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exr: support for reading pixelAspectRatio

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-07-09 00:51:22 +00:00
parent 16a433d68b
commit 07df939aa3
1 changed files with 11 additions and 0 deletions
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11
libavcodec/exr.c
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@ -300,6 +300,17 @@ static int decode_frame(AVCodecContext *avctx,
continue;
}
// Process the pixelAspectRatio variable
if (check_header_variable(avctx, &buf, buf_end, "pixelAspectRatio", "float", 31, &variable_buffer_data_size) >= 0) {
if (!variable_buffer_data_size)
return -1;
avctx->sample_aspect_ratio = av_d2q(av_int2float(AV_RL32(buf)), 255);
buf += variable_buffer_data_size;
continue;
}
// Process the compression variable
if (check_header_variable(avctx, &buf, buf_end, "compression", "compression", 29, &variable_buffer_data_size) >= 0) {
if (!variable_buffer_data_size)