generic-library/ffmpeg
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User application side of Codec specific parameters.

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Originally committed as revision 25266 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2010-09-29 23:06:51 +00:00
parent f34fcdc8b6
commit 0093ebc20a
5 changed files with 77 additions and 46 deletions
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87
ffmpeg.c
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@@ -3155,7 +3155,7 @@ static void opt_input_file(const char *filename)
ap->channel = video_channel;
ap->standard = video_standard;
set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
ic->video_codec_id =
find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
@@ -3235,13 +3235,13 @@ static void opt_input_file(const char *filename)
avcodec_thread_init(dec, thread_count);
switch (dec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_icodecs-1]);
//fprintf(stderr, "\nInput Audio channels: %d", dec->channels);
channel_layout = dec->channel_layout;
audio_channels = dec->channels;
audio_sample_rate = dec->sample_rate;
audio_sample_fmt = dec->sample_fmt;
input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
if(audio_disable)
st->discard= AVDISCARD_ALL;
/* Note that av_find_stream_info can add more streams, and we
@@ -3251,7 +3251,8 @@ static void opt_input_file(const char *filename)
audio_sample_rate >>= dec->lowres;
break;
case AVMEDIA_TYPE_VIDEO:
set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_icodecs-1]);
frame_height = dec->height;
frame_width = dec->width;
if(ic->streams[i]->sample_aspect_ratio.num)
@@ -3282,7 +3283,6 @@ static void opt_input_file(const char *filename)
frame_rate.num = rfps;
frame_rate.den = rfps_base;
input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
if(video_disable)
st->discard= AVDISCARD_ALL;
else if(video_discard)
@@ -3361,13 +3361,27 @@ static void new_video_stream(AVFormatContext *oc)
AVStream *st;
AVCodecContext *video_enc;
enum CodecID codec_id;
AVCodec *codec= NULL;
st = av_new_stream(oc, streamid_map[oc->nb_streams]);
if (!st) {
fprintf(stderr, "Could not alloc stream\n");
ffmpeg_exit(1);
}
avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
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);
output_codecs[nb_ocodecs] = codec;
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
codec = avcodec_find_encoder(codec_id);
}
}
avcodec_get_context_defaults3(st->codec, codec);
bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
video_bitstream_filters= NULL;
@@ -3396,22 +3410,10 @@ static void new_video_stream(AVFormatContext *oc)
} else {
const char *p;
int i;
AVCodec *codec;
AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
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);
output_codecs[nb_ocodecs] = codec;
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
codec = avcodec_find_encoder(codec_id);
}
video_enc->codec_id = codec_id;
set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
if (codec && codec->supported_framerates && !force_fps)
fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
@@ -3497,6 +3499,7 @@ static void new_video_stream(AVFormatContext *oc)
static void new_audio_stream(AVFormatContext *oc)
{
AVStream *st;
AVCodec *codec= NULL;
AVCodecContext *audio_enc;
enum CodecID codec_id;
@@ -3505,7 +3508,20 @@ static void new_audio_stream(AVFormatContext *oc)
fprintf(stderr, "Could not alloc stream\n");
ffmpeg_exit(1);
}
avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_AUDIO);
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);
output_codecs[nb_ocodecs] = 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);
bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
audio_bitstream_filters= NULL;
@@ -3527,20 +3543,8 @@ static void new_audio_stream(AVFormatContext *oc)
audio_enc->channels = audio_channels;
audio_enc->sample_rate = audio_sample_rate;
} else {
AVCodec *codec;
set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
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);
output_codecs[nb_ocodecs] = codec;
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
codec = avcodec_find_encoder(codec_id);
}
audio_enc->codec_id = codec_id;
set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
if (audio_qscale > QSCALE_NONE) {
audio_enc->flags |= CODEC_FLAG_QSCALE;
@@ -3571,6 +3575,7 @@ static void new_audio_stream(AVFormatContext *oc)
static void new_subtitle_stream(AVFormatContext *oc)
{
AVStream *st;
AVCodec *codec=NULL;
AVCodecContext *subtitle_enc;
st = av_new_stream(oc, streamid_map[oc->nb_streams]);
@@ -3578,12 +3583,17 @@ static void new_subtitle_stream(AVFormatContext *oc)
fprintf(stderr, "Could not alloc stream\n");
ffmpeg_exit(1);
}
avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_SUBTITLE);
subtitle_enc = st->codec;
if(!subtitle_stream_copy){
subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
codec= output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
}
avcodec_get_context_defaults3(st->codec, codec);
bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
subtitle_bitstream_filters= NULL;
subtitle_enc = st->codec;
subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
if(subtitle_codec_tag)
@@ -3592,10 +3602,7 @@ static void new_subtitle_stream(AVFormatContext *oc)
if (subtitle_stream_copy) {
st->stream_copy = 1;
} else {
set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
}
nb_ocodecs++;
@@ -3791,7 +3798,7 @@ static void opt_output_file(const char *filename)
oc->loop_output = loop_output;
oc->flags |= AVFMT_FLAG_NONBLOCK;
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
memset(streamid_map, 0, sizeof(streamid_map));
}