This currently does fail due to bugs in swscale (already reported to
author of commit causing them)
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libswscale/swscale-test.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/libswscale/swscale-test.c b/libswscale/swscale-test.c
index 4d8d08b..bc02e6c 100644
--- a/libswscale/swscale-test.c
+++ b/libswscale/swscale-test.c
@@ -177,7 +177,22 @@ static int doTest(uint8_t *ref[4], int refStride[4], int
w, int h,
flags);
fflush(stdout);
- sws_scale(dstContext, (const uint8_t * const*)src, srcStride, 0, srcH,
dst, dstStride);
+int STEP = 16;
+ for (i = 0; i < srcH; i+=STEP) {
+ uint8_t *src_tmp[4] = {src[0], src[1], src[2], src[3]};
+
+ src_tmp[0] += srcStride[0] * i * STEP;
+ if (src_tmp[2]) {
+ int step = STEP >> desc_src->log2_chroma_h;
+ src_tmp[1] += srcStride[1] * i * step;
+ src_tmp[2] += srcStride[2] * i * step;
+ }
+ if (src_tmp[3])
+ src_tmp[3] += srcStride[3] * i * STEP;
+
+ sws_scale(dstContext, (const uint8_t * const*)src_tmp, srcStride, i,
FFMIN(srcH - i, STEP), dst, dstStride);
+ }
+
for (i = 0; i < 4 && dstStride[i]; i++)
crc = av_crc(av_crc_get_table(AV_CRC_32_IEEE), crc, dst[i],
--
1.7.9.5
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