[FFmpeg-cvslog] ffmpeg: factor common code from new_a/v/s/d_stream to new_output_stream()
Anton Khirnov
git at videolan.org
Wed Jul 13 00:49:12 CEST 2011
ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Sat Jun 25 07:43:49 2011 +0200| [1cede1d0112b5b26e6d023846729662b7cf1853f] | committer: Anton Khirnov
ffmpeg: factor common code from new_a/v/s/d_stream to new_output_stream()
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1cede1d0112b5b26e6d023846729662b7cf1853f
---
ffmpeg.c | 80 +++++++++++++++++++++----------------------------------------
1 files changed, 28 insertions(+), 52 deletions(-)
diff --git a/ffmpeg.c b/ffmpeg.c
index fe8b344..91cfb80 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -640,10 +640,16 @@ static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
}
}
-static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
+static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx, AVCodec *codec)
{
- int idx = oc->nb_streams - 1;
OutputStream *ost;
+ AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
+ int idx = oc->nb_streams - 1;
+
+ if (!st) {
+ av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
+ ffmpeg_exit(1);
+ }
output_streams_for_file[file_idx] =
grow_array(output_streams_for_file[file_idx],
@@ -658,6 +664,10 @@ static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
}
ost->file_index = file_idx;
ost->index = idx;
+ ost->st = st;
+ ost->enc = codec;
+
+ avcodec_get_context_defaults3(st->codec, codec);
ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
return ost;
@@ -673,27 +683,20 @@ static int read_ffserver_streams(AVFormatContext *s, const char *filename)
if (err < 0)
return err;
/* copy stream format */
- s->nb_streams = 0;
- s->streams = av_mallocz(sizeof(AVStream *) * ic->nb_streams);
for(i=0;i<ic->nb_streams;i++) {
AVStream *st;
+ OutputStream *ost;
AVCodec *codec;
- s->nb_streams++;
+ codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
+ ost = new_output_stream(s, nb_output_files, codec);
+ st = ost->st;
// FIXME: a more elegant solution is needed
- st = av_mallocz(sizeof(AVStream));
memcpy(st, ic->streams[i], sizeof(AVStream));
st->info = NULL;
- st->codec = avcodec_alloc_context();
- if (!st->codec) {
- print_error(filename, AVERROR(ENOMEM));
- ffmpeg_exit(1);
- }
avcodec_copy_context(st->codec, ic->streams[i]->codec);
- s->streams[i] = st;
- codec = avcodec_find_encoder(st->codec->codec_id);
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
if (audio_stream_copy) {
st->stream_copy = 1;
@@ -708,8 +711,6 @@ static int read_ffserver_streams(AVFormatContext *s, const char *filename)
if(st->codec->flags & CODEC_FLAG_BITEXACT)
nopts = 1;
-
- new_output_stream(s, nb_output_files);
}
if (!nopts)
@@ -2003,7 +2004,6 @@ static int transcode(AVFormatContext **output_files,
for(i=0;i<os->nb_streams;i++,n++) {
int found;
ost = ost_table[n] = output_streams_for_file[k][i];
- ost->st = os->streams[i];
if (nb_stream_maps > 0) {
ost->source_index = input_files[stream_maps[n].file_index].ist_index +
stream_maps[n].stream_index;
@@ -3428,24 +3428,20 @@ static void new_video_stream(AVFormatContext *oc, int file_idx)
enum CodecID codec_id = CODEC_ID_NONE;
AVCodec *codec= NULL;
- st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
- if (!st) {
- fprintf(stderr, "Could not alloc stream\n");
- ffmpeg_exit(1);
- }
- ost = new_output_stream(oc, file_idx);
-
if(!video_stream_copy){
if (video_codec_name) {
codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
codec = avcodec_find_encoder_by_name(video_codec_name);
- ost->enc = codec;
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
codec = avcodec_find_encoder(codec_id);
}
+ }
+ ost = new_output_stream(oc, file_idx, codec);
+ st = ost->st;
+ if (!video_stream_copy) {
ost->frame_aspect_ratio = frame_aspect_ratio;
frame_aspect_ratio = 0;
#if CONFIG_AVFILTER
@@ -3454,7 +3450,6 @@ static void new_video_stream(AVFormatContext *oc, int file_idx)
#endif
}
- avcodec_get_context_defaults3(st->codec, codec);
ost->bitstream_filters = video_bitstream_filters;
video_bitstream_filters= NULL;
@@ -3567,26 +3562,18 @@ static void new_audio_stream(AVFormatContext *oc, int file_idx)
AVCodecContext *audio_enc;
enum CodecID codec_id = CODEC_ID_NONE;
- st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
- if (!st) {
- fprintf(stderr, "Could not alloc stream\n");
- ffmpeg_exit(1);
- }
- ost = new_output_stream(oc, file_idx);
-
if(!audio_stream_copy){
if (audio_codec_name) {
codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
codec = avcodec_find_encoder_by_name(audio_codec_name);
- ost->enc = codec;
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
codec = avcodec_find_encoder(codec_id);
}
}
-
- avcodec_get_context_defaults3(st->codec, codec);
+ ost = new_output_stream(oc, file_idx, codec);
+ st = ost->st;
ost->bitstream_filters = audio_bitstream_filters;
audio_bitstream_filters= NULL;
@@ -3635,21 +3622,16 @@ static void new_audio_stream(AVFormatContext *oc, int file_idx)
static void new_data_stream(AVFormatContext *oc, int file_idx)
{
AVStream *st;
- AVCodec *codec=NULL;
+ OutputStream *ost;
AVCodecContext *data_enc;
- st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
- if (!st) {
- fprintf(stderr, "Could not alloc stream\n");
- ffmpeg_exit(1);
- }
- new_output_stream(oc, file_idx);
+ ost = new_output_stream(oc, file_idx, NULL);
+ st = ost->st;
data_enc = st->codec;
if (!data_stream_copy) {
fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
ffmpeg_exit(1);
}
- avcodec_get_context_defaults3(st->codec, codec);
data_enc->codec_type = AVMEDIA_TYPE_DATA;
@@ -3677,25 +3659,19 @@ static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
AVCodecContext *subtitle_enc;
enum CodecID codec_id = CODEC_ID_NONE;
- st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
- if (!st) {
- fprintf(stderr, "Could not alloc stream\n");
- ffmpeg_exit(1);
- }
- ost = new_output_stream(oc, file_idx);
- subtitle_enc = st->codec;
if(!subtitle_stream_copy){
if (subtitle_codec_name) {
codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
codec = avcodec_find_encoder_by_name(subtitle_codec_name);
- ost->enc = codec;
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
codec = avcodec_find_encoder(codec_id);
}
}
- avcodec_get_context_defaults3(st->codec, codec);
+ ost = new_output_stream(oc, file_idx, codec);
+ st = ost->st;
+ subtitle_enc = st->codec;
ost->bitstream_filters = subtitle_bitstream_filters;
subtitle_bitstream_filters= NULL;
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