virtualenv/FFmpeg
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ffmpeg: use new avcodec_open2 and avformat_find_stream_info API.

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This commit is contained in:
Anton Khirnov 2011-05-25 17:29:25 +02:00
parent 3009f521f3
commit bf174a70cd
1 changed files with 22 additions and 25 deletions
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47
ffmpeg.c
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@ -291,6 +291,7 @@ typedef struct OutputStream {
#endif
int sws_flags;
AVDictionary *opts;
} OutputStream;
static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
@ -312,6 +313,7 @@ typedef struct InputStream {
int is_start; /* is 1 at the start and after a discontinuity */
int showed_multi_packet_warning;
int is_past_recording_time;
AVDictionary *opts;
} InputStream;
typedef struct InputFile {
@ -459,6 +461,8 @@ static int ffmpeg_exit(int ret)
for(i=0;i<nb_input_files;i++) {
av_close_input_file(input_files[i].ctx);
}
for (i = 0; i < nb_input_streams; i++)
av_dict_free(&input_streams[i].opts);
av_free(intra_matrix);
av_free(inter_matrix);
@ -678,6 +682,8 @@ static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx, AVCode
ost->index = idx;
ost->st = st;
ost->enc = codec;
if (codec)
ost->opts = filter_codec_opts(codec_opts, codec->id, 1);
avcodec_get_context_defaults3(st->codec, codec);
@ -2335,13 +2341,14 @@ static int transcode(AVFormatContext **output_files,
memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
}
if (avcodec_open(ost->st->codec, codec) < 0) {
if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
ost->file_index, ost->index);
ret = AVERROR(EINVAL);
goto dump_format;
}
assert_codec_experimental(ost->st->codec, 1);
assert_avoptions(ost->opts);
extra_size += ost->st->codec->extradata_size;
}
}
@ -2370,13 +2377,14 @@ static int transcode(AVFormatContext **output_files,
}
}
if (avcodec_open(ist->st->codec, codec) < 0) {
if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
ist->file_index, ist->st->index);
ret = AVERROR(EINVAL);
goto dump_format;
}
assert_codec_experimental(ist->st->codec, 0);
assert_avoptions(ost->opts);
//if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
// ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
}
@ -2740,6 +2748,7 @@ static int transcode(AVFormatContext **output_files,
audio_resample_close(ost->resample);
if (ost->reformat_ctx)
av_audio_convert_free(ost->reformat_ctx);
av_dict_free(&ost->opts);
av_free(ost);
}
}
@ -3161,6 +3170,8 @@ static int opt_input_file(const char *opt, const char *filename)
int err, i, ret, rfps, rfps_base;
int64_t timestamp;
uint8_t buf[128];
AVDictionary **opts;
int orig_nb_streams; // number of streams before avformat_find_stream_info
if (last_asked_format) {
if (!(file_iformat = av_find_input_format(last_asked_format))) {
@ -3246,26 +3257,13 @@ static int opt_input_file(const char *opt, const char *filename)
ic->loop_input = loop_input;
}
/* Set AVCodecContext options so they will be seen by av_find_stream_info() */
for (i = 0; i < ic->nb_streams; i++) {
AVCodecContext *dec = ic->streams[i]->codec;
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,
NULL);
break;
case AVMEDIA_TYPE_VIDEO:
set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO],
AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM,
NULL);
break;
}
}
/* Set AVCodecContext options for avformat_find_stream_info */
opts = setup_find_stream_info_opts(ic);
orig_nb_streams = ic->nb_streams;
/* If not enough info to get the stream parameters, we decode the
first frames to get it. (used in mpeg case for example) */
ret = av_find_stream_info(ic);
ret = avformat_find_stream_info(ic, opts);
if (ret < 0 && verbose >= 0) {
fprintf(stderr, "%s: could not find codec parameters\n", filename);
av_close_input_file(ic);
@ -3301,6 +3299,7 @@ static int opt_input_file(const char *opt, const char *filename)
ist->st = st;
ist->file_index = nb_input_files;
ist->discard = 1;
ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, 0);
if (i < nb_ts_scale)
ist->ts_scale = ts_scale[i];
@ -3308,13 +3307,11 @@ static int opt_input_file(const char *opt, const char *filename)
switch (dec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
ist->dec = 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, ist->dec);
if(audio_disable)
st->discard= AVDISCARD_ALL;
break;
case AVMEDIA_TYPE_VIDEO:
ist->dec = 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, ist->dec);
rfps = ic->streams[i]->r_frame_rate.num;
rfps_base = ic->streams[i]->r_frame_rate.den;
if (dec->lowres) {
@ -3373,6 +3370,9 @@ static int opt_input_file(const char *opt, const char *filename)
av_freep(&ts_scale);
nb_ts_scale = 0;
for (i = 0; i < orig_nb_streams; i++)
av_dict_free(&opts[i]);
av_freep(&opts);
av_freep(&video_codec_name);
av_freep(&audio_codec_name);
av_freep(&subtitle_codec_name);
@ -3467,9 +3467,9 @@ static void new_video_stream(AVFormatContext *oc, int file_idx)
video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
}
video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
if (video_stream_copy) {
st->stream_copy = 1;
video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
video_enc->sample_aspect_ratio =
st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
} else {
@ -3479,7 +3479,6 @@ static void new_video_stream(AVFormatContext *oc, int file_idx)
if (frame_rate.num)
ost->frame_rate = frame_rate;
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, codec);
video_enc->width = frame_width;
video_enc->height = frame_height;
@ -3594,7 +3593,6 @@ static void new_audio_stream(AVFormatContext *oc, int file_idx)
st->stream_copy = 1;
} else {
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;
@ -3685,7 +3683,6 @@ static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
st->stream_copy = 1;
} else {
subtitle_enc->codec_id = codec_id;
set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
}
if (subtitle_language) {