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avformat/movenc: avoid using uninitialized display_matrix_size
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -2302,7 +2302,7 @@ static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
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display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
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display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
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&display_matrix_size);
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&display_matrix_size);
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if (display_matrix_size < 9 * sizeof(*display_matrix))
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if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
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display_matrix = NULL;
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display_matrix = NULL;
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}
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}
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