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authorJoseph Artsimovich <joseph@mirriad.com>2012-08-23 14:51:28 +0100
committerMichael Niedermayer <michaelni@gmx.at>2012-08-23 20:09:57 +0200
commit628e6d0164febc8e69b0f10dfa487e8a2dd1a28a (patch)
treec3eaea24454efaf26f204ca5bc5905eacd9e2c23 /libavcodec/dnxhdenc.c
parent15acfa21fc783afc7f5da0bace5fddcff88d47e8 (diff)
Fix partially hidden macroblocks for 10-bit DNxHD.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/dnxhdenc.c')
-rw-r--r--libavcodec/dnxhdenc.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c
index 04284e3e3a..97013f6a94 100644
--- a/libavcodec/dnxhdenc.c
+++ b/libavcodec/dnxhdenc.c
@@ -71,13 +71,21 @@ static void dnxhd_8bit_get_pixels_8x4_sym(DCTELEM *restrict block, const uint8_t
static av_always_inline void dnxhd_10bit_get_pixels_8x4_sym(DCTELEM *restrict block, const uint8_t *pixels, int line_size)
{
int i;
-
- block += 32;
+ const uint16_t* pixels16 = pixels;
+ line_size >>= 1;
for (i = 0; i < 4; i++) {
- memcpy(block + i * 8, pixels + i * line_size, 8 * sizeof(*block));
- memcpy(block - (i+1) * 8, pixels + i * line_size, 8 * sizeof(*block));
+ block[0] = pixels16[0]; block[1] = pixels16[1];
+ block[2] = pixels16[2]; block[3] = pixels16[3];
+ block[4] = pixels16[4]; block[5] = pixels16[5];
+ block[6] = pixels16[6]; block[7] = pixels16[7];
+ pixels16 += line_size;
+ block += 8;
}
+ memcpy(block, block - 8, sizeof(*block) * 8);
+ memcpy(block + 8, block - 16, sizeof(*block) * 8);
+ memcpy(block + 16, block - 24, sizeof(*block) * 8);
+ memcpy(block + 24, block - 32, sizeof(*block) * 8);
}
static int dnxhd_10bit_dct_quantize(MpegEncContext *ctx, DCTELEM *block,