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pcx: read sample aspect ratio

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-10-11 10:38:48 +00:00
parent 92b3d8bc53
commit f2f711cde2
1 changed files with 3 additions and 1 deletions
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4
libavcodec/pcx.c
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@ -102,6 +102,8 @@ static int pcx_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
ymin = bytestream2_get_le16u(&gb);
xmax = bytestream2_get_le16u(&gb);
ymax = bytestream2_get_le16u(&gb);
avctx->sample_aspect_ratio.num = bytestream2_get_le16u(&gb);
avctx->sample_aspect_ratio.den = bytestream2_get_le16u(&gb);
if (xmax < xmin || ymax < ymin) {
av_log(avctx, AV_LOG_ERROR, "invalid image dimensions\n");
@ -111,7 +113,7 @@ static int pcx_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
w = xmax - xmin + 1;
h = ymax - ymin + 1;
bytestream2_skipu(&gb, 53);
bytestream2_skipu(&gb, 49);
nplanes = bytestream2_get_byteu(&gb);
bytes_per_line = bytestream2_get_le16u(&gb);
bytes_per_scanline = nplanes * bytes_per_line;