FFmpeg
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The simplest mpeg encoder (well, it was the simplest!). More...
#include <stdint.h>
#include "libavutil/internal.h"
#include "libavutil/intmath.h"
#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "libavutil/timer.h"
#include "avcodec.h"
#include "dct.h"
#include "idctdsp.h"
#include "mpeg12.h"
#include "mpegvideo.h"
#include "h261.h"
#include "h263.h"
#include "mjpegenc_common.h"
#include "mathops.h"
#include "mpegutils.h"
#include "mjpegenc.h"
#include "msmpeg4.h"
#include "pixblockdsp.h"
#include "qpeldsp.h"
#include "faandct.h"
#include "thread.h"
#include "aandcttab.h"
#include "flv.h"
#include "mpeg4video.h"
#include "internal.h"
#include "bytestream.h"
#include <limits.h>
#include "sp5x.h"
Go to the source code of this file.
Macros | |
#define | QUANT_BIAS_SHIFT 8 |
#define | QMAT_SHIFT_MMX 16 |
#define | QMAT_SHIFT 21 |
#define | COPY(a) dst->a= src->a |
#define | MERGE(field) dst->field += src->field; src->field=0 |
#define | OFFSET(x) offsetof(MpegEncContext, x) |
#define | VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
Variables | |
static uint8_t | default_mv_penalty [MAX_FCODE+1][MAX_MV *2+1] |
static uint8_t | default_fcode_tab [MAX_MV *2+1] |
const AVOption | ff_mpv_generic_options [] |
static int16_t | basis [64][64] |
static const AVOption | h263_options [] |
static const AVClass | h263_class |
AVCodec | ff_h263_encoder |
static const AVOption | h263p_options [] |
static const AVClass | h263p_class |
AVCodec | ff_h263p_encoder |
AVCodec | ff_msmpeg4v2_encoder |
AVCodec | ff_msmpeg4v3_encoder |
AVCodec | ff_wmv1_encoder |
The simplest mpeg encoder (well, it was the simplest!).
Definition in file mpegvideo_enc.c.
#define QUANT_BIAS_SHIFT 8 |
Definition at line 62 of file mpegvideo_enc.c.
Referenced by ff_convert_matrix(), ff_dct_quantize_c(), and ff_mpv_encode_init().
#define QMAT_SHIFT_MMX 16 |
Definition at line 64 of file mpegvideo_enc.c.
Referenced by ff_convert_matrix().
#define QMAT_SHIFT 21 |
Definition at line 65 of file mpegvideo_enc.c.
Referenced by dct_quantize_trellis_c(), ff_convert_matrix(), and ff_dct_quantize_c().
Definition at line 3385 of file mpegvideo_enc.c.
Referenced by merge_context_after_encode(), and merge_context_after_me().
#define OFFSET | ( | x | ) | offsetof(MpegEncContext, x) |
Definition at line 4533 of file mpegvideo_enc.c.
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
Definition at line 4534 of file mpegvideo_enc.c.
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Definition at line 3475 of file mpegvideo_enc.c.
Referenced by ff_mpv_encode_picture().
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Definition at line 4077 of file mpegvideo_enc.c.
Referenced by encode_mb_internal().
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Definition at line 2566 of file mpegvideo_enc.c.
Referenced by encode_mb_hq().
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Definition at line 3739 of file mpegvideo_enc.c.
Referenced by ff_dct_encode_init().
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Definition at line 3763 of file mpegvideo_enc.c.
Referenced by ff_dct_encode_init().
void ff_convert_matrix | ( | MpegEncContext * | s, |
int(*) | qmat[64], | ||
uint16_t(*) | qmat16[2][64], | ||
const uint16_t * | quant_matrix, | ||
int | bias, | ||
int | qmin, | ||
int | qmax, | ||
int | intra | ||
) |
Definition at line 81 of file mpegvideo_enc.c.
Referenced by dnxhd_init_qmat(), encode_picture(), and ff_mpv_encode_init().
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inlinestatic |
Definition at line 160 of file mpegvideo_enc.c.
Referenced by encode_mb_internal(), encode_picture(), and estimate_qp().
void ff_write_quant_matrix | ( | PutBitContext * | pb, |
uint16_t * | matrix | ||
) |
Definition at line 170 of file mpegvideo_enc.c.
Referenced by mpeg1_encode_sequence_header(), and mpeg4_encode_vol_header().
void ff_init_qscale_tab | ( | MpegEncContext * | s | ) |
init s->current_picture.qscale_table from s->lambda_table
Definition at line 186 of file mpegvideo_enc.c.
Referenced by estimate_qp(), and ff_clean_h263_qscales().
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Definition at line 199 of file mpegvideo_enc.c.
Referenced by encode_picture().
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Set the given MpegEncContext to defaults for encoding.
the changed fields will not depend upon the prior state of the MpegEncContext.
Definition at line 222 of file mpegvideo_enc.c.
Referenced by ff_mpv_encode_init().
av_cold int ff_dct_encode_init | ( | MpegEncContext * | s | ) |
Definition at line 237 of file mpegvideo_enc.c.
Referenced by dnxhd_encode_init(), and ff_mpv_encode_init().
av_cold int ff_mpv_encode_init | ( | AVCodecContext * | avctx | ) |
Definition at line 255 of file mpegvideo_enc.c.
Referenced by encode_init(), and wmv2_encode_init().
av_cold int ff_mpv_encode_end | ( | AVCodecContext * | avctx | ) |
Definition at line 1000 of file mpegvideo_enc.c.
Referenced by ff_mpv_encode_init(), and mpeg12_class().
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Definition at line 1038 of file mpegvideo_enc.c.
Referenced by get_intra_count().
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Definition at line 1052 of file mpegvideo_enc.c.
Referenced by select_input_picture().
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Definition at line 1076 of file mpegvideo_enc.c.
Referenced by ff_mpv_encode_picture().
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Definition at line 1218 of file mpegvideo_enc.c.
Referenced by select_input_picture().
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Definition at line 1259 of file mpegvideo_enc.c.
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Definition at line 1274 of file mpegvideo_enc.c.
Referenced by select_input_picture().
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Definition at line 1390 of file mpegvideo_enc.c.
Referenced by ff_mpv_encode_picture().
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Definition at line 1568 of file mpegvideo_enc.c.
Referenced by bethsoftvid_decode_frame(), bfi_decode_frame(), decode_bmv_frame(), decode_dds1(), decode_dsw1(), decode_tdlt(), decode_tsw1(), decode_wdlt(), ff_h263_decode_frame(), ff_mpv_encode_picture(), get_duration(), gif_read_packet(), and write_subframes().
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Definition at line 1608 of file mpegvideo_enc.c.
Referenced by frame_start().
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Definition at line 1629 of file mpegvideo_enc.c.
Referenced by av_timecode_init(), decode_dds1(), decode_dsw1(), decode_tsw1(), ff_mpv_encode_picture(), get_duration(), and gif_read_packet().
int ff_mpv_encode_picture | ( | AVCodecContext * | avctx, |
AVPacket * | pkt, | ||
const AVFrame * | pic_arg, | ||
int * | got_packet | ||
) |
Definition at line 1701 of file mpegvideo_enc.c.
Referenced by amv_encode_picture(), and mpeg12_class().
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Definition at line 1926 of file mpegvideo_enc.c.
Referenced by encode_mb_internal().
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Definition at line 1982 of file mpegvideo_enc.c.
Referenced by encode_mb_internal().
Definition at line 2016 of file mpegvideo_enc.c.
Referenced by encode_mb_internal().
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Definition at line 2040 of file mpegvideo_enc.c.
Referenced by encode_mb().
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Definition at line 2420 of file mpegvideo_enc.c.
Referenced by encode_mb_hq(), and encode_thread().
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Definition at line 2427 of file mpegvideo_enc.c.
Referenced by encode_mb_hq(), and encode_thread().
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Definition at line 2455 of file mpegvideo_enc.c.
Referenced by encode_mb_hq(), and encode_thread().
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Definition at line 2494 of file mpegvideo_enc.c.
Referenced by encode_thread().
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Definition at line 2545 of file mpegvideo_enc.c.
Referenced by block_sse(), encode_thread(), ff_vp9dsp_init_x86(), libwebp_encode_frame(), main(), run_psnr(), and sse_mb().
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Definition at line 2589 of file mpegvideo_enc.c.
Referenced by encode_picture().
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Definition at line 2608 of file mpegvideo_enc.c.
Referenced by encode_picture().
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Definition at line 2635 of file mpegvideo_enc.c.
Referenced by encode_picture().
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Definition at line 2660 of file mpegvideo_enc.c.
Referenced by encode_thread().
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Definition at line 2678 of file mpegvideo_enc.c.
Referenced by update_mb_info().
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Definition at line 2698 of file mpegvideo_enc.c.
Referenced by encode_thread().
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Definition at line 2721 of file mpegvideo_enc.c.
Referenced by encode_picture().
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Definition at line 3386 of file mpegvideo_enc.c.
Referenced by encode_picture().
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Definition at line 3392 of file mpegvideo_enc.c.
Referenced by encode_picture().
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Definition at line 3424 of file mpegvideo_enc.c.
Referenced by encode_picture().
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Definition at line 3461 of file mpegvideo_enc.c.
Referenced by encode_picture().
Definition at line 4058 of file mpegvideo_enc.c.
Referenced by dct_quantize_refine().
int ff_dct_quantize_c | ( | MpegEncContext * | s, |
int16_t * | block, | ||
int | n, | ||
int | qscale, | ||
int * | overflow | ||
) |
Definition at line 4452 of file mpegvideo_enc.c.
Referenced by dnxhd_encode_init(), encode_mb_internal(), and ff_dct_encode_init().
Definition at line 73 of file mpegvideo_enc.c.
Referenced by mpv_encode_defaults().
Definition at line 74 of file mpegvideo_enc.c.
Referenced by mpv_encode_defaults().
const AVOption ff_mpv_generic_options[] |
Definition at line 76 of file mpegvideo_enc.c.
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Definition at line 4056 of file mpegvideo_enc.c.
Referenced by add_8x8basis_TMPL(), and try_8x8basis_TMPL().
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Definition at line 4535 of file mpegvideo_enc.c.
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Definition at line 4543 of file mpegvideo_enc.c.
AVCodec ff_h263_encoder |
Definition at line 4550 of file mpegvideo_enc.c.
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Definition at line 4563 of file mpegvideo_enc.c.
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Definition at line 4571 of file mpegvideo_enc.c.
AVCodec ff_h263p_encoder |
Definition at line 4578 of file mpegvideo_enc.c.
AVCodec ff_msmpeg4v2_encoder |
Definition at line 4594 of file mpegvideo_enc.c.
AVCodec ff_msmpeg4v3_encoder |
Definition at line 4609 of file mpegvideo_enc.c.
AVCodec ff_wmv1_encoder |
Definition at line 4624 of file mpegvideo_enc.c.