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h264_metadata: Fix memory leak on multiple display orientation messages

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Fixes CID #1430176.
This commit is contained in:
Mark Thompson 2018-03-19 23:12:01 +00:00
parent e5b4cd4c4a
commit 1c49365c62
1 changed files with 4 additions and 0 deletions
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4
libavcodec/h264_metadata_bsf.c
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@ -437,6 +437,10 @@ static int h264_metadata_filter(AVBSFContext *bsf, AVPacket *out)
180.0 / 65536.0);
av_display_matrix_flip(matrix, disp->hor_flip, disp->ver_flip);
// If there are multiple display orientation messages in an
// access unit then ignore all but the last one.
av_freep(&displaymatrix_side_data);
displaymatrix_side_data = (uint8_t*)matrix;
displaymatrix_side_data_size = 9 * sizeof(int32_t);
}