From 4392b3d11e9f4b89a53f001ea8576e7da7801b08 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 31 Dec 2011 04:49:33 +0100 Subject: [PATCH] tiffdec: hotfix for fate failure. Only use pal8 as output if the file has a palette or more than 2 colors. Signed-off-by: Michael Niedermayer --- libavcodec/tiff.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index c313bd7e4a..b353677087 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -161,7 +161,11 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uin } src = zbuf; for(line = 0; line < lines; line++){ - horizontal_fill(s->bpp, dst, 1, src, 0, width, 0); + if(s->bpp < 8 && s->avctx->pix_fmt == PIX_FMT_PAL8){ + horizontal_fill(s->bpp, dst, 1, src, 0, width, 0); + }else{ + memcpy(dst, src, width); + } dst += stride; src += width; } @@ -202,7 +206,7 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uin ret = ff_ccitt_unpack(s->avctx, src2, size, dst, lines, stride, s->compr, s->fax_opts); break; } - if (s->bpp < 8) + if (s->bpp < 8 && s->avctx->pix_fmt == PIX_FMT_PAL8) for (line = 0; line < lines; line++) { horizontal_fill(s->bpp, dst, 1, dst, 0, width, 0); dst += stride; @@ -258,7 +262,7 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uin av_log(s->avctx, AV_LOG_ERROR, "Decoded only %i bytes of %i\n", pixels, width); return -1; } - if (s->bpp < 8) + if (s->bpp < 8 && s->avctx->pix_fmt == PIX_FMT_PAL8) horizontal_fill(s->bpp, dst, 1, dst, 0, width, 0); break; } @@ -274,6 +278,10 @@ static int init_image(TiffContext *s) switch (s->bpp * 10 + s->bppcount) { case 11: + if (!s->palette_is_set) { + s->avctx->pix_fmt = PIX_FMT_MONOBLACK; + break; + } case 21: case 41: case 81: