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gifdec: read pixel aspect ratio 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-12-01 12:36:16 +00:00
parent ddd87236f0
commit 49435d3888
1 changed files with 5 additions and 1 deletions
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6
libavcodec/gifdec.c
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@ -387,7 +387,11 @@ static int gif_read_header1(GifState *s)
s->has_global_palette = (v & 0x80);
s->bits_per_pixel = (v & 0x07) + 1;
background_color_index = bytestream_get_byte(&s->bytestream);
bytestream_get_byte(&s->bytestream); /* ignored */
n = bytestream_get_byte(&s->bytestream);
if (n) {
s->avctx->sample_aspect_ratio.num = n + 15;
s->avctx->sample_aspect_ratio.den = 64;
}
av_dlog(s->avctx, "screen_w=%d screen_h=%d bpp=%d global_palette=%d\n",
s->screen_width, s->screen_height, s->bits_per_pixel,