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@ -33,6 +33,7 @@ |
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#include "libavutil/bswap.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/avassert.h" |
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#include "libavutil/avconfig.h" |
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DECLARE_ALIGNED(8, static const uint8_t, dithers)[8][8][8]={ |
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{ |
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@ -236,6 +237,57 @@ static int planarToP010Wrapper(SwsContext *c, const uint8_t *src8[], |
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return srcSliceH; |
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} |
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#if AV_HAVE_BIGENDIAN |
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#define output_pixel(p, v) do { \ |
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uint16_t *pp = (p); \
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AV_WL16(pp, (v)); \
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} while(0) |
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#else |
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#define output_pixel(p, v) (*p) = (v) |
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#endif |
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static int planar8ToP01xleWrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, |
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int srcSliceH, uint8_t *dstParam8[], |
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int dstStride[]) |
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{ |
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uint16_t *dstY = (uint16_t*)(dstParam8[0] + dstStride[0] * srcSliceY); |
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uint16_t *dstUV = (uint16_t*)(dstParam8[1] + dstStride[1] * srcSliceY / 2); |
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int x, y, t; |
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av_assert0(!(dstStride[0] % 2 || dstStride[1] % 2)); |
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for (y = 0; y < srcSliceH; y++) { |
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uint16_t *tdstY = dstY; |
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const uint8_t *tsrc0 = src[0]; |
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for (x = c->srcW; x > 0; x--) { |
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t = *tsrc0++; |
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output_pixel(tdstY++, t | (t << 8)); |
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} |
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src[0] += srcStride[0]; |
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dstY += dstStride[0] / 2; |
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if (!(y & 1)) { |
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uint16_t *tdstUV = dstUV; |
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const uint8_t *tsrc1 = src[1]; |
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const uint8_t *tsrc2 = src[2]; |
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for (x = c->srcW / 2; x > 0; x--) { |
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t = *tsrc1++; |
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output_pixel(tdstUV++, t | (t << 8)); |
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t = *tsrc2++; |
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output_pixel(tdstUV++, t | (t << 8)); |
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} |
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src[1] += srcStride[1]; |
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src[2] += srcStride[2]; |
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dstUV += dstStride[1] / 2; |
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} |
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} |
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return srcSliceH; |
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} |
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#undef output_pixel |
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static int planarToYuy2Wrapper(SwsContext *c, const uint8_t *src[], |
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int srcStride[], int srcSliceY, int srcSliceH, |
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uint8_t *dstParam[], int dstStride[]) |
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@ -1653,6 +1705,11 @@ void ff_get_unscaled_swscale(SwsContext *c) |
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dstFormat == AV_PIX_FMT_P010) { |
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c->swscale = planarToP010Wrapper; |
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} |
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/* yuv420p_to_p010le */ |
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if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) && |
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dstFormat == AV_PIX_FMT_P010LE) { |
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c->swscale = planar8ToP01xleWrapper; |
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} |
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if (srcFormat == AV_PIX_FMT_YUV410P && !(dstH & 3) && |
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(dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) && |
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Timo Rothenpieler
8 years ago