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Factorize options context setting. 

Patch by Stefano Sabatini stefano sabatini-lala posteit

Originally committed as revision 13756 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2008-06-12 11:28:49 +00:00 committed by Benoit Fouet
parent a04aec6d1a
commit 3022cd10a5
1 changed files with 22 additions and 53 deletions
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75
ffmpeg.c
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@ -2688,6 +2688,19 @@ static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
return codec->id;
}
static void set_context_opts(void *ctx, void *opts_ctx, int flags)
{
int i;
for(i=0; i<opt_name_count; i++){
char buf[256];
const AVOption *opt;
const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
/* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
if(str && ((opt->flags & flags) == flags))
av_set_string(ctx, opt_names[i], str);
}
}
static void opt_input_file(const char *filename)
{
AVFormatContext *ic;
@ -2720,13 +2733,7 @@ static void opt_input_file(const char *filename)
if(pgmyuv_compatibility_hack)
ap->video_codec_id= CODEC_ID_PGMYUV;
for(i=0; i<opt_name_count; i++){
char buf[256];
const AVOption *opt;
const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
av_set_string(ic, opt_names[i], str);
}
set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
@ -2773,20 +2780,13 @@ static void opt_input_file(const char *filename)
/* update the current parameters so that they match the one of the input stream */
for(i=0;i<ic->nb_streams;i++) {
int j;
AVCodecContext *enc = ic->streams[i]->codec;
if(thread_count>1)
avcodec_thread_init(enc, thread_count);
enc->thread_count= thread_count;
switch(enc->codec_type) {
case CODEC_TYPE_AUDIO:
for(j=0; j<opt_name_count; j++){
char buf[256];
const AVOption *opt;
const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
av_set_string(enc, opt_names[j], str);
}
set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
//fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
audio_channels = enc->channels;
audio_sample_rate = enc->sample_rate;
@ -2794,13 +2794,7 @@ static void opt_input_file(const char *filename)
ic->streams[i]->discard= AVDISCARD_ALL;
break;
case CODEC_TYPE_VIDEO:
for(j=0; j<opt_name_count; j++){
char buf[256];
const AVOption *opt;
const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
av_set_string(enc, opt_names[j], str);
}
set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
frame_height = enc->height;
frame_width = enc->width;
frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
@ -2947,13 +2941,7 @@ static void new_video_stream(AVFormatContext *oc)
video_enc->codec_id = codec_id;
codec = avcodec_find_encoder(codec_id);
for(i=0; i<opt_name_count; i++){
char buf[256];
const AVOption *opt;
const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
av_set_string(video_enc, opt_names[i], str);
}
set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
video_enc->time_base.den = fps.num;
video_enc->time_base.num = fps.den;
@ -3057,7 +3045,7 @@ static void new_audio_stream(AVFormatContext *oc)
{
AVStream *st;
AVCodecContext *audio_enc;
int codec_id, i;
int codec_id;
st = av_new_stream(oc, oc->nb_streams);
if (!st) {
@ -3089,13 +3077,7 @@ static void new_audio_stream(AVFormatContext *oc)
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
for(i=0; i<opt_name_count; i++){
char buf[256];
const AVOption *opt;
const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
av_set_string(audio_enc, opt_names[i], str);
}
set_context_opts(audio_enc, avctx_opts[CODEC_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, CODEC_TYPE_AUDIO, 1);
@ -3126,7 +3108,6 @@ static void new_subtitle_stream(AVFormatContext *oc)
{
AVStream *st;
AVCodecContext *subtitle_enc;
int i;
st = av_new_stream(oc, oc->nb_streams);
if (!st) {
@ -3143,13 +3124,7 @@ static void new_subtitle_stream(AVFormatContext *oc)
if (subtitle_stream_copy) {
st->stream_copy = 1;
} else {
for(i=0; i<opt_name_count; i++){
char buf[256];
const AVOption *opt;
const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
av_set_string(subtitle_enc, opt_names[i], str);
}
set_context_opts(avctx_opts[CODEC_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, CODEC_TYPE_SUBTITLE, 1);
}
@ -3201,7 +3176,7 @@ static void opt_output_file(const char *filename)
{
AVFormatContext *oc;
int use_video, use_audio, use_subtitle;
int input_has_video, input_has_audio, input_has_subtitle, i;
int input_has_video, input_has_audio, input_has_subtitle;
AVFormatParameters params, *ap = &params;
if (!strcmp(filename, "-"))
@ -3339,13 +3314,7 @@ static void opt_output_file(const char *filename)
oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
oc->loop_output = loop_output;
for(i=0; i<opt_name_count; i++){
char buf[256];
const AVOption *opt;
const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
av_set_string(oc, opt_names[i], str);
}
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
/* reset some options */
file_oformat = NULL;