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tiffdec: notify user that tile support is missing

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Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
This commit is contained in:
Paul B Mahol 2012-01-10 18:45:44 +00:00 committed by Stefano Sabatini
parent c3ff0713ef
commit 98dfdfdd8e
2 changed files with 11 additions and 0 deletions
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7
libavcodec/tiff.c
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@ -485,6 +485,13 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
return -1;
}
break;
case TIFF_TILE_BYTE_COUNTS:
case TIFF_TILE_LENGTH:
case TIFF_TILE_OFFSETS:
case TIFF_TILE_WIDTH:
av_log(s->avctx, AV_LOG_ERROR, "Tiled images are not supported\n");
return AVERROR_PATCHWELCOME;
break;
case TIFF_PREDICTOR:
s->predictor = value;
break;

4
libavcodec/tiff.h
View File

@ -56,6 +56,10 @@ enum TiffTags{
TIFF_SOFTWARE_NAME = 0x131,
TIFF_PREDICTOR = 0x13D,
TIFF_PAL = 0x140,
TIFF_TILE_WIDTH = 0x142,
TIFF_TILE_LENGTH = 0x143,
TIFF_TILE_OFFSETS = 0x144,
TIFF_TILE_BYTE_COUNTS = 0x145,
TIFF_YCBCR_COEFFICIENTS = 0x211,
TIFF_YCBCR_SUBSAMPLING = 0x212,
TIFF_YCBCR_POSITIONING = 0x213,