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| author | Timo Rothenpieler <timo@rothenpieler.org> | 2016-09-01 16:54:01 +0200 |
|---|---|---|
| committer | Timo Rothenpieler <timo@rothenpieler.org> | 2016-09-03 00:09:39 +0200 |
| commit | 39f75645c801974bd6e325688f72d4626610f356 (patch) | |
| tree | 5657d62369722180f9e3886bd67c9866c0a08897 /libswscale | |
| parent | 1c37be6e95ba2b6050502839eb73ca5b3809b71c (diff) | |
| download | ffmpeg-streaming-39f75645c801974bd6e325688f72d4626610f356.zip ffmpeg-streaming-39f75645c801974bd6e325688f72d4626610f356.tar.gz | |
swscale: add unscaled copy from yuv420p10 to p010
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/swscale_unscaled.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c index 8df0694..ca7374a 100644 --- a/libswscale/swscale_unscaled.c +++ b/libswscale/swscale_unscaled.c @@ -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) && |
