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Unified Diff: source/libvpx/third_party/libyuv/source/format_conversion.cc

Issue 996503002: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master
Patch Set: Created 5 years, 9 months ago
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Index: source/libvpx/third_party/libyuv/source/format_conversion.cc
diff --git a/source/libvpx/third_party/libyuv/source/format_conversion.cc b/source/libvpx/third_party/libyuv/source/format_conversion.cc
deleted file mode 100644
index 3c17371532033085308f1952826b7cc215cd4c1a..0000000000000000000000000000000000000000
--- a/source/libvpx/third_party/libyuv/source/format_conversion.cc
+++ /dev/null
@@ -1,554 +0,0 @@
-/*
- * Copyright 2011 The LibYuv Project Authors. All rights reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "libyuv/format_conversion.h"
-
-#include "libyuv/basic_types.h"
-#include "libyuv/cpu_id.h"
-#include "libyuv/video_common.h"
-#include "libyuv/row.h"
-
-#ifdef __cplusplus
-namespace libyuv {
-extern "C" {
-#endif
-
-// generate a selector mask useful for pshufb
-static uint32 GenerateSelector(int select0, int select1) {
- return (uint32)(select0) |
- (uint32)((select1 + 4) << 8) |
- (uint32)((select0 + 8) << 16) |
- (uint32)((select1 + 12) << 24);
-}
-
-static int MakeSelectors(const int blue_index,
- const int green_index,
- const int red_index,
- uint32 dst_fourcc_bayer,
- uint32* index_map) {
- // Now build a lookup table containing the indices for the four pixels in each
- // 2x2 Bayer grid.
- switch (dst_fourcc_bayer) {
- case FOURCC_BGGR:
- index_map[0] = GenerateSelector(blue_index, green_index);
- index_map[1] = GenerateSelector(green_index, red_index);
- break;
- case FOURCC_GBRG:
- index_map[0] = GenerateSelector(green_index, blue_index);
- index_map[1] = GenerateSelector(red_index, green_index);
- break;
- case FOURCC_RGGB:
- index_map[0] = GenerateSelector(red_index, green_index);
- index_map[1] = GenerateSelector(green_index, blue_index);
- break;
- case FOURCC_GRBG:
- index_map[0] = GenerateSelector(green_index, red_index);
- index_map[1] = GenerateSelector(blue_index, green_index);
- break;
- default:
- return -1; // Bad FourCC
- }
- return 0;
-}
-
-// Converts 32 bit ARGB to Bayer RGB formats.
-LIBYUV_API
-int ARGBToBayer(const uint8* src_argb, int src_stride_argb,
- uint8* dst_bayer, int dst_stride_bayer,
- int width, int height,
- uint32 dst_fourcc_bayer) {
- int y;
- const int blue_index = 0; // Offsets for ARGB format
- const int green_index = 1;
- const int red_index = 2;
- uint32 index_map[2];
- void (*ARGBToBayerRow)(const uint8* src_argb, uint8* dst_bayer,
- uint32 selector, int pix) = ARGBToBayerRow_C;
- if (height < 0) {
- height = -height;
- src_argb = src_argb + (height - 1) * src_stride_argb;
- src_stride_argb = -src_stride_argb;
- }
-#if defined(HAS_ARGBTOBAYERROW_SSSE3)
- if (TestCpuFlag(kCpuHasSSSE3) && width >= 8 &&
- IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
- ARGBToBayerRow = ARGBToBayerRow_Any_SSSE3;
- if (IS_ALIGNED(width, 8)) {
- ARGBToBayerRow = ARGBToBayerRow_SSSE3;
- }
- }
-#elif defined(HAS_ARGBTOBAYERROW_NEON)
- if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
- ARGBToBayerRow = ARGBToBayerRow_Any_NEON;
- if (IS_ALIGNED(width, 8)) {
- ARGBToBayerRow = ARGBToBayerRow_NEON;
- }
- }
-#endif
- if (MakeSelectors(blue_index, green_index, red_index,
- dst_fourcc_bayer, index_map)) {
- return -1; // Bad FourCC
- }
-
- for (y = 0; y < height; ++y) {
- ARGBToBayerRow(src_argb, dst_bayer, index_map[y & 1], width);
- src_argb += src_stride_argb;
- dst_bayer += dst_stride_bayer;
- }
- return 0;
-}
-
-#define AVG(a, b) (((a) + (b)) >> 1)
-
-static void BayerRowBG(const uint8* src_bayer0, int src_stride_bayer,
- uint8* dst_argb, int pix) {
- const uint8* src_bayer1 = src_bayer0 + src_stride_bayer;
- uint8 g = src_bayer0[1];
- uint8 r = src_bayer1[1];
- int x;
- for (x = 0; x < pix - 2; x += 2) {
- dst_argb[0] = src_bayer0[0];
- dst_argb[1] = AVG(g, src_bayer0[1]);
- dst_argb[2] = AVG(r, src_bayer1[1]);
- dst_argb[3] = 255U;
- dst_argb[4] = AVG(src_bayer0[0], src_bayer0[2]);
- dst_argb[5] = src_bayer0[1];
- dst_argb[6] = src_bayer1[1];
- dst_argb[7] = 255U;
- g = src_bayer0[1];
- r = src_bayer1[1];
- src_bayer0 += 2;
- src_bayer1 += 2;
- dst_argb += 8;
- }
- dst_argb[0] = src_bayer0[0];
- dst_argb[1] = AVG(g, src_bayer0[1]);
- dst_argb[2] = AVG(r, src_bayer1[1]);
- dst_argb[3] = 255U;
- if (!(pix & 1)) {
- dst_argb[4] = src_bayer0[0];
- dst_argb[5] = src_bayer0[1];
- dst_argb[6] = src_bayer1[1];
- dst_argb[7] = 255U;
- }
-}
-
-static void BayerRowRG(const uint8* src_bayer0, int src_stride_bayer,
- uint8* dst_argb, int pix) {
- const uint8* src_bayer1 = src_bayer0 + src_stride_bayer;
- uint8 g = src_bayer0[1];
- uint8 b = src_bayer1[1];
- int x;
- for (x = 0; x < pix - 2; x += 2) {
- dst_argb[0] = AVG(b, src_bayer1[1]);
- dst_argb[1] = AVG(g, src_bayer0[1]);
- dst_argb[2] = src_bayer0[0];
- dst_argb[3] = 255U;
- dst_argb[4] = src_bayer1[1];
- dst_argb[5] = src_bayer0[1];
- dst_argb[6] = AVG(src_bayer0[0], src_bayer0[2]);
- dst_argb[7] = 255U;
- g = src_bayer0[1];
- b = src_bayer1[1];
- src_bayer0 += 2;
- src_bayer1 += 2;
- dst_argb += 8;
- }
- dst_argb[0] = AVG(b, src_bayer1[1]);
- dst_argb[1] = AVG(g, src_bayer0[1]);
- dst_argb[2] = src_bayer0[0];
- dst_argb[3] = 255U;
- if (!(pix & 1)) {
- dst_argb[4] = src_bayer1[1];
- dst_argb[5] = src_bayer0[1];
- dst_argb[6] = src_bayer0[0];
- dst_argb[7] = 255U;
- }
-}
-
-static void BayerRowGB(const uint8* src_bayer0, int src_stride_bayer,
- uint8* dst_argb, int pix) {
- const uint8* src_bayer1 = src_bayer0 + src_stride_bayer;
- uint8 b = src_bayer0[1];
- int x;
- for (x = 0; x < pix - 2; x += 2) {
- dst_argb[0] = AVG(b, src_bayer0[1]);
- dst_argb[1] = src_bayer0[0];
- dst_argb[2] = src_bayer1[0];
- dst_argb[3] = 255U;
- dst_argb[4] = src_bayer0[1];
- dst_argb[5] = AVG(src_bayer0[0], src_bayer0[2]);
- dst_argb[6] = AVG(src_bayer1[0], src_bayer1[2]);
- dst_argb[7] = 255U;
- b = src_bayer0[1];
- src_bayer0 += 2;
- src_bayer1 += 2;
- dst_argb += 8;
- }
- dst_argb[0] = AVG(b, src_bayer0[1]);
- dst_argb[1] = src_bayer0[0];
- dst_argb[2] = src_bayer1[0];
- dst_argb[3] = 255U;
- if (!(pix & 1)) {
- dst_argb[4] = src_bayer0[1];
- dst_argb[5] = src_bayer0[0];
- dst_argb[6] = src_bayer1[0];
- dst_argb[7] = 255U;
- }
-}
-
-static void BayerRowGR(const uint8* src_bayer0, int src_stride_bayer,
- uint8* dst_argb, int pix) {
- const uint8* src_bayer1 = src_bayer0 + src_stride_bayer;
- uint8 r = src_bayer0[1];
- int x;
- for (x = 0; x < pix - 2; x += 2) {
- dst_argb[0] = src_bayer1[0];
- dst_argb[1] = src_bayer0[0];
- dst_argb[2] = AVG(r, src_bayer0[1]);
- dst_argb[3] = 255U;
- dst_argb[4] = AVG(src_bayer1[0], src_bayer1[2]);
- dst_argb[5] = AVG(src_bayer0[0], src_bayer0[2]);
- dst_argb[6] = src_bayer0[1];
- dst_argb[7] = 255U;
- r = src_bayer0[1];
- src_bayer0 += 2;
- src_bayer1 += 2;
- dst_argb += 8;
- }
- dst_argb[0] = src_bayer1[0];
- dst_argb[1] = src_bayer0[0];
- dst_argb[2] = AVG(r, src_bayer0[1]);
- dst_argb[3] = 255U;
- if (!(pix & 1)) {
- dst_argb[4] = src_bayer1[0];
- dst_argb[5] = src_bayer0[0];
- dst_argb[6] = src_bayer0[1];
- dst_argb[7] = 255U;
- }
-}
-
-// Converts any Bayer RGB format to ARGB.
-LIBYUV_API
-int BayerToARGB(const uint8* src_bayer, int src_stride_bayer,
- uint8* dst_argb, int dst_stride_argb,
- int width, int height,
- uint32 src_fourcc_bayer) {
- int y;
- void (*BayerRow0)(const uint8* src_bayer, int src_stride_bayer,
- uint8* dst_argb, int pix);
- void (*BayerRow1)(const uint8* src_bayer, int src_stride_bayer,
- uint8* dst_argb, int pix);
- if (height < 0) {
- height = -height;
- dst_argb = dst_argb + (height - 1) * dst_stride_argb;
- dst_stride_argb = -dst_stride_argb;
- }
- switch (src_fourcc_bayer) {
- case FOURCC_BGGR:
- BayerRow0 = BayerRowBG;
- BayerRow1 = BayerRowGR;
- break;
- case FOURCC_GBRG:
- BayerRow0 = BayerRowGB;
- BayerRow1 = BayerRowRG;
- break;
- case FOURCC_GRBG:
- BayerRow0 = BayerRowGR;
- BayerRow1 = BayerRowBG;
- break;
- case FOURCC_RGGB:
- BayerRow0 = BayerRowRG;
- BayerRow1 = BayerRowGB;
- break;
- default:
- return -1; // Bad FourCC
- }
-
- for (y = 0; y < height - 1; y += 2) {
- BayerRow0(src_bayer, src_stride_bayer, dst_argb, width);
- BayerRow1(src_bayer + src_stride_bayer, -src_stride_bayer,
- dst_argb + dst_stride_argb, width);
- src_bayer += src_stride_bayer * 2;
- dst_argb += dst_stride_argb * 2;
- }
- if (height & 1) {
- BayerRow0(src_bayer, src_stride_bayer, dst_argb, width);
- }
- return 0;
-}
-
-// Converts any Bayer RGB format to ARGB.
-LIBYUV_API
-int BayerToI420(const uint8* src_bayer, int src_stride_bayer,
- uint8* dst_y, int dst_stride_y,
- uint8* dst_u, int dst_stride_u,
- uint8* dst_v, int dst_stride_v,
- int width, int height,
- uint32 src_fourcc_bayer) {
- void (*BayerRow0)(const uint8* src_bayer, int src_stride_bayer,
- uint8* dst_argb, int pix);
- void (*BayerRow1)(const uint8* src_bayer, int src_stride_bayer,
- uint8* dst_argb, int pix);
-
- void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
- uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
- void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
- ARGBToYRow_C;
- // Negative height means invert the image.
- if (height < 0) {
- int halfheight;
- height = -height;
- halfheight = (height + 1) >> 1;
- dst_y = dst_y + (height - 1) * dst_stride_y;
- dst_u = dst_u + (halfheight - 1) * dst_stride_u;
- dst_v = dst_v + (halfheight - 1) * dst_stride_v;
- dst_stride_y = -dst_stride_y;
- dst_stride_u = -dst_stride_u;
- dst_stride_v = -dst_stride_v;
- }
-#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
- if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
- ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
- ARGBToYRow = ARGBToYRow_Any_SSSE3;
- if (IS_ALIGNED(width, 16)) {
- ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
- ARGBToUVRow = ARGBToUVRow_SSSE3;
- if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
- ARGBToYRow = ARGBToYRow_SSSE3;
- }
- }
- }
-#elif defined(HAS_ARGBTOYROW_NEON)
- if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
- ARGBToYRow = ARGBToYRow_Any_NEON;
- if (IS_ALIGNED(width, 8)) {
- ARGBToYRow = ARGBToYRow_NEON;
- }
- }
-#endif
-#if defined(HAS_ARGBTOUVROW_NEON)
- if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
- ARGBToUVRow = ARGBToUVRow_Any_NEON;
- if (IS_ALIGNED(width, 16)) {
- ARGBToUVRow = ARGBToUVRow_NEON;
- }
- }
-#endif
-
- switch (src_fourcc_bayer) {
- case FOURCC_BGGR:
- BayerRow0 = BayerRowBG;
- BayerRow1 = BayerRowGR;
- break;
- case FOURCC_GBRG:
- BayerRow0 = BayerRowGB;
- BayerRow1 = BayerRowRG;
- break;
- case FOURCC_GRBG:
- BayerRow0 = BayerRowGR;
- BayerRow1 = BayerRowBG;
- break;
- case FOURCC_RGGB:
- BayerRow0 = BayerRowRG;
- BayerRow1 = BayerRowGB;
- break;
- default:
- return -1; // Bad FourCC
- }
-
- {
- // Allocate 2 rows of ARGB.
- const int kRowSize = (width * 4 + 15) & ~15;
- align_buffer_64(row, kRowSize * 2);
- int y;
- for (y = 0; y < height - 1; y += 2) {
- BayerRow0(src_bayer, src_stride_bayer, row, width);
- BayerRow1(src_bayer + src_stride_bayer, -src_stride_bayer,
- row + kRowSize, width);
- ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
- ARGBToYRow(row, dst_y, width);
- ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
- src_bayer += src_stride_bayer * 2;
- dst_y += dst_stride_y * 2;
- dst_u += dst_stride_u;
- dst_v += dst_stride_v;
- }
- if (height & 1) {
- BayerRow0(src_bayer, src_stride_bayer, row, width);
- ARGBToUVRow(row, 0, dst_u, dst_v, width);
- ARGBToYRow(row, dst_y, width);
- }
- free_aligned_buffer_64(row);
- }
- return 0;
-}
-
-// Convert I420 to Bayer.
-LIBYUV_API
-int I420ToBayer(const uint8* src_y, int src_stride_y,
- const uint8* src_u, int src_stride_u,
- const uint8* src_v, int src_stride_v,
- uint8* dst_bayer, int dst_stride_bayer,
- int width, int height,
- uint32 dst_fourcc_bayer) {
- void (*I422ToARGBRow)(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width) = I422ToARGBRow_C;
- void (*ARGBToBayerRow)(const uint8* src_argb, uint8* dst_bayer,
- uint32 selector, int pix) = ARGBToBayerRow_C;
- const int blue_index = 0; // Offsets for ARGB format
- const int green_index = 1;
- const int red_index = 2;
- uint32 index_map[2];
- // Negative height means invert the image.
- if (height < 0) {
- int halfheight;
- height = -height;
- halfheight = (height + 1) >> 1;
- src_y = src_y + (height - 1) * src_stride_y;
- src_u = src_u + (halfheight - 1) * src_stride_u;
- src_v = src_v + (halfheight - 1) * src_stride_v;
- src_stride_y = -src_stride_y;
- src_stride_u = -src_stride_u;
- src_stride_v = -src_stride_v;
- }
-#if defined(HAS_I422TOARGBROW_SSSE3)
- if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
- I422ToARGBRow = I422ToARGBRow_Any_SSSE3;
- if (IS_ALIGNED(width, 8)) {
- I422ToARGBRow = I422ToARGBRow_SSSE3;
- }
- }
-#endif
-#if defined(HAS_I422TOARGBROW_AVX2)
- if (TestCpuFlag(kCpuHasAVX2) && width >= 16) {
- I422ToARGBRow = I422ToARGBRow_Any_AVX2;
- if (IS_ALIGNED(width, 16)) {
- I422ToARGBRow = I422ToARGBRow_AVX2;
- }
- }
-#endif
-#if defined(HAS_I422TOARGBROW_NEON)
- if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
- I422ToARGBRow = I422ToARGBRow_Any_NEON;
- if (IS_ALIGNED(width, 8)) {
- I422ToARGBRow = I422ToARGBRow_NEON;
- }
- }
-#endif
-#if defined(HAS_I422TOARGBROW_MIPS_DSPR2)
- if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) &&
- IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) &&
- IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) &&
- IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2)) {
- I422ToARGBRow = I422ToARGBRow_MIPS_DSPR2;
- }
-#endif
-
-#if defined(HAS_ARGBTOBAYERROW_SSSE3)
- if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
- ARGBToBayerRow = ARGBToBayerRow_Any_SSSE3;
- if (IS_ALIGNED(width, 8)) {
- ARGBToBayerRow = ARGBToBayerRow_SSSE3;
- }
- }
-#elif defined(HAS_ARGBTOBAYERROW_NEON)
- if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
- ARGBToBayerRow = ARGBToBayerRow_Any_NEON;
- if (IS_ALIGNED(width, 8)) {
- ARGBToBayerRow = ARGBToBayerRow_NEON;
- }
- }
-#endif
-
- if (MakeSelectors(blue_index, green_index, red_index,
- dst_fourcc_bayer, index_map)) {
- return -1; // Bad FourCC
- }
- {
- // Allocate a row of ARGB.
- align_buffer_64(row, width * 4);
- int y;
- for (y = 0; y < height; ++y) {
- I422ToARGBRow(src_y, src_u, src_v, row, width);
- ARGBToBayerRow(row, dst_bayer, index_map[y & 1], width);
- dst_bayer += dst_stride_bayer;
- src_y += src_stride_y;
- if (y & 1) {
- src_u += src_stride_u;
- src_v += src_stride_v;
- }
- }
- free_aligned_buffer_64(row);
- }
- return 0;
-}
-
-#define MAKEBAYERFOURCC(BAYER) \
-LIBYUV_API \
-int Bayer##BAYER##ToI420(const uint8* src_bayer, int src_stride_bayer, \
- uint8* dst_y, int dst_stride_y, \
- uint8* dst_u, int dst_stride_u, \
- uint8* dst_v, int dst_stride_v, \
- int width, int height) { \
- return BayerToI420(src_bayer, src_stride_bayer, \
- dst_y, dst_stride_y, \
- dst_u, dst_stride_u, \
- dst_v, dst_stride_v, \
- width, height, \
- FOURCC_##BAYER); \
-} \
- \
-LIBYUV_API \
-int I420ToBayer##BAYER(const uint8* src_y, int src_stride_y, \
- const uint8* src_u, int src_stride_u, \
- const uint8* src_v, int src_stride_v, \
- uint8* dst_bayer, int dst_stride_bayer, \
- int width, int height) { \
- return I420ToBayer(src_y, src_stride_y, \
- src_u, src_stride_u, \
- src_v, src_stride_v, \
- dst_bayer, dst_stride_bayer, \
- width, height, \
- FOURCC_##BAYER); \
-} \
- \
-LIBYUV_API \
-int ARGBToBayer##BAYER(const uint8* src_argb, int src_stride_argb, \
- uint8* dst_bayer, int dst_stride_bayer, \
- int width, int height) { \
- return ARGBToBayer(src_argb, src_stride_argb, \
- dst_bayer, dst_stride_bayer, \
- width, height, \
- FOURCC_##BAYER); \
-} \
- \
-LIBYUV_API \
-int Bayer##BAYER##ToARGB(const uint8* src_bayer, int src_stride_bayer, \
- uint8* dst_argb, int dst_stride_argb, \
- int width, int height) { \
- return BayerToARGB(src_bayer, src_stride_bayer, \
- dst_argb, dst_stride_argb, \
- width, height, \
- FOURCC_##BAYER); \
-}
-
-MAKEBAYERFOURCC(BGGR)
-MAKEBAYERFOURCC(GBRG)
-MAKEBAYERFOURCC(GRBG)
-MAKEBAYERFOURCC(RGGB)
-
-#ifdef __cplusplus
-} // extern "C"
-} // namespace libyuv
-#endif
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