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Diffstat (limited to 'libfreerdp/primitives/prim_YUV_neon.c')
-rw-r--r--libfreerdp/primitives/prim_YUV_neon.c751
1 files changed, 751 insertions, 0 deletions
diff --git a/libfreerdp/primitives/prim_YUV_neon.c b/libfreerdp/primitives/prim_YUV_neon.c
new file mode 100644
index 0000000..5e2039e
--- /dev/null
+++ b/libfreerdp/primitives/prim_YUV_neon.c
@@ -0,0 +1,751 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * Optimized YUV/RGB conversion operations
+ *
+ * Copyright 2014 Thomas Erbesdobler
+ * Copyright 2016-2017 Armin Novak <armin.novak@thincast.com>
+ * Copyright 2016-2017 Norbert Federa <norbert.federa@thincast.com>
+ * Copyright 2016-2017 Thincast Technologies GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <freerdp/config.h>
+
+#include <winpr/sysinfo.h>
+#include <winpr/crt.h>
+#include <freerdp/types.h>
+#include <freerdp/primitives.h>
+
+#include "prim_internal.h"
+
+#if !defined(WITH_NEON)
+#error "This file must only be included if WITH_NEON is active!"
+#endif
+
+#include <arm_neon.h>
+
+static primitives_t* generic = NULL;
+
+static INLINE uint8x8_t neon_YUV2R(int32x4_t Ch, int32x4_t Cl, int16x4_t Dh, int16x4_t Dl,
+ int16x4_t Eh, int16x4_t El)
+{
+ /* R = (256 * Y + 403 * (V - 128)) >> 8 */
+ const int16x4_t c403 = vdup_n_s16(403);
+ const int32x4_t CEh = vmlal_s16(Ch, Eh, c403);
+ const int32x4_t CEl = vmlal_s16(Cl, El, c403);
+ const int32x4_t Rh = vrshrq_n_s32(CEh, 8);
+ const int32x4_t Rl = vrshrq_n_s32(CEl, 8);
+ const int16x8_t R = vcombine_s16(vqmovn_s32(Rl), vqmovn_s32(Rh));
+ return vqmovun_s16(R);
+}
+
+static INLINE uint8x8_t neon_YUV2G(int32x4_t Ch, int32x4_t Cl, int16x4_t Dh, int16x4_t Dl,
+ int16x4_t Eh, int16x4_t El)
+{
+ /* G = (256L * Y - 48 * (U - 128) - 120 * (V - 128)) >> 8 */
+ const int16x4_t c48 = vdup_n_s16(48);
+ const int16x4_t c120 = vdup_n_s16(120);
+ const int32x4_t CDh = vmlsl_s16(Ch, Dh, c48);
+ const int32x4_t CDl = vmlsl_s16(Cl, Dl, c48);
+ const int32x4_t CDEh = vmlsl_s16(CDh, Eh, c120);
+ const int32x4_t CDEl = vmlsl_s16(CDl, El, c120);
+ const int32x4_t Gh = vrshrq_n_s32(CDEh, 8);
+ const int32x4_t Gl = vrshrq_n_s32(CDEl, 8);
+ const int16x8_t G = vcombine_s16(vqmovn_s32(Gl), vqmovn_s32(Gh));
+ return vqmovun_s16(G);
+}
+
+static INLINE uint8x8_t neon_YUV2B(int32x4_t Ch, int32x4_t Cl, int16x4_t Dh, int16x4_t Dl,
+ int16x4_t Eh, int16x4_t El)
+{
+ /* B = (256L * Y + 475 * (U - 128)) >> 8*/
+ const int16x4_t c475 = vdup_n_s16(475);
+ const int32x4_t CDh = vmlal_s16(Ch, Dh, c475);
+ const int32x4_t CDl = vmlal_s16(Ch, Dl, c475);
+ const int32x4_t Bh = vrshrq_n_s32(CDh, 8);
+ const int32x4_t Bl = vrshrq_n_s32(CDl, 8);
+ const int16x8_t B = vcombine_s16(vqmovn_s32(Bl), vqmovn_s32(Bh));
+ return vqmovun_s16(B);
+}
+
+static INLINE BYTE* neon_YuvToRgbPixel(BYTE* pRGB, int16x8_t Y, int16x8_t D, int16x8_t E,
+ const uint8_t rPos, const uint8_t gPos, const uint8_t bPos,
+ const uint8_t aPos)
+{
+ uint8x8x4_t bgrx;
+ const int32x4_t Ch = vmulq_n_s32(vmovl_s16(vget_high_s16(Y)), 256); /* Y * 256 */
+ const int32x4_t Cl = vmulq_n_s32(vmovl_s16(vget_low_s16(Y)), 256); /* Y * 256 */
+ const int16x4_t Dh = vget_high_s16(D);
+ const int16x4_t Dl = vget_low_s16(D);
+ const int16x4_t Eh = vget_high_s16(E);
+ const int16x4_t El = vget_low_s16(E);
+ {
+ /* B = (256L * Y + 475 * (U - 128)) >> 8*/
+ const int16x4_t c475 = vdup_n_s16(475);
+ const int32x4_t CDh = vmlal_s16(Ch, Dh, c475);
+ const int32x4_t CDl = vmlal_s16(Cl, Dl, c475);
+ const int32x4_t Bh = vrshrq_n_s32(CDh, 8);
+ const int32x4_t Bl = vrshrq_n_s32(CDl, 8);
+ const int16x8_t B = vcombine_s16(vqmovn_s32(Bl), vqmovn_s32(Bh));
+ bgrx.val[bPos] = vqmovun_s16(B);
+ }
+ {
+ /* G = (256L * Y - 48 * (U - 128) - 120 * (V - 128)) >> 8 */
+ const int16x4_t c48 = vdup_n_s16(48);
+ const int16x4_t c120 = vdup_n_s16(120);
+ const int32x4_t CDh = vmlsl_s16(Ch, Dh, c48);
+ const int32x4_t CDl = vmlsl_s16(Cl, Dl, c48);
+ const int32x4_t CDEh = vmlsl_s16(CDh, Eh, c120);
+ const int32x4_t CDEl = vmlsl_s16(CDl, El, c120);
+ const int32x4_t Gh = vrshrq_n_s32(CDEh, 8);
+ const int32x4_t Gl = vrshrq_n_s32(CDEl, 8);
+ const int16x8_t G = vcombine_s16(vqmovn_s32(Gl), vqmovn_s32(Gh));
+ bgrx.val[gPos] = vqmovun_s16(G);
+ }
+ {
+ /* R = (256 * Y + 403 * (V - 128)) >> 8 */
+ const int16x4_t c403 = vdup_n_s16(403);
+ const int32x4_t CEh = vmlal_s16(Ch, Eh, c403);
+ const int32x4_t CEl = vmlal_s16(Cl, El, c403);
+ const int32x4_t Rh = vrshrq_n_s32(CEh, 8);
+ const int32x4_t Rl = vrshrq_n_s32(CEl, 8);
+ const int16x8_t R = vcombine_s16(vqmovn_s32(Rl), vqmovn_s32(Rh));
+ bgrx.val[rPos] = vqmovun_s16(R);
+ }
+ {
+ /* A */
+ bgrx.val[aPos] = vdup_n_u8(0xFF);
+ }
+ vst4_u8(pRGB, bgrx);
+ pRGB += 32;
+ return pRGB;
+}
+
+static INLINE pstatus_t neon_YUV420ToX(const BYTE* const WINPR_RESTRICT pSrc[3],
+ const UINT32 srcStep[3], BYTE* WINPR_RESTRICT pDst,
+ UINT32 dstStep, const prim_size_t* WINPR_RESTRICT roi,
+ const uint8_t rPos, const uint8_t gPos, const uint8_t bPos,
+ const uint8_t aPos)
+{
+ const UINT32 nWidth = roi->width;
+ const UINT32 nHeight = roi->height;
+ const DWORD pad = nWidth % 16;
+ const UINT32 yPad = srcStep[0] - roi->width;
+ const UINT32 uPad = srcStep[1] - roi->width / 2;
+ const UINT32 vPad = srcStep[2] - roi->width / 2;
+ const UINT32 dPad = dstStep - roi->width * 4;
+ const int16x8_t c128 = vdupq_n_s16(128);
+
+ for (UINT32 y = 0; y < nHeight; y += 2)
+ {
+ const uint8_t* pY1 = pSrc[0] + y * srcStep[0];
+ const uint8_t* pY2 = pY1 + srcStep[0];
+ const uint8_t* pU = pSrc[1] + (y / 2) * srcStep[1];
+ const uint8_t* pV = pSrc[2] + (y / 2) * srcStep[2];
+ uint8_t* pRGB1 = pDst + y * dstStep;
+ uint8_t* pRGB2 = pRGB1 + dstStep;
+ const BOOL lastY = y >= nHeight - 1;
+
+ for (UINT32 x = 0; x < nWidth - pad;)
+ {
+ const uint8x8_t Uraw = vld1_u8(pU);
+ const uint8x8x2_t Uu = vzip_u8(Uraw, Uraw);
+ const int16x8_t U1 = vreinterpretq_s16_u16(vmovl_u8(Uu.val[0]));
+ const int16x8_t U2 = vreinterpretq_s16_u16(vmovl_u8(Uu.val[1]));
+ const uint8x8_t Vraw = vld1_u8(pV);
+ const uint8x8x2_t Vu = vzip_u8(Vraw, Vraw);
+ const int16x8_t V1 = vreinterpretq_s16_u16(vmovl_u8(Vu.val[0]));
+ const int16x8_t V2 = vreinterpretq_s16_u16(vmovl_u8(Vu.val[1]));
+ const int16x8_t D1 = vsubq_s16(U1, c128);
+ const int16x8_t E1 = vsubq_s16(V1, c128);
+ const int16x8_t D2 = vsubq_s16(U2, c128);
+ const int16x8_t E2 = vsubq_s16(V2, c128);
+ {
+ const uint8x8_t Y1u = vld1_u8(pY1);
+ const int16x8_t Y1 = vreinterpretq_s16_u16(vmovl_u8(Y1u));
+ pRGB1 = neon_YuvToRgbPixel(pRGB1, Y1, D1, E1, rPos, gPos, bPos, aPos);
+ pY1 += 8;
+ x += 8;
+ }
+ {
+ const uint8x8_t Y1u = vld1_u8(pY1);
+ const int16x8_t Y1 = vreinterpretq_s16_u16(vmovl_u8(Y1u));
+ pRGB1 = neon_YuvToRgbPixel(pRGB1, Y1, D2, E2, rPos, gPos, bPos, aPos);
+ pY1 += 8;
+ x += 8;
+ }
+
+ if (!lastY)
+ {
+ {
+ const uint8x8_t Y2u = vld1_u8(pY2);
+ const int16x8_t Y2 = vreinterpretq_s16_u16(vmovl_u8(Y2u));
+ pRGB2 = neon_YuvToRgbPixel(pRGB2, Y2, D1, E1, rPos, gPos, bPos, aPos);
+ pY2 += 8;
+ }
+ {
+ const uint8x8_t Y2u = vld1_u8(pY2);
+ const int16x8_t Y2 = vreinterpretq_s16_u16(vmovl_u8(Y2u));
+ pRGB2 = neon_YuvToRgbPixel(pRGB2, Y2, D2, E2, rPos, gPos, bPos, aPos);
+ pY2 += 8;
+ }
+ }
+
+ pU += 8;
+ pV += 8;
+ }
+
+ for (; x < nWidth; x++)
+ {
+ const BYTE U = *pU;
+ const BYTE V = *pV;
+ {
+ const BYTE Y = *pY1++;
+ const BYTE r = YUV2R(Y, U, V);
+ const BYTE g = YUV2G(Y, U, V);
+ const BYTE b = YUV2B(Y, U, V);
+ pRGB1[aPos] = 0xFF;
+ pRGB1[rPos] = r;
+ pRGB1[gPos] = g;
+ pRGB1[bPos] = b;
+ pRGB1 += 4;
+ }
+
+ if (!lastY)
+ {
+ const BYTE Y = *pY2++;
+ const BYTE r = YUV2R(Y, U, V);
+ const BYTE g = YUV2G(Y, U, V);
+ const BYTE b = YUV2B(Y, U, V);
+ pRGB2[aPos] = 0xFF;
+ pRGB2[rPos] = r;
+ pRGB2[gPos] = g;
+ pRGB2[bPos] = b;
+ pRGB2 += 4;
+ }
+
+ if (x % 2)
+ {
+ pU++;
+ pV++;
+ }
+ }
+
+ pRGB1 += dPad;
+ pRGB2 += dPad;
+ pY1 += yPad;
+ pY2 += yPad;
+ pU += uPad;
+ pV += vPad;
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static pstatus_t neon_YUV420ToRGB_8u_P3AC4R(const BYTE* WINPR_RESTRICT const pSrc[3],
+ const UINT32 srcStep[3], BYTE* WINPR_RESTRICT pDst,
+ UINT32 dstStep, UINT32 DstFormat,
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ switch (DstFormat)
+ {
+ case PIXEL_FORMAT_BGRA32:
+ case PIXEL_FORMAT_BGRX32:
+ return neon_YUV420ToX(pSrc, srcStep, pDst, dstStep, roi, 2, 1, 0, 3);
+
+ case PIXEL_FORMAT_RGBA32:
+ case PIXEL_FORMAT_RGBX32:
+ return neon_YUV420ToX(pSrc, srcStep, pDst, dstStep, roi, 0, 1, 2, 3);
+
+ case PIXEL_FORMAT_ARGB32:
+ case PIXEL_FORMAT_XRGB32:
+ return neon_YUV420ToX(pSrc, srcStep, pDst, dstStep, roi, 1, 2, 3, 0);
+
+ case PIXEL_FORMAT_ABGR32:
+ case PIXEL_FORMAT_XBGR32:
+ return neon_YUV420ToX(pSrc, srcStep, pDst, dstStep, roi, 3, 2, 1, 0);
+
+ default:
+ return generic->YUV420ToRGB_8u_P3AC4R(pSrc, srcStep, pDst, dstStep, DstFormat, roi);
+ }
+}
+
+static INLINE pstatus_t neon_YUV444ToX(const BYTE* const WINPR_RESTRICT pSrc[3],
+ const UINT32 srcStep[3], BYTE* WINPR_RESTRICT pDst,
+ UINT32 dstStep, const prim_size_t* WINPR_RESTRICT roi,
+ const uint8_t rPos, const uint8_t gPos, const uint8_t bPos,
+ const uint8_t aPos)
+{
+ const UINT32 nWidth = roi->width;
+ const UINT32 nHeight = roi->height;
+ const UINT32 yPad = srcStep[0] - roi->width;
+ const UINT32 uPad = srcStep[1] - roi->width;
+ const UINT32 vPad = srcStep[2] - roi->width;
+ const UINT32 dPad = dstStep - roi->width * 4;
+ const uint8_t* pY = pSrc[0];
+ const uint8_t* pU = pSrc[1];
+ const uint8_t* pV = pSrc[2];
+ uint8_t* pRGB = pDst;
+ const int16x8_t c128 = vdupq_n_s16(128);
+ const DWORD pad = nWidth % 8;
+
+ for (UINT32 y = 0; y < nHeight; y++)
+ {
+ for (UINT32 x = 0; x < nWidth - pad; x += 8)
+ {
+ const uint8x8_t Yu = vld1_u8(pY);
+ const int16x8_t Y = vreinterpretq_s16_u16(vmovl_u8(Yu));
+ const uint8x8_t Uu = vld1_u8(pU);
+ const int16x8_t U = vreinterpretq_s16_u16(vmovl_u8(Uu));
+ const uint8x8_t Vu = vld1_u8(pV);
+ const int16x8_t V = vreinterpretq_s16_u16(vmovl_u8(Vu));
+ /* Do the calculations on Y in 32bit width, the result of 255 * 256 does not fit
+ * a signed 16 bit value. */
+ const int16x8_t D = vsubq_s16(U, c128);
+ const int16x8_t E = vsubq_s16(V, c128);
+ pRGB = neon_YuvToRgbPixel(pRGB, Y, D, E, rPos, gPos, bPos, aPos);
+ pY += 8;
+ pU += 8;
+ pV += 8;
+ }
+
+ for (UINT32 x = 0; x < pad; x++)
+ {
+ const BYTE Y = *pY++;
+ const BYTE U = *pU++;
+ const BYTE V = *pV++;
+ const BYTE r = YUV2R(Y, U, V);
+ const BYTE g = YUV2G(Y, U, V);
+ const BYTE b = YUV2B(Y, U, V);
+ pRGB[aPos] = 0xFF;
+ pRGB[rPos] = r;
+ pRGB[gPos] = g;
+ pRGB[bPos] = b;
+ pRGB += 4;
+ }
+
+ pRGB += dPad;
+ pY += yPad;
+ pU += uPad;
+ pV += vPad;
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static pstatus_t neon_YUV444ToRGB_8u_P3AC4R(const BYTE* WINPR_RESTRICT const pSrc[3],
+ const UINT32 srcStep[3], BYTE* WINPR_RESTRICT pDst,
+ UINT32 dstStep, UINT32 DstFormat,
+ const prim_size_t* WINPR_RESTRICT roi)
+{
+ switch (DstFormat)
+ {
+ case PIXEL_FORMAT_BGRA32:
+ case PIXEL_FORMAT_BGRX32:
+ return neon_YUV444ToX(pSrc, srcStep, pDst, dstStep, roi, 2, 1, 0, 3);
+
+ case PIXEL_FORMAT_RGBA32:
+ case PIXEL_FORMAT_RGBX32:
+ return neon_YUV444ToX(pSrc, srcStep, pDst, dstStep, roi, 0, 1, 2, 3);
+
+ case PIXEL_FORMAT_ARGB32:
+ case PIXEL_FORMAT_XRGB32:
+ return neon_YUV444ToX(pSrc, srcStep, pDst, dstStep, roi, 1, 2, 3, 0);
+
+ case PIXEL_FORMAT_ABGR32:
+ case PIXEL_FORMAT_XBGR32:
+ return neon_YUV444ToX(pSrc, srcStep, pDst, dstStep, roi, 3, 2, 1, 0);
+
+ default:
+ return generic->YUV444ToRGB_8u_P3AC4R(pSrc, srcStep, pDst, dstStep, DstFormat, roi);
+ }
+}
+
+static pstatus_t neon_LumaToYUV444(const BYTE* const WINPR_RESTRICT pSrcRaw[3],
+ const UINT32 srcStep[3], BYTE* WINPR_RESTRICT pDstRaw[3],
+ const UINT32 dstStep[3], const RECTANGLE_16* WINPR_RESTRICT roi)
+{
+ const UINT32 nWidth = roi->right - roi->left;
+ const UINT32 nHeight = roi->bottom - roi->top;
+ const UINT32 halfWidth = (nWidth + 1) / 2;
+ const UINT32 halfHeight = (nHeight + 1) / 2;
+ const UINT32 evenY = 0;
+ const BYTE* pSrc[3] = { pSrcRaw[0] + roi->top * srcStep[0] + roi->left,
+ pSrcRaw[1] + roi->top / 2 * srcStep[1] + roi->left / 2,
+ pSrcRaw[2] + roi->top / 2 * srcStep[2] + roi->left / 2 };
+ BYTE* pDst[3] = { pDstRaw[0] + roi->top * dstStep[0] + roi->left,
+ pDstRaw[1] + roi->top * dstStep[1] + roi->left,
+ pDstRaw[2] + roi->top * dstStep[2] + roi->left };
+
+ /* Y data is already here... */
+ /* B1 */
+ for (UINT32 y = 0; y < nHeight; y++)
+ {
+ const BYTE* Ym = pSrc[0] + srcStep[0] * y;
+ BYTE* pY = pDst[0] + dstStep[0] * y;
+ memcpy(pY, Ym, nWidth);
+ }
+
+ /* The first half of U, V are already here part of this frame. */
+ /* B2 and B3 */
+ for (UINT32 y = 0; y < halfHeight; y++)
+ {
+ const UINT32 val2y = (2 * y + evenY);
+ const BYTE* Um = pSrc[1] + srcStep[1] * y;
+ const BYTE* Vm = pSrc[2] + srcStep[2] * y;
+ BYTE* pU = pDst[1] + dstStep[1] * val2y;
+ BYTE* pV = pDst[2] + dstStep[2] * val2y;
+ BYTE* pU1 = pU + dstStep[1];
+ BYTE* pV1 = pV + dstStep[2];
+
+ for (UINT32 x = 0; x + 16 < halfWidth; x += 16)
+ {
+ {
+ const uint8x16_t u = vld1q_u8(Um);
+ uint8x16x2_t u2x;
+ u2x.val[0] = u;
+ u2x.val[1] = u;
+ vst2q_u8(pU, u2x);
+ vst2q_u8(pU1, u2x);
+ Um += 16;
+ pU += 32;
+ pU1 += 32;
+ }
+ {
+ const uint8x16_t v = vld1q_u8(Vm);
+ uint8x16x2_t v2x;
+ v2x.val[0] = v;
+ v2x.val[1] = v;
+ vst2q_u8(pV, v2x);
+ vst2q_u8(pV1, v2x);
+ Vm += 16;
+ pV += 32;
+ pV1 += 32;
+ }
+ }
+
+ for (; x < halfWidth; x++)
+ {
+ const BYTE u = *Um++;
+ const BYTE v = *Vm++;
+ *pU++ = u;
+ *pU++ = u;
+ *pU1++ = u;
+ *pU1++ = u;
+ *pV++ = v;
+ *pV++ = v;
+ *pV1++ = v;
+ *pV1++ = v;
+ }
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static pstatus_t neon_ChromaFilter(BYTE* WINPR_RESTRICT pDst[3], const UINT32 dstStep[3],
+ const RECTANGLE_16* WINPR_RESTRICT roi)
+{
+ const UINT32 oddY = 1;
+ const UINT32 evenY = 0;
+ const UINT32 nWidth = roi->right - roi->left;
+ const UINT32 nHeight = roi->bottom - roi->top;
+ const UINT32 halfHeight = (nHeight + 1) / 2;
+ const UINT32 halfWidth = (nWidth + 1) / 2;
+ const UINT32 halfPad = halfWidth % 16;
+
+ /* Filter */
+ for (UINT32 y = roi->top; y < halfHeight + roi->top; y++)
+ {
+ const UINT32 val2y = (y * 2 + evenY);
+ const UINT32 val2y1 = val2y + oddY;
+ BYTE* pU1 = pDst[1] + dstStep[1] * val2y1;
+ BYTE* pV1 = pDst[2] + dstStep[2] * val2y1;
+ BYTE* pU = pDst[1] + dstStep[1] * val2y;
+ BYTE* pV = pDst[2] + dstStep[2] * val2y;
+
+ if (val2y1 > nHeight)
+ continue;
+
+ for (UINT32 x = roi->left / 2; x < halfWidth + roi->left / 2 - halfPad; x += 16)
+ {
+ {
+ /* U = (U2x,2y << 2) - U2x1,2y - U2x,2y1 - U2x1,2y1 */
+ uint8x8x2_t u = vld2_u8(&pU[2 * x]);
+ const int16x8_t up =
+ vreinterpretq_s16_u16(vshll_n_u8(u.val[0], 2)); /* Ux2,2y << 2 */
+ const uint8x8x2_t u1 = vld2_u8(&pU1[2 * x]);
+ const uint16x8_t usub = vaddl_u8(u1.val[1], u1.val[0]); /* U2x,2y1 + U2x1,2y1 */
+ const int16x8_t us = vreinterpretq_s16_u16(
+ vaddw_u8(usub, u.val[1])); /* U2x1,2y + U2x,2y1 + U2x1,2y1 */
+ const int16x8_t un = vsubq_s16(up, us);
+ const uint8x8_t u8 = vqmovun_s16(un); /* CLIP(un) */
+ u.val[0] = u8;
+ vst2_u8(&pU[2 * x], u);
+ }
+ {
+ /* V = (V2x,2y << 2) - V2x1,2y - V2x,2y1 - V2x1,2y1 */
+ uint8x8x2_t v = vld2_u8(&pV[2 * x]);
+ const int16x8_t vp =
+ vreinterpretq_s16_u16(vshll_n_u8(v.val[0], 2)); /* Vx2,2y << 2 */
+ const uint8x8x2_t v1 = vld2_u8(&pV1[2 * x]);
+ const uint16x8_t vsub = vaddl_u8(v1.val[1], v1.val[0]); /* V2x,2y1 + V2x1,2y1 */
+ const int16x8_t vs = vreinterpretq_s16_u16(
+ vaddw_u8(vsub, v.val[1])); /* V2x1,2y + V2x,2y1 + V2x1,2y1 */
+ const int16x8_t vn = vsubq_s16(vp, vs);
+ const uint8x8_t v8 = vqmovun_s16(vn); /* CLIP(vn) */
+ v.val[0] = v8;
+ vst2_u8(&pV[2 * x], v);
+ }
+ }
+
+ for (; x < halfWidth + roi->left / 2; x++)
+ {
+ const UINT32 val2x = (x * 2);
+ const UINT32 val2x1 = val2x + 1;
+ const BYTE inU = pU[val2x];
+ const BYTE inV = pV[val2x];
+ const INT32 up = inU * 4;
+ const INT32 vp = inV * 4;
+ INT32 u2020;
+ INT32 v2020;
+
+ if (val2x1 > nWidth)
+ continue;
+
+ u2020 = up - pU[val2x1] - pU1[val2x] - pU1[val2x1];
+ v2020 = vp - pV[val2x1] - pV1[val2x] - pV1[val2x1];
+ pU[val2x] = CONDITIONAL_CLIP(u2020, inU);
+ pV[val2x] = CONDITIONAL_CLIP(v2020, inV);
+ }
+ }
+
+ return PRIMITIVES_SUCCESS;
+}
+
+static pstatus_t neon_ChromaV1ToYUV444(const BYTE* const WINPR_RESTRICT pSrcRaw[3],
+ const UINT32 srcStep[3], BYTE* WINPR_RESTRICT pDstRaw[3],
+ const UINT32 dstStep[3],
+ const RECTANGLE_16* WINPR_RESTRICT roi)
+{
+ const UINT32 mod = 16;
+ UINT32 uY = 0;
+ UINT32 vY = 0;
+ const UINT32 nWidth = roi->right - roi->left;
+ const UINT32 nHeight = roi->bottom - roi->top;
+ const UINT32 halfWidth = (nWidth) / 2;
+ const UINT32 halfHeight = (nHeight) / 2;
+ const UINT32 oddY = 1;
+ const UINT32 evenY = 0;
+ const UINT32 oddX = 1;
+ /* The auxilary frame is aligned to multiples of 16x16.
+ * We need the padded height for B4 and B5 conversion. */
+ const UINT32 padHeigth = nHeight + 16 - nHeight % 16;
+ const UINT32 halfPad = halfWidth % 16;
+ const BYTE* pSrc[3] = { pSrcRaw[0] + roi->top * srcStep[0] + roi->left,
+ pSrcRaw[1] + roi->top / 2 * srcStep[1] + roi->left / 2,
+ pSrcRaw[2] + roi->top / 2 * srcStep[2] + roi->left / 2 };
+ BYTE* pDst[3] = { pDstRaw[0] + roi->top * dstStep[0] + roi->left,
+ pDstRaw[1] + roi->top * dstStep[1] + roi->left,
+ pDstRaw[2] + roi->top * dstStep[2] + roi->left };
+
+ /* The second half of U and V is a bit more tricky... */
+ /* B4 and B5 */
+ for (UINT32 y = 0; y < padHeigth; y++)
+ {
+ const BYTE* Ya = pSrc[0] + srcStep[0] * y;
+ BYTE* pX;
+
+ if ((y) % mod < (mod + 1) / 2)
+ {
+ const UINT32 pos = (2 * uY++ + oddY);
+
+ if (pos >= nHeight)
+ continue;
+
+ pX = pDst[1] + dstStep[1] * pos;
+ }
+ else
+ {
+ const UINT32 pos = (2 * vY++ + oddY);
+
+ if (pos >= nHeight)
+ continue;
+
+ pX = pDst[2] + dstStep[2] * pos;
+ }
+
+ memcpy(pX, Ya, nWidth);
+ }
+
+ /* B6 and B7 */
+ for (UINT32 y = 0; y < halfHeight; y++)
+ {
+ const UINT32 val2y = (y * 2 + evenY);
+ const BYTE* Ua = pSrc[1] + srcStep[1] * y;
+ const BYTE* Va = pSrc[2] + srcStep[2] * y;
+ BYTE* pU = pDst[1] + dstStep[1] * val2y;
+ BYTE* pV = pDst[2] + dstStep[2] * val2y;
+
+ for (UINT32 x = 0; x < halfWidth - halfPad; x += 16)
+ {
+ {
+ uint8x16x2_t u = vld2q_u8(&pU[2 * x]);
+ u.val[1] = vld1q_u8(&Ua[x]);
+ vst2q_u8(&pU[2 * x], u);
+ }
+ {
+ uint8x16x2_t v = vld2q_u8(&pV[2 * x]);
+ v.val[1] = vld1q_u8(&Va[x]);
+ vst2q_u8(&pV[2 * x], v);
+ }
+ }
+
+ for (; x < halfWidth; x++)
+ {
+ const UINT32 val2x1 = (x * 2 + oddX);
+ pU[val2x1] = Ua[x];
+ pV[val2x1] = Va[x];
+ }
+ }
+
+ /* Filter */
+ return neon_ChromaFilter(pDst, dstStep, roi);
+}
+
+static pstatus_t neon_ChromaV2ToYUV444(const BYTE* const WINPR_RESTRICT pSrc[3],
+ const UINT32 srcStep[3], UINT32 nTotalWidth,
+ UINT32 nTotalHeight, BYTE* WINPR_RESTRICT pDst[3],
+ const UINT32 dstStep[3],
+ const RECTANGLE_16* WINPR_RESTRICT roi)
+{
+ const UINT32 nWidth = roi->right - roi->left;
+ const UINT32 nHeight = roi->bottom - roi->top;
+ const UINT32 halfWidth = (nWidth + 1) / 2;
+ const UINT32 halfPad = halfWidth % 16;
+ const UINT32 halfHeight = (nHeight + 1) / 2;
+ const UINT32 quaterWidth = (nWidth + 3) / 4;
+ const UINT32 quaterPad = quaterWidth % 16;
+
+ /* B4 and B5: odd UV values for width/2, height */
+ for (UINT32 y = 0; y < nHeight; y++)
+ {
+ const UINT32 yTop = y + roi->top;
+ const BYTE* pYaU = pSrc[0] + srcStep[0] * yTop + roi->left / 2;
+ const BYTE* pYaV = pYaU + nTotalWidth / 2;
+ BYTE* pU = pDst[1] + dstStep[1] * yTop + roi->left;
+ BYTE* pV = pDst[2] + dstStep[2] * yTop + roi->left;
+
+ for (UINT32 x = 0; x < halfWidth - halfPad; x += 16)
+ {
+ {
+ uint8x16x2_t u = vld2q_u8(&pU[2 * x]);
+ u.val[1] = vld1q_u8(&pYaU[x]);
+ vst2q_u8(&pU[2 * x], u);
+ }
+ {
+ uint8x16x2_t v = vld2q_u8(&pV[2 * x]);
+ v.val[1] = vld1q_u8(&pYaV[x]);
+ vst2q_u8(&pV[2 * x], v);
+ }
+ }
+
+ for (; x < halfWidth; x++)
+ {
+ const UINT32 odd = 2 * x + 1;
+ pU[odd] = pYaU[x];
+ pV[odd] = pYaV[x];
+ }
+ }
+
+ /* B6 - B9 */
+ for (UINT32 y = 0; y < halfHeight; y++)
+ {
+ const BYTE* pUaU = pSrc[1] + srcStep[1] * (y + roi->top / 2) + roi->left / 4;
+ const BYTE* pUaV = pUaU + nTotalWidth / 4;
+ const BYTE* pVaU = pSrc[2] + srcStep[2] * (y + roi->top / 2) + roi->left / 4;
+ const BYTE* pVaV = pVaU + nTotalWidth / 4;
+ BYTE* pU = pDst[1] + dstStep[1] * (2 * y + 1 + roi->top) + roi->left;
+ BYTE* pV = pDst[2] + dstStep[2] * (2 * y + 1 + roi->top) + roi->left;
+
+ for (UINT32 x = 0; x < quaterWidth - quaterPad; x += 16)
+ {
+ {
+ uint8x16x4_t u = vld4q_u8(&pU[4 * x]);
+ u.val[0] = vld1q_u8(&pUaU[x]);
+ u.val[2] = vld1q_u8(&pVaU[x]);
+ vst4q_u8(&pU[4 * x], u);
+ }
+ {
+ uint8x16x4_t v = vld4q_u8(&pV[4 * x]);
+ v.val[0] = vld1q_u8(&pUaV[x]);
+ v.val[2] = vld1q_u8(&pVaV[x]);
+ vst4q_u8(&pV[4 * x], v);
+ }
+ }
+
+ for (; x < quaterWidth; x++)
+ {
+ pU[4 * x + 0] = pUaU[x];
+ pV[4 * x + 0] = pUaV[x];
+ pU[4 * x + 2] = pVaU[x];
+ pV[4 * x + 2] = pVaV[x];
+ }
+ }
+
+ return neon_ChromaFilter(pDst, dstStep, roi);
+}
+
+static pstatus_t neon_YUV420CombineToYUV444(avc444_frame_type type,
+ const BYTE* const WINPR_RESTRICT pSrc[3],
+ const UINT32 srcStep[3], UINT32 nWidth, UINT32 nHeight,
+ BYTE* WINPR_RESTRICT pDst[3], const UINT32 dstStep[3],
+ const RECTANGLE_16* WINPR_RESTRICT roi)
+{
+ if (!pSrc || !pSrc[0] || !pSrc[1] || !pSrc[2])
+ return -1;
+
+ if (!pDst || !pDst[0] || !pDst[1] || !pDst[2])
+ return -1;
+
+ if (!roi)
+ return -1;
+
+ switch (type)
+ {
+ case AVC444_LUMA:
+ return neon_LumaToYUV444(pSrc, srcStep, pDst, dstStep, roi);
+
+ case AVC444_CHROMAv1:
+ return neon_ChromaV1ToYUV444(pSrc, srcStep, pDst, dstStep, roi);
+
+ case AVC444_CHROMAv2:
+ return neon_ChromaV2ToYUV444(pSrc, srcStep, nWidth, nHeight, pDst, dstStep, roi);
+
+ default:
+ return -1;
+ }
+}
+
+void primitives_init_YUV_opt(primitives_t* prims)
+{
+ generic = primitives_get_generic();
+ primitives_init_YUV(prims);
+
+ if (IsProcessorFeaturePresent(PF_ARM_NEON_INSTRUCTIONS_AVAILABLE))
+ {
+ prims->YUV420ToRGB_8u_P3AC4R = neon_YUV420ToRGB_8u_P3AC4R;
+ prims->YUV444ToRGB_8u_P3AC4R = neon_YUV444ToRGB_8u_P3AC4R;
+ prims->YUV420CombineToYUV444 = neon_YUV420CombineToYUV444;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 10:29:16 +0000