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Diffstat (limited to 'media/libvpx/libvpx/third_party/libyuv/source/convert_argb.cc')
| -rw-r--r-- | media/libvpx/libvpx/third_party/libyuv/source/convert_argb.cc | 2231 |
1 files changed, 2231 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/third_party/libyuv/source/convert_argb.cc b/media/libvpx/libvpx/third_party/libyuv/source/convert_argb.cc new file mode 100644 index 0000000000..f2fe474f70 --- /dev/null +++ b/media/libvpx/libvpx/third_party/libyuv/source/convert_argb.cc @@ -0,0 +1,2231 @@ +/* + * 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/convert_argb.h" + +#include "libyuv/cpu_id.h" +#ifdef HAVE_JPEG +#include "libyuv/mjpeg_decoder.h" +#endif +#include "libyuv/planar_functions.h" // For CopyPlane and ARGBShuffle. +#include "libyuv/rotate_argb.h" +#include "libyuv/row.h" +#include "libyuv/video_common.h" + +#ifdef __cplusplus +namespace libyuv { +extern "C" { +#endif + +// Copy ARGB with optional flipping +LIBYUV_API +int ARGBCopy(const uint8_t* src_argb, + int src_stride_argb, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + if (!src_argb || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_argb = src_argb + (height - 1) * src_stride_argb; + src_stride_argb = -src_stride_argb; + } + + CopyPlane(src_argb, src_stride_argb, dst_argb, dst_stride_argb, width * 4, + height); + return 0; +} + +// Convert I420 to ARGB with matrix +static int I420ToARGBMatrix(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + const struct YuvConstants* yuvconstants, + int width, + int height) { + int y; + void (*I422ToARGBRow)(const uint8_t* y_buf, const uint8_t* u_buf, + const uint8_t* v_buf, uint8_t* rgb_buf, + const struct YuvConstants* yuvconstants, int width) = + I422ToARGBRow_C; + if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_argb = dst_argb + (height - 1) * dst_stride_argb; + dst_stride_argb = -dst_stride_argb; + } +#if defined(HAS_I422TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I422ToARGBRow = I422ToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToARGBRow = I422ToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_I422TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I422ToARGBRow = I422ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I422ToARGBRow = I422ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_I422TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToARGBRow = I422ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + I422ToARGBRow = I422ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_I422TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + I422ToARGBRow = I422ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 8)) { + I422ToARGBRow = I422ToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + I422ToARGBRow(src_y, src_u, src_v, dst_argb, yuvconstants, width); + dst_argb += dst_stride_argb; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + return 0; +} + +// Convert I420 to ARGB. +LIBYUV_API +int I420ToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return I420ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_argb, dst_stride_argb, + &kYuvI601Constants, width, height); +} + +// Convert I420 to ABGR. +LIBYUV_API +int I420ToABGR(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return I420ToARGBMatrix(src_y, src_stride_y, src_v, + src_stride_v, // Swap U and V + src_u, src_stride_u, dst_abgr, dst_stride_abgr, + &kYvuI601Constants, // Use Yvu matrix + width, height); +} + +// Convert J420 to ARGB. +LIBYUV_API +int J420ToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return I420ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_argb, dst_stride_argb, + &kYuvJPEGConstants, width, height); +} + +// Convert J420 to ABGR. +LIBYUV_API +int J420ToABGR(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return I420ToARGBMatrix(src_y, src_stride_y, src_v, + src_stride_v, // Swap U and V + src_u, src_stride_u, dst_abgr, dst_stride_abgr, + &kYvuJPEGConstants, // Use Yvu matrix + width, height); +} + +// Convert H420 to ARGB. +LIBYUV_API +int H420ToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return I420ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_argb, dst_stride_argb, + &kYuvH709Constants, width, height); +} + +// Convert H420 to ABGR. +LIBYUV_API +int H420ToABGR(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return I420ToARGBMatrix(src_y, src_stride_y, src_v, + src_stride_v, // Swap U and V + src_u, src_stride_u, dst_abgr, dst_stride_abgr, + &kYvuH709Constants, // Use Yvu matrix + width, height); +} + +// Convert I422 to ARGB with matrix +static int I422ToARGBMatrix(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + const struct YuvConstants* yuvconstants, + int width, + int height) { + int y; + void (*I422ToARGBRow)(const uint8_t* y_buf, const uint8_t* u_buf, + const uint8_t* v_buf, uint8_t* rgb_buf, + const struct YuvConstants* yuvconstants, int width) = + I422ToARGBRow_C; + if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_argb = dst_argb + (height - 1) * dst_stride_argb; + dst_stride_argb = -dst_stride_argb; + } + // Coalesce rows. + if (src_stride_y == width && src_stride_u * 2 == width && + src_stride_v * 2 == width && dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_y = src_stride_u = src_stride_v = dst_stride_argb = 0; + } +#if defined(HAS_I422TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I422ToARGBRow = I422ToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToARGBRow = I422ToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_I422TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I422ToARGBRow = I422ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I422ToARGBRow = I422ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_I422TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToARGBRow = I422ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + I422ToARGBRow = I422ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_I422TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + I422ToARGBRow = I422ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 8)) { + I422ToARGBRow = I422ToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + I422ToARGBRow(src_y, src_u, src_v, dst_argb, yuvconstants, width); + dst_argb += dst_stride_argb; + src_y += src_stride_y; + src_u += src_stride_u; + src_v += src_stride_v; + } + return 0; +} + +// Convert I422 to ARGB. +LIBYUV_API +int I422ToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return I422ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_argb, dst_stride_argb, + &kYuvI601Constants, width, height); +} + +// Convert I422 to ABGR. +LIBYUV_API +int I422ToABGR(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return I422ToARGBMatrix(src_y, src_stride_y, src_v, + src_stride_v, // Swap U and V + src_u, src_stride_u, dst_abgr, dst_stride_abgr, + &kYvuI601Constants, // Use Yvu matrix + width, height); +} + +// Convert J422 to ARGB. +LIBYUV_API +int J422ToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return I422ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_argb, dst_stride_argb, + &kYuvJPEGConstants, width, height); +} + +// Convert J422 to ABGR. +LIBYUV_API +int J422ToABGR(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return I422ToARGBMatrix(src_y, src_stride_y, src_v, + src_stride_v, // Swap U and V + src_u, src_stride_u, dst_abgr, dst_stride_abgr, + &kYvuJPEGConstants, // Use Yvu matrix + width, height); +} + +// Convert H422 to ARGB. +LIBYUV_API +int H422ToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return I422ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_argb, dst_stride_argb, + &kYuvH709Constants, width, height); +} + +// Convert H422 to ABGR. +LIBYUV_API +int H422ToABGR(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return I422ToARGBMatrix(src_y, src_stride_y, src_v, + src_stride_v, // Swap U and V + src_u, src_stride_u, dst_abgr, dst_stride_abgr, + &kYvuH709Constants, // Use Yvu matrix + width, height); +} + +// Convert 10 bit YUV to ARGB with matrix +// TODO(fbarchard): Consider passing scale multiplier to I210ToARGB to +// multiply 10 bit yuv into high bits to allow any number of bits. +static int I010ToAR30Matrix(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_ar30, + int dst_stride_ar30, + const struct YuvConstants* yuvconstants, + int width, + int height) { + int y; + void (*I210ToAR30Row)(const uint16_t* y_buf, const uint16_t* u_buf, + const uint16_t* v_buf, uint8_t* rgb_buf, + const struct YuvConstants* yuvconstants, int width) = + I210ToAR30Row_C; + if (!src_y || !src_u || !src_v || !dst_ar30 || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_ar30 = dst_ar30 + (height - 1) * dst_stride_ar30; + dst_stride_ar30 = -dst_stride_ar30; + } +#if defined(HAS_I210TOAR30ROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I210ToAR30Row = I210ToAR30Row_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I210ToAR30Row = I210ToAR30Row_SSSE3; + } + } +#endif +#if defined(HAS_I210TOAR30ROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I210ToAR30Row = I210ToAR30Row_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I210ToAR30Row = I210ToAR30Row_AVX2; + } + } +#endif + for (y = 0; y < height; ++y) { + I210ToAR30Row(src_y, src_u, src_v, dst_ar30, yuvconstants, width); + dst_ar30 += dst_stride_ar30; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + return 0; +} + +// Convert I010 to AR30. +LIBYUV_API +int I010ToAR30(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_ar30, + int dst_stride_ar30, + int width, + int height) { + return I010ToAR30Matrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_ar30, dst_stride_ar30, + &kYuvI601Constants, width, height); +} + +// Convert H010 to AR30. +LIBYUV_API +int H010ToAR30(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_ar30, + int dst_stride_ar30, + int width, + int height) { + return I010ToAR30Matrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_ar30, dst_stride_ar30, + &kYuvH709Constants, width, height); +} + +// Convert I010 to AB30. +LIBYUV_API +int I010ToAB30(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_ab30, + int dst_stride_ab30, + int width, + int height) { + return I010ToAR30Matrix(src_y, src_stride_y, src_v, src_stride_v, src_u, + src_stride_u, dst_ab30, dst_stride_ab30, + &kYvuI601Constants, width, height); +} + +// Convert H010 to AB30. +LIBYUV_API +int H010ToAB30(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_ab30, + int dst_stride_ab30, + int width, + int height) { + return I010ToAR30Matrix(src_y, src_stride_y, src_v, src_stride_v, src_u, + src_stride_u, dst_ab30, dst_stride_ab30, + &kYvuH709Constants, width, height); +} + +// Convert 10 bit YUV to ARGB with matrix +static int I010ToARGBMatrix(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + const struct YuvConstants* yuvconstants, + int width, + int height) { + int y; + void (*I210ToARGBRow)(const uint16_t* y_buf, const uint16_t* u_buf, + const uint16_t* v_buf, uint8_t* rgb_buf, + const struct YuvConstants* yuvconstants, int width) = + I210ToARGBRow_C; + if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_argb = dst_argb + (height - 1) * dst_stride_argb; + dst_stride_argb = -dst_stride_argb; + } +#if defined(HAS_I210TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I210ToARGBRow = I210ToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I210ToARGBRow = I210ToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_I210TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I210ToARGBRow = I210ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I210ToARGBRow = I210ToARGBRow_AVX2; + } + } +#endif + for (y = 0; y < height; ++y) { + I210ToARGBRow(src_y, src_u, src_v, dst_argb, yuvconstants, width); + dst_argb += dst_stride_argb; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + return 0; +} + +// Convert I010 to ARGB. +LIBYUV_API +int I010ToARGB(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return I010ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_argb, dst_stride_argb, + &kYuvI601Constants, width, height); +} + +// Convert I010 to ABGR. +LIBYUV_API +int I010ToABGR(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return I010ToARGBMatrix(src_y, src_stride_y, src_v, + src_stride_v, // Swap U and V + src_u, src_stride_u, dst_abgr, dst_stride_abgr, + &kYvuI601Constants, // Use Yvu matrix + width, height); +} + +// Convert H010 to ARGB. +LIBYUV_API +int H010ToARGB(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return I010ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_argb, dst_stride_argb, + &kYuvH709Constants, width, height); +} + +// Convert H010 to ABGR. +LIBYUV_API +int H010ToABGR(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return I010ToARGBMatrix(src_y, src_stride_y, src_v, + src_stride_v, // Swap U and V + src_u, src_stride_u, dst_abgr, dst_stride_abgr, + &kYvuH709Constants, // Use Yvu matrix + width, height); +} + +// Convert I444 to ARGB with matrix +static int I444ToARGBMatrix(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + const struct YuvConstants* yuvconstants, + int width, + int height) { + int y; + void (*I444ToARGBRow)(const uint8_t* y_buf, const uint8_t* u_buf, + const uint8_t* v_buf, uint8_t* rgb_buf, + const struct YuvConstants* yuvconstants, int width) = + I444ToARGBRow_C; + if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_argb = dst_argb + (height - 1) * dst_stride_argb; + dst_stride_argb = -dst_stride_argb; + } + // Coalesce rows. + if (src_stride_y == width && src_stride_u == width && src_stride_v == width && + dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_y = src_stride_u = src_stride_v = dst_stride_argb = 0; + } +#if defined(HAS_I444TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I444ToARGBRow = I444ToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I444ToARGBRow = I444ToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_I444TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I444ToARGBRow = I444ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I444ToARGBRow = I444ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_I444TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I444ToARGBRow = I444ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + I444ToARGBRow = I444ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_I444TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + I444ToARGBRow = I444ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 8)) { + I444ToARGBRow = I444ToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + I444ToARGBRow(src_y, src_u, src_v, dst_argb, yuvconstants, width); + dst_argb += dst_stride_argb; + src_y += src_stride_y; + src_u += src_stride_u; + src_v += src_stride_v; + } + return 0; +} + +// Convert I444 to ARGB. +LIBYUV_API +int I444ToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return I444ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_argb, dst_stride_argb, + &kYuvI601Constants, width, height); +} + +// Convert I444 to ABGR. +LIBYUV_API +int I444ToABGR(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return I444ToARGBMatrix(src_y, src_stride_y, src_v, + src_stride_v, // Swap U and V + src_u, src_stride_u, dst_abgr, dst_stride_abgr, + &kYvuI601Constants, // Use Yvu matrix + width, height); +} + +// Convert J444 to ARGB. +LIBYUV_API +int J444ToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return I444ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_argb, dst_stride_argb, + &kYuvJPEGConstants, width, height); +} + +// Convert I420 with Alpha to preattenuated ARGB. +static int I420AlphaToARGBMatrix(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + const uint8_t* src_a, + int src_stride_a, + uint8_t* dst_argb, + int dst_stride_argb, + const struct YuvConstants* yuvconstants, + int width, + int height, + int attenuate) { + int y; + void (*I422AlphaToARGBRow)(const uint8_t* y_buf, const uint8_t* u_buf, + const uint8_t* v_buf, const uint8_t* a_buf, + uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, + int width) = I422AlphaToARGBRow_C; + void (*ARGBAttenuateRow)(const uint8_t* src_argb, uint8_t* dst_argb, + int width) = ARGBAttenuateRow_C; + if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_argb = dst_argb + (height - 1) * dst_stride_argb; + dst_stride_argb = -dst_stride_argb; + } +#if defined(HAS_I422ALPHATOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I422AlphaToARGBRow = I422AlphaToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422AlphaToARGBRow = I422AlphaToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_I422ALPHATOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I422AlphaToARGBRow = I422AlphaToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I422AlphaToARGBRow = I422AlphaToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_I422ALPHATOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422AlphaToARGBRow = I422AlphaToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + I422AlphaToARGBRow = I422AlphaToARGBRow_NEON; + } + } +#endif +#if defined(HAS_I422ALPHATOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + I422AlphaToARGBRow = I422AlphaToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 8)) { + I422AlphaToARGBRow = I422AlphaToARGBRow_MSA; + } + } +#endif +#if defined(HAS_ARGBATTENUATEROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + ARGBAttenuateRow = ARGBAttenuateRow_Any_SSSE3; + if (IS_ALIGNED(width, 4)) { + ARGBAttenuateRow = ARGBAttenuateRow_SSSE3; + } + } +#endif +#if defined(HAS_ARGBATTENUATEROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + ARGBAttenuateRow = ARGBAttenuateRow_Any_AVX2; + if (IS_ALIGNED(width, 8)) { + ARGBAttenuateRow = ARGBAttenuateRow_AVX2; + } + } +#endif +#if defined(HAS_ARGBATTENUATEROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + ARGBAttenuateRow = ARGBAttenuateRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + ARGBAttenuateRow = ARGBAttenuateRow_NEON; + } + } +#endif +#if defined(HAS_ARGBATTENUATEROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + ARGBAttenuateRow = ARGBAttenuateRow_Any_MSA; + if (IS_ALIGNED(width, 8)) { + ARGBAttenuateRow = ARGBAttenuateRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + I422AlphaToARGBRow(src_y, src_u, src_v, src_a, dst_argb, yuvconstants, + width); + if (attenuate) { + ARGBAttenuateRow(dst_argb, dst_argb, width); + } + dst_argb += dst_stride_argb; + src_a += src_stride_a; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + return 0; +} + +// Convert I420 with Alpha to ARGB. +LIBYUV_API +int I420AlphaToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + const uint8_t* src_a, + int src_stride_a, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height, + int attenuate) { + return I420AlphaToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, src_a, src_stride_a, dst_argb, + dst_stride_argb, &kYuvI601Constants, width, + height, attenuate); +} + +// Convert I420 with Alpha to ABGR. +LIBYUV_API +int I420AlphaToABGR(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + const uint8_t* src_a, + int src_stride_a, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height, + int attenuate) { + return I420AlphaToARGBMatrix( + src_y, src_stride_y, src_v, src_stride_v, // Swap U and V + src_u, src_stride_u, src_a, src_stride_a, dst_abgr, dst_stride_abgr, + &kYvuI601Constants, // Use Yvu matrix + width, height, attenuate); +} + +// Convert I400 to ARGB. +LIBYUV_API +int I400ToARGB(const uint8_t* src_y, + int src_stride_y, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + int y; + void (*I400ToARGBRow)(const uint8_t* y_buf, uint8_t* rgb_buf, int width) = + I400ToARGBRow_C; + if (!src_y || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_argb = dst_argb + (height - 1) * dst_stride_argb; + dst_stride_argb = -dst_stride_argb; + } + // Coalesce rows. + if (src_stride_y == width && dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_y = dst_stride_argb = 0; + } +#if defined(HAS_I400TOARGBROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + I400ToARGBRow = I400ToARGBRow_Any_SSE2; + if (IS_ALIGNED(width, 8)) { + I400ToARGBRow = I400ToARGBRow_SSE2; + } + } +#endif +#if defined(HAS_I400TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I400ToARGBRow = I400ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I400ToARGBRow = I400ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_I400TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I400ToARGBRow = I400ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + I400ToARGBRow = I400ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_I400TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + I400ToARGBRow = I400ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 16)) { + I400ToARGBRow = I400ToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + I400ToARGBRow(src_y, dst_argb, width); + dst_argb += dst_stride_argb; + src_y += src_stride_y; + } + return 0; +} + +// Convert J400 to ARGB. +LIBYUV_API +int J400ToARGB(const uint8_t* src_y, + int src_stride_y, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + int y; + void (*J400ToARGBRow)(const uint8_t* src_y, uint8_t* dst_argb, int width) = + J400ToARGBRow_C; + if (!src_y || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_y = src_y + (height - 1) * src_stride_y; + src_stride_y = -src_stride_y; + } + // Coalesce rows. + if (src_stride_y == width && dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_y = dst_stride_argb = 0; + } +#if defined(HAS_J400TOARGBROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + J400ToARGBRow = J400ToARGBRow_Any_SSE2; + if (IS_ALIGNED(width, 8)) { + J400ToARGBRow = J400ToARGBRow_SSE2; + } + } +#endif +#if defined(HAS_J400TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + J400ToARGBRow = J400ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + J400ToARGBRow = J400ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_J400TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + J400ToARGBRow = J400ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + J400ToARGBRow = J400ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_J400TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + J400ToARGBRow = J400ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 16)) { + J400ToARGBRow = J400ToARGBRow_MSA; + } + } +#endif + for (y = 0; y < height; ++y) { + J400ToARGBRow(src_y, dst_argb, width); + src_y += src_stride_y; + dst_argb += dst_stride_argb; + } + return 0; +} + +// Shuffle table for converting BGRA to ARGB. +static const uvec8 kShuffleMaskBGRAToARGB = { + 3u, 2u, 1u, 0u, 7u, 6u, 5u, 4u, 11u, 10u, 9u, 8u, 15u, 14u, 13u, 12u}; + +// Shuffle table for converting ABGR to ARGB. +static const uvec8 kShuffleMaskABGRToARGB = { + 2u, 1u, 0u, 3u, 6u, 5u, 4u, 7u, 10u, 9u, 8u, 11u, 14u, 13u, 12u, 15u}; + +// Shuffle table for converting RGBA to ARGB. +static const uvec8 kShuffleMaskRGBAToARGB = { + 1u, 2u, 3u, 0u, 5u, 6u, 7u, 4u, 9u, 10u, 11u, 8u, 13u, 14u, 15u, 12u}; + +// Convert BGRA to ARGB. +LIBYUV_API +int BGRAToARGB(const uint8_t* src_bgra, + int src_stride_bgra, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return ARGBShuffle(src_bgra, src_stride_bgra, dst_argb, dst_stride_argb, + (const uint8_t*)(&kShuffleMaskBGRAToARGB), width, height); +} + +// Convert ARGB to BGRA (same as BGRAToARGB). +LIBYUV_API +int ARGBToBGRA(const uint8_t* src_bgra, + int src_stride_bgra, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return ARGBShuffle(src_bgra, src_stride_bgra, dst_argb, dst_stride_argb, + (const uint8_t*)(&kShuffleMaskBGRAToARGB), width, height); +} + +// Convert ABGR to ARGB. +LIBYUV_API +int ABGRToARGB(const uint8_t* src_abgr, + int src_stride_abgr, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return ARGBShuffle(src_abgr, src_stride_abgr, dst_argb, dst_stride_argb, + (const uint8_t*)(&kShuffleMaskABGRToARGB), width, height); +} + +// Convert ARGB to ABGR to (same as ABGRToARGB). +LIBYUV_API +int ARGBToABGR(const uint8_t* src_abgr, + int src_stride_abgr, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return ARGBShuffle(src_abgr, src_stride_abgr, dst_argb, dst_stride_argb, + (const uint8_t*)(&kShuffleMaskABGRToARGB), width, height); +} + +// Convert RGBA to ARGB. +LIBYUV_API +int RGBAToARGB(const uint8_t* src_rgba, + int src_stride_rgba, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return ARGBShuffle(src_rgba, src_stride_rgba, dst_argb, dst_stride_argb, + (const uint8_t*)(&kShuffleMaskRGBAToARGB), width, height); +} + +// Convert RGB24 to ARGB. +LIBYUV_API +int RGB24ToARGB(const uint8_t* src_rgb24, + int src_stride_rgb24, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + int y; + void (*RGB24ToARGBRow)(const uint8_t* src_rgb, uint8_t* dst_argb, int width) = + RGB24ToARGBRow_C; + if (!src_rgb24 || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_rgb24 = src_rgb24 + (height - 1) * src_stride_rgb24; + src_stride_rgb24 = -src_stride_rgb24; + } + // Coalesce rows. + if (src_stride_rgb24 == width * 3 && dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_rgb24 = dst_stride_argb = 0; + } +#if defined(HAS_RGB24TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + RGB24ToARGBRow = RGB24ToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 16)) { + RGB24ToARGBRow = RGB24ToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_RGB24TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + RGB24ToARGBRow = RGB24ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + RGB24ToARGBRow = RGB24ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_RGB24TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + RGB24ToARGBRow = RGB24ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 16)) { + RGB24ToARGBRow = RGB24ToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + RGB24ToARGBRow(src_rgb24, dst_argb, width); + src_rgb24 += src_stride_rgb24; + dst_argb += dst_stride_argb; + } + return 0; +} + +// Convert RAW to ARGB. +LIBYUV_API +int RAWToARGB(const uint8_t* src_raw, + int src_stride_raw, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + int y; + void (*RAWToARGBRow)(const uint8_t* src_rgb, uint8_t* dst_argb, int width) = + RAWToARGBRow_C; + if (!src_raw || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_raw = src_raw + (height - 1) * src_stride_raw; + src_stride_raw = -src_stride_raw; + } + // Coalesce rows. + if (src_stride_raw == width * 3 && dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_raw = dst_stride_argb = 0; + } +#if defined(HAS_RAWTOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + RAWToARGBRow = RAWToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 16)) { + RAWToARGBRow = RAWToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_RAWTOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + RAWToARGBRow = RAWToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + RAWToARGBRow = RAWToARGBRow_NEON; + } + } +#endif +#if defined(HAS_RAWTOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + RAWToARGBRow = RAWToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 16)) { + RAWToARGBRow = RAWToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + RAWToARGBRow(src_raw, dst_argb, width); + src_raw += src_stride_raw; + dst_argb += dst_stride_argb; + } + return 0; +} + +// Convert RGB565 to ARGB. +LIBYUV_API +int RGB565ToARGB(const uint8_t* src_rgb565, + int src_stride_rgb565, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + int y; + void (*RGB565ToARGBRow)(const uint8_t* src_rgb565, uint8_t* dst_argb, + int width) = RGB565ToARGBRow_C; + if (!src_rgb565 || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_rgb565 = src_rgb565 + (height - 1) * src_stride_rgb565; + src_stride_rgb565 = -src_stride_rgb565; + } + // Coalesce rows. + if (src_stride_rgb565 == width * 2 && dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_rgb565 = dst_stride_argb = 0; + } +#if defined(HAS_RGB565TOARGBROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + RGB565ToARGBRow = RGB565ToARGBRow_Any_SSE2; + if (IS_ALIGNED(width, 8)) { + RGB565ToARGBRow = RGB565ToARGBRow_SSE2; + } + } +#endif +#if defined(HAS_RGB565TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + RGB565ToARGBRow = RGB565ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + RGB565ToARGBRow = RGB565ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_RGB565TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + RGB565ToARGBRow = RGB565ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + RGB565ToARGBRow = RGB565ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_RGB565TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + RGB565ToARGBRow = RGB565ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 16)) { + RGB565ToARGBRow = RGB565ToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + RGB565ToARGBRow(src_rgb565, dst_argb, width); + src_rgb565 += src_stride_rgb565; + dst_argb += dst_stride_argb; + } + return 0; +} + +// Convert ARGB1555 to ARGB. +LIBYUV_API +int ARGB1555ToARGB(const uint8_t* src_argb1555, + int src_stride_argb1555, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + int y; + void (*ARGB1555ToARGBRow)(const uint8_t* src_argb1555, uint8_t* dst_argb, + int width) = ARGB1555ToARGBRow_C; + if (!src_argb1555 || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_argb1555 = src_argb1555 + (height - 1) * src_stride_argb1555; + src_stride_argb1555 = -src_stride_argb1555; + } + // Coalesce rows. + if (src_stride_argb1555 == width * 2 && dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_argb1555 = dst_stride_argb = 0; + } +#if defined(HAS_ARGB1555TOARGBROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + ARGB1555ToARGBRow = ARGB1555ToARGBRow_Any_SSE2; + if (IS_ALIGNED(width, 8)) { + ARGB1555ToARGBRow = ARGB1555ToARGBRow_SSE2; + } + } +#endif +#if defined(HAS_ARGB1555TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + ARGB1555ToARGBRow = ARGB1555ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + ARGB1555ToARGBRow = ARGB1555ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_ARGB1555TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + ARGB1555ToARGBRow = ARGB1555ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + ARGB1555ToARGBRow = ARGB1555ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_ARGB1555TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + ARGB1555ToARGBRow = ARGB1555ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 16)) { + ARGB1555ToARGBRow = ARGB1555ToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + ARGB1555ToARGBRow(src_argb1555, dst_argb, width); + src_argb1555 += src_stride_argb1555; + dst_argb += dst_stride_argb; + } + return 0; +} + +// Convert ARGB4444 to ARGB. +LIBYUV_API +int ARGB4444ToARGB(const uint8_t* src_argb4444, + int src_stride_argb4444, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + int y; + void (*ARGB4444ToARGBRow)(const uint8_t* src_argb4444, uint8_t* dst_argb, + int width) = ARGB4444ToARGBRow_C; + if (!src_argb4444 || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_argb4444 = src_argb4444 + (height - 1) * src_stride_argb4444; + src_stride_argb4444 = -src_stride_argb4444; + } + // Coalesce rows. + if (src_stride_argb4444 == width * 2 && dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_argb4444 = dst_stride_argb = 0; + } +#if defined(HAS_ARGB4444TOARGBROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + ARGB4444ToARGBRow = ARGB4444ToARGBRow_Any_SSE2; + if (IS_ALIGNED(width, 8)) { + ARGB4444ToARGBRow = ARGB4444ToARGBRow_SSE2; + } + } +#endif +#if defined(HAS_ARGB4444TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + ARGB4444ToARGBRow = ARGB4444ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + ARGB4444ToARGBRow = ARGB4444ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_ARGB4444TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + ARGB4444ToARGBRow = ARGB4444ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + ARGB4444ToARGBRow = ARGB4444ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_ARGB4444TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + ARGB4444ToARGBRow = ARGB4444ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 16)) { + ARGB4444ToARGBRow = ARGB4444ToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + ARGB4444ToARGBRow(src_argb4444, dst_argb, width); + src_argb4444 += src_stride_argb4444; + dst_argb += dst_stride_argb; + } + return 0; +} + +// Convert AR30 to ARGB. +LIBYUV_API +int AR30ToARGB(const uint8_t* src_ar30, + int src_stride_ar30, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + int y; + if (!src_ar30 || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_ar30 = src_ar30 + (height - 1) * src_stride_ar30; + src_stride_ar30 = -src_stride_ar30; + } + // Coalesce rows. + if (src_stride_ar30 == width * 4 && dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_ar30 = dst_stride_argb = 0; + } + for (y = 0; y < height; ++y) { + AR30ToARGBRow_C(src_ar30, dst_argb, width); + src_ar30 += src_stride_ar30; + dst_argb += dst_stride_argb; + } + return 0; +} + +// Convert AR30 to ABGR. +LIBYUV_API +int AR30ToABGR(const uint8_t* src_ar30, + int src_stride_ar30, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + int y; + if (!src_ar30 || !dst_abgr || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_ar30 = src_ar30 + (height - 1) * src_stride_ar30; + src_stride_ar30 = -src_stride_ar30; + } + // Coalesce rows. + if (src_stride_ar30 == width * 4 && dst_stride_abgr == width * 4) { + width *= height; + height = 1; + src_stride_ar30 = dst_stride_abgr = 0; + } + for (y = 0; y < height; ++y) { + AR30ToABGRRow_C(src_ar30, dst_abgr, width); + src_ar30 += src_stride_ar30; + dst_abgr += dst_stride_abgr; + } + return 0; +} + +// Convert AR30 to AB30. +LIBYUV_API +int AR30ToAB30(const uint8_t* src_ar30, + int src_stride_ar30, + uint8_t* dst_ab30, + int dst_stride_ab30, + int width, + int height) { + int y; + if (!src_ar30 || !dst_ab30 || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_ar30 = src_ar30 + (height - 1) * src_stride_ar30; + src_stride_ar30 = -src_stride_ar30; + } + // Coalesce rows. + if (src_stride_ar30 == width * 4 && dst_stride_ab30 == width * 4) { + width *= height; + height = 1; + src_stride_ar30 = dst_stride_ab30 = 0; + } + for (y = 0; y < height; ++y) { + AR30ToAB30Row_C(src_ar30, dst_ab30, width); + src_ar30 += src_stride_ar30; + dst_ab30 += dst_stride_ab30; + } + return 0; +} + +// Convert NV12 to ARGB with matrix +static int NV12ToARGBMatrix(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_argb, + int dst_stride_argb, + const struct YuvConstants* yuvconstants, + int width, + int height) { + int y; + void (*NV12ToARGBRow)( + const uint8_t* y_buf, const uint8_t* uv_buf, uint8_t* rgb_buf, + const struct YuvConstants* yuvconstants, int width) = NV12ToARGBRow_C; + if (!src_y || !src_uv || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_argb = dst_argb + (height - 1) * dst_stride_argb; + dst_stride_argb = -dst_stride_argb; + } +#if defined(HAS_NV12TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + NV12ToARGBRow = NV12ToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + NV12ToARGBRow = NV12ToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_NV12TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + NV12ToARGBRow = NV12ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + NV12ToARGBRow = NV12ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_NV12TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + NV12ToARGBRow = NV12ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + NV12ToARGBRow = NV12ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_NV12TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + NV12ToARGBRow = NV12ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 8)) { + NV12ToARGBRow = NV12ToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + NV12ToARGBRow(src_y, src_uv, dst_argb, yuvconstants, width); + dst_argb += dst_stride_argb; + src_y += src_stride_y; + if (y & 1) { + src_uv += src_stride_uv; + } + } + return 0; +} + +// Convert NV21 to ARGB with matrix +static int NV21ToARGBMatrix(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_vu, + int src_stride_vu, + uint8_t* dst_argb, + int dst_stride_argb, + const struct YuvConstants* yuvconstants, + int width, + int height) { + int y; + void (*NV21ToARGBRow)( + const uint8_t* y_buf, const uint8_t* uv_buf, uint8_t* rgb_buf, + const struct YuvConstants* yuvconstants, int width) = NV21ToARGBRow_C; + if (!src_y || !src_vu || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_argb = dst_argb + (height - 1) * dst_stride_argb; + dst_stride_argb = -dst_stride_argb; + } +#if defined(HAS_NV21TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + NV21ToARGBRow = NV21ToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + NV21ToARGBRow = NV21ToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_NV21TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + NV21ToARGBRow = NV21ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + NV21ToARGBRow = NV21ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_NV21TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + NV21ToARGBRow = NV21ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + NV21ToARGBRow = NV21ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_NV21TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + NV21ToARGBRow = NV21ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 8)) { + NV21ToARGBRow = NV21ToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height; ++y) { + NV21ToARGBRow(src_y, src_vu, dst_argb, yuvconstants, width); + dst_argb += dst_stride_argb; + src_y += src_stride_y; + if (y & 1) { + src_vu += src_stride_vu; + } + } + return 0; +} + +// Convert NV12 to ARGB. +LIBYUV_API +int NV12ToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return NV12ToARGBMatrix(src_y, src_stride_y, src_uv, src_stride_uv, dst_argb, + dst_stride_argb, &kYuvI601Constants, width, height); +} + +// Convert NV21 to ARGB. +LIBYUV_API +int NV21ToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_vu, + int src_stride_vu, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return NV21ToARGBMatrix(src_y, src_stride_y, src_vu, src_stride_vu, dst_argb, + dst_stride_argb, &kYuvI601Constants, width, height); +} + +// Convert NV12 to ABGR. +// To output ABGR instead of ARGB swap the UV and use a mirrrored yuc matrix. +// To swap the UV use NV12 instead of NV21.LIBYUV_API +int NV12ToABGR(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return NV21ToARGBMatrix(src_y, src_stride_y, src_uv, src_stride_uv, dst_abgr, + dst_stride_abgr, &kYvuI601Constants, width, height); +} + +// Convert NV21 to ABGR. +LIBYUV_API +int NV21ToABGR(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_vu, + int src_stride_vu, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return NV12ToARGBMatrix(src_y, src_stride_y, src_vu, src_stride_vu, dst_abgr, + dst_stride_abgr, &kYvuI601Constants, width, height); +} + +// TODO(fbarchard): Consider SSSE3 2 step conversion. +// Convert NV12 to RGB24 with matrix +static int NV12ToRGB24Matrix(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_rgb24, + int dst_stride_rgb24, + const struct YuvConstants* yuvconstants, + int width, + int height) { + int y; + void (*NV12ToRGB24Row)( + const uint8_t* y_buf, const uint8_t* uv_buf, uint8_t* rgb_buf, + const struct YuvConstants* yuvconstants, int width) = NV12ToRGB24Row_C; + if (!src_y || !src_uv || !dst_rgb24 || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_rgb24 = dst_rgb24 + (height - 1) * dst_stride_rgb24; + dst_stride_rgb24 = -dst_stride_rgb24; + } +#if defined(HAS_NV12TORGB24ROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + NV12ToRGB24Row = NV12ToRGB24Row_Any_NEON; + if (IS_ALIGNED(width, 8)) { + NV12ToRGB24Row = NV12ToRGB24Row_NEON; + } + } +#endif +#if defined(HAS_NV12TORGB24ROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + NV12ToRGB24Row = NV12ToRGB24Row_Any_SSSE3; + if (IS_ALIGNED(width, 16)) { + NV12ToRGB24Row = NV12ToRGB24Row_SSSE3; + } + } +#endif +#if defined(HAS_NV12TORGB24ROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + NV12ToRGB24Row = NV12ToRGB24Row_Any_AVX2; + if (IS_ALIGNED(width, 32)) { + NV12ToRGB24Row = NV12ToRGB24Row_AVX2; + } + } +#endif + + for (y = 0; y < height; ++y) { + NV12ToRGB24Row(src_y, src_uv, dst_rgb24, yuvconstants, width); + dst_rgb24 += dst_stride_rgb24; + src_y += src_stride_y; + if (y & 1) { + src_uv += src_stride_uv; + } + } + return 0; +} + +// Convert NV21 to RGB24 with matrix +static int NV21ToRGB24Matrix(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_vu, + int src_stride_vu, + uint8_t* dst_rgb24, + int dst_stride_rgb24, + const struct YuvConstants* yuvconstants, + int width, + int height) { + int y; + void (*NV21ToRGB24Row)( + const uint8_t* y_buf, const uint8_t* uv_buf, uint8_t* rgb_buf, + const struct YuvConstants* yuvconstants, int width) = NV21ToRGB24Row_C; + if (!src_y || !src_vu || !dst_rgb24 || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_rgb24 = dst_rgb24 + (height - 1) * dst_stride_rgb24; + dst_stride_rgb24 = -dst_stride_rgb24; + } +#if defined(HAS_NV21TORGB24ROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + NV21ToRGB24Row = NV21ToRGB24Row_Any_NEON; + if (IS_ALIGNED(width, 8)) { + NV21ToRGB24Row = NV21ToRGB24Row_NEON; + } + } +#endif +#if defined(HAS_NV21TORGB24ROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + NV21ToRGB24Row = NV21ToRGB24Row_Any_SSSE3; + if (IS_ALIGNED(width, 16)) { + NV21ToRGB24Row = NV21ToRGB24Row_SSSE3; + } + } +#endif +#if defined(HAS_NV21TORGB24ROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + NV21ToRGB24Row = NV21ToRGB24Row_Any_AVX2; + if (IS_ALIGNED(width, 32)) { + NV21ToRGB24Row = NV21ToRGB24Row_AVX2; + } + } +#endif + + for (y = 0; y < height; ++y) { + NV21ToRGB24Row(src_y, src_vu, dst_rgb24, yuvconstants, width); + dst_rgb24 += dst_stride_rgb24; + src_y += src_stride_y; + if (y & 1) { + src_vu += src_stride_vu; + } + } + return 0; +} + +// TODO(fbarchard): NV12ToRAW can be implemented by mirrored matrix. +// Convert NV12 to RGB24. +LIBYUV_API +int NV12ToRGB24(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_rgb24, + int dst_stride_rgb24, + int width, + int height) { + return NV12ToRGB24Matrix(src_y, src_stride_y, src_uv, src_stride_uv, + dst_rgb24, dst_stride_rgb24, &kYuvI601Constants, + width, height); +} + +// Convert NV21 to RGB24. +LIBYUV_API +int NV21ToRGB24(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_vu, + int src_stride_vu, + uint8_t* dst_rgb24, + int dst_stride_rgb24, + int width, + int height) { + return NV21ToRGB24Matrix(src_y, src_stride_y, src_vu, src_stride_vu, + dst_rgb24, dst_stride_rgb24, &kYuvI601Constants, + width, height); +} + +// Convert M420 to ARGB. +LIBYUV_API +int M420ToARGB(const uint8_t* src_m420, + int src_stride_m420, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + int y; + void (*NV12ToARGBRow)( + const uint8_t* y_buf, const uint8_t* uv_buf, uint8_t* rgb_buf, + const struct YuvConstants* yuvconstants, int width) = NV12ToARGBRow_C; + if (!src_m420 || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_argb = dst_argb + (height - 1) * dst_stride_argb; + dst_stride_argb = -dst_stride_argb; + } +#if defined(HAS_NV12TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + NV12ToARGBRow = NV12ToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + NV12ToARGBRow = NV12ToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_NV12TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + NV12ToARGBRow = NV12ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + NV12ToARGBRow = NV12ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_NV12TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + NV12ToARGBRow = NV12ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + NV12ToARGBRow = NV12ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_NV12TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + NV12ToARGBRow = NV12ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 8)) { + NV12ToARGBRow = NV12ToARGBRow_MSA; + } + } +#endif + + for (y = 0; y < height - 1; y += 2) { + NV12ToARGBRow(src_m420, src_m420 + src_stride_m420 * 2, dst_argb, + &kYuvI601Constants, width); + NV12ToARGBRow(src_m420 + src_stride_m420, src_m420 + src_stride_m420 * 2, + dst_argb + dst_stride_argb, &kYuvI601Constants, width); + dst_argb += dst_stride_argb * 2; + src_m420 += src_stride_m420 * 3; + } + if (height & 1) { + NV12ToARGBRow(src_m420, src_m420 + src_stride_m420 * 2, dst_argb, + &kYuvI601Constants, width); + } + return 0; +} + +// Convert YUY2 to ARGB. +LIBYUV_API +int YUY2ToARGB(const uint8_t* src_yuy2, + int src_stride_yuy2, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + int y; + void (*YUY2ToARGBRow)(const uint8_t* src_yuy2, uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, int width) = + YUY2ToARGBRow_C; + if (!src_yuy2 || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_yuy2 = src_yuy2 + (height - 1) * src_stride_yuy2; + src_stride_yuy2 = -src_stride_yuy2; + } + // Coalesce rows. + if (src_stride_yuy2 == width * 2 && dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_yuy2 = dst_stride_argb = 0; + } +#if defined(HAS_YUY2TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + YUY2ToARGBRow = YUY2ToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 16)) { + YUY2ToARGBRow = YUY2ToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_YUY2TOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + YUY2ToARGBRow = YUY2ToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 32)) { + YUY2ToARGBRow = YUY2ToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_YUY2TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + YUY2ToARGBRow = YUY2ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + YUY2ToARGBRow = YUY2ToARGBRow_NEON; + } + } +#endif +#if defined(HAS_YUY2TOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + YUY2ToARGBRow = YUY2ToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 8)) { + YUY2ToARGBRow = YUY2ToARGBRow_MSA; + } + } +#endif + for (y = 0; y < height; ++y) { + YUY2ToARGBRow(src_yuy2, dst_argb, &kYuvI601Constants, width); + src_yuy2 += src_stride_yuy2; + dst_argb += dst_stride_argb; + } + return 0; +} + +// Convert UYVY to ARGB. +LIBYUV_API +int UYVYToARGB(const uint8_t* src_uyvy, + int src_stride_uyvy, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + int y; + void (*UYVYToARGBRow)(const uint8_t* src_uyvy, uint8_t* dst_argb, + const struct YuvConstants* yuvconstants, int width) = + UYVYToARGBRow_C; + if (!src_uyvy || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + src_uyvy = src_uyvy + (height - 1) * src_stride_uyvy; + src_stride_uyvy = -src_stride_uyvy; + } + // Coalesce rows. + if (src_stride_uyvy == width * 2 && dst_stride_argb == width * 4) { + width *= height; + height = 1; + src_stride_uyvy = dst_stride_argb = 0; + } +#if defined(HAS_UYVYTOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + UYVYToARGBRow = UYVYToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 16)) { + UYVYToARGBRow = UYVYToARGBRow_SSSE3; + } + } +#endif +#if defined(HAS_UYVYTOARGBROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + UYVYToARGBRow = UYVYToARGBRow_Any_AVX2; + if (IS_ALIGNED(width, 32)) { + UYVYToARGBRow = UYVYToARGBRow_AVX2; + } + } +#endif +#if defined(HAS_UYVYTOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + UYVYToARGBRow = UYVYToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + UYVYToARGBRow = UYVYToARGBRow_NEON; + } + } +#endif +#if defined(HAS_UYVYTOARGBROW_MSA) + if (TestCpuFlag(kCpuHasMSA)) { + UYVYToARGBRow = UYVYToARGBRow_Any_MSA; + if (IS_ALIGNED(width, 8)) { + UYVYToARGBRow = UYVYToARGBRow_MSA; + } + } +#endif + for (y = 0; y < height; ++y) { + UYVYToARGBRow(src_uyvy, dst_argb, &kYuvI601Constants, width); + src_uyvy += src_stride_uyvy; + dst_argb += dst_stride_argb; + } + return 0; +} +static void WeavePixels(const uint8_t* src_u, + const uint8_t* src_v, + int src_pixel_stride_uv, + uint8_t* dst_uv, + int width) { + int i; + for (i = 0; i < width; ++i) { + dst_uv[0] = *src_u; + dst_uv[1] = *src_v; + dst_uv += 2; + src_u += src_pixel_stride_uv; + src_v += src_pixel_stride_uv; + } +} + +// Convert Android420 to ARGB. +LIBYUV_API +int Android420ToARGBMatrix(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + int src_pixel_stride_uv, + uint8_t* dst_argb, + int dst_stride_argb, + const struct YuvConstants* yuvconstants, + int width, + int height) { + int y; + uint8_t* dst_uv; + const ptrdiff_t vu_off = src_v - src_u; + int halfwidth = (width + 1) >> 1; + int halfheight = (height + 1) >> 1; + if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + halfheight = (height + 1) >> 1; + dst_argb = dst_argb + (height - 1) * dst_stride_argb; + dst_stride_argb = -dst_stride_argb; + } + + // I420 + if (src_pixel_stride_uv == 1) { + return I420ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, dst_argb, dst_stride_argb, + yuvconstants, width, height); + // NV21 + } + if (src_pixel_stride_uv == 2 && vu_off == -1 && + src_stride_u == src_stride_v) { + return NV21ToARGBMatrix(src_y, src_stride_y, src_v, src_stride_v, dst_argb, + dst_stride_argb, yuvconstants, width, height); + // NV12 + } + if (src_pixel_stride_uv == 2 && vu_off == 1 && src_stride_u == src_stride_v) { + return NV12ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, dst_argb, + dst_stride_argb, yuvconstants, width, height); + } + + // General case fallback creates NV12 + align_buffer_64(plane_uv, halfwidth * 2 * halfheight); + dst_uv = plane_uv; + for (y = 0; y < halfheight; ++y) { + WeavePixels(src_u, src_v, src_pixel_stride_uv, dst_uv, halfwidth); + src_u += src_stride_u; + src_v += src_stride_v; + dst_uv += halfwidth * 2; + } + NV12ToARGBMatrix(src_y, src_stride_y, plane_uv, halfwidth * 2, dst_argb, + dst_stride_argb, yuvconstants, width, height); + free_aligned_buffer_64(plane_uv); + return 0; +} + +// Convert Android420 to ARGB. +LIBYUV_API +int Android420ToARGB(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + int src_pixel_stride_uv, + uint8_t* dst_argb, + int dst_stride_argb, + int width, + int height) { + return Android420ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v, + src_stride_v, src_pixel_stride_uv, dst_argb, + dst_stride_argb, &kYuvI601Constants, width, + height); +} + +// Convert Android420 to ABGR. +LIBYUV_API +int Android420ToABGR(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + int src_pixel_stride_uv, + uint8_t* dst_abgr, + int dst_stride_abgr, + int width, + int height) { + return Android420ToARGBMatrix(src_y, src_stride_y, src_v, src_stride_v, src_u, + src_stride_u, src_pixel_stride_uv, dst_abgr, + dst_stride_abgr, &kYvuI601Constants, width, + height); +} + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif |