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libavcodec: Don't do av_free(av_malloc(0)) for bitstream filters

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This fixes crashes on exit when closing a bitstream filter that
hasn't allocated any private data, on OS X.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö
2012-02-08 15:01:13 +02:00
parent c57fe49da8
commit e7d4a2a721
1 changed files with 1 additions and 1 deletions
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libavcodec/bitstream_filter.c
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@@ -39,7 +39,7 @@ AVBitStreamFilterContext *av_bitstream_filter_init(const char *name){
if(!strcmp(name, bsf->name)){ if(!strcmp(name, bsf->name)){
AVBitStreamFilterContext *bsfc= av_mallocz(sizeof(AVBitStreamFilterContext)); AVBitStreamFilterContext *bsfc= av_mallocz(sizeof(AVBitStreamFilterContext));
bsfc->filter= bsf; bsfc->filter= bsf;
bsfc->priv_data= av_mallocz(bsf->priv_data_size); bsfc->priv_data = bsf->priv_data_size ? av_mallocz(bsf->priv_data_size) : NULL;
return bsfc; return bsfc;
} }
bsf= bsf->next; bsf= bsf->next;