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Fix partially hidden macroblocks for 10-bit DNxHD.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Joseph Artsimovich 2012-08-23 14:51:28 +01:00 committed by Michael Niedermayer
parent 15acfa21fc
commit 628e6d0164
1 changed files with 12 additions and 4 deletions
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16
libavcodec/dnxhdenc.c
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@ -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,