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add avcodec_get_context_defaults2() / avcodec_alloc_context2() which take CodecType as an additional parameter

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also mark them as NOT part of the public API yet, so we can change their argument to CodecID if we decide to do so

Originally committed as revision 8283 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2007-03-07 09:29:44 +00:00
parent 2d0aefd626
commit 29301573af
2 changed files with 27 additions and 4 deletions
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23
libavcodec/utils.c
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@ -731,12 +731,19 @@ static const AVOption options[]={
static AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options };
void avcodec_get_context_defaults(AVCodecContext *s){
void avcodec_get_context_defaults2(AVCodecContext *s, enum CodecType codec_type){
int flags=0;
memset(s, 0, sizeof(AVCodecContext));
s->av_class= &av_codec_context_class;
av_opt_set_defaults(s);
if(codec_type == CODEC_TYPE_AUDIO)
flags= AV_OPT_FLAG_AUDIO_PARAM;
else if(codec_type == CODEC_TYPE_VIDEO)
flags= AV_OPT_FLAG_VIDEO_PARAM;
else if(codec_type == CODEC_TYPE_SUBTITLE)
flags= AV_OPT_FLAG_SUBTITLE_PARAM;
av_opt_set_defaults2(s, flags, flags);
s->rc_eq= "tex^qComp";
s->time_base= (AVRational){0,1};
@ -752,16 +759,24 @@ void avcodec_get_context_defaults(AVCodecContext *s){
s->reget_buffer= avcodec_default_reget_buffer;
}
AVCodecContext *avcodec_alloc_context(void){
AVCodecContext *avcodec_alloc_context2(enum CodecType codec_type){
AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
if(avctx==NULL) return NULL;
avcodec_get_context_defaults(avctx);
avcodec_get_context_defaults2(avctx, codec_type);
return avctx;
}
void avcodec_get_context_defaults(AVCodecContext *s){
avcodec_get_context_defaults2(s, CODEC_TYPE_UNKNOWN);
}
AVCodecContext *avcodec_alloc_context(void){
return avcodec_alloc_context2(CODEC_TYPE_UNKNOWN);
}
void avcodec_get_frame_defaults(AVFrame *pic){
memset(pic, 0, sizeof(AVFrame));