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authorJames Almer <jamrial@gmail.com>2014-08-19 17:33:40 -0300
committerJames Almer <jamrial@gmail.com>2014-08-19 18:48:39 -0300
commit201a511bb9dd3c988e5c5ebd69811a6509909e8f (patch)
treea21a69c85f8a6d816b02a272d5e84e9a48d58721 /libavcodec/tiff.c
parentb4231b4fedc2250d6489f42dd79264c5aaa892f2 (diff)
lavc/tiff: add support for YUV deflate
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/tiff.c')
-rw-r--r--libavcodec/tiff.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index 980aaf1b82..2bb7c906c4 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -333,9 +333,9 @@ static int tiff_uncompress(uint8_t *dst, unsigned long *len, const uint8_t *src,
return zret == Z_STREAM_END ? Z_OK : zret;
}
-static int tiff_unpack_zlib(TiffContext *s, uint8_t *dst, int stride,
- const uint8_t *src, int size,
- int width, int lines)
+static int tiff_unpack_zlib(TiffContext *s, AVFrame *p, uint8_t *dst, int stride,
+ const uint8_t *src, int size, int width, int lines,
+ int strip_start, int is_yuv)
{
uint8_t *zbuf;
unsigned long outlen;
@@ -366,6 +366,10 @@ static int tiff_unpack_zlib(TiffContext *s, uint8_t *dst, int stride,
} else {
memcpy(dst, src, width);
}
+ if (is_yuv) {
+ unpack_yuv(s, p, dst, strip_start + line);
+ line += s->subsampling[1] - 1;
+ }
dst += stride;
src += width;
}
@@ -443,12 +447,9 @@ static int tiff_unpack_strip(TiffContext *s, AVFrame *p, uint8_t *dst, int strid
}
if (s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE) {
- if (is_yuv) {
- av_log(s->avctx, AV_LOG_ERROR, "YUV deflate is unsupported");
- return AVERROR_PATCHWELCOME;
- }
#if CONFIG_ZLIB
- return tiff_unpack_zlib(s, dst, stride, src, size, width, lines);
+ return tiff_unpack_zlib(s, p, dst, stride, src, size, width, lines,
+ strip_start, is_yuv);
#else
av_log(s->avctx, AV_LOG_ERROR,
"zlib support not enabled, "