 const enum SampleFormat *p= codec->sample_fmts;
00479 for(; *p!=-1; p++){
00480 if(*p == st->codec->sample_fmt)
00481 break;
00482 }
00483 if(*p == -1)
00484 st->codec->sample_fmt = codec->sample_fmts[0];
00485 }
00486 }
00487
00488 static void choose_sample_rate(AVStream *st, AVCodec *codec)
00489 {
00490 if(codec && codec->supported_samplerates){
00491 const int *p= codec->supported_samplerates;
00492 int best;
00493 int best_dist=INT_MAX;
00494 for(; *p; p++){
00495 int dist= abs(st->codec->sample_rate - *p);
00496 if(dist < best_dist){
00497 best_dist= dist;
00498 best= *p;
00499 }
00500 }
00501 if(best_dist){
00502 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
00503 }
00504 st->codec->sample_rate= best;
00505 }
00506 }
00507
00508 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
00509 {
00510 if(codec && codec->pix_fmts){
00511 const enum PixelFormat *p= codec->pix_fmts;
00512 for(; *p!=-1; p++){
00513 if(*p == st->codec->pix_fmt)
00514 break;
00515 }
00516 if(*p == -1
00517 && !( st->codec->codec_id==CODEC_ID_MJPEG
00518 && st->codec->strict_std_compliance <= FF_COMPLIANCE_INOFFICIAL
00519 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
00520 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
00521 st->codec->pix_fmt = codec->pix_fmts[0];
00522 }
00523 }
00524
00525 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
00526 {
00527 int i, err;
00528 AVFormatContext *ic;
00529 int nopts = 0;
00530
00531 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
00532 if (err < 0)
00533 return err;
00534
00535 s->nb_streams = ic->nb_streams;
00536 for(i=0;i<ic->nb_streams;i++) {
00537 AVStream *st;
00538 AVCodec *codec;
00539
00540
00541 st = av_mallocz(sizeof(AVStream));
00542 memcpy(st, ic->streams[i], sizeof(AVStream));
00543 st->codec = avcodec_alloc_context();
00544 if (!st->codec) {
00545 print_error(filename, AVERROR(ENOMEM));
00546 av_exit(1);
00547 }
00548 avcodec_copy_context(st->codec, ic->streams[i]->codec);
00549 s->streams[i] = st;
00550
00551 codec = avcodec_find_encoder(st->codec->codec_id);
00552 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
00553 if (audio_stream_copy) {
00554 st->stream_copy = 1;
00555 } else
00556 choose_sample_fmt(st, codec);
00557 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
00558 if (video_stream_copy) {
00559 st->stream_copy = 1;
00560 } else
00561 choose_pixel_fmt(st, codec);
00562 }
00563
00564 if(!st->codec->thread_count)
00565 st->codec->thread_count = 1;
00566 if(st->codec->thread_count>1)
00567 avcodec_thread_init(st->codec, st->codec->thread_count);
00568
00569 if(st->codec->flags & CODEC_FLAG_BITEXACT)
00570 nopts = 1;
00571 }
00572
00573 if (!nopts)
00574 s->timestamp = av_gettime();
00575
00576 av_close_input_file(ic);
00577 return 0;
00578 }
00579
00580 static double
00581 get_sync_ipts(const AVOutputStream *ost)
00582 {
00583 const AVInputStream *ist = ost->sync_ist;
00584 return (double)(ist->pts - start_time)/AV_TIME_BASE;
00585 }
00586
00587 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
00588 int ret;
00589
00590 while(bsfc){
00591 AVPacket new_pkt= *pkt;
00592 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
00593 &new_pkt.data, &new_pkt.size,
00594 pkt->data, pkt->size,
00595 pkt->flags & AV_PKT_FLAG_KEY);
00596 if(a>0){
00597 av_free_packet(pkt);
00598 new_pkt.destruct= av_destruct_packet;
00599 } else if(a<0){
00600 fprintf(stderr, "%s failed for stream %d, codec %s",
00601 bsfc->filter->name, pkt->stream_index,
00602 avctx->codec ? avctx->codec->name : "copy");
00603 print_error("", a);
00604 if (exit_on_error)
00605 av_exit(1);
00606 }
00607 *pkt= new_pkt;
00608
00609 bsfc= bsfc->next;
00610 }
00611
00612 ret= av_interleaved_write_frame(s, pkt);
00613 if(ret < 0){
00614 print_error("av_interleaved_write_frame()", ret);
00615 av_exit(1);
00616 }
00617 }
00618
00619 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
00620
00621 static void do_audio_out(AVFormatContext *s,
00622 AVOutputStream *ost,
00623 AVInputStream *ist,
00624 unsigned char *buf, int size)
00625 {
00626 uint8_t *buftmp;
00627 int64_t audio_out_size, audio_buf_size;
00628 int64_t allocated_for_size= size;
00629
00630 int size_out, frame_bytes, ret;
00631 AVCodecContext *enc= ost->st->codec;
00632 AVCodecContext *dec= ist->st->codec;
00633 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
00634 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
00635 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
00636
00637 need_realloc:
00638 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
00639 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
00640 audio_buf_size= audio_buf_size*2 + 10000;
00641 audio_buf_size*= osize*enc->channels;
00642
00643 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
00644 if(coded_bps > 8*osize)
00645 audio_out_size= audio_out_size * coded_bps / (8*osize);
00646 audio_out_size += FF_MIN_BUFFER_SIZE;
00647
00648 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
00649 fprintf(stderr, "Buffer sizes too large\n");
00650 av_exit(1);
00651 }
00652
00653 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
00654 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
00655 if (!audio_buf || !audio_out){
00656 fprintf(stderr, "Out of memory in do_audio_out\n");
00657 av_exit(1);
00658 }
00659
00660 if (enc->channels != dec->channels)
00661 ost->audio_resample = 1;
00662
00663 if (ost->audio_resample && !ost->resample) {
00664 if (dec->sample_fmt != SAMPLE_FMT_S16)
00665 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
00666 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
00667 enc->sample_rate, dec->sample_rate,
00668 enc->sample_fmt, dec->sample_fmt,
00669 16, 10, 0, 0.8);
00670 if (!ost->resample) {
00671 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
00672 dec->channels, dec->sample_rate,
00673 enc->channels, enc->sample_rate);
00674 av_exit(1);
00675 }
00676 }
00677
00678 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
00679 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
00680 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
00681 if (ost->reformat_ctx)
00682 av_audio_convert_free(ost->reformat_ctx);
00683 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
00684 dec->sample_fmt, 1, NULL, 0);
00685 if (!ost->reformat_ctx) {
00686 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
00687 avcodec_get_sample_fmt_name(dec->sample_fmt),
00688 avcodec_get_sample_fmt_name(enc->sample_fmt));
00689 av_exit(1);
00690 }
00691 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
00692 }
00693
00694 if(audio_sync_method){
00695 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
00696 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
00697 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
00698 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
00699
00700
00701 if(fabs(delta) > 50){
00702 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
00703 if(byte_delta < 0){
00704 byte_delta= FFMAX(byte_delta, -size);
00705 size += byte_delta;
00706 buf -= byte_delta;
00707 if(verbose > 2)
00708 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
00709 if(!size)
00710 return;
00711 ist->is_start=0;
00712 }else{
00713 static uint8_t *input_tmp= NULL;
00714 input_tmp= av_realloc(input_tmp, byte_delta + size);
00715
00716 if(byte_delta > allocated_for_size - size){
00717 allocated_for_size= byte_delta + (int64_t)size;
00718 goto need_realloc;
00719 }
00720 ist->is_start=0;
00721
00722 memset(input_tmp, 0, byte_delta);
00723 memcpy(input_tmp + byte_delta, buf, size);
00724 buf= input_tmp;
00725 size += byte_delta;
00726 if(verbose > 2)
00727 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
00728 }
00729 }else if(audio_sync_method>1){
00730 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
00731 assert(ost->audio_resample);
00732 if(verbose > 2)
00733 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
00734
00735 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
00736 }
00737 }
00738 }else
00739 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
00740 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
00741
00742 if (ost->audio_resample) {
00743 buftmp = audio_buf;
00744 size_out = audio_resample(ost->resample,
00745 (short *)buftmp, (short *)buf,
00746 size / (ist->st->codec->channels * isize));
00747 size_out = size_out * enc->channels * osize;
00748 } else {
00749 buftmp = buf;
00750 size_out = size;
00751 }
00752
00753 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
00754 const void *ibuf[6]= {buftmp};
00755 void *obuf[6]= {audio_buf};
00756 int istride[6]= {isize};
00757 int ostride[6]= {osize};
00758 int len= size_out/istride[0];
00759 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
00760 printf("av_audio_convert() failed\n");
00761 if (exit_on_error)
00762 av_exit(1);
00763 return;
00764 }
00765 buftmp = audio_buf;
00766 size_out = len*osize;
00767 }
00768
00769
00770 if (enc->frame_size > 1) {
00771
00772 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
00773 fprintf(stderr, "av_fifo_realloc2() failed\n");
00774 av_exit(1);
00775 }
00776 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
00777
00778 frame_bytes = enc->frame_size * osize * enc->channels;
00779
00780 while (av_fifo_size(ost->fifo) >= frame_bytes) {
00781 AVPacket pkt;
00782 av_init_packet(&pkt);
00783
00784 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
00785
00786
00787
00788 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
00789 (short *)audio_buf);
00790 if (ret < 0) {
00791 fprintf(stderr, "Audio encoding failed\n");
00792 av_exit(1);
00793 }
00794 audio_size += ret;
00795 pkt.stream_index= ost->index;
00796 pkt.data= audio_out;
00797 pkt.size= ret;
00798 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
00799 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
00800 pkt.flags |= AV_PKT_FLAG_KEY;
00801 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
00802
00803 ost->sync_opts += enc->frame_size;
00804 }
00805 } else {
00806 AVPacket pkt;
00807 av_init_packet(&pkt);
00808
00809 ost->sync_opts += size_out / (osize * enc->channels);
00810
00811
00812
00813 size_out /= osize;
00814 if (coded_bps)
00815 size_out = size_out*coded_bps/8;
00816
00817 if(size_out > audio_out_size){
00818 fprintf(stderr, "Internal error, buffer size too small\n");
00819 av_exit(1);
00820 }
00821
00822
00823 ret = avcodec_encode_audio(enc, audio_out, size_out,
00824 (short *)buftmp);
00825 if (ret < 0) {
00826 fprintf(stderr, "Audio encoding failed\n");
00827 av_exit(1);
00828 }
00829 audio_size += ret;
00830 pkt.stream_index= ost->index;
00831 pkt.data= audio_out;
00832 pkt.size= ret;
00833 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
00834 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
00835 pkt.flags |= AV_PKT_FLAG_KEY;
00836 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
00837 }
00838 }
00839
00840 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
00841 {
00842 AVCodecContext *dec;
00843 AVPicture *picture2;
00844 AVPicture picture_tmp;
00845 uint8_t *buf = 0;
00846
00847 dec = ist->st->codec;
00848
00849
00850 if (do_deinterlace) {
00851 int size;
00852
00853
00854 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
00855 buf = av_malloc(size);
00856 if (!buf)
00857 return;
00858
00859 picture2 = &picture_tmp;
00860 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
00861
00862 if(avpicture_deinterlace(picture2, picture,
00863 dec->pix_fmt, dec->width, dec->height) < 0) {
00864
00865 fprintf(stderr, "Deinterlacing failed\n");
00866 av_free(buf);
00867 buf = NULL;
00868 picture2 = picture;
00869 }
00870 } else {
00871 picture2 = picture;
00872 }
00873
00874 if (picture != picture2)
00875 *picture = *picture2;
00876 *bufp = buf;
00877 }
00878
00879
00880 #define AV_DELAY_MAX 0.100
00881
00882 static void do_subtitle_out(AVFormatContext *s,
00883 AVOutputStream *ost,
00884 AVInputStream *ist,
00885 AVSubtitle *sub,
00886 int64_t pts)
00887 {
00888 static uint8_t *subtitle_out = NULL;
00889 int subtitle_out_max_size = 1024 * 1024;
00890 int subtitle_out_size, nb, i;
00891 AVCodecContext *enc;
00892 AVPacket pkt;
00893
00894 if (pts == AV_NOPTS_VALUE) {
00895 fprintf(stderr, "Subtitle packets must have a pts\n");
00896 if (exit_on_error)
00897 av_exit(1);
00898 return;
00899 }
00900
00901 enc = ost->st->codec;
00902
00903 if (!subtitle_out) {
00904 subtitle_out = av_malloc(subtitle_out_max_size);
00905 }
00906
00907
00908
00909
00910 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
00911 nb = 2;
00912 else
00913 nb = 1;
00914
00915 for(i = 0; i < nb; i++) {
00916 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
00917
00918 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
00919 sub->end_display_time -= sub->start_display_time;
00920 sub->start_display_time = 0;
00921 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
00922 subtitle_out_max_size, sub);
00923 if (subtitle_out_size < 0) {
00924 fprintf(stderr, "Subtitle encoding failed\n");
00925 av_exit(1);
00926 }
00927
00928 av_init_packet(&pkt);
00929 pkt.stream_index = ost->index;
00930 pkt.data = subtitle_out;
00931 pkt.size = subtitle_out_size;
00932 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
00933 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
00934
00935
00936 if (i == 0)
00937 pkt.pts += 90 * sub->start_display_time;
00938 else
00939 pkt.pts += 90 * sub->end_display_time;
00940 }
00941 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
00942 }
00943 }
00944
00945 static int bit_buffer_size= 1024*256;
00946 static uint8_t *bit_buffer= NULL;
00947
00948 static void do_video_out(AVFormatContext *s,
00949 AVOutputStream *ost,
00950 AVInputStream *ist,
00951 AVFrame *in_picture,
00952 int *frame_size)
00953 {
00954 int nb_frames, i, ret;
00955 int64_t topBand, bottomBand, leftBand, rightBand;
00956 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
00957 AVFrame picture_crop_temp, picture_pad_temp;
00958 AVCodecContext *enc, *dec;
00959 double sync_ipts;
00960
00961 avcodec_get_frame_defaults(&picture_crop_temp);
00962 avcodec_get_frame_defaults(&picture_pad_temp);
00963
00964 enc = ost->st->codec;
00965 dec = ist->st->codec;
00966
00967 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
00968
00969
00970 nb_frames = 1;
00971
00972 *frame_size = 0;
00973
00974 if(video_sync_method){
00975 double vdelta = sync_ipts - ost->sync_opts;
00976
00977 if (vdelta < -1.1)
00978 nb_frames = 0;
00979 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
00980 if(vdelta<=-0.6){
00981 nb_frames=0;
00982 }else if(vdelta>0.6)
00983 ost->sync_opts= lrintf(sync_ipts);
00984 }else if (vdelta > 1.1)
00985 nb_frames = lrintf(vdelta);
00986
00987 if (nb_frames == 0){
00988 ++nb_frames_drop;
00989 if (verbose>2)
00990 fprintf(stderr, "*** drop!\n");
00991 }else if (nb_frames > 1) {
00992 nb_frames_dup += nb_frames - 1;
00993 if (verbose>2)
00994 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
00995 }
00996 }else
00997 ost->sync_opts= lrintf(sync_ipts);
00998
00999 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
01000 if (nb_frames <= 0)
01001 return;
01002
01003 if (ost->video_crop) {
01004 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
01005 fprintf(stderr, "error cropping picture\n");
01006 if (exit_on_error)
01007 av_exit(1);
01008 return;
01009 }
01010 formatted_picture = &picture_crop_temp;
01011 } else {
01012 formatted_picture = in_picture;
01013 }
01014
01015 final_picture = formatted_picture;
01016 padding_src = formatted_picture;
01017 resampling_dst = &ost->pict_tmp;
01018 if (ost->video_pad) {
01019 final_picture = &ost->pict_tmp;
01020 if (ost->video_resample) {
01021 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
01022 fprintf(stderr, "error padding picture\n");
01023 if (exit_on_error)
01024 av_exit(1);
01025 return;
01026 }
01027 resampling_dst = &picture_pad_temp;
01028 }
01029 }
01030
01031 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
01032 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
01033 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
01034
01035 fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
01036 if(!ost->video_resample)
01037 av_exit(1);
01038 }
01039
01040 if (ost->video_resample) {
01041 padding_src = NULL;
01042 final_picture = &ost->pict_tmp;
01043 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
01044 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
01045 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
01046
01047
01048 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
01049 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
01050 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
01051 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
01052
01053
01054 assert(topBand <= INT_MAX && topBand >= 0);
01055 assert(bottomBand <= INT_MAX && bottomBand >= 0);
01056 assert(leftBand <= INT_MAX && leftBand >= 0);
01057 assert(rightBand <= INT_MAX && rightBand >= 0);
01058
01059 ost->topBand = topBand;
01060 ost->bottomBand = bottomBand;
01061 ost->leftBand = leftBand;
01062 ost->rightBand = rightBand;
01063
01064 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
01065 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
01066 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
01067
01068
01069 sws_freeContext(ost->img_resample_ctx);
01070 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
01071 ost->img_resample_ctx = sws_getContext(
01072 ist->st->codec->width - (ost->leftBand + ost->rightBand),
01073 ist->st->codec->height - (ost->topBand + ost->bottomBand),
01074 ist->st->codec->pix_fmt,
01075 ost->st->codec->width - (ost->padleft + ost->padright),
01076 ost->st->codec->height - (ost->padtop + ost->padbottom),
01077 ost->st->codec->pix_fmt,
01078 sws_flags, NULL, NULL, NULL);
01079 if (ost->img_resample_ctx == NULL) {
01080 fprintf(stderr, "Cannot get resampling context\n");
01081 av_exit(1);
01082 }
01083 }
01084 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
01085 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
01086 }
01087
01088 if (ost->video_pad) {
01089 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
01090 enc->height, enc->width, enc->pix_fmt,
01091 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
01092 }
01093
01094
01095 for(i=0;i<nb_frames;i++) {
01096 AVPacket pkt;
01097 av_init_packet(&pkt);
01098 pkt.stream_index= ost->index;
01099
01100 if (s->oformat->flags & AVFMT_RAWPICTURE) {
01101
01102
01103
01104 AVFrame* old_frame = enc->coded_frame;
01105 enc->coded_frame = dec->coded_frame;
01106 pkt.data= (uint8_t *)final_picture;
01107 pkt.size= sizeof(AVPicture);
01108 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
01109 pkt.flags |= AV_PKT_FLAG_KEY;
01110
01111 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
01112 enc->coded_frame = old_frame;
01113 } else {
01114 AVFrame big_picture;
01115
01116 big_picture= *final_picture;
01117
01118
01119 big_picture.interlaced_frame = in_picture->interlaced_frame;
01120 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
01121 if(top_field_first == -1)
01122 big_picture.top_field_first = in_picture->top_field_first;
01123 else
01124 big_picture.top_field_first = top_field_first;
01125 }
01126
01127
01128
01129 if (same_quality) {
01130 big_picture.quality = ist->st->quality;
01131 }else
01132 big_picture.quality = ost->st->quality;
01133 if(!me_threshold)
01134 big_picture.pict_type = 0;
01135
01136 big_picture.pts= ost->sync_opts;
01137
01138
01139 ret = avcodec_encode_video(enc,
01140 bit_buffer, bit_buffer_size,
01141 &big_picture);
01142 if (ret < 0) {
01143 fprintf(stderr, "Video encoding failed\n");
01144 av_exit(1);
01145 }
01146
01147 if(ret>0){
01148 pkt.data= bit_buffer;
01149 pkt.size= ret;
01150 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
01151 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
01152
01153
01154
01155
01156 if(enc->coded_frame->key_frame)
01157 pkt.flags |= AV_PKT_FLAG_KEY;
01158 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
01159 *frame_size = ret;
01160 video_size += ret;
01161
01162
01163
01164 if (ost->logfile && enc->stats_out) {
01165 fprintf(ost->logfile, "%s", enc->stats_out);
01166 }
01167 }
01168 }
01169 ost->sync_opts++;
01170 ost->frame_number++;
01171 }
01172 }
01173
01174 static double psnr(double d){
01175 return -10.0*log(d)/log(10.0);
01176 }
01177
01178 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
01179 int frame_size)
01180 {
01181 AVCodecContext *enc;
01182 int frame_number;
01183 double ti1, bitrate, avg_bitrate;
01184
01185
01186 if (!vstats_file) {
01187 vstats_file = fopen(vstats_filename, "w");
01188 if (!vstats_file) {
01189 perror("fopen");
01190 av_exit(1);
01191 }
01192 }
01193
01194 enc = ost->st->codec;
01195 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
01196 frame_number = ost->frame_number;
01197 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
01198 if (enc->flags&CODEC_FLAG_PSNR)
01199 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
01200
01201 fprintf(vstats_file,"f_size= %6d ", frame_size);
01202
01203 ti1 = ost->sync_opts * av_q2d(enc->time_base);
01204 if (ti1 < 0.01)
01205 ti1 = 0.01;
01206
01207 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
01208 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
01209 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
01210 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
01211 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
01212 }
01213 }
01214
01215 static void print_report(AVFormatContext **output_files,
01216 AVOutputStream **ost_table, int nb_ostreams,
01217 int is_last_report)
01218 {
01219 char buf[1024];
01220 AVOutputStream *ost;
01221 AVFormatContext *oc;
01222 int64_t total_size;
01223 AVCodecContext *enc;
01224 int frame_number, vid, i;
01225 double bitrate, ti1, pts;
01226 static int64_t last_time = -1;
01227 static int qp_histogram[52];
01228
01229 if (!is_last_report) {
01230 int64_t cur_time;
01231
01232 cur_time = av_gettime();
01233 if (last_time == -1) {
01234 last_time = cur_time;
01235 return;
01236 }
01237 if ((cur_time - last_time) < 500000)
01238 return;
01239 last_time = cur_time;
01240 }
01241
01242
01243 oc = output_files[0];
01244
01245 total_size = url_fsize(oc->pb);
01246 if(total_size<0)
01247 total_size= url_ftell(oc->pb);
01248
01249 buf[0] = '\0';
01250 ti1 = 1e10;
01251 vid = 0;
01252 for(i=0;i<nb_ostreams;i++) {
01253 ost = ost_table[i];
01254 enc = ost->st->codec;
01255 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
01256 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
01257 !ost->st->stream_copy ?
01258 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
01259 }
01260 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
01261 float t = (av_gettime()-timer_start) / 1000000.0;
01262
01263 frame_number = ost->frame_number;
01264 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
01265 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
01266 !ost->st->stream_copy ?
01267 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
01268 if(is_last_report)
01269 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
01270 if(qp_hist){
01271 int j;
01272 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
01273 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
01274 qp_histogram[qp]++;
01275 for(j=0; j<32; j++)
01276 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
01277 }
01278 if (enc->flags&CODEC_FLAG_PSNR){
01279 int j;
01280 double error, error_sum=0;
01281 double scale, scale_sum=0;
01282 char type[3]= {'Y','U','V'};
01283 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
01284 for(j=0; j<3; j++){
01285 if(is_last_report){
01286 error= enc->error[j];
01287 scale= enc->width*enc->height*255.0*255.0*frame_number;
01288 }else{
01289 error= enc->coded_frame->error[j];
01290 scale= enc->width*enc->height*255.0*255.0;
01291 }
01292 if(j) scale/=4;
01293 error_sum += error;
01294 scale_sum += scale;
01295 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
01296 }
01297 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
01298 }
01299 vid = 1;
01300 }
01301
01302 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
01303 if ((pts < ti1) && (pts > 0))
01304 ti1 = pts;
01305 }
01306 if (ti1 < 0.01)
01307 ti1 = 0.01;
01308
01309 if (verbose || is_last_report) {
01310 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
01311
01312 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
01313 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
01314 (double)total_size / 1024, ti1, bitrate);
01315
01316 if (nb_frames_dup || nb_frames_drop)
01317 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
01318 nb_frames_dup, nb_frames_drop);
01319
01320 if (verbose >= 0)
01321 fprintf(stderr, "%s \r", buf);
01322
01323 fflush(stderr);
01324 }
01325
01326 if (is_last_report && verbose >= 0){
01327 int64_t raw= audio_size + video_size + extra_size;
01328 fprintf(stderr, "\n");
01329 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
01330 video_size/1024.0,
01331 audio_size/1024.0,
01332 extra_size/1024.0,
01333 100.0*(total_size - raw)/raw
01334 );
01335 }
01336 }
01337
01338
01339 static int output_packet(AVInputStream *ist, int ist_index,
01340 AVOutputStream **ost_table, int nb_ostreams,
01341 const AVPacket *pkt)
01342 {
01343 AVFormatContext *os;
01344 AVOutputStream *ost;
01345 int ret, i;
01346 int got_picture;
01347 AVFrame picture;
01348 void *buffer_to_free;
01349 static unsigned int samples_size= 0;
01350 AVSubtitle subtitle, *subtitle_to_free;
01351 int got_subtitle;
01352 AVPacket avpkt;
01353 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
01354
01355 if(ist->next_pts == AV_NOPTS_VALUE)
01356 ist->next_pts= ist->pts;
01357
01358 if (pkt == NULL) {
01359
01360 av_init_packet(&avpkt);
01361 avpkt.data = NULL;
01362 avpkt.size = 0;
01363 goto handle_eof;
01364 } else {
01365 avpkt = *pkt;
01366 }
01367
01368 if(pkt->dts != AV_NOPTS_VALUE)
01369 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
01370
01371
01372 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
01373 uint8_t *data_buf, *decoded_data_buf;
01374 int data_size, decoded_data_size;
01375 handle_eof:
01376 ist->pts= ist->next_pts;
01377
01378 if(avpkt.size && avpkt.size != pkt->size &&
01379 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
01380 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
01381 ist->showed_multi_packet_warning=1;
01382 }
01383
01384
01385 decoded_data_buf = NULL;
01386 decoded_data_size= 0;
01387 data_buf = avpkt.data;
01388 data_size = avpkt.size;
01389 subtitle_to_free = NULL;
01390 if (ist->decoding_needed) {
01391 switch(ist->st->codec->codec_type) {
01392 case AVMEDIA_TYPE_AUDIO:{
01393 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
01394 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
01395 av_free(samples);
01396 samples= av_malloc(samples_size);
01397 }
01398 decoded_data_size= samples_size;
01399
01400
01401 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
01402 &avpkt);
01403 if (ret < 0)
01404 goto fail_decode;
01405 avpkt.data += ret;
01406 avpkt.size -= ret;
01407 data_size = ret;
01408
01409
01410 if (decoded_data_size <= 0) {
01411
01412 continue;
01413 }
01414 decoded_data_buf = (uint8_t *)samples;
01415 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
01416 (ist->st->codec->sample_rate * ist->st->codec->channels);
01417 break;}
01418 case AVMEDIA_TYPE_VIDEO:
01419 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
01420
01421 avcodec_get_frame_defaults(&picture);
01422
01423 ret = avcodec_decode_video2(ist->st->codec,
01424 &picture, &got_picture, &avpkt);
01425 ist->st->quality= picture.quality;
01426 if (ret < 0)
01427 goto fail_decode;
01428 if (!got_picture) {
01429
01430 goto discard_packet;
01431 }
01432 if (ist->st->codec->time_base.num != 0) {
01433 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
01434 ist->next_pts += ((int64_t)AV_TIME_BASE *
01435 ist->st->codec->time_base.num * ticks) /
01436 ist->st->codec->time_base.den;
01437 }
01438 avpkt.size = 0;
01439 break;
01440 case AVMEDIA_TYPE_SUBTITLE:
01441 ret = avcodec_decode_subtitle2(ist->st->codec,
01442 &subtitle, &got_subtitle, &avpkt);
01443 if (ret < 0)
01444 goto fail_decode;
01445 if (!got_subtitle) {
01446 goto discard_packet;
01447 }
01448 subtitle_to_free = &subtitle;
01449 avpkt.size = 0;
01450 break;
01451 default:
01452 goto fail_decode;
01453 }
01454 } else {
01455 switch(ist->st->codec->codec_type) {
01456 case AVMEDIA_TYPE_AUDIO:
01457 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
01458 ist->st->codec->sample_rate;
01459 break;
01460 case AVMEDIA_TYPE_VIDEO:
01461 if (ist->st->codec->time_base.num != 0) {
01462 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
01463 ist->next_pts += ((int64_t)AV_TIME_BASE *
01464 ist->st->codec->time_base.num * ticks) /
01465 ist->st->codec->time_base.den;
01466 }
01467 break;
01468 }
01469 ret = avpkt.size;
01470 avpkt.size = 0;
01471 }
01472
01473 buffer_to_free = NULL;
01474 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
01475 pre_process_video_frame(ist, (AVPicture *)&picture,
01476 &buffer_to_free);
01477 }
01478
01479
01480 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
01481 if (audio_volume != 256) {
01482 short *volp;
01483 volp = samples;
01484 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
01485 int v = ((*volp) * audio_volume + 128) >> 8;
01486 if (v < -32768) v = -32768;
01487 if (v > 32767) v = 32767;
01488 *volp++ = v;
01489 }
01490 }
01491 }
01492
01493
01494 if (rate_emu) {
01495 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
01496 int64_t now = av_gettime() - ist->start;
01497 if (pts > now)
01498 usleep(pts - now);
01499 }
01500
01501
01502
01503 if (start_time == 0 || ist->pts >= start_time)
01504 for(i=0;i<nb_ostreams;i++) {
01505 int frame_size;
01506
01507 ost = ost_table[i];
01508 if (ost->source_index == ist_index) {
01509 os = output_files[ost->file_index];
01510
01511
01512
01513
01514 if (ost->encoding_needed) {
01515 assert(ist->decoding_needed);
01516 switch(ost->st->codec->codec_type) {
01517 case AVMEDIA_TYPE_AUDIO:
01518 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
01519 break;
01520 case AVMEDIA_TYPE_VIDEO:
01521 do_video_out(os, ost, ist, &picture, &frame_size);
01522 if (vstats_filename && frame_size)
01523 do_video_stats(os, ost, frame_size);
01524 break;
01525 case AVMEDIA_TYPE_SUBTITLE:
01526 do_subtitle_out(os, ost, ist, &subtitle,
01527 pkt->pts);
01528 break;
01529 default:
01530 abort();
01531 }
01532 } else {
01533 AVFrame avframe;
01534 AVPacket opkt;
01535 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
01536
01537 av_init_packet(&opkt);
01538
01539 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
01540 continue;
01541
01542
01543
01544
01545 avcodec_get_frame_defaults(&avframe);
01546 ost->st->codec->coded_frame= &avframe;
01547 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
01548
01549 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
01550 audio_size += data_size;
01551 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
01552 video_size += data_size;
01553 ost->sync_opts++;
01554 }
01555
01556 opkt.stream_index= ost->index;
01557 if(pkt->pts != AV_NOPTS_VALUE)
01558 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
01559 else
01560 opkt.pts= AV_NOPTS_VALUE;
01561
01562 if (pkt->dts == AV_NOPTS_VALUE)
01563 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
01564 else
01565 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
01566 opkt.dts -= ost_tb_start_time;
01567
01568 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
01569 opkt.flags= pkt->flags;
01570
01571
01572 if( ost->st->codec->codec_id != CODEC_ID_H264
01573 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
01574 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
01575 ) {
01576 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
01577 opkt.destruct= av_destruct_packet;
01578 } else {
01579 opkt.data = data_buf;
01580 opkt.size = data_size;
01581 }
01582
01583 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
01584 ost->st->codec->frame_number++;
01585 ost->frame_number++;
01586 av_free_packet(&opkt);
01587 }
01588 }
01589 }
01590 av_free(buffer_to_free);
01591
01592 if (subtitle_to_free) {
01593 if (subtitle_to_free->rects != NULL) {
01594 for (i = 0; i < subtitle_to_free->num_rects; i++) {
01595 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
01596 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
01597 av_freep(&subtitle_to_free->rects[i]);
01598 }
01599 av_freep(&subtitle_to_free->rects);
01600 }
01601 subtitle_to_free->num_rects = 0;
01602 subtitle_to_free = NULL;
01603 }
01604 }
01605 discard_packet:
01606 if (pkt == NULL) {
01607
01608
01609 for(i=0;i<nb_ostreams;i++) {
01610 ost = ost_table[i];
01611 if (ost->source_index == ist_index) {
01612 AVCodecContext *enc= ost->st->codec;
01613 os = output_files[ost->file_index];
01614
01615 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
01616 continue;
01617 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
01618 continue;
01619
01620 if (ost->encoding_needed) {
01621 for(;;) {
01622 AVPacket pkt;
01623 int fifo_bytes;
01624 av_init_packet(&pkt);
01625 pkt.stream_index= ost->index;
01626
01627 switch(ost->st->codec->codec_type) {
01628 case AVMEDIA_TYPE_AUDIO:
01629 fifo_bytes = av_fifo_size(ost->fifo);
01630 ret = 0;
01631
01632 if (fifo_bytes > 0) {
01633 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
01634 int fs_tmp = enc->frame_size;
01635
01636 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
01637 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
01638 enc->frame_size = fifo_bytes / (osize * enc->channels);
01639 } else {
01640 int frame_bytes = enc->frame_size*osize*enc->channels;
01641 if (samples_size < frame_bytes)
01642 av_exit(1);
01643 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
01644 }
01645
01646 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
01647 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
01648 ost->st->time_base.num, enc->sample_rate);
01649 enc->frame_size = fs_tmp;
01650 }
01651 if(ret <= 0) {
01652 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
01653 }
01654 if (ret < 0) {
01655 fprintf(stderr, "Audio encoding failed\n");
01656 av_exit(1);
01657 }
01658 audio_size += ret;
01659 pkt.flags |= AV_PKT_FLAG_KEY;
01660 break;
01661 case AVMEDIA_TYPE_VIDEO:
01662 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
01663 if (ret < 0) {
01664 fprintf(stderr, "Video encoding failed\n");
01665 av_exit(1);
01666 }
01667 video_size += ret;
01668 if(enc->coded_frame && enc->coded_frame->key_frame)
01669 pkt.flags |= AV_PKT_FLAG_KEY;
01670 if (ost->logfile && enc->stats_out) {
01671 fprintf(ost->logfile, "%s", enc->stats_out);
01672 }
01673 break;
01674 default:
01675 ret=-1;
01676 }
01677
01678 if(ret<=0)
01679 break;
01680 pkt.data= bit_buffer;
01681 pkt.size= ret;
01682 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
01683 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
01684 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
01685 }
01686 }
01687 }
01688 }
01689 }
01690
01691 return 0;
01692 fail_decode:
01693 return -1;
01694 }
01695
01696 static void print_sdp(AVFormatContext **avc, int n)
01697 {
01698 char sdp[2048];
01699
01700 avf_sdp_create(avc, n, sdp, sizeof(sdp));
01701 printf("SDP:\n%s\n", sdp);
01702 fflush(stdout);
01703 }
01704
01705 static int copy_chapters(int infile, int outfile)
01706 {
01707 AVFormatContext *is = input_files[infile];
01708 AVFormatContext *os = output_files[outfile];
01709 int i;
01710
01711 for (i = 0; i < is->nb_chapters; i++) {
01712 AVChapter *in_ch = is->chapters[i], *out_ch;
01713 AVMetadataTag *t = NULL;
01714 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
01715 AV_TIME_BASE_Q, in_ch->time_base);
01716 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
01717 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
01718
01719
01720 if (in_ch->end < ts_off)
01721 continue;
01722 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
01723 break;
01724
01725 out_ch = av_mallocz(sizeof(AVChapter));
01726 if (!out_ch)
01727 return AVERROR(ENOMEM);
01728
01729 out_ch->id = in_ch->id;
01730 out_ch->time_base = in_ch->time_base;
01731 out_ch->start = FFMAX(0, in_ch->start - ts_off);
01732 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
01733
01734 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
01735 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
01736
01737 os->nb_chapters++;
01738 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
01739 if (!os->chapters)
01740 return AVERROR(ENOMEM);
01741 os->chapters[os->nb_chapters - 1] = out_ch;
01742 }
01743 return 0;
01744 }
01745
01746
01747
01748
01749 static int av_transcode(AVFormatContext **output_files,
01750 int nb_output_files,
01751 AVFormatContext **input_files,
01752 int nb_input_files,
01753 AVStreamMap *stream_maps, int nb_stream_maps)
01754 {
01755 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
01756 AVFormatContext *is, *os;
01757 AVCodecContext *codec, *icodec;
01758 AVOutputStream *ost, **ost_table = NULL;
01759 AVInputStream *ist, **ist_table = NULL;
01760 AVInputFile *file_table;
01761 char error[1024];
01762 int key;
01763 int want_sdp = 1;
01764 uint8_t no_packet[MAX_FILES]={0};
01765 int no_packet_count=0;
01766
01767 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
01768 if (!file_table)
01769 goto fail;
01770
01771
01772 j = 0;
01773 for(i=0;i<nb_input_files;i++) {
01774 is = input_files[i];
01775 file_table[i].ist_index = j;
01776 file_table[i].nb_streams = is->nb_streams;
01777 j += is->nb_streams;
01778 }
01779 nb_istreams = j;
01780
01781 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
01782 if (!ist_table)
01783 goto fail;
01784
01785 for(i=0;i<nb_istreams;i++) {
01786 ist = av_mallocz(sizeof(AVInputStream));
01787 if (!ist)
01788 goto fail;
01789 ist_table[i] = ist;
01790 }
01791 j = 0;
01792 for(i=0;i<nb_input_files;i++) {
01793 is = input_files[i];
01794 for(k=0;k<is->nb_streams;k++) {
01795 ist = ist_table[j++];
01796 ist->st = is->streams[k];
01797 ist->file_index = i;
01798 ist->index = k;
01799 ist->discard = 1;
01800
01801
01802 if (rate_emu) {
01803 ist->start = av_gettime();
01804 }
01805 }
01806 }
01807
01808
01809 nb_ostreams = 0;
01810 for(i=0;i<nb_output_files;i++) {
01811 os = output_files[i];
01812 if (!os->nb_streams) {
01813 dump_format(output_files[i], i, output_files[i]->filename, 1);
01814 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
01815 av_exit(1);
01816 }
01817 nb_ostreams += os->nb_streams;
01818 }
01819 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
01820 fprintf(stderr, "Number of stream maps must match number of output streams\n");
01821 av_exit(1);
01822 }
01823
01824
01825 for(i=0;i<nb_stream_maps;i++) {
01826 int fi = stream_maps[i].file_index;
01827 int si = stream_maps[i].stream_index;
01828
01829 if (fi < 0 || fi > nb_input_files - 1 ||
01830 si < 0 || si > file_table[fi].nb_streams - 1) {
01831 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
01832 av_exit(1);
01833 }
01834 fi = stream_maps[i].sync_file_index;
01835 si = stream_maps[i].sync_stream_index;
01836 if (fi < 0 || fi > nb_input_files - 1 ||
01837 si < 0 || si > file_table[fi].nb_streams - 1) {
01838 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
01839 av_exit(1);
01840 }
01841 }
01842
01843 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
01844 if (!ost_table)
01845 goto fail;
01846 for(i=0;i<nb_ostreams;i++) {
01847 ost = av_mallocz(sizeof(AVOutputStream));
01848 if (!ost)
01849 goto fail;
01850 ost_table[i] = ost;
01851 }
01852
01853 n = 0;
01854 for(k=0;k<nb_output_files;k++) {
01855 os = output_files[k];
01856 for(i=0;i<os->nb_streams;i++,n++) {
01857 int found;
01858 ost = ost_table[n];
01859 ost->file_index = k;
01860 ost->index = i;
01861 ost->st = os->streams[i];
01862 if (nb_stream_maps > 0) {
01863 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
01864 stream_maps[n].stream_index;
01865
01866
01867 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
01868 int i= ost->file_index;
01869 dump_format(output_files[i], i, output_files[i]->filename, 1);
01870 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
01871 stream_maps[n].file_index, stream_maps[n].stream_index,
01872 ost->file_index, ost->index);
01873 av_exit(1);
01874 }
01875
01876 } else {
01877 int best_nb_frames=-1;
01878
01879 found = 0;
01880 for(j=0;j<nb_istreams;j++) {
01881 int skip=0;
01882 ist = ist_table[j];
01883 if(opt_programid){
01884 int pi,si;
01885 AVFormatContext *f= input_files[ ist->file_index ];
01886 skip=1;
01887 for(pi=0; pi<f->nb_programs; pi++){
01888 AVProgram *p= f->programs[pi];
01889 if(p->id == opt_programid)
01890 for(si=0; si<p->nb_stream_indexes; si++){
01891 if(f->streams[ p->stream_index[si] ] == ist->st)
01892 skip=0;
01893 }
01894 }
01895 }
01896 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
01897 ist->st->codec->codec_type == ost->st->codec->codec_type) {
01898 if(best_nb_frames < ist->st->codec_info_nb_frames){
01899 best_nb_frames= ist->st->codec_info_nb_frames;
01900 ost->source_index = j;
01901 found = 1;
01902 }
01903 }
01904 }
01905
01906 if (!found) {
01907 if(! opt_programid) {
01908
01909 for(j=0;j<nb_istreams;j++) {
01910 ist = ist_table[j];
01911 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
01912 && ist->st->discard != AVDISCARD_ALL) {
01913 ost->source_index = j;
01914 found = 1;
01915 }
01916 }
01917 }
01918 if (!found) {
01919 int i= ost->file_index;
01920 dump_format(output_files[i], i, output_files[i]->filename, 1);
01921 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
01922 ost->file_index, ost->index);
01923 av_exit(1);
01924 }
01925 }
01926 }
01927 ist = ist_table[ost->source_index];
01928 ist->discard = 0;
01929 ost->sync_ist = (nb_stream_maps > 0) ?
01930 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
01931 stream_maps[n].sync_stream_index] : ist;
01932 }
01933 }
01934
01935
01936 for(i=0;i<nb_ostreams;i++) {
01937 AVMetadataTag *t = NULL;
01938 ost = ost_table[i];
01939 os = output_files[ost->file_index];
01940 ist = ist_table[ost->source_index];
01941
01942 codec = ost->st->codec;
01943 icodec = ist->st->codec;
01944
01945 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
01946 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
01947 }
01948
01949 ost->st->disposition = ist->st->disposition;
01950 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
01951 codec->chroma_sample_location = icodec->chroma_sample_location;
01952
01953 if (ost->st->stream_copy) {
01954
01955 codec->codec_id = icodec->codec_id;
01956 codec->codec_type = icodec->codec_type;
01957
01958 if(!codec->codec_tag){
01959 if( !os->oformat->codec_tag
01960 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
01961 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
01962 codec->codec_tag = icodec->codec_tag;
01963 }
01964
01965 codec->bit_rate = icodec->bit_rate;
01966 codec->extradata= icodec->extradata;
01967 codec->extradata_size= icodec->extradata_size;
01968 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
01969 codec->time_base = icodec->time_base;
01970 codec->time_base.num *= icodec->ticks_per_frame;
01971 }else
01972 codec->time_base = ist->st->time_base;
01973 switch(codec->codec_type) {
01974 case AVMEDIA_TYPE_AUDIO:
01975 if(audio_volume != 256) {
01976 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
01977 av_exit(1);
01978 }
01979 codec->channel_layout = icodec->channel_layout;
01980 codec->sample_rate = icodec->sample_rate;
01981 codec->channels = icodec->channels;
01982 codec->frame_size = icodec->frame_size;
01983 codec->block_align= icodec->block_align;
01984 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
01985 codec->block_align= 0;
01986 if(codec->codec_id == CODEC_ID_AC3)
01987 codec->block_align= 0;
01988 break;
01989 case AVMEDIA_TYPE_VIDEO:
01990 codec->pix_fmt = icodec->pix_fmt;
01991 codec->width = icodec->width;
01992 codec->height = icodec->height;
01993 codec->has_b_frames = icodec->has_b_frames;
01994 break;
01995 case AVMEDIA_TYPE_SUBTITLE:
01996 codec->width = icodec->width;
01997 codec->height = icodec->height;
01998 break;
01999 default:
02000 abort();
02001 }
02002 } else {
02003 switch(codec->codec_type) {
02004 case AVMEDIA_TYPE_AUDIO:
02005 ost->fifo= av_fifo_alloc(1024);
02006 if(!ost->fifo)
02007 goto fail;
02008 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
02009 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
02010 icodec->request_channels = codec->channels;
02011 ist->decoding_needed = 1;
02012 ost->encoding_needed = 1;
02013 break;
02014 case AVMEDIA_TYPE_VIDEO:
02015 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
02016 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
02017 av_exit(1);
02018 }
02019 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
02020 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
02021 ost->video_resample = ((codec->width != icodec->width -
02022 (frame_leftBand + frame_rightBand) +
02023 (frame_padleft + frame_padright)) ||
02024 (codec->height != icodec->height -
02025 (frame_topBand + frame_bottomBand) +
02026 (frame_padtop + frame_padbottom)) ||
02027 (codec->pix_fmt != icodec->pix_fmt));
02028 if (ost->video_crop) {
02029 ost->topBand = ost->original_topBand = frame_topBand;
02030 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
02031 ost->leftBand = ost->original_leftBand = frame_leftBand;
02032 ost->rightBand = ost->original_rightBand = frame_rightBand;
02033 }
02034 if (ost->video_pad) {
02035 ost->padtop = frame_padtop;
02036 ost->padleft = frame_padleft;
02037 ost->padbottom = frame_padbottom;
02038 ost->padright = frame_padright;
02039 if (!ost->video_resample) {
02040 avcodec_get_frame_defaults(&ost->pict_tmp);
02041 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
02042 codec->width, codec->height))
02043 goto fail;
02044 }
02045 }
02046 if (ost->video_resample) {
02047 avcodec_get_frame_defaults(&ost->pict_tmp);
02048 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
02049 codec->width, codec->height)) {
02050 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
02051 av_exit(1);
02052 }
02053 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
02054 ost->img_resample_ctx = sws_getContext(
02055 icodec->width - (frame_leftBand + frame_rightBand),
02056 icodec->height - (frame_topBand + frame_bottomBand),
02057 icodec->pix_fmt,
02058 codec->width - (frame_padleft + frame_padright),
02059 codec->height - (frame_padtop + frame_padbottom),
02060 codec->pix_fmt,
02061 sws_flags, NULL, NULL, NULL);
02062 if (ost->img_resample_ctx == NULL) {
02063 fprintf(stderr, "Cannot get resampling context\n");
02064 av_exit(1);
02065 }
02066
02067 ost->original_height = icodec->height;
02068 ost->original_width = icodec->width;
02069
02070 codec->bits_per_raw_sample= 0;
02071 }
02072 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
02073 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
02074 ost->resample_pix_fmt= icodec->pix_fmt;
02075 ost->encoding_needed = 1;
02076 ist->decoding_needed = 1;
02077 break;
02078 case AVMEDIA_TYPE_SUBTITLE:
02079 ost->encoding_needed = 1;
02080 ist->decoding_needed = 1;
02081 break;
02082 default:
02083 abort();
02084 break;
02085 }
02086
02087 if (ost->encoding_needed &&
02088 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
02089 char logfilename[1024];
02090 FILE *f;
02091
02092 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
02093 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
02094 i);
02095 if (codec->flags & CODEC_FLAG_PASS1) {
02096 f = fopen(logfilename, "wb");
02097 if (!f) {
02098 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
02099 av_exit(1);
02100 }
02101 ost->logfile = f;
02102 } else {
02103 char *logbuffer;
02104 size_t logbuffer_size;
02105 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
02106 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
02107 av_exit(1);
02108 }
02109 codec->stats_in = logbuffer;
02110 }
02111 }
02112 }
02113 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
02114 int size= codec->width * codec->height;
02115 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
02116 }
02117 }
02118
02119 if (!bit_buffer)
02120 bit_buffer = av_malloc(bit_buffer_size);
02121 if (!bit_buffer) {
02122 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
02123 bit_buffer_size);
02124 ret = AVERROR(ENOMEM);
02125 goto fail;
02126 }
02127
02128
02129 for(i=0;i<nb_ostreams;i++) {
02130 ost = ost_table[i];
02131 if (ost->encoding_needed) {
02132 AVCodec *codec = output_codecs[i];
02133 if (!codec)
02134 codec = avcodec_find_encoder(ost->st->codec->codec_id);
02135 if (!codec) {
02136 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
02137 ost->st->codec->codec_id, ost->file_index, ost->index);
02138 ret = AVERROR(EINVAL);
02139 goto dump_format;
02140 }
02141 if (avcodec_open(ost->st->codec, codec) < 0) {
02142 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
02143 ost->file_index, ost->index);
02144 ret = AVERROR(EINVAL);
02145 goto dump_format;
02146 }
02147 extra_size += ost->st->codec->extradata_size;
02148 }
02149 }
02150
02151
02152 for(i=0;i<nb_istreams;i++) {
02153 ist = ist_table[i];
02154 if (ist->decoding_needed) {
02155 AVCodec *codec = input_codecs[i];
02156 if (!codec)
02157 codec = avcodec_find_decoder(ist->st->codec->codec_id);
02158 if (!codec) {
02159 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
02160 ist->st->codec->codec_id, ist->file_index, ist->index);
02161 ret = AVERROR(EINVAL);
02162 goto dump_format;
02163 }
02164 if (avcodec_open(ist->st->codec, codec) < 0) {
02165 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
02166 ist->file_index, ist->index);
02167 ret = AVERROR(EINVAL);
02168 goto dump_format;
02169 }
02170
02171
02172 }
02173 }
02174
02175
02176 for(i=0;i<nb_istreams;i++) {
02177 AVStream *st;
02178 ist = ist_table[i];
02179 st= ist->st;
02180 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
02181 ist->next_pts = AV_NOPTS_VALUE;
02182 ist->is_start = 1;
02183 }
02184
02185
02186 for (i=0;i<nb_meta_data_maps;i++) {
02187 AVFormatContext *out_file;
02188 AVFormatContext *in_file;
02189 AVMetadataTag *mtag;
02190
02191 int out_file_index = meta_data_maps[i].out_file;
02192 int in_file_index = meta_data_maps[i].in_file;
02193 if (out_file_index < 0 || out_file_index >= nb_output_files) {
02194 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
02195 out_file_index, out_file_index, in_file_index);
02196 ret = AVERROR(EINVAL);
02197 goto dump_format;
02198 }
02199 if (in_file_index < 0 || in_file_index >= nb_input_files) {
02200 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
02201 in_file_index, out_file_index, in_file_index);
02202 ret = AVERROR(EINVAL);
02203 goto dump_format;
02204 }
02205
02206 out_file = output_files[out_file_index];
02207 in_file = input_files[in_file_index];
02208
02209
02210 mtag=NULL;
02211 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
02212 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
02213 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
02214 in_file->iformat->metadata_conv);
02215 }
02216
02217
02218 for (i = 0; i < nb_input_files; i++) {
02219 if (!input_files[i]->nb_chapters)
02220 continue;
02221
02222 for (j = 0; j < nb_output_files; j++)
02223 if ((ret = copy_chapters(i, j)) < 0)
02224 goto dump_format;
02225 }
02226
02227
02228 for(i=0;i<nb_output_files;i++) {
02229 os = output_files[i];
02230 if (av_write_header(os) < 0) {
02231 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
02232 ret = AVERROR(EINVAL);
02233 goto dump_format;
02234 }
02235 if (strcmp(output_files[i]->oformat->name, "rtp")) {
02236 want_sdp = 0;
02237 }
02238 }
02239
02240 dump_format:
02241
02242
02243 for(i=0;i<nb_output_files;i++) {
02244 dump_format(output_files[i], i, output_files[i]->filename, 1);
02245 }
02246
02247
02248 if (verbose >= 0) {
02249 fprintf(stderr, "Stream mapping:\n");
02250 for(i=0;i<nb_ostreams;i++) {
02251 ost = ost_table[i];
02252 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
02253 ist_table[ost->source_index]->file_index,
02254 ist_table[ost->source_index]->index,
02255 ost->file_index,
02256 ost->index);
02257 if (ost->sync_ist != ist_table[ost->source_index])
02258 fprintf(stderr, " [sync #%d.%d]",
02259 ost->sync_ist->file_index,
02260 ost->sync_ist->index);
02261 fprintf(stderr, "\n");
02262 }
02263 }
02264
02265 if (ret) {
02266 fprintf(stderr, "%s\n", error);
02267 goto fail;
02268 }
02269
02270 if (want_sdp) {
02271 print_sdp(output_files, nb_output_files);
02272 }
02273
02274 if (!using_stdin && verbose >= 0) {
02275 fprintf(stderr, "Press [q] to stop encoding\n");
02276 url_set_interrupt_cb(decode_interrupt_cb);
02277 }
02278 term_init();
02279
02280 timer_start = av_gettime();
02281
02282 for(; received_sigterm == 0;) {
02283 int file_index, ist_index;
02284 AVPacket pkt;
02285 double ipts_min;
02286 double opts_min;
02287
02288 redo:
02289 ipts_min= 1e100;
02290 opts_min= 1e100;
02291
02292 if (!using_stdin) {
02293 if (q_pressed)
02294 break;
02295
02296 key = read_key();
02297 if (key == 'q')
02298 break;
02299 }
02300
02301
02302
02303 file_index = -1;
02304 for(i=0;i<nb_ostreams;i++) {
02305 double ipts, opts;
02306 ost = ost_table[i];
02307 os = output_files[ost->file_index];
02308 ist = ist_table[ost->source_index];
02309 if(ist->is_past_recording_time || no_packet[ist->file_index])
02310 continue;
02311 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
02312 ipts = (double)ist->pts;
02313 if (!file_table[ist->file_index].eof_reached){
02314 if(ipts < ipts_min) {
02315 ipts_min = ipts;
02316 if(input_sync ) file_index = ist->file_index;
02317 }
02318 if(opts < opts_min) {
02319 opts_min = opts;
02320 if(!input_sync) file_index = ist->file_index;
02321 }
02322 }
02323 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
02324 file_index= -1;
02325 break;
02326 }
02327 }
02328
02329 if (file_index < 0) {
02330 if(no_packet_count){
02331 no_packet_count=0;
02332 memset(no_packet, 0, sizeof(no_packet));
02333 usleep(10000);
02334 continue;
02335 }
02336 break;
02337 }
02338
02339
02340 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
02341 break;
02342
02343
02344 is = input_files[file_index];
02345 ret= av_read_frame(is, &pkt);
02346 if(ret == AVERROR(EAGAIN)){
02347 no_packet[file_index]=1;
02348 no_packet_count++;
02349 continue;
02350 }
02351 if (ret < 0) {
02352 file_table[file_index].eof_reached = 1;
02353 if (opt_shortest)
02354 break;
02355 else
02356 continue;
02357 }
02358
02359 no_packet_count=0;
02360 memset(no_packet, 0, sizeof(no_packet));
02361
02362 if (do_pkt_dump) {
02363 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
02364 }
02365
02366
02367 if (pkt.stream_index >= file_table[file_index].nb_streams)
02368 goto discard_packet;
02369 ist_index = file_table[file_index].ist_index + pkt.stream_index;
02370 ist = ist_table[ist_index];
02371 if (ist->discard)
02372 goto discard_packet;
02373
02374 if (pkt.dts != AV_NOPTS_VALUE)
02375 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
02376 if (pkt.pts != AV_NOPTS_VALUE)
02377 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
02378
02379 if(input_files_ts_scale[file_index][pkt.stream_index]){
02380 if(pkt.pts != AV_NOPTS_VALUE)
02381 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
02382 if(pkt.dts != AV_NOPTS_VALUE)
02383 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
02384 }
02385
02386
02387 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
02388 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
02389 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
02390 int64_t delta= pkt_dts - ist->next_pts;
02391 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
02392 input_files_ts_offset[ist->file_index]-= delta;
02393 if (verbose > 2)
02394 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
02395 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
02396 if(pkt.pts != AV_NOPTS_VALUE)
02397 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
02398 }
02399 }
02400
02401
02402 if (recording_time != INT64_MAX &&
02403 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
02404 ist->is_past_recording_time = 1;
02405 goto discard_packet;
02406 }
02407
02408
02409 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
02410
02411 if (verbose >= 0)
02412 fprintf(stderr, "Error while decoding stream #%d.%d\n",
02413 ist->file_index, ist->index);
02414 if (exit_on_error)
02415 av_exit(1);
02416 av_free_packet(&pkt);
02417 goto redo;
02418 }
02419
02420 discard_packet:
02421 av_free_packet(&pkt);
02422
02423
02424 print_report(output_files, ost_table, nb_ostreams, 0);
02425 }
02426
02427
02428 for(i=0;i<nb_istreams;i++) {
02429 ist = ist_table[i];
02430 if (ist->decoding_needed) {
02431 output_packet(ist, i, ost_table, nb_ostreams, NULL);
02432 }
02433 }
02434
02435 term_exit();
02436
02437
02438 for(i=0;i<nb_output_files;i++) {
02439 os = output_files[i];
02440 av_write_trailer(os);
02441 }
02442
02443
02444 print_report(output_files, ost_table, nb_ostreams, 1);
02445
02446
02447 for(i=0;i<nb_ostreams;i++) {
02448 ost = ost_table[i];
02449 if (ost->encoding_needed) {
02450 av_freep(&ost->st->codec->stats_in);
02451 avcodec_close(ost->st->codec);
02452 }
02453 }
02454
02455
02456 for(i=0;i<nb_istreams;i++) {
02457 ist = ist_table[i];
02458 if (ist->decoding_needed) {
02459 avcodec_close(ist->st->codec);
02460 }
02461 }
02462
02463
02464 ret = 0;
02465
02466 fail:
02467 av_freep(&bit_buffer);
02468 av_free(file_table);
02469
02470 if (ist_table) {
02471 for(i=0;i<nb_istreams;i++) {
02472 ist = ist_table[i];
02473 av_free(ist);
02474 }
02475 av_free(ist_table);
02476 }
02477 if (ost_table) {
02478 for(i=0;i<nb_ostreams;i++) {
02479 ost = ost_table[i];
02480 if (ost) {
02481 if (ost->logfile) {
02482 fclose(ost->logfile);
02483 ost->logfile = NULL;
02484 }
02485 av_fifo_free(ost->fifo);
02486
02487 av_free(ost->pict_tmp.data[0]);
02488 if (ost->video_resample)
02489 sws_freeContext(ost->img_resample_ctx);
02490 if (ost->resample)
02491 audio_resample_close(ost->resample);
02492 if (ost->reformat_ctx)
02493 av_audio_convert_free(ost->reformat_ctx);
02494 av_free(ost);
02495 }
02496 }
02497 av_free(ost_table);
02498 }
02499 return ret;
02500 }
02501
02502 static void opt_format(const char *arg)
02503 {
02504
02505 if (!strcmp(arg, "pgmyuv")) {
02506 pgmyuv_compatibility_hack=1;
02507
02508 arg = "image2";
02509 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
02510 }
02511
02512 last_asked_format = arg;
02513 }
02514
02515 static void opt_video_rc_override_string(const char *arg)
02516 {
02517 video_rc_override_string = arg;
02518 }
02519
02520 static int opt_me_threshold(const char *opt, const char *arg)
02521 {
02522 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
02523 return 0;
02524 }
02525
02526 static int opt_verbose(const char *opt, const char *arg)
02527 {
02528 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
02529 return 0;
02530 }
02531
02532 static int opt_frame_rate(const char *opt, const char *arg)
02533 {
02534 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
02535 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
02536 av_exit(1);
02537 }
02538 return 0;
02539 }
02540
02541 static int opt_bitrate(const char *opt, const char *arg)
02542 {
02543 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
02544
02545 opt_default(opt, arg);
02546
02547 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
02548 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
02549
02550 return 0;
02551 }
02552
02553 static void opt_frame_crop_top(const char *arg)
02554 {
02555 frame_topBand = atoi(arg);
02556 if (frame_topBand < 0) {
02557 fprintf(stderr, "Incorrect top crop size\n");
02558 av_exit(1);
02559 }
02560 if ((frame_topBand) >= frame_height){
02561 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
02562 av_exit(1);
02563 }
02564 frame_height -= frame_topBand;
02565 }
02566
02567 static void opt_frame_crop_bottom(const char *arg)
02568 {
02569 frame_bottomBand = atoi(arg);
02570 if (frame_bottomBand < 0) {
02571 fprintf(stderr, "Incorrect bottom crop size\n");
02572 av_exit(1);
02573 }
02574 if ((frame_bottomBand) >= frame_height){
02575 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
02576 av_exit(1);
02577 }
02578 frame_height -= frame_bottomBand;
02579 }
02580
02581 static void opt_frame_crop_left(const char *arg)
02582 {
02583 frame_leftBand = atoi(arg);
02584 if (frame_leftBand < 0) {
02585 fprintf(stderr, "Incorrect left crop size\n");
02586 av_exit(1);
02587 }
02588 if ((frame_leftBand) >= frame_width){
02589 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
02590 av_exit(1);
02591 }
02592 frame_width -= frame_leftBand;
02593 }
02594
02595 static void opt_frame_crop_right(const char *arg)
02596 {
02597 frame_rightBand = atoi(arg);
02598 if (frame_rightBand < 0) {
02599 fprintf(stderr, "Incorrect right crop size\n");
02600 av_exit(1);
02601 }
02602 if ((frame_rightBand) >= frame_width){
02603 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
02604 av_exit(1);
02605 }
02606 frame_width -= frame_rightBand;
02607 }
02608
02609 static void opt_frame_size(const char *arg)
02610 {
02611 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
02612 fprintf(stderr, "Incorrect frame size\n");
02613 av_exit(1);
02614 }
02615 }
02616
02617 static void opt_pad_color(const char *arg) {
02618
02619
02620 int rgb = strtol(arg, NULL, 16);
02621 int r,g,b;
02622
02623 r = (rgb >> 16);
02624 g = ((rgb >> 8) & 255);
02625 b = (rgb & 255);
02626
02627 padcolor[0] = RGB_TO_Y(r,g,b);
02628 padcolor[1] = RGB_TO_U(r,g,b,0);
02629 padcolor[2] = RGB_TO_V(r,g,b,0);
02630 }
02631
02632 static void opt_frame_pad_top(const char *arg)
02633 {
02634 frame_padtop = atoi(arg);
02635 if (frame_padtop < 0) {
02636 fprintf(stderr, "Incorrect top pad size\n");
02637 av_exit(1);
02638 }
02639 }
02640
02641 static void opt_frame_pad_bottom(const char *arg)
02642 {
02643 frame_padbottom = atoi(arg);
02644 if (frame_padbottom < 0) {
02645 fprintf(stderr, "Incorrect bottom pad size\n");
02646 av_exit(1);
02647 }
02648 }
02649
02650
02651 static void opt_frame_pad_left(const char *arg)
02652 {
02653 frame_padleft = atoi(arg);
02654 if (frame_padleft < 0) {
02655 fprintf(stderr, "Incorrect left pad size\n");
02656 av_exit(1);
02657 }
02658 }
02659
02660
02661 static void opt_frame_pad_right(const char *arg)
02662 {
02663 frame_padright = atoi(arg);
02664 if (frame_padright < 0) {
02665 fprintf(stderr, "Incorrect right pad size\n");
02666 av_exit(1);
02667 }
02668 }
02669
02670 static void opt_frame_pix_fmt(const char *arg)
02671 {
02672 if (strcmp(arg, "list")) {
02673 frame_pix_fmt = av_get_pix_fmt(arg);
02674 if (frame_pix_fmt == PIX_FMT_NONE) {
02675 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
02676 av_exit(1);
02677 }
02678 } else {
02679 show_pix_fmts();
02680 av_exit(0);
02681 }
02682 }
02683
02684 static void opt_frame_aspect_ratio(const char *arg)
02685 {
02686 int x = 0, y = 0;
02687 double ar = 0;
02688 const char *p;
02689 char *end;
02690
02691 p = strchr(arg, ':');
02692 if (p) {
02693 x = strtol(arg, &end, 10);
02694 if (end == p)
02695 y = strtol(end+1, &end, 10);
02696 if (x > 0 && y > 0)
02697 ar = (double)x / (double)y;
02698 } else
02699 ar = strtod(arg, NULL);
02700
02701 if (!ar) {
02702 fprintf(stderr, "Incorrect aspect ratio specification.\n");
02703 av_exit(1);
02704 }
02705 frame_aspect_ratio = ar;
02706 }
02707
02708 static int opt_metadata(const char *opt, const char *arg)
02709 {
02710 char *mid= strchr(arg, '=');
02711
02712 if(!mid){
02713 fprintf(stderr, "Missing =\n");
02714 av_exit(1);
02715 }
02716 *mid++= 0;
02717
02718 metadata_count++;
02719 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
02720 metadata[metadata_count-1].key = av_strdup(arg);
02721 metadata[metadata_count-1].value= av_strdup(mid);
02722
02723 return 0;
02724 }
02725
02726 static void opt_qscale(const char *arg)
02727 {
02728 video_qscale = atof(arg);
02729 if (video_qscale <= 0 ||
02730 video_qscale > 255) {
02731 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
02732 av_exit(1);
02733 }
02734 }
02735
02736 static void opt_top_field_first(const char *arg)
02737 {
02738 top_field_first= atoi(arg);
02739 }
02740
02741 static int opt_thread_count(const char *opt, const char *arg)
02742 {
02743 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
02744 #if !HAVE_THREADS
02745 if (verbose >= 0)
02746 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
02747 #endif
02748 return 0;
02749 }
02750
02751 static void opt_audio_sample_fmt(const char *arg)
02752 {
02753 if (strcmp(arg, "list"))
02754 audio_sample_fmt = avcodec_get_sample_fmt(arg);
02755 else {
02756 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
02757 av_exit(0);
02758 }
02759 }
02760
02761 static int opt_audio_rate(const char *opt, const char *arg)
02762 {
02763 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
02764 return 0;
02765 }
02766
02767 static int opt_audio_channels(const char *opt, const char *arg)
02768 {
02769 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
02770 return 0;
02771 }
02772
02773 static void opt_video_channel(const char *arg)
02774 {
02775 video_channel = strtol(arg, NULL, 0);
02776 }
02777
02778 static void opt_video_standard(const char *arg)
02779 {
02780 video_standard = av_strdup(arg);
02781 }
02782
02783 static void opt_codec(int *pstream_copy, char **pcodec_name,
02784 int codec_type, const char *arg)
02785 {
02786 av_freep(pcodec_name);
02787 if (!strcmp(arg, "copy")) {
02788 *pstream_copy = 1;
02789 } else {
02790 *pcodec_name = av_strdup(arg);
02791 }
02792 }
02793
02794 static void opt_audio_codec(const char *arg)
02795 {
02796 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
02797 }
02798
02799 static void opt_audio_tag(const char *arg)
02800 {
02801 char *tail;
02802 audio_codec_tag= strtol(arg, &tail, 0);
02803
02804 if(!tail || *tail)
02805 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
02806 }
02807
02808 static void opt_video_tag(const char *arg)
02809 {
02810 char *tail;
02811 video_codec_tag= strtol(arg, &tail, 0);
02812
02813 if(!tail || *tail)
02814 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
02815 }
02816
02817 static void opt_video_codec(const char *arg)
02818 {
02819 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
02820 }
02821
02822 static void opt_subtitle_codec(const char *arg)
02823 {
02824 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
02825 }
02826
02827 static void opt_subtitle_tag(const char *arg)
02828 {
02829 char *tail;
02830 subtitle_codec_tag= strtol(arg, &tail, 0);
02831
02832 if(!tail || *tail)
02833 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
02834 }
02835
02836 static void opt_map(const char *arg)
02837 {
02838 AVStreamMap *m;
02839 char *p;
02840
02841 m = &stream_maps[nb_stream_maps++];
02842
02843 m->file_index = strtol(arg, &p, 0);
02844 if (*p)
02845 p++;
02846
02847 m->stream_index = strtol(p, &p, 0);
02848 if (*p) {
02849 p++;
02850 m->sync_file_index = strtol(p, &p, 0);
02851 if (*p)
02852 p++;
02853 m->sync_stream_index = strtol(p, &p, 0);
02854 } else {
02855 m->sync_file_index = m->file_index;
02856 m->sync_stream_index = m->stream_index;
02857 }
02858 }
02859
02860 static void opt_map_meta_data(const char *arg)
02861 {
02862 AVMetaDataMap *m;
02863 char *p;
02864
02865 m = &meta_data_maps[nb_meta_data_maps++];
02866
02867 m->out_file = strtol(arg, &p, 0);
02868 if (*p)
02869 p++;
02870
02871 m->in_file = strtol(p, &p, 0);
02872 }
02873
02874 static void opt_input_ts_scale(const char *arg)
02875 {
02876 unsigned int stream;
02877 double scale;
02878 char *p;
02879
02880 stream = strtol(arg, &p, 0);
02881 if (*p)
02882 p++;
02883 scale= strtod(p, &p);
02884
02885 if(stream >= MAX_STREAMS)
02886 av_exit(1);
02887
02888 input_files_ts_scale[nb_input_files][stream]= scale;
02889 }
02890
02891 static int opt_recording_time(const char *opt, const char *arg)
02892 {
02893 recording_time = parse_time_or_die(opt, arg, 1);
02894 return 0;
02895 }
02896
02897 static int opt_start_time(const char *opt, const char *arg)
02898 {
02899 start_time = parse_time_or_die(opt, arg, 1);
02900 return 0;
02901 }
02902
02903 static int opt_rec_timestamp(const char *opt, const char *arg)
02904 {
02905 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
02906 return 0;
02907 }
02908
02909 static int opt_input_ts_offset(const char *opt, const char *arg)
02910 {
02911 input_ts_offset = parse_time_or_die(opt, arg, 1);
02912 return 0;
02913 }
02914
02915 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
02916 {
02917 const char *codec_string = encoder ? "encoder" : "decoder";
02918 AVCodec *codec;
02919
02920 if(!name)
02921 return CODEC_ID_NONE;
02922 codec = encoder ?
02923 avcodec_find_encoder_by_name(name) :
02924 avcodec_find_decoder_by_name(name);
02925 if(!codec) {
02926 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
02927 av_exit(1);
02928 }
02929 if(codec->type != type) {
02930 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
02931 av_exit(1);
02932 }
02933 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
02934 strict > FF_COMPLIANCE_EXPERIMENTAL) {
02935 fprintf(stderr, "%s '%s' is experimental and might produce bad "
02936 "results.\nAdd '-strict experimental' if you want to use it.\n",
02937 codec_string, codec->name);
02938 codec = encoder ?
02939 avcodec_find_encoder(codec->id) :
02940 avcodec_find_decoder(codec->id);
02941 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
02942 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
02943 codec_string, codec->name);
02944 av_exit(1);
02945 }
02946 return codec->id;
02947 }
02948
02949 static void opt_input_file(const char *filename)
02950 {
02951 AVFormatContext *ic;
02952 AVFormatParameters params, *ap = ¶ms;
02953 AVInputFormat *file_iformat = NULL;
02954 int err, i, ret, rfps, rfps_base;
02955 int64_t timestamp;
02956
02957 if (last_asked_format) {
02958 if (!(file_iformat = av_find_input_format(last_asked_format))) {
02959 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
02960 av_exit(1);
02961 }
02962 last_asked_format = NULL;
02963 }
02964
02965 if (!strcmp(filename, "-"))
02966 filename = "pipe:";
02967
02968 using_stdin |= !strncmp(filename, "pipe:", 5) ||
02969 !strcmp(filename, "/dev/stdin");
02970
02971
02972 ic = avformat_alloc_context();
02973 if (!ic) {
02974 print_error(filename, AVERROR(ENOMEM));
02975 av_exit(1);
02976 }
02977
02978 memset(ap, 0, sizeof(*ap));
02979 ap->prealloced_context = 1;
02980 ap->sample_rate = audio_sample_rate;
02981 ap->channels = audio_channels;
02982 ap->time_base.den = frame_rate.num;
02983 ap->time_base.num = frame_rate.den;
02984 ap->width = frame_width + frame_padleft + frame_padright;
02985 ap->height = frame_height + frame_padtop + frame_padbottom;
02986 ap->pix_fmt = frame_pix_fmt;
02987
02988 ap->channel = video_channel;
02989 ap->standard = video_standard;
02990
02991 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
02992
02993 ic->video_codec_id =
02994 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
02995 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
02996 ic->audio_codec_id =
02997 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
02998 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
02999 ic->subtitle_codec_id=
03000 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
03001 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
03002 ic->flags |= AVFMT_FLAG_NONBLOCK;
03003
03004 if(pgmyuv_compatibility_hack)
03005 ic->video_codec_id= CODEC_ID_PGMYUV;
03006
03007
03008 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
03009 if (err < 0) {
03010 print_error(filename, err);
03011 av_exit(1);
03012 }
03013 if(opt_programid) {
03014 int i, j;
03015 int found=0;
03016 for(i=0; i<ic->nb_streams; i++){
03017 ic->streams[i]->discard= AVDISCARD_ALL;
03018 }
03019 for(i=0; i<ic->nb_programs; i++){
03020 AVProgram *p= ic->programs[i];
03021 if(p->id != opt_programid){
03022 p->discard = AVDISCARD_ALL;
03023 }else{
03024 found=1;
03025 for(j=0; j<p->nb_stream_indexes; j++){
03026 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
03027 }
03028 }
03029 }
03030 if(!found){
03031 fprintf(stderr, "Specified program id not found\n");
03032 av_exit(1);
03033 }
03034 opt_programid=0;
03035 }
03036
03037 ic->loop_input = loop_input;
03038
03039
03040
03041 ret = av_find_stream_info(ic);
03042 if (ret < 0 && verbose >= 0) {
03043 fprintf(stderr, "%s: could not find codec parameters\n", filename);
03044 av_exit(1);
03045 }
03046
03047 timestamp = start_time;
03048
03049 if (ic->start_time != AV_NOPTS_VALUE)
03050 timestamp += ic->start_time;
03051
03052
03053 if (start_time != 0) {
03054 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
03055 if (ret < 0) {
03056 fprintf(stderr, "%s: could not seek to position %0.3f\n",
03057 filename, (double)timestamp / AV_TIME_BASE);
03058 }
03059
03060 start_time = 0;
03061 }
03062
03063
03064 for(i=0;i<ic->nb_streams;i++) {
03065 AVStream *st = ic->streams[i];
03066 AVCodecContext *enc = st->codec;
03067 avcodec_thread_init(enc, thread_count);
03068 switch(enc->codec_type) {
03069 case AVMEDIA_TYPE_AUDIO:
03070 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
03071
03072 channel_layout = enc->channel_layout;
03073 audio_channels = enc->channels;
03074 audio_sample_rate = enc->sample_rate;
03075 audio_sample_fmt = enc->sample_fmt;
03076 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
03077 if(audio_disable)
03078 st->discard= AVDISCARD_ALL;
03079 break;
03080 case AVMEDIA_TYPE_VIDEO:
03081 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
03082 frame_height = enc->height;
03083 frame_width = enc->width;
03084 if(ic->streams[i]->sample_aspect_ratio.num)
03085 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
03086 else
03087 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
03088 frame_aspect_ratio *= (float) enc->width / enc->height;
03089 frame_pix_fmt = enc->pix_fmt;
03090 rfps = ic->streams[i]->r_frame_rate.num;
03091 rfps_base = ic->streams[i]->r_frame_rate.den;
03092 if(enc->lowres) {
03093 enc->flags |= CODEC_FLAG_EMU_EDGE;
03094 frame_height >>= enc->lowres;
03095 frame_width >>= enc->lowres;
03096 }
03097 if(me_threshold)
03098 enc->debug |= FF_DEBUG_MV;
03099
03100 if (enc->time_base.den != rfps*enc->ticks_per_frame || enc->time_base.num != rfps_base) {
03101
03102 if (verbose >= 0)
03103 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
03104 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
03105
03106 (float)rfps / rfps_base, rfps, rfps_base);
03107 }
03108
03109 frame_rate.num = rfps;
03110 frame_rate.den = rfps_base;
03111
03112 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
03113 if(video_disable)
03114 st->discard= AVDISCARD_ALL;
03115 else if(video_discard)
03116 st->discard= video_discard;
03117 break;
03118 case AVMEDIA_TYPE_DATA:
03119 break;
03120 case AVMEDIA_TYPE_SUBTITLE:
03121 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
03122 if(subtitle_disable)
03123 st->discard = AVDISCARD_ALL;
03124 break;
03125 case AVMEDIA_TYPE_ATTACHMENT:
03126 case AVMEDIA_TYPE_UNKNOWN:
03127 nb_icodecs++;
03128 break;
03129 default:
03130 abort();
03131 }
03132 }
03133
03134 input_files[nb_input_files] = ic;
03135 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
03136
03137 if (verbose >= 0)
03138 dump_format(ic, nb_input_files, filename, 0);
03139
03140 nb_input_files++;
03141
03142 video_channel = 0;
03143
03144 av_freep(&video_codec_name);
03145 av_freep(&audio_codec_name);
03146 av_freep(&subtitle_codec_name);
03147 }
03148
03149 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
03150 int *has_subtitle_ptr)
03151 {
03152 int has_video, has_audio, has_subtitle, i, j;
03153 AVFormatContext *ic;
03154
03155 has_video = 0;
03156 has_audio = 0;
03157 has_subtitle = 0;
03158 for(j=0;j<nb_input_files;j++) {
03159 ic = input_files[j];
03160 for(i=0;i<ic->nb_streams;i++) {
03161 AVCodecContext *enc = ic->streams[i]->codec;
03162 switch(enc->codec_type) {
03163 case AVMEDIA_TYPE_AUDIO:
03164 has_audio = 1;
03165 break;
03166 case AVMEDIA_TYPE_VIDEO:
03167 has_video = 1;
03168 break;
03169 case AVMEDIA_TYPE_SUBTITLE:
03170 has_subtitle = 1;
03171 break;
03172 case AVMEDIA_TYPE_DATA:
03173 case AVMEDIA_TYPE_ATTACHMENT:
03174 case AVMEDIA_TYPE_UNKNOWN:
03175 break;
03176 default:
03177 abort();
03178 }
03179 }
03180 }
03181 *has_video_ptr = has_video;
03182 *has_audio_ptr = has_audio;
03183 *has_subtitle_ptr = has_subtitle;
03184 }
03185
03186 static void new_video_stream(AVFormatContext *oc)
03187 {
03188 AVStream *st;
03189 AVCodecContext *video_enc;
03190 enum CodecID codec_id;
03191
03192 st = av_new_stream(oc, oc->nb_streams);
03193 if (!st) {
03194 fprintf(stderr, "Could not alloc stream\n");
03195 av_exit(1);
03196 }
03197 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
03198 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
03199 video_bitstream_filters= NULL;
03200
03201 avcodec_thread_init(st->codec, thread_count);
03202
03203 video_enc = st->codec;
03204
03205 if(video_codec_tag)
03206 video_enc->codec_tag= video_codec_tag;
03207
03208 if( (video_global_header&1)
03209 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
03210 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
03211 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
03212 }
03213 if(video_global_header&2){
03214 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
03215 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
03216 }
03217
03218 if (video_stream_copy) {
03219 st->stream_copy = 1;
03220 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
03221 video_enc->sample_aspect_ratio =
03222 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
03223 } else {
03224 const char *p;
03225 int i;
03226 AVCodec *codec;
03227 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
03228
03229 if (video_codec_name) {
03230 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
03231 video_enc->strict_std_compliance);
03232 codec = avcodec_find_encoder_by_name(video_codec_name);
03233 output_codecs[nb_ocodecs] = codec;
03234 } else {
03235 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
03236 codec = avcodec_find_encoder(codec_id);
03237 }
03238
03239 video_enc->codec_id = codec_id;
03240
03241 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
03242
03243 if (codec && codec->supported_framerates && !force_fps)
03244 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
03245 video_enc->time_base.den = fps.num;
03246 video_enc->time_base.num = fps.den;
03247
03248 video_enc->width = frame_width + frame_padright + frame_padleft;
03249 video_enc->height = frame_height + frame_padtop + frame_padbottom;
03250 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
03251 video_enc->pix_fmt = frame_pix_fmt;
03252 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
03253
03254 choose_pixel_fmt(st, codec);
03255
03256 if (intra_only)
03257 video_enc->gop_size = 0;
03258 if (video_qscale || same_quality) {
03259 video_enc->flags |= CODEC_FLAG_QSCALE;
03260 video_enc->global_quality=
03261 st->quality = FF_QP2LAMBDA * video_qscale;
03262 }
03263
03264 if(intra_matrix)
03265 video_enc->intra_matrix = intra_matrix;
03266 if(inter_matrix)
03267 video_enc->inter_matrix = inter_matrix;
03268
03269 p= video_rc_override_string;
03270 for(i=0; p; i++){
03271 int start, end, q;
03272 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
03273 if(e!=3){
03274 fprintf(stderr, "error parsing rc_override\n");
03275 av_exit(1);
03276 }
03277 video_enc->rc_override=
03278 av_realloc(video_enc->rc_override,
03279 sizeof(RcOverride)*(i+1));
03280 video_enc->rc_override[i].start_frame= start;
03281 video_enc->rc_override[i].end_frame = end;
03282 if(q>0){
03283 video_enc->rc_override[i].qscale= q;
03284 video_enc->rc_override[i].quality_factor= 1.0;
03285 }
03286 else{
03287 video_enc->rc_override[i].qscale= 0;
03288 video_enc->rc_override[i].quality_factor= -q/100.0;
03289 }
03290 p= strchr(p, '/');
03291 if(p) p++;
03292 }
03293 video_enc->rc_override_count=i;
03294 if (!video_enc->rc_initial_buffer_occupancy)
03295 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
03296 video_enc->me_threshold= me_threshold;
03297 video_enc->intra_dc_precision= intra_dc_precision - 8;
03298
03299 if (do_psnr)
03300 video_enc->flags|= CODEC_FLAG_PSNR;
03301
03302
03303 if (do_pass) {
03304 if (do_pass == 1) {
03305 video_enc->flags |= CODEC_FLAG_PASS1;
03306 } else {
03307 video_enc->flags |= CODEC_FLAG_PASS2;
03308 }
03309 }
03310 }
03311 nb_ocodecs++;
03312 if (video_language) {
03313 av_metadata_set2(&st->metadata, "language", video_language, 0);
03314 av_freep(&video_language);
03315 }
03316
03317
03318 video_disable = 0;
03319 av_freep(&video_codec_name);
03320 video_stream_copy = 0;
03321 frame_pix_fmt = PIX_FMT_NONE;
03322 }
03323
03324 static void new_audio_stream(AVFormatContext *oc)
03325 {
03326 AVStream *st;
03327 AVCodecContext *audio_enc;
03328 enum CodecID codec_id;
03329
03330 st = av_new_stream(oc, oc->nb_streams);
03331 if (!st) {
03332 fprintf(stderr, "Could not alloc stream\n");
03333 av_exit(1);
03334 }
03335 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_AUDIO);
03336
03337 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
03338 audio_bitstream_filters= NULL;
03339
03340 avcodec_thread_init(st->codec, thread_count);
03341
03342 audio_enc = st->codec;
03343 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
03344
03345 if(audio_codec_tag)
03346 audio_enc->codec_tag= audio_codec_tag;
03347
03348 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
03349 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
03350 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
03351 }
03352 if (audio_stream_copy) {
03353 st->stream_copy = 1;
03354 audio_enc->channels = audio_channels;
03355 audio_enc->sample_rate = audio_sample_rate;
03356 } else {
03357 AVCodec *codec;
03358
03359 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
03360
03361 if (audio_codec_name) {
03362 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
03363 audio_enc->strict_std_compliance);
03364 codec = avcodec_find_encoder_by_name(audio_codec_name);
03365 output_codecs[nb_ocodecs] = codec;
03366 } else {
03367 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
03368 codec = avcodec_find_encoder(codec_id);
03369 }
03370 audio_enc->codec_id = codec_id;
03371
03372 if (audio_qscale > QSCALE_NONE) {
03373 audio_enc->flags |= CODEC_FLAG_QSCALE;
03374 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
03375 }
03376 audio_enc->channels = audio_channels;
03377 audio_enc->sample_fmt = audio_sample_fmt;
03378 audio_enc->sample_rate = audio_sample_rate;
03379 audio_enc->channel_layout = channel_layout;
03380 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
03381 audio_enc->channel_layout = 0;
03382 choose_sample_fmt(st, codec);
03383 choose_sample_rate(st, codec);
03384 }
03385 nb_ocodecs++;
03386 audio_enc->time_base= (AVRational){1, audio_sample_rate};
03387 if (audio_language) {
03388 av_metadata_set2(&st->metadata, "language", audio_language, 0);
03389 av_freep(&audio_language);
03390 }
03391
03392
03393 audio_disable = 0;
03394 av_freep(&audio_codec_name);
03395 audio_stream_copy = 0;
03396 }
03397
03398 static void new_subtitle_stream(AVFormatContext *oc)
03399 {
03400 AVStream *st;
03401 AVCodecContext *subtitle_enc;
03402
03403 st = av_new_stream(oc, oc->nb_streams);
03404 if (!st) {
03405 fprintf(stderr, "Could not alloc stream\n");
03406 av_exit(1);
03407 }
03408 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_SUBTITLE);
03409
03410 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
03411 subtitle_bitstream_filters= NULL;
03412
03413 subtitle_enc = st->codec;
03414 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
03415
03416 if(subtitle_codec_tag)
03417 subtitle_enc->codec_tag= subtitle_codec_tag;
03418
03419 if (subtitle_stream_copy) {
03420 st->stream_copy = 1;
03421 } else {
03422 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
03423 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
03424 subtitle_enc->strict_std_compliance);
03425 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
03426 }
03427 nb_ocodecs++;
03428
03429 if (subtitle_language) {
03430 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
03431 av_freep(&subtitle_language);
03432 }
03433
03434 subtitle_disable = 0;
03435 av_freep(&subtitle_codec_name);
03436 subtitle_stream_copy = 0;
03437 }
03438
03439 static void opt_new_audio_stream(void)
03440 {
03441 AVFormatContext *oc;
03442 if (nb_output_files <= 0) {
03443 fprintf(stderr, "At least one output file must be specified\n");
03444 av_exit(1);
03445 }
03446 oc = output_files[nb_output_files - 1];
03447 new_audio_stream(oc);
03448 }
03449
03450 static void opt_new_video_stream(void)
03451 {
03452 AVFormatContext *oc;
03453 if (nb_output_files <= 0) {
03454 fprintf(stderr, "At least one output file must be specified\n");
03455 av_exit(1);
03456 }
03457 oc = output_files[nb_output_files - 1];
03458 new_video_stream(oc);
03459 }
03460
03461 static void opt_new_subtitle_stream(void)
03462 {
03463 AVFormatContext *oc;
03464 if (nb_output_files <= 0) {
03465 fprintf(stderr, "At least one output file must be specified\n");
03466 av_exit(1);
03467 }
03468 oc = output_files[nb_output_files - 1];
03469 new_subtitle_stream(oc);
03470 }
03471
03472 static void opt_output_file(const char *filename)
03473 {
03474 AVFormatContext *oc;
03475 int err, use_video, use_audio, use_subtitle;
03476 int input_has_video, input_has_audio, input_has_subtitle;
03477 AVFormatParameters params, *ap = ¶ms;
03478 AVOutputFormat *file_oformat;
03479
03480 if (!strcmp(filename, "-"))
03481 filename = "pipe:";
03482
03483 oc = avformat_alloc_context();
03484 if (!oc) {
03485 print_error(filename, AVERROR(ENOMEM));
03486 av_exit(1);
03487 }
03488
03489 if (last_asked_format) {
03490 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
03491 if (!file_oformat) {
03492 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
03493 av_exit(1);
03494 }
03495 last_asked_format = NULL;
03496 } else {
03497 file_oformat = av_guess_format(NULL, filename, NULL);
03498 if (!file_oformat) {
03499 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
03500 filename);
03501 av_exit(1);
03502 }
03503 }
03504
03505 oc->oformat = file_oformat;
03506 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
03507
03508 if (!strcmp(file_oformat->name, "ffm") &&
03509 av_strstart(filename, "http:", NULL)) {
03510
03511
03512 int err = read_ffserver_streams(oc, filename);
03513 if (err < 0) {
03514 print_error(filename, err);
03515 av_exit(1);
03516 }
03517 } else {
03518 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
03519 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
03520 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
03521
03522
03523
03524 if (nb_input_files > 0) {
03525 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
03526 &input_has_subtitle);
03527 if (!input_has_video)
03528 use_video = 0;
03529 if (!input_has_audio)
03530 use_audio = 0;
03531 if (!input_has_subtitle)
03532 use_subtitle = 0;
03533 }
03534
03535
03536 if (audio_disable) {
03537 use_audio = 0;
03538 }
03539 if (video_disable) {
03540 use_video = 0;
03541 }
03542 if (subtitle_disable) {
03543 use_subtitle = 0;
03544 }
03545
03546 if (use_video) {
03547 new_video_stream(oc);
03548 }
03549
03550 if (use_audio) {
03551 new_audio_stream(oc);
03552 }
03553
03554 if (use_subtitle) {
03555 new_subtitle_stream(oc);
03556 }
03557
03558 oc->timestamp = rec_timestamp;
03559
03560 for(; metadata_count>0; metadata_count--){
03561 av_metadata_set2(&oc->metadata, metadata[metadata_count-1].key,
03562 metadata[metadata_count-1].value, 0);
03563 }
03564 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
03565 }
03566
03567 output_files[nb_output_files++] = oc;
03568
03569
03570 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
03571 if (!av_filename_number_test(oc->filename)) {
03572 print_error(oc->filename, AVERROR_NUMEXPECTED);
03573 av_exit(1);
03574 }
03575 }
03576
03577 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
03578
03579 if (!file_overwrite &&
03580 (strchr(filename, ':') == NULL ||
03581 filename[1] == ':' ||
03582 av_strstart(filename, "file:", NULL))) {
03583 if (url_exist(filename)) {
03584 if (!using_stdin) {
03585 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
03586 fflush(stderr);
03587 if (!read_yesno()) {
03588 fprintf(stderr, "Not overwriting - exiting\n");
03589 av_exit(1);
03590 }
03591 }
03592 else {
03593 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
03594 av_exit(1);
03595 }
03596 }
03597 }
03598
03599
03600 if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
03601 print_error(filename, err);
03602 av_exit(1);
03603 }
03604 }
03605
03606 memset(ap, 0, sizeof(*ap));
03607 if (av_set_parameters(oc, ap) < 0) {
03608 fprintf(stderr, "%s: Invalid encoding parameters\n",
03609 oc->filename);
03610 av_exit(1);
03611 }
03612
03613 oc->preload= (int)(mux_preload*AV_TIME_BASE);
03614 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
03615 oc->loop_output = loop_output;
03616 oc->flags |= AVFMT_FLAG_NONBLOCK;
03617
03618 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
03619 }
03620
03621
03622 static void opt_pass(const char *pass_str)
03623 {
03624 int pass;
03625 pass = atoi(pass_str);
03626 if (pass != 1 && pass != 2) {
03627 fprintf(stderr, "pass number can be only 1 or 2\n");
03628 av_exit(1);
03629 }
03630 do_pass = pass;
03631 }
03632
03633 static int64_t getutime(void)
03634 {
03635 #if HAVE_GETRUSAGE
03636 struct rusage rusage;
03637
03638 getrusage(RUSAGE_SELF, &rusage);
03639 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
03640 #elif HAVE_GETPROCESSTIMES
03641 HANDLE proc;
03642 FILETIME c, e, k, u;
03643 proc = GetCurrentProcess();
03644 GetProcessTimes(proc, &c, &e, &k, &u);
03645 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
03646 #else
03647 return av_gettime();
03648 #endif
03649 }
03650
03651 static int64_t getmaxrss(void)
03652 {
03653 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
03654 struct rusage rusage;
03655 getrusage(RUSAGE_SELF, &rusage);
03656 return (int64_t)rusage.ru_maxrss * 1024;
03657 #elif HAVE_GETPROCESSMEMORYINFO
03658 HANDLE proc;
03659 PROCESS_MEMORY_COUNTERS memcounters;
03660 proc = GetCurrentProcess();
03661 memcounters.cb = sizeof(memcounters);
03662 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
03663 return memcounters.PeakPagefileUsage;
03664 #else
03665 return 0;
03666 #endif
03667 }
03668
03669 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
03670 {
03671 int i;
03672 const char *p = str;
03673 for(i = 0;; i++) {
03674 dest[i] = atoi(p);
03675 if(i == 63)
03676 break;
03677 p = strchr(p, ',');
03678 if(!p) {
03679 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
03680 av_exit(1);
03681 }
03682 p++;
03683 }
03684 }
03685
03686 static void opt_inter_matrix(const char *arg)
03687 {
03688 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
03689 parse_matrix_coeffs(inter_matrix, arg);
03690 }
03691
03692 static void opt_intra_matrix(const char *arg)
03693 {
03694 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
03695 parse_matrix_coeffs(intra_matrix, arg);
03696 }
03697
03702 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
03703 {
03704 vfprintf(stdout, fmt, vl);
03705 }
03706
03707 static void show_usage(void)
03708 {
03709 printf("Hyper fast Audio and Video encoder\n");
03710 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
03711 printf("\n");
03712 }
03713
03714 static void show_help(void)
03715 {
03716 av_log_set_callback(log_callback_help);
03717 show_usage();
03718 show_help_options(options, "Main options:\n",
03719 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
03720 show_help_options(options, "\nAdvanced options:\n",
03721 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
03722 OPT_EXPERT);
03723 show_help_options(options, "\nVideo options:\n",
03724 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
03725 OPT_VIDEO);
03726 show_help_options(options, "\nAdvanced Video options:\n",
03727 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
03728 OPT_VIDEO | OPT_EXPERT);
03729 show_help_options(options, "\nAudio options:\n",
03730 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
03731 OPT_AUDIO);
03732 show_help_options(options, "\nAdvanced Audio options:\n",
03733 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
03734 OPT_AUDIO | OPT_EXPERT);
03735 show_help_options(options, "\nSubtitle options:\n",
03736 OPT_SUBTITLE | OPT_GRAB,
03737 OPT_SUBTITLE);
03738 show_help_options(options, "\nAudio/Video grab options:\n",
03739 OPT_GRAB,
03740 OPT_GRAB);
03741 printf("\n");
03742 av_opt_show(avcodec_opts[0], NULL);
03743 printf("\n");
03744 av_opt_show(avformat_opts, NULL);
03745 printf("\n");
03746 av_opt_show(sws_opts, NULL);
03747 }
03748
03749 static void opt_target(const char *arg)
03750 {
03751 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
03752 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
03753
03754 if(!strncmp(arg, "pal-", 4)) {
03755 norm = PAL;
03756 arg += 4;
03757 } else if(!strncmp(arg, "ntsc-", 5)) {
03758 norm = NTSC;
03759 arg += 5;
03760 } else if(!strncmp(arg, "film-", 5)) {
03761 norm = FILM;
03762 arg += 5;
03763 } else {
03764 int fr;
03765
03766 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
03767 if(fr == 25000) {
03768 norm = PAL;
03769 } else if((fr == 29970) || (fr == 23976)) {
03770 norm = NTSC;
03771 } else {
03772
03773 if(nb_input_files) {
03774 int i, j;
03775 for(j = 0; j < nb_input_files; j++) {
03776 for(i = 0; i < input_files[j]->nb_streams; i++) {
03777 AVCodecContext *c = input_files[j]->streams[i]->codec;
03778 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
03779 continue;
03780 fr = c->time_base.den * 1000 / c->time_base.num;
03781 if(fr == 25000) {
03782 norm = PAL;
03783 break;
03784 } else if((fr == 29970) || (fr == 23976)) {
03785 norm = NTSC;
03786 break;
03787 }
03788 }
03789 if(norm != UNKNOWN)
03790 break;
03791 }
03792 }
03793 }
03794 if(verbose && norm != UNKNOWN)
03795 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
03796 }
03797
03798 if(norm == UNKNOWN) {
03799 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
03800 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
03801 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
03802 av_exit(1);
03803 }
03804
03805 if(!strcmp(arg, "vcd")) {
03806
03807 opt_video_codec("mpeg1video");
03808 opt_audio_codec("mp2");
03809 opt_format("vcd");
03810
03811 opt_frame_size(norm == PAL ? "352x288" : "352x240");
03812 opt_frame_rate(NULL, frame_rates[norm]);
03813 opt_default("g", norm == PAL ? "15" : "18");
03814
03815 opt_default("b", "1150000");
03816 opt_default("maxrate", "1150000");
03817 opt_default("minrate", "1150000");
03818 opt_default("bufsize", "327680");
03819
03820 opt_default("ab", "224000");
03821 audio_sample_rate = 44100;
03822 audio_channels = 2;
03823
03824 opt_default("packetsize", "2324");
03825 opt_default("muxrate", "1411200");
03826
03827
03828
03829
03830
03831
03832 mux_preload= (36000+3*1200) / 90000.0;
03833 } else if(!strcmp(arg, "svcd")) {
03834
03835 opt_video_codec("mpeg2video");
03836 opt_audio_codec("mp2");
03837 opt_format("svcd");
03838
03839 opt_frame_size(norm == PAL ? "480x576" : "480x480");
03840 opt_frame_rate(NULL, frame_rates[norm]);
03841 opt_default("g", norm == PAL ? "15" : "18");
03842
03843 opt_default("b", "2040000");
03844 opt_default("maxrate", "2516000");
03845 opt_default("minrate", "0");
03846 opt_default("bufsize", "1835008");
03847 opt_default("flags", "+scan_offset");
03848
03849
03850 opt_default("ab", "224000");
03851 audio_sample_rate = 44100;
03852
03853 opt_default("packetsize", "2324");
03854
03855 } else if(!strcmp(arg, "dvd")) {
03856
03857 opt_video_codec("mpeg2video");
03858 opt_audio_codec("ac3");
03859 opt_format("dvd");
03860
03861 opt_frame_size(norm == PAL ? "720x576" : "720x480");
03862 opt_frame_rate(NULL, frame_rates[norm]);
03863 opt_default("g", norm == PAL ? "15" : "18");
03864
03865 opt_default("b", "6000000");
03866 opt_default("maxrate", "9000000");
03867 opt_default("minrate", "0");
03868 opt_default("bufsize", "1835008");
03869
03870 opt_default("packetsize", "2048");
03871 opt_default("muxrate", "10080000");
03872
03873 opt_default("ab", "448000");
03874 audio_sample_rate = 48000;
03875
03876 } else if(!strncmp(arg, "dv", 2)) {
03877
03878 opt_format("dv");
03879
03880 opt_frame_size(norm == PAL ? "720x576" : "720x480");
03881 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
03882 (norm == PAL ? "yuv420p" : "yuv411p"));
03883 opt_frame_rate(NULL, frame_rates[norm]);
03884
03885 audio_sample_rate = 48000;
03886 audio_channels = 2;
03887
03888 } else {
03889 fprintf(stderr, "Unknown target: %s\n", arg);
03890 av_exit(1);
03891 }
03892 }
03893
03894 static void opt_vstats_file (const char *arg)
03895 {
03896 av_free (vstats_filename);
03897 vstats_filename=av_strdup (arg);
03898 }
03899
03900 static void opt_vstats (void)
03901 {
03902 char filename[40];
03903 time_t today2 = time(NULL);
03904 struct tm *today = localtime(&today2);
03905
03906 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
03907 today->tm_sec);
03908 opt_vstats_file(filename);
03909 }
03910
03911 static int opt_bsf(const char *opt, const char *arg)
03912 {
03913 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg);
03914 AVBitStreamFilterContext **bsfp;
03915
03916 if(!bsfc){
03917 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
03918 av_exit(1);
03919 }
03920
03921 bsfp= *opt == 'v' ? &video_bitstream_filters :
03922 *opt == 'a' ? &audio_bitstream_filters :
03923 &subtitle_bitstream_filters;
03924 while(*bsfp)
03925 bsfp= &(*bsfp)->next;
03926
03927 *bsfp= bsfc;
03928
03929 return 0;
03930 }
03931
03932 static int opt_preset(const char *opt, const char *arg)
03933 {
03934 FILE *f=NULL;
03935 char filename[1000], tmp[1000], tmp2[1000], line[1000];
03936 int i;
03937 const char *base[3]= { getenv("FFMPEG_DATADIR"),
03938 getenv("HOME"),
03939 FFMPEG_DATADIR,
03940 };
03941
03942 if (*opt != 'f') {
03943 for(i=0; i<3 && !f; i++){
03944 if(!base[i])
03945 continue;
03946 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", arg);
03947 f= fopen(filename, "r");
03948 if(!f){
03949 char *codec_name= *opt == 'v' ? video_codec_name :
03950 *opt == 'a' ? audio_codec_name :
03951 subtitle_codec_name;
03952 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", codec_name, arg);
03953 f= fopen(filename, "r");
03954 }
03955 }
03956 } else {
03957 av_strlcpy(filename, arg, sizeof(filename));
03958 f= fopen(filename, "r");
03959 }
03960
03961 if(!f){
03962 fprintf(stderr, "File for preset '%s' not found\n", arg);
03963 av_exit(1);
03964 }
03965
03966 while(!feof(f)){
03967 int e= fscanf(f, "%999[^\n]\n", line) - 1;
03968 if(line[0] == '#' && !e)
03969 continue;
03970 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
03971 if(e){
03972 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
03973 av_exit(1);
03974 }
03975 if(!strcmp(tmp, "acodec")){
03976 opt_audio_codec(tmp2);
03977 }else if(!strcmp(tmp, "vcodec")){
03978 opt_video_codec(tmp2);
03979 }else if(!strcmp(tmp, "scodec")){
03980 opt_subtitle_codec(tmp2);
03981 }else if(opt_default(tmp, tmp2) < 0){
03982 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
03983 av_exit(1);
03984 }
03985 }
03986
03987 fclose(f);
03988
03989 return 0;
03990 }
03991
03992 static const OptionDef options[] = {
03993
03994 #include "cmdutils_common_opts.h"
03995 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
03996 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
03997 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
03998 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
03999 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
04000 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
04001 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" },
04002 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
04003 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
04004 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
04005 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
04006 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
04007 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
04008 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
04009 "add timings for benchmarking" },
04010 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
04011 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
04012 "dump each input packet" },
04013 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
04014 "when dumping packets, also dump the payload" },
04015 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
04016 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
04017 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
04018 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
04019 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
04020 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
04021 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
04022 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
04023 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
04024 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
04025 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
04026 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" },
04027 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
04028 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
04029 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
04030 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
04031
04032
04033 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
04034 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
04035 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
04036 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
04037 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
04038 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
04039 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
04040 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
04041 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
04042 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
04043 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
04044 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
04045 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
04046 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
04047 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
04048 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
04049 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
04050 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
04051 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
04052 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
04053 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
04054 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
04055 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
04056 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
04057 "use same video quality as source (implies VBR)" },
04058 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
04059 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
04060 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
04061 "deinterlace pictures" },
04062 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
04063 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
04064 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
04065 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
04066 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
04067 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
04068 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
04069 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
04070 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
04071 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
04072 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
04073 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
04074
04075
04076 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
04077 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
04078 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
04079 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
04080 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
04081 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
04082 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
04083 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
04084 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" },
04085 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
04086 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
04087 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
04088
04089
04090 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
04091 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
04092 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
04093 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
04094 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
04095
04096
04097 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
04098 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
04099 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
04100
04101
04102 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
04103 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
04104
04105 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
04106 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
04107 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
04108
04109 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
04110 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
04111 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
04112 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
04113
04114 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
04115 { NULL, },
04116 };
04117
04118 int main(int argc, char **argv)
04119 {
04120 int i;
04121 int64_t ti;
04122
04123 avcodec_register_all();
04124 #if CONFIG_AVDEVICE
04125 avdevice_register_all();
04126 #endif
04127 av_register_all();
04128
04129 #if HAVE_ISATTY
04130 if(isatty(STDIN_FILENO))
04131 url_set_interrupt_cb(decode_interrupt_cb);
04132 #endif
04133
04134 for(i=0; i<AVMEDIA_TYPE_NB; i++){
04135 avcodec_opts[i]= avcodec_alloc_context2(i);
04136 }
04137 avformat_opts = avformat_alloc_context();
04138 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
04139
04140 show_banner();
04141
04142
04143 parse_options(argc, argv, options, opt_output_file);
04144
04145 if(nb_output_files <= 0 && nb_input_files == 0) {
04146 show_usage();
04147 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
04148 av_exit(1);
04149 }
04150
04151
04152 if (nb_output_files <= 0) {
04153 fprintf(stderr, "At least one output file must be specified\n");
04154 av_exit(1);
04155 }
04156
04157 if (nb_input_files == 0) {
04158 fprintf(stderr, "At least one input file must be specified\n");
04159 av_exit(1);
04160 }
04161
04162 ti = getutime();
04163 if (av_transcode(output_files, nb_output_files, input_files, nb_input_files,
04164 stream_maps, nb_stream_maps) < 0)
04165 av_exit(1);
04166 ti = getutime() - ti;
04167 if (do_benchmark) {
04168 int maxrss = getmaxrss() / 1024;
04169 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
04170 }
04171
04172 return av_exit(0);
04173 }
