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free all allocated metadata structures

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Originally committed as revision 16457 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2009-01-06 22:11:04 +00:00
parent 16cda1535e
commit 094d9df72e
4 changed files with 31 additions and 8 deletions
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8
ffmpeg.c
View File

@ -396,9 +396,17 @@ static int av_exit(int ret)
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
url_fclose(s->pb);
for(j=0;j<s->nb_streams;j++) {
av_metadata_free(&s->streams[j]->metadata);
av_free(s->streams[j]->codec);
av_free(s->streams[j]);
}
for(j=0;j<s->nb_programs;j++) {
av_metadata_free(&s->programs[j]->metadata);
}
for(j=0;j<s->nb_chapters;j++) {
av_metadata_free(&s->chapters[j]->metadata);
}
av_metadata_free(&s->metadata);
av_free(s);
}
for(i=0;i<nb_input_files;i++)

5
libavformat/avformat.h
View File

@ -93,6 +93,11 @@ av_metadata_get(AVMetadata *m, const char *key, const AVMetadataTag *prev, int f
*/
int av_metadata_set(AVMetadata **m, AVMetadataTag tag);
/**
* Free all the memory allocated for an AVMetadata struct.
*/
void av_metadata_free(AVMetadata **m);
/* packet functions */

14
libavformat/metadata.c
View File

@ -74,6 +74,20 @@ int av_metadata_set(AVMetadata **pm, AVMetadataTag elem)
return 0;
}
void av_metadata_free(AVMetadata **pm)
{
AVMetadata *m= *pm;
if(m){
while(m->count--){
av_free(m->elems[m->count].key);
av_free(m->elems[m->count].value);
}
av_free(m->elems);
}
av_freep(pm);
}
#if LIBAVFORMAT_VERSION_MAJOR < 53
#define FILL_METADATA(s, key, value) { \
if (value && *value && \

12
libavformat/utils.c
View File

@ -2285,6 +2285,7 @@ void av_close_input_stream(AVFormatContext *s)
if (st->parser) {
av_parser_close(st->parser);
}
av_metadata_free(&st->metadata);
av_free(st->index_entries);
av_free(st->codec->extradata);
av_free(st->codec);
@ -2295,6 +2296,7 @@ void av_close_input_stream(AVFormatContext *s)
for(i=s->nb_programs-1; i>=0; i--) {
av_freep(&s->programs[i]->provider_name);
av_freep(&s->programs[i]->name);
av_metadata_free(&s->programs[i]->metadata);
av_freep(&s->programs[i]->stream_index);
av_freep(&s->programs[i]);
}
@ -2303,17 +2305,11 @@ void av_close_input_stream(AVFormatContext *s)
av_freep(&s->priv_data);
while(s->nb_chapters--) {
av_free(s->chapters[s->nb_chapters]->title);
av_metadata_free(&s->chapters[s->nb_chapters]->metadata);
av_free(s->chapters[s->nb_chapters]);
}
av_freep(&s->chapters);
if(s->metadata){
while(s->metadata->count--){
av_freep(&s->metadata->elems[s->metadata->count].key);
av_freep(&s->metadata->elems[s->metadata->count].value);
}
av_freep(&s->metadata->elems);
}
av_freep(&s->metadata);
av_metadata_free(&s->metadata);
av_free(s);
}