diff options
Diffstat (limited to 'libavcodec/tiff.c')
-rw-r--r-- | libavcodec/tiff.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index ffa5c6837a..683527bedf 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -1,28 +1,26 @@ /* - * TIFF image decoder * Copyright (c) 2006 Konstantin Shishkov * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** - * TIFF image decoder * @file - * @author Konstantin Shishkov + * TIFF image decoder */ #include "avcodec.h" #if CONFIG_ZLIB @@ -103,7 +101,7 @@ static int tiff_uncompress(uint8_t *dst, unsigned long *len, const uint8_t *src, static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uint8_t *src, int size, int lines){ int c, line, pixels, code; const uint8_t *ssrc = src; - int width = s->width * s->bpp >> 3; + int width = ((s->width * s->bpp) + 7) >> 3; #if CONFIG_ZLIB uint8_t *zbuf; unsigned long outlen; @@ -455,7 +453,8 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t * bp = buf + count / 3 * off * 2; off = (type_sizes[type] - 1) << 3; for(i = 0; i < count / 3; i++){ - j = (tget(&rp, type, s->le) >> off) << 16; + j = 0xff << 24; + j |= (tget(&rp, type, s->le) >> off) << 16; j |= (tget(&gp, type, s->le) >> off) << 8; j |= tget(&bp, type, s->le) >> off; pal[i] = j; @@ -475,6 +474,9 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t * if(s->compr == TIFF_G4) s->fax_opts = value; break; + + default: + av_log(s->avctx, AV_LOG_DEBUG, "Unknown or unsupported tag %d/0X%0X\n", tag, tag); } return 0; } |