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Diffstat (limited to 'third_party/libyuv/source/convert_from.cc')
| -rw-r--r-- | third_party/libyuv/source/convert_from.cc | 1166 |
1 files changed, 1166 insertions, 0 deletions
diff --git a/third_party/libyuv/source/convert_from.cc b/third_party/libyuv/source/convert_from.cc new file mode 100644 index 00000000..46abdebc --- /dev/null +++ b/third_party/libyuv/source/convert_from.cc @@ -0,0 +1,1166 @@ +/* + * Copyright 2012 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_from.h" + +#include "libyuv/basic_types.h" +#include "libyuv/convert.h" // For I420Copy +#include "libyuv/cpu_id.h" +#include "libyuv/planar_functions.h" +#include "libyuv/rotate.h" +#include "libyuv/scale.h" // For ScalePlane() +#include "libyuv/video_common.h" +#include "libyuv/row.h" + +#ifdef __cplusplus +namespace libyuv { +extern "C" { +#endif + +#define SUBSAMPLE(v, a, s) (v < 0) ? (-((-v + a) >> s)) : ((v + a) >> s) +static __inline int Abs(int v) { + return v >= 0 ? v : -v; +} + +// I420 To any I4xx YUV format with mirroring. +static int I420ToI4xx(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_y, int dst_stride_y, + uint8* dst_u, int dst_stride_u, + uint8* dst_v, int dst_stride_v, + int src_y_width, int src_y_height, + int dst_uv_width, int dst_uv_height) { + const int dst_y_width = Abs(src_y_width); + const int dst_y_height = Abs(src_y_height); + const int src_uv_width = SUBSAMPLE(src_y_width, 1, 1); + const int src_uv_height = SUBSAMPLE(src_y_height, 1, 1); + if (src_y_width == 0 || src_y_height == 0 || + dst_uv_width <= 0 || dst_uv_height <= 0) { + return -1; + } + ScalePlane(src_y, src_stride_y, src_y_width, src_y_height, + dst_y, dst_stride_y, dst_y_width, dst_y_height, + kFilterBilinear); + ScalePlane(src_u, src_stride_u, src_uv_width, src_uv_height, + dst_u, dst_stride_u, dst_uv_width, dst_uv_height, + kFilterBilinear); + ScalePlane(src_v, src_stride_v, src_uv_width, src_uv_height, + dst_v, dst_stride_v, dst_uv_width, dst_uv_height, + kFilterBilinear); + return 0; +} + +// 420 chroma is 1/2 width, 1/2 height +// 422 chroma is 1/2 width, 1x height +LIBYUV_API +int I420ToI422(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_y, int dst_stride_y, + uint8* dst_u, int dst_stride_u, + uint8* dst_v, int dst_stride_v, + int width, int height) { + const int dst_uv_width = (Abs(width) + 1) >> 1; + const int dst_uv_height = Abs(height); + return I420ToI4xx(src_y, src_stride_y, + src_u, src_stride_u, + src_v, src_stride_v, + dst_y, dst_stride_y, + dst_u, dst_stride_u, + dst_v, dst_stride_v, + width, height, + dst_uv_width, dst_uv_height); +} + +// 420 chroma is 1/2 width, 1/2 height +// 444 chroma is 1x width, 1x height +LIBYUV_API +int I420ToI444(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_y, int dst_stride_y, + uint8* dst_u, int dst_stride_u, + uint8* dst_v, int dst_stride_v, + int width, int height) { + const int dst_uv_width = Abs(width); + const int dst_uv_height = Abs(height); + return I420ToI4xx(src_y, src_stride_y, + src_u, src_stride_u, + src_v, src_stride_v, + dst_y, dst_stride_y, + dst_u, dst_stride_u, + dst_v, dst_stride_v, + width, height, + dst_uv_width, dst_uv_height); +} + +// 420 chroma is 1/2 width, 1/2 height +// 411 chroma is 1/4 width, 1x height +LIBYUV_API +int I420ToI411(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_y, int dst_stride_y, + uint8* dst_u, int dst_stride_u, + uint8* dst_v, int dst_stride_v, + int width, int height) { + const int dst_uv_width = (Abs(width) + 3) >> 2; + const int dst_uv_height = Abs(height); + return I420ToI4xx(src_y, src_stride_y, + src_u, src_stride_u, + src_v, src_stride_v, + dst_y, dst_stride_y, + dst_u, dst_stride_u, + dst_v, dst_stride_v, + width, height, + dst_uv_width, dst_uv_height); +} + +// Copy to I400. Source can be I420,422,444,400,NV12,NV21 +LIBYUV_API +int I400Copy(const uint8* src_y, int src_stride_y, + uint8* dst_y, int dst_stride_y, + int width, int height) { + if (!src_y || !dst_y || + 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; + } + CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); + return 0; +} + +LIBYUV_API +int I422ToYUY2(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_yuy2, int dst_stride_yuy2, + int width, int height) { + int y; + void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u, + const uint8* src_v, uint8* dst_yuy2, int width) = + I422ToYUY2Row_C; + if (!src_y || !src_u || !src_v || !dst_yuy2 || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2; + dst_stride_yuy2 = -dst_stride_yuy2; + } + // Coalesce rows. + if (src_stride_y == width && + src_stride_u * 2 == width && + src_stride_v * 2 == width && + dst_stride_yuy2 == width * 2) { + width *= height; + height = 1; + src_stride_y = src_stride_u = src_stride_v = dst_stride_yuy2 = 0; + } +#if defined(HAS_I422TOYUY2ROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + I422ToYUY2Row = I422ToYUY2Row_Any_SSE2; + if (IS_ALIGNED(width, 16)) { + I422ToYUY2Row = I422ToYUY2Row_SSE2; + } + } +#endif +#if defined(HAS_I422TOYUY2ROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToYUY2Row = I422ToYUY2Row_Any_NEON; + if (IS_ALIGNED(width, 16)) { + I422ToYUY2Row = I422ToYUY2Row_NEON; + } + } +#endif + + for (y = 0; y < height; ++y) { + I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width); + src_y += src_stride_y; + src_u += src_stride_u; + src_v += src_stride_v; + dst_yuy2 += dst_stride_yuy2; + } + return 0; +} + +LIBYUV_API +int I420ToYUY2(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_yuy2, int dst_stride_yuy2, + int width, int height) { + int y; + void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u, + const uint8* src_v, uint8* dst_yuy2, int width) = + I422ToYUY2Row_C; + if (!src_y || !src_u || !src_v || !dst_yuy2 || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2; + dst_stride_yuy2 = -dst_stride_yuy2; + } +#if defined(HAS_I422TOYUY2ROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + I422ToYUY2Row = I422ToYUY2Row_Any_SSE2; + if (IS_ALIGNED(width, 16)) { + I422ToYUY2Row = I422ToYUY2Row_SSE2; + } + } +#endif +#if defined(HAS_I422TOYUY2ROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToYUY2Row = I422ToYUY2Row_Any_NEON; + if (IS_ALIGNED(width, 16)) { + I422ToYUY2Row = I422ToYUY2Row_NEON; + } + } +#endif + + for (y = 0; y < height - 1; y += 2) { + I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width); + I422ToYUY2Row(src_y + src_stride_y, src_u, src_v, + dst_yuy2 + dst_stride_yuy2, width); + src_y += src_stride_y * 2; + src_u += src_stride_u; + src_v += src_stride_v; + dst_yuy2 += dst_stride_yuy2 * 2; + } + if (height & 1) { + I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width); + } + return 0; +} + +LIBYUV_API +int I422ToUYVY(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_uyvy, int dst_stride_uyvy, + int width, int height) { + int y; + void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u, + const uint8* src_v, uint8* dst_uyvy, int width) = + I422ToUYVYRow_C; + if (!src_y || !src_u || !src_v || !dst_uyvy || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy; + dst_stride_uyvy = -dst_stride_uyvy; + } + // Coalesce rows. + if (src_stride_y == width && + src_stride_u * 2 == width && + src_stride_v * 2 == width && + dst_stride_uyvy == width * 2) { + width *= height; + height = 1; + src_stride_y = src_stride_u = src_stride_v = dst_stride_uyvy = 0; + } +#if defined(HAS_I422TOUYVYROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + I422ToUYVYRow = I422ToUYVYRow_Any_SSE2; + if (IS_ALIGNED(width, 16)) { + I422ToUYVYRow = I422ToUYVYRow_SSE2; + } + } +#endif +#if defined(HAS_I422TOUYVYROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToUYVYRow = I422ToUYVYRow_Any_NEON; + if (IS_ALIGNED(width, 16)) { + I422ToUYVYRow = I422ToUYVYRow_NEON; + } + } +#endif + + for (y = 0; y < height; ++y) { + I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width); + src_y += src_stride_y; + src_u += src_stride_u; + src_v += src_stride_v; + dst_uyvy += dst_stride_uyvy; + } + return 0; +} + +LIBYUV_API +int I420ToUYVY(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_uyvy, int dst_stride_uyvy, + int width, int height) { + int y; + void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u, + const uint8* src_v, uint8* dst_uyvy, int width) = + I422ToUYVYRow_C; + if (!src_y || !src_u || !src_v || !dst_uyvy || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy; + dst_stride_uyvy = -dst_stride_uyvy; + } +#if defined(HAS_I422TOUYVYROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + I422ToUYVYRow = I422ToUYVYRow_Any_SSE2; + if (IS_ALIGNED(width, 16)) { + I422ToUYVYRow = I422ToUYVYRow_SSE2; + } + } +#endif +#if defined(HAS_I422TOUYVYROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToUYVYRow = I422ToUYVYRow_Any_NEON; + if (IS_ALIGNED(width, 16)) { + I422ToUYVYRow = I422ToUYVYRow_NEON; + } + } +#endif + + for (y = 0; y < height - 1; y += 2) { + I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width); + I422ToUYVYRow(src_y + src_stride_y, src_u, src_v, + dst_uyvy + dst_stride_uyvy, width); + src_y += src_stride_y * 2; + src_u += src_stride_u; + src_v += src_stride_v; + dst_uyvy += dst_stride_uyvy * 2; + } + if (height & 1) { + I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width); + } + return 0; +} + +LIBYUV_API +int I420ToNV12(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_y, int dst_stride_y, + uint8* dst_uv, int dst_stride_uv, + int width, int height) { + int y; + void (*MergeUVRow_)(const uint8* src_u, const uint8* src_v, uint8* dst_uv, + int width) = MergeUVRow_C; + // Coalesce rows. + int halfwidth = (width + 1) >> 1; + int halfheight = (height + 1) >> 1; + if (!src_y || !src_u || !src_v || !dst_y || !dst_uv || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + halfheight = (height + 1) >> 1; + dst_y = dst_y + (height - 1) * dst_stride_y; + dst_uv = dst_uv + (halfheight - 1) * dst_stride_uv; + dst_stride_y = -dst_stride_y; + dst_stride_uv = -dst_stride_uv; + } + if (src_stride_y == width && + dst_stride_y == width) { + width *= height; + height = 1; + src_stride_y = dst_stride_y = 0; + } + // Coalesce rows. + if (src_stride_u == halfwidth && + src_stride_v == halfwidth && + dst_stride_uv == halfwidth * 2) { + halfwidth *= halfheight; + halfheight = 1; + src_stride_u = src_stride_v = dst_stride_uv = 0; + } +#if defined(HAS_MERGEUVROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + MergeUVRow_ = MergeUVRow_Any_SSE2; + if (IS_ALIGNED(halfwidth, 16)) { + MergeUVRow_ = MergeUVRow_SSE2; + } + } +#endif +#if defined(HAS_MERGEUVROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + MergeUVRow_ = MergeUVRow_Any_AVX2; + if (IS_ALIGNED(halfwidth, 32)) { + MergeUVRow_ = MergeUVRow_AVX2; + } + } +#endif +#if defined(HAS_MERGEUVROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + MergeUVRow_ = MergeUVRow_Any_NEON; + if (IS_ALIGNED(halfwidth, 16)) { + MergeUVRow_ = MergeUVRow_NEON; + } + } +#endif + + CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); + for (y = 0; y < halfheight; ++y) { + // Merge a row of U and V into a row of UV. + MergeUVRow_(src_u, src_v, dst_uv, halfwidth); + src_u += src_stride_u; + src_v += src_stride_v; + dst_uv += dst_stride_uv; + } + return 0; +} + +LIBYUV_API +int I420ToNV21(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_y, int dst_stride_y, + uint8* dst_vu, int dst_stride_vu, + int width, int height) { + return I420ToNV12(src_y, src_stride_y, + src_v, src_stride_v, + src_u, src_stride_u, + dst_y, dst_stride_y, + dst_vu, dst_stride_vu, + width, height); +} + +// Convert I422 to RGBA with matrix +static int I420ToRGBAMatrix(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_rgba, int dst_stride_rgba, + const struct YuvConstants* yuvconstants, + int width, int height) { + int y; + void (*I422ToRGBARow)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + const struct YuvConstants* yuvconstants, + int width) = I422ToRGBARow_C; + if (!src_y || !src_u || !src_v || !dst_rgba || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_rgba = dst_rgba + (height - 1) * dst_stride_rgba; + dst_stride_rgba = -dst_stride_rgba; + } +#if defined(HAS_I422TORGBAROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I422ToRGBARow = I422ToRGBARow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToRGBARow = I422ToRGBARow_SSSE3; + } + } +#endif +#if defined(HAS_I422TORGBAROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I422ToRGBARow = I422ToRGBARow_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I422ToRGBARow = I422ToRGBARow_AVX2; + } + } +#endif +#if defined(HAS_I422TORGBAROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToRGBARow = I422ToRGBARow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + I422ToRGBARow = I422ToRGBARow_NEON; + } + } +#endif +#if defined(HAS_I422TORGBAROW_DSPR2) + if (TestCpuFlag(kCpuHasDSPR2) && 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) && + IS_ALIGNED(dst_rgba, 4) && IS_ALIGNED(dst_stride_rgba, 4)) { + I422ToRGBARow = I422ToRGBARow_DSPR2; + } +#endif + + for (y = 0; y < height; ++y) { + I422ToRGBARow(src_y, src_u, src_v, dst_rgba, yuvconstants, width); + dst_rgba += dst_stride_rgba; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + return 0; +} + +// Convert I420 to RGBA. +LIBYUV_API +int I420ToRGBA(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_rgba, int dst_stride_rgba, + int width, int height) { + return I420ToRGBAMatrix(src_y, src_stride_y, + src_u, src_stride_u, + src_v, src_stride_v, + dst_rgba, dst_stride_rgba, + &kYuvI601Constants, + width, height); +} + +// Convert I420 to BGRA. +LIBYUV_API +int I420ToBGRA(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_bgra, int dst_stride_bgra, + int width, int height) { + return I420ToRGBAMatrix(src_y, src_stride_y, + src_v, src_stride_v, // Swap U and V + src_u, src_stride_u, + dst_bgra, dst_stride_bgra, + &kYvuI601Constants, // Use Yvu matrix + width, height); +} + +// Convert I420 to RGB24 with matrix +static int I420ToRGB24Matrix(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_rgb24, int dst_stride_rgb24, + const struct YuvConstants* yuvconstants, + int width, int height) { + int y; + void (*I422ToRGB24Row)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + const struct YuvConstants* yuvconstants, + int width) = I422ToRGB24Row_C; + if (!src_y || !src_u || !src_v || !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_I422TORGB24ROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I422ToRGB24Row = I422ToRGB24Row_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToRGB24Row = I422ToRGB24Row_SSSE3; + } + } +#endif +#if defined(HAS_I422TORGB24ROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I422ToRGB24Row = I422ToRGB24Row_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I422ToRGB24Row = I422ToRGB24Row_AVX2; + } + } +#endif +#if defined(HAS_I422TORGB24ROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToRGB24Row = I422ToRGB24Row_Any_NEON; + if (IS_ALIGNED(width, 8)) { + I422ToRGB24Row = I422ToRGB24Row_NEON; + } + } +#endif + + for (y = 0; y < height; ++y) { + I422ToRGB24Row(src_y, src_u, src_v, dst_rgb24, yuvconstants, width); + dst_rgb24 += dst_stride_rgb24; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + return 0; +} + +// Convert I420 to RGB24. +LIBYUV_API +int I420ToRGB24(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_rgb24, int dst_stride_rgb24, + int width, int height) { + return I420ToRGB24Matrix(src_y, src_stride_y, + src_u, src_stride_u, + src_v, src_stride_v, + dst_rgb24, dst_stride_rgb24, + &kYuvI601Constants, + width, height); +} + +// Convert I420 to RAW. +LIBYUV_API +int I420ToRAW(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_raw, int dst_stride_raw, + int width, int height) { + return I420ToRGB24Matrix(src_y, src_stride_y, + src_v, src_stride_v, // Swap U and V + src_u, src_stride_u, + dst_raw, dst_stride_raw, + &kYvuI601Constants, // Use Yvu matrix + width, height); +} + +// Convert I420 to ARGB1555. +LIBYUV_API +int I420ToARGB1555(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_argb1555, int dst_stride_argb1555, + int width, int height) { + int y; + void (*I422ToARGB1555Row)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + const struct YuvConstants* yuvconstants, + int width) = I422ToARGB1555Row_C; + if (!src_y || !src_u || !src_v || !dst_argb1555 || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_argb1555 = dst_argb1555 + (height - 1) * dst_stride_argb1555; + dst_stride_argb1555 = -dst_stride_argb1555; + } +#if defined(HAS_I422TOARGB1555ROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I422ToARGB1555Row = I422ToARGB1555Row_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToARGB1555Row = I422ToARGB1555Row_SSSE3; + } + } +#endif +#if defined(HAS_I422TOARGB1555ROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I422ToARGB1555Row = I422ToARGB1555Row_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I422ToARGB1555Row = I422ToARGB1555Row_AVX2; + } + } +#endif +#if defined(HAS_I422TOARGB1555ROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToARGB1555Row = I422ToARGB1555Row_Any_NEON; + if (IS_ALIGNED(width, 8)) { + I422ToARGB1555Row = I422ToARGB1555Row_NEON; + } + } +#endif + + for (y = 0; y < height; ++y) { + I422ToARGB1555Row(src_y, src_u, src_v, dst_argb1555, &kYuvI601Constants, + width); + dst_argb1555 += dst_stride_argb1555; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + return 0; +} + + +// Convert I420 to ARGB4444. +LIBYUV_API +int I420ToARGB4444(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_argb4444, int dst_stride_argb4444, + int width, int height) { + int y; + void (*I422ToARGB4444Row)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + const struct YuvConstants* yuvconstants, + int width) = I422ToARGB4444Row_C; + if (!src_y || !src_u || !src_v || !dst_argb4444 || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_argb4444 = dst_argb4444 + (height - 1) * dst_stride_argb4444; + dst_stride_argb4444 = -dst_stride_argb4444; + } +#if defined(HAS_I422TOARGB4444ROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I422ToARGB4444Row = I422ToARGB4444Row_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToARGB4444Row = I422ToARGB4444Row_SSSE3; + } + } +#endif +#if defined(HAS_I422TOARGB4444ROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I422ToARGB4444Row = I422ToARGB4444Row_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I422ToARGB4444Row = I422ToARGB4444Row_AVX2; + } + } +#endif +#if defined(HAS_I422TOARGB4444ROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToARGB4444Row = I422ToARGB4444Row_Any_NEON; + if (IS_ALIGNED(width, 8)) { + I422ToARGB4444Row = I422ToARGB4444Row_NEON; + } + } +#endif + + for (y = 0; y < height; ++y) { + I422ToARGB4444Row(src_y, src_u, src_v, dst_argb4444, &kYuvI601Constants, + width); + dst_argb4444 += dst_stride_argb4444; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + return 0; +} + +// Convert I420 to RGB565. +LIBYUV_API +int I420ToRGB565(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_rgb565, int dst_stride_rgb565, + int width, int height) { + int y; + void (*I422ToRGB565Row)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + const struct YuvConstants* yuvconstants, + int width) = I422ToRGB565Row_C; + if (!src_y || !src_u || !src_v || !dst_rgb565 || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_rgb565 = dst_rgb565 + (height - 1) * dst_stride_rgb565; + dst_stride_rgb565 = -dst_stride_rgb565; + } +#if defined(HAS_I422TORGB565ROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I422ToRGB565Row = I422ToRGB565Row_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToRGB565Row = I422ToRGB565Row_SSSE3; + } + } +#endif +#if defined(HAS_I422TORGB565ROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + I422ToRGB565Row = I422ToRGB565Row_Any_AVX2; + if (IS_ALIGNED(width, 16)) { + I422ToRGB565Row = I422ToRGB565Row_AVX2; + } + } +#endif +#if defined(HAS_I422TORGB565ROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToRGB565Row = I422ToRGB565Row_Any_NEON; + if (IS_ALIGNED(width, 8)) { + I422ToRGB565Row = I422ToRGB565Row_NEON; + } + } +#endif + + for (y = 0; y < height; ++y) { + I422ToRGB565Row(src_y, src_u, src_v, dst_rgb565, &kYuvI601Constants, width); + dst_rgb565 += dst_stride_rgb565; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + return 0; +} + +// Ordered 8x8 dither for 888 to 565. Values from 0 to 7. +static const uint8 kDither565_4x4[16] = { + 0, 4, 1, 5, + 6, 2, 7, 3, + 1, 5, 0, 4, + 7, 3, 6, 2, +}; + +// Convert I420 to RGB565 with dithering. +LIBYUV_API +int I420ToRGB565Dither(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_rgb565, int dst_stride_rgb565, + const uint8* dither4x4, int width, int height) { + int y; + void (*I422ToARGBRow)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + const struct YuvConstants* yuvconstants, + int width) = I422ToARGBRow_C; + void (*ARGBToRGB565DitherRow)(const uint8* src_argb, uint8* dst_rgb, + const uint32 dither4, int width) = ARGBToRGB565DitherRow_C; + if (!src_y || !src_u || !src_v || !dst_rgb565 || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_rgb565 = dst_rgb565 + (height - 1) * dst_stride_rgb565; + dst_stride_rgb565 = -dst_stride_rgb565; + } + if (!dither4x4) { + dither4x4 = kDither565_4x4; + } +#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_DSPR2) + if (TestCpuFlag(kCpuHasDSPR2) && 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_DSPR2; + } +#endif +#if defined(HAS_ARGBTORGB565DITHERROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_SSE2; + if (IS_ALIGNED(width, 4)) { + ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_SSE2; + } + } +#endif +#if defined(HAS_ARGBTORGB565DITHERROW_AVX2) + if (TestCpuFlag(kCpuHasAVX2)) { + ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_AVX2; + if (IS_ALIGNED(width, 8)) { + ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_AVX2; + } + } +#endif +#if defined(HAS_ARGBTORGB565DITHERROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_NEON; + if (IS_ALIGNED(width, 8)) { + ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_NEON; + } + } +#endif + { + // Allocate a row of argb. + align_buffer_64(row_argb, width * 4); + for (y = 0; y < height; ++y) { + I422ToARGBRow(src_y, src_u, src_v, row_argb, &kYuvI601Constants, width); + ARGBToRGB565DitherRow(row_argb, dst_rgb565, + *(uint32*)(dither4x4 + ((y & 3) << 2)), width); + dst_rgb565 += dst_stride_rgb565; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + free_aligned_buffer_64(row_argb); + } + return 0; +} + +// Convert I420 to specified format +LIBYUV_API +int ConvertFromI420(const uint8* y, int y_stride, + const uint8* u, int u_stride, + const uint8* v, int v_stride, + uint8* dst_sample, int dst_sample_stride, + int width, int height, + uint32 fourcc) { + uint32 format = CanonicalFourCC(fourcc); + int r = 0; + if (!y || !u|| !v || !dst_sample || + width <= 0 || height == 0) { + return -1; + } + switch (format) { + // Single plane formats + case FOURCC_YUY2: + r = I420ToYUY2(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width * 2, + width, height); + break; + case FOURCC_UYVY: + r = I420ToUYVY(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width * 2, + width, height); + break; + case FOURCC_RGBP: + r = I420ToRGB565(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width * 2, + width, height); + break; + case FOURCC_RGBO: + r = I420ToARGB1555(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width * 2, + width, height); + break; + case FOURCC_R444: + r = I420ToARGB4444(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width * 2, + width, height); + break; + case FOURCC_24BG: + r = I420ToRGB24(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width * 3, + width, height); + break; + case FOURCC_RAW: + r = I420ToRAW(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width * 3, + width, height); + break; + case FOURCC_ARGB: + r = I420ToARGB(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width * 4, + width, height); + break; + case FOURCC_BGRA: + r = I420ToBGRA(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width * 4, + width, height); + break; + case FOURCC_ABGR: + r = I420ToABGR(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width * 4, + width, height); + break; + case FOURCC_RGBA: + r = I420ToRGBA(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width * 4, + width, height); + break; + case FOURCC_I400: + r = I400Copy(y, y_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width, + width, height); + break; + case FOURCC_NV12: { + uint8* dst_uv = dst_sample + width * height; + r = I420ToNV12(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width, + dst_uv, + dst_sample_stride ? dst_sample_stride : width, + width, height); + break; + } + case FOURCC_NV21: { + uint8* dst_vu = dst_sample + width * height; + r = I420ToNV21(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width, + dst_vu, + dst_sample_stride ? dst_sample_stride : width, + width, height); + break; + } + // TODO(fbarchard): Add M420. + // Triplanar formats + // TODO(fbarchard): halfstride instead of halfwidth + case FOURCC_I420: + case FOURCC_YV12: { + int halfwidth = (width + 1) / 2; + int halfheight = (height + 1) / 2; + uint8* dst_u; + uint8* dst_v; + if (format == FOURCC_YV12) { + dst_v = dst_sample + width * height; + dst_u = dst_v + halfwidth * halfheight; + } else { + dst_u = dst_sample + width * height; + dst_v = dst_u + halfwidth * halfheight; + } + r = I420Copy(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, width, + dst_u, halfwidth, + dst_v, halfwidth, + width, height); + break; + } + case FOURCC_I422: + case FOURCC_YV16: { + int halfwidth = (width + 1) / 2; + uint8* dst_u; + uint8* dst_v; + if (format == FOURCC_YV16) { + dst_v = dst_sample + width * height; + dst_u = dst_v + halfwidth * height; + } else { + dst_u = dst_sample + width * height; + dst_v = dst_u + halfwidth * height; + } + r = I420ToI422(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, width, + dst_u, halfwidth, + dst_v, halfwidth, + width, height); + break; + } + case FOURCC_I444: + case FOURCC_YV24: { + uint8* dst_u; + uint8* dst_v; + if (format == FOURCC_YV24) { + dst_v = dst_sample + width * height; + dst_u = dst_v + width * height; + } else { + dst_u = dst_sample + width * height; + dst_v = dst_u + width * height; + } + r = I420ToI444(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, width, + dst_u, width, + dst_v, width, + width, height); + break; + } + case FOURCC_I411: { + int quarterwidth = (width + 3) / 4; + uint8* dst_u = dst_sample + width * height; + uint8* dst_v = dst_u + quarterwidth * height; + r = I420ToI411(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, width, + dst_u, quarterwidth, + dst_v, quarterwidth, + width, height); + break; + } + + // Formats not supported - MJPG, biplanar, some rgb formats. + default: + return -1; // unknown fourcc - return failure code. + } + return r; +} + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif |