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avutil/frame: Assert that width/height/channels is 0 for the destination of av_frame*_ref() 

This should detect caes where these functions are called in unclean destinations
This commit is contained in:
Michael Niedermayer 2016-03-08 18:44:34 +01:00
parent 3bc060f366
commit 13aae86a2b
1 changed files with 6 additions and 0 deletions
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6
libavutil/frame.c
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@ -375,6 +375,9 @@ int av_frame_ref(AVFrame *dst, const AVFrame *src)
{
int i, ret = 0;
av_assert1(dst->width == 0 && dst->height == 0);
av_assert1(dst->channels == 0);
dst->format = src->format;
dst->width = src->width;
dst->height = src->height;
@ -504,6 +507,9 @@ void av_frame_unref(AVFrame *frame)
void av_frame_move_ref(AVFrame *dst, AVFrame *src)
{
av_assert1(dst->width == 0 && dst->height == 0);
av_assert1(dst->channels == 0);
*dst = *src;
if (src->extended_data == src->data)
dst->extended_data = dst->data;