diff options
| author | Ronald S. Bultje <rsbultje@gmail.com> | 2011-07-08 14:52:52 -0700 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-07-11 03:51:46 +0200 |
| commit | ac9ac45aca7d3114dc790f794b49f066b4178827 (patch) | |
| tree | c7cbdad529627429c8837dacc2488aae12b79681 /libswscale/x86/swscale_template.c | |
| parent | 08b57574c6a1bde51576f42546b7b9f8c03f9297 (diff) | |
swscale: fix 16-bit scaling when output is 8-bits.
We would use the second half of the U plane buffer, rather than the
V plane buffer, to output the V plane pixels.
Diffstat (limited to 'libswscale/x86/swscale_template.c')
| -rw-r--r-- | libswscale/x86/swscale_template.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/libswscale/x86/swscale_template.c b/libswscale/x86/swscale_template.c index 84b8deae33..23bc5148c7 100644 --- a/libswscale/x86/swscale_template.c +++ b/libswscale/x86/swscale_template.c @@ -83,7 +83,7 @@ static void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter, *aDest = CONFIG_SWSCALE_ALPHA ? dest[3] : NULL; if (uDest) { - x86_reg uv_off = c->uv_off; + x86_reg uv_off = c->uv_offx2 >> 1; for(i=0; i<8; i++) c->dither16[i] = chrDither[i]>>4; YSCALEYUV2YV12X(CHR_MMX_FILTER_OFFSET, uDest, chrDstW, 0) for(i=0; i<8; i++) c->dither16[i] = chrDither[(i+3)&7]>>4; @@ -170,7 +170,7 @@ static void RENAME(yuv2yuvX_ar)(SwsContext *c, const int16_t *lumFilter, *aDest = CONFIG_SWSCALE_ALPHA ? dest[3] : NULL; if (uDest) { - x86_reg uv_off = c->uv_off; + x86_reg uv_off = c->uv_offx2 >> 1; for(i=0; i<8; i++) c->dither32[i] = chrDither[i]<<12; YSCALEYUV2YV12X_ACCURATE(CHR_MMX_FILTER_OFFSET, uDest, chrDstW, 0) for(i=0; i<8; i++) c->dither32[i] = chrDither[(i+3)&7]<<12; @@ -485,7 +485,7 @@ static void RENAME(yuv2rgb32_X_ar)(SwsContext *c, const int16_t *lumFilter, { x86_reg dummy=0; x86_reg dstW_reg = dstW; - x86_reg uv_off = c->uv_off << 1; + x86_reg uv_off = c->uv_offx2; if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) { YSCALEYUV2PACKEDX_ACCURATE @@ -518,7 +518,7 @@ static void RENAME(yuv2rgb32_X)(SwsContext *c, const int16_t *lumFilter, { x86_reg dummy=0; x86_reg dstW_reg = dstW; - x86_reg uv_off = c->uv_off << 1; + x86_reg uv_off = c->uv_offx2; if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) { YSCALEYUV2PACKEDX @@ -575,7 +575,7 @@ static void RENAME(yuv2rgb565_X_ar)(SwsContext *c, const int16_t *lumFilter, { x86_reg dummy=0; x86_reg dstW_reg = dstW; - x86_reg uv_off = c->uv_off << 1; + x86_reg uv_off = c->uv_offx2; YSCALEYUV2PACKEDX_ACCURATE YSCALEYUV2RGBX @@ -599,7 +599,7 @@ static void RENAME(yuv2rgb565_X)(SwsContext *c, const int16_t *lumFilter, { x86_reg dummy=0; x86_reg dstW_reg = dstW; - x86_reg uv_off = c->uv_off << 1; + x86_reg uv_off = c->uv_offx2; YSCALEYUV2PACKEDX YSCALEYUV2RGBX @@ -652,7 +652,7 @@ static void RENAME(yuv2rgb555_X_ar)(SwsContext *c, const int16_t *lumFilter, { x86_reg dummy=0; x86_reg dstW_reg = dstW; - x86_reg uv_off = c->uv_off << 1; + x86_reg uv_off = c->uv_offx2; YSCALEYUV2PACKEDX_ACCURATE YSCALEYUV2RGBX @@ -676,7 +676,7 @@ static void RENAME(yuv2rgb555_X)(SwsContext *c, const int16_t *lumFilter, { x86_reg dummy=0; x86_reg dstW_reg = dstW; - x86_reg uv_off = c->uv_off << 1; + x86_reg uv_off = c->uv_offx2; YSCALEYUV2PACKEDX YSCALEYUV2RGBX @@ -809,7 +809,7 @@ static void RENAME(yuv2bgr24_X_ar)(SwsContext *c, const int16_t *lumFilter, { x86_reg dummy=0; x86_reg dstW_reg = dstW; - x86_reg uv_off = c->uv_off << 1; + x86_reg uv_off = c->uv_offx2; YSCALEYUV2PACKEDX_ACCURATE YSCALEYUV2RGBX @@ -833,7 +833,7 @@ static void RENAME(yuv2bgr24_X)(SwsContext *c, const int16_t *lumFilter, { x86_reg dummy=0; x86_reg dstW_reg = dstW; - x86_reg uv_off = c->uv_off << 1; + x86_reg uv_off = c->uv_offx2; YSCALEYUV2PACKEDX YSCALEYUV2RGBX @@ -874,7 +874,7 @@ static void RENAME(yuv2yuyv422_X_ar)(SwsContext *c, const int16_t *lumFilter, { x86_reg dummy=0; x86_reg dstW_reg = dstW; - x86_reg uv_off = c->uv_off << 1; + x86_reg uv_off = c->uv_offx2; YSCALEYUV2PACKEDX_ACCURATE /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ @@ -895,7 +895,7 @@ static void RENAME(yuv2yuyv422_X)(SwsContext *c, const int16_t *lumFilter, { x86_reg dummy=0; x86_reg dstW_reg = dstW; - x86_reg uv_off = c->uv_off << 1; + x86_reg uv_off = c->uv_offx2; YSCALEYUV2PACKEDX /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */ |