virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

swscale: add unscaled copy from yuv420p10 to p010

Browse Source
This commit is contained in:
Timo Rothenpieler 2016-09-01 16:54:01 +02:00
parent 1c37be6e95
commit 39f75645c8
1 changed files with 44 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
libswscale/swscale_unscaled.c
View File

@ -197,6 +197,45 @@ static int nv12ToPlanarWrapper(SwsContext *c, const uint8_t *src[],
return srcSliceH;
}
static int planarToP010Wrapper(SwsContext *c, const uint8_t *src8[],
int srcStride[], int srcSliceY,
int srcSliceH, uint8_t *dstParam8[],
int dstStride[])
{
const uint16_t **src = (const uint16_t**)src8;
uint16_t *dstY = (uint16_t*)(dstParam8[0] + dstStride[0] * srcSliceY);
uint16_t *dstUV = (uint16_t*)(dstParam8[1] + dstStride[1] * srcSliceY / 2);
int x, y;
av_assert0(!(srcStride[0] % 2 || srcStride[1] % 2 || srcStride[2] % 2 ||
dstStride[0] % 2 || dstStride[1] % 2));
for (y = 0; y < srcSliceH; y++) {
uint16_t *tdstY = dstY;
const uint16_t *tsrc0 = src[0];
for (x = c->srcW; x > 0; x--) {
*tdstY++ = *tsrc0++ << 6;
}
src[0] += srcStride[0] / 2;
dstY += dstStride[0] / 2;
if (!(y & 1)) {
uint16_t *tdstUV = dstUV;
const uint16_t *tsrc1 = src[1];
const uint16_t *tsrc2 = src[2];
for (x = c->srcW / 2; x > 0; x--) {
*tdstUV++ = *tsrc1++ << 6;
*tdstUV++ = *tsrc2++ << 6;
}
src[1] += srcStride[1] / 2;
src[2] += srcStride[2] / 2;
dstUV += dstStride[1] / 2;
}
}
return srcSliceH;
}
static int planarToYuy2Wrapper(SwsContext *c, const uint8_t *src[],
int srcStride[], int srcSliceY, int srcSliceH,
uint8_t *dstParam[], int dstStride[])
@ -1601,6 +1640,11 @@ void ff_get_unscaled_swscale(SwsContext *c)
!(flags & SWS_ACCURATE_RND) && (c->dither == SWS_DITHER_BAYER || c->dither == SWS_DITHER_AUTO) && !(dstH & 1)) {
c->swscale = ff_yuv2rgb_get_func_ptr(c);
}
/* yuv420p10_to_p010 */
if ((srcFormat == AV_PIX_FMT_YUV420P10 || srcFormat == AV_PIX_FMT_YUVA420P10) &&
dstFormat == AV_PIX_FMT_P010) {
c->swscale = planarToP010Wrapper;
}
if (srcFormat == AV_PIX_FMT_YUV410P && !(dstH & 3) &&
(dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&