videolan/ffmpeg
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Fix decoding of 2/4 bpp Tiff samples.

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This commit is contained in:
Carl Eugen Hoyos 2011-09-07 00:17:02 +02:00
parent f863cdef81
commit d898ab9090
1 changed files with 3 additions and 3 deletions
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6
libavcodec/tiff.c
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@ -294,8 +294,8 @@ static int init_image(TiffContext *s)
} else {
/* make default grayscale pal */
pal = (uint32_t *) s->picture.data[1];
for (i = 0; i < 256; i++)
pal[i] = i * 0x010101;
for (i = 0; i < 1<<s->bpp; i++)
pal[i] = i * 255 / ((1<<s->bpp) - 1) * 0x010101;
}
}
return 0;
@ -615,7 +615,7 @@ static int decode_frame(AVCodecContext *avctx,
src = s->picture.data[0];
for(j = 0; j < s->height; j++){
for(i = 0; i < s->picture.linesize[0]; i++)
src[i] = 255 - src[i];
src[i] = (s->avctx->pix_fmt == PIX_FMT_PAL8 ? (1<<s->bpp) - 1 : 255) - src[i];
src += s->picture.linesize[0];
}
}