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lavf: factor ff_free_stream() out 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-08-21 06:13:54 +02:00
parent 3ac754b93b
commit 85a576775e
2 changed files with 23 additions and 16 deletions
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2
libavformat/internal.h
View File

@ -344,4 +344,6 @@ int ff_read_packet(AVFormatContext *s, AVPacket *pkt);
int ff_interleave_packet_per_dts(AVFormatContext *s, AVPacket *out,
AVPacket *pkt, int flush);
void ff_free_stream(AVFormatContext *s, AVStream *st);
#endif /* AVFORMAT_INTERNAL_H */

37
libavformat/utils.c
View File

@ -2996,6 +2996,25 @@ int av_read_pause(AVFormatContext *s)
return AVERROR(ENOSYS);
}
void ff_free_stream(AVFormatContext *s, AVStream *st){
av_assert0(s->nb_streams>0);
av_assert0(s->streams[ s->nb_streams-1 ] == st);
if (st->parser) {
av_parser_close(st->parser);
}
if (st->attached_pic.data)
av_free_packet(&st->attached_pic);
av_dict_free(&st->metadata);
av_freep(&st->index_entries);
av_freep(&st->codec->extradata);
av_freep(&st->codec->subtitle_header);
av_freep(&st->codec);
av_freep(&st->priv_data);
av_freep(&st->info);
av_freep(&s->streams[ --s->nb_streams ]);
}
void avformat_free_context(AVFormatContext *s)
{
int i;
@ -3005,22 +3024,8 @@ void avformat_free_context(AVFormatContext *s)
if (s->iformat && s->iformat->priv_class && s->priv_data)
av_opt_free(s->priv_data);
for(i=0;i<s->nb_streams;i++) {
/* free all data in a stream component */
st = s->streams[i];
if (st->parser) {
av_parser_close(st->parser);
}
if (st->attached_pic.data)
av_free_packet(&st->attached_pic);
av_dict_free(&st->metadata);
av_freep(&st->index_entries);
av_freep(&st->codec->extradata);
av_freep(&st->codec->subtitle_header);
av_freep(&st->codec);
av_freep(&st->priv_data);
av_freep(&st->info);
av_freep(&st);
for(i=s->nb_streams-1; i>=0; i--) {
ff_free_stream(s, s->streams[i]);
}
for(i=s->nb_programs-1; i>=0; i--) {
av_dict_free(&s->programs[i]->metadata);