ref: 2eba086685d3ccd8959d22b0959c698774769513
dir: /third_party/libyuv/source/convert_from.cc/
/* * 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/row.h" #include "libyuv/scale.h" // For ScalePlane() #include "libyuv/video_common.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_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_y, int dst_stride_y, uint8_t* dst_u, int dst_stride_u, uint8_t* 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; } if (dst_y) { 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; } // Convert 8 bit YUV to 10 bit. LIBYUV_API int I420ToI010(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, uint16_t* dst_y, int dst_stride_y, uint16_t* dst_u, int dst_stride_u, uint16_t* dst_v, int dst_stride_v, int width, int height) { int halfwidth = (width + 1) >> 1; int halfheight = (height + 1) >> 1; if (!src_u || !src_v || !dst_u || !dst_v || width <= 0 || height == 0) { return -1; } // Negative height means invert the image. if (height < 0) { 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; } // Convert Y plane. Convert8To16Plane(src_y, src_stride_y, dst_y, dst_stride_y, 1024, width, height); // Convert UV planes. Convert8To16Plane(src_u, src_stride_u, dst_u, dst_stride_u, 1024, halfwidth, halfheight); Convert8To16Plane(src_v, src_stride_v, dst_v, dst_stride_v, 1024, halfwidth, halfheight); 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_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_y, int dst_stride_y, uint8_t* dst_u, int dst_stride_u, uint8_t* 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_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_y, int dst_stride_y, uint8_t* dst_u, int dst_stride_u, uint8_t* 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); } // Copy to I400. Source can be I420,422,444,400,NV12,NV21 LIBYUV_API int I400Copy(const uint8_t* src_y, int src_stride_y, uint8_t* 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_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_yuy2, int dst_stride_yuy2, int width, int height) { int y; void (*I422ToYUY2Row)(const uint8_t* src_y, const uint8_t* src_u, const uint8_t* src_v, uint8_t* 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_AVX2) if (TestCpuFlag(kCpuHasAVX2)) { I422ToYUY2Row = I422ToYUY2Row_Any_AVX2; if (IS_ALIGNED(width, 32)) { I422ToYUY2Row = I422ToYUY2Row_AVX2; } } #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_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_yuy2, int dst_stride_yuy2, int width, int height) { int y; void (*I422ToYUY2Row)(const uint8_t* src_y, const uint8_t* src_u, const uint8_t* src_v, uint8_t* 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_AVX2) if (TestCpuFlag(kCpuHasAVX2)) { I422ToYUY2Row = I422ToYUY2Row_Any_AVX2; if (IS_ALIGNED(width, 32)) { I422ToYUY2Row = I422ToYUY2Row_AVX2; } } #endif #if defined(HAS_I422TOYUY2ROW_NEON) if (TestCpuFlag(kCpuHasNEON)) { I422ToYUY2Row = I422ToYUY2Row_Any_NEON; if (IS_ALIGNED(width, 16)) { I422ToYUY2Row = I422ToYUY2Row_NEON; } } #endif #if defined(HAS_I422TOYUY2ROW_MSA) if (TestCpuFlag(kCpuHasMSA)) { I422ToYUY2Row = I422ToYUY2Row_Any_MSA; if (IS_ALIGNED(width, 32)) { I422ToYUY2Row = I422ToYUY2Row_MSA; } } #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_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_uyvy, int dst_stride_uyvy, int width, int height) { int y; void (*I422ToUYVYRow)(const uint8_t* src_y, const uint8_t* src_u, const uint8_t* src_v, uint8_t* 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_AVX2) if (TestCpuFlag(kCpuHasAVX2)) { I422ToUYVYRow = I422ToUYVYRow_Any_AVX2; if (IS_ALIGNED(width, 32)) { I422ToUYVYRow = I422ToUYVYRow_AVX2; } } #endif #if defined(HAS_I422TOUYVYROW_NEON) if (TestCpuFlag(kCpuHasNEON)) { I422ToUYVYRow = I422ToUYVYRow_Any_NEON; if (IS_ALIGNED(width, 16)) { I422ToUYVYRow = I422ToUYVYRow_NEON; } } #endif #if defined(HAS_I422TOUYVYROW_MSA) if (TestCpuFlag(kCpuHasMSA)) { I422ToUYVYRow = I422ToUYVYRow_Any_MSA; if (IS_ALIGNED(width, 32)) { I422ToUYVYRow = I422ToUYVYRow_MSA; } } #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_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_uyvy, int dst_stride_uyvy, int width, int height) { int y; void (*I422ToUYVYRow)(const uint8_t* src_y, const uint8_t* src_u, const uint8_t* src_v, uint8_t* 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_AVX2) if (TestCpuFlag(kCpuHasAVX2)) { I422ToUYVYRow = I422ToUYVYRow_Any_AVX2; if (IS_ALIGNED(width, 32)) { I422ToUYVYRow = I422ToUYVYRow_AVX2; } } #endif #if defined(HAS_I422TOUYVYROW_NEON) if (TestCpuFlag(kCpuHasNEON)) { I422ToUYVYRow = I422ToUYVYRow_Any_NEON; if (IS_ALIGNED(width, 16)) { I422ToUYVYRow = I422ToUYVYRow_NEON; } } #endif #if defined(HAS_I422TOUYVYROW_MSA) if (TestCpuFlag(kCpuHasMSA)) { I422ToUYVYRow = I422ToUYVYRow_Any_MSA; if (IS_ALIGNED(width, 32)) { I422ToUYVYRow = I422ToUYVYRow_MSA; } } #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; } // TODO(fbarchard): test negative height for invert. LIBYUV_API int I420ToNV12(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_y, int dst_stride_y, uint8_t* dst_uv, int dst_stride_uv, int width, int height) { if (!src_y || !src_u || !src_v || !dst_y || !dst_uv || width <= 0 || height == 0) { return -1; } int halfwidth = (width + 1) / 2; int halfheight = height > 0 ? (height + 1) / 2 : (height - 1) / 2; if (dst_y) { CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); } MergeUVPlane(src_u, src_stride_u, src_v, src_stride_v, dst_uv, dst_stride_uv, halfwidth, halfheight); return 0; } LIBYUV_API int I420ToNV21(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_y, int dst_stride_y, uint8_t* 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_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_rgba, int dst_stride_rgba, const struct YuvConstants* yuvconstants, int width, int height) { int y; void (*I422ToRGBARow)(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) = 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_MSA) if (TestCpuFlag(kCpuHasMSA)) { I422ToRGBARow = I422ToRGBARow_Any_MSA; if (IS_ALIGNED(width, 8)) { I422ToRGBARow = I422ToRGBARow_MSA; } } #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_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_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_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_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_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_rgb24, int dst_stride_rgb24, const struct YuvConstants* yuvconstants, int width, int height) { int y; void (*I422ToRGB24Row)(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) = 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 #if defined(HAS_I422TORGB24ROW_MSA) if (TestCpuFlag(kCpuHasMSA)) { I422ToRGB24Row = I422ToRGB24Row_Any_MSA; if (IS_ALIGNED(width, 16)) { I422ToRGB24Row = I422ToRGB24Row_MSA; } } #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_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_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_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_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 H420 to RGB24. LIBYUV_API int H420ToRGB24(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_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, &kYuvH709Constants, width, height); } // Convert H420 to RAW. LIBYUV_API int H420ToRAW(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_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, &kYvuH709Constants, // Use Yvu matrix width, height); } // Convert I420 to ARGB1555. LIBYUV_API int I420ToARGB1555(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_argb1555, int dst_stride_argb1555, int width, int height) { int y; void (*I422ToARGB1555Row)(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) = 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 #if defined(HAS_I422TOARGB1555ROW_MSA) if (TestCpuFlag(kCpuHasMSA)) { I422ToARGB1555Row = I422ToARGB1555Row_Any_MSA; if (IS_ALIGNED(width, 8)) { I422ToARGB1555Row = I422ToARGB1555Row_MSA; } } #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_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_argb4444, int dst_stride_argb4444, int width, int height) { int y; void (*I422ToARGB4444Row)(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) = 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 #if defined(HAS_I422TOARGB4444ROW_MSA) if (TestCpuFlag(kCpuHasMSA)) { I422ToARGB4444Row = I422ToARGB4444Row_Any_MSA; if (IS_ALIGNED(width, 8)) { I422ToARGB4444Row = I422ToARGB4444Row_MSA; } } #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_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_rgb565, int dst_stride_rgb565, int width, int height) { int y; void (*I422ToRGB565Row)(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) = 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 #if defined(HAS_I422TORGB565ROW_MSA) if (TestCpuFlag(kCpuHasMSA)) { I422ToRGB565Row = I422ToRGB565Row_Any_MSA; if (IS_ALIGNED(width, 8)) { I422ToRGB565Row = I422ToRGB565Row_MSA; } } #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; } // Convert I422 to RGB565. LIBYUV_API int I422ToRGB565(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_rgb565, int dst_stride_rgb565, int width, int height) { int y; void (*I422ToRGB565Row)(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) = 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 #if defined(HAS_I422TORGB565ROW_MSA) if (TestCpuFlag(kCpuHasMSA)) { I422ToRGB565Row = I422ToRGB565Row_Any_MSA; if (IS_ALIGNED(width, 8)) { I422ToRGB565Row = I422ToRGB565Row_MSA; } } #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; 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_t 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_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_rgb565, int dst_stride_rgb565, const uint8_t* dither4x4, 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; void (*ARGBToRGB565DitherRow)(const uint8_t* src_argb, uint8_t* dst_rgb, const uint32_t 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_MSA) if (TestCpuFlag(kCpuHasMSA)) { I422ToARGBRow = I422ToARGBRow_Any_MSA; if (IS_ALIGNED(width, 8)) { I422ToARGBRow = I422ToARGBRow_MSA; } } #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 #if defined(HAS_ARGBTORGB565DITHERROW_MSA) if (TestCpuFlag(kCpuHasMSA)) { ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_MSA; if (IS_ALIGNED(width, 8)) { ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_MSA; } } #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, *(const uint32_t*)(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 AR30 with matrix static int I420ToAR30Matrix(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_ar30, int dst_stride_ar30, const struct YuvConstants* yuvconstants, int width, int height) { int y; void (*I422ToAR30Row)(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) = I422ToAR30Row_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_I422TOAR30ROW_SSSE3) if (TestCpuFlag(kCpuHasSSSE3)) { I422ToAR30Row = I422ToAR30Row_Any_SSSE3; if (IS_ALIGNED(width, 8)) { I422ToAR30Row = I422ToAR30Row_SSSE3; } } #endif #if defined(HAS_I422TOAR30ROW_AVX2) if (TestCpuFlag(kCpuHasAVX2)) { I422ToAR30Row = I422ToAR30Row_Any_AVX2; if (IS_ALIGNED(width, 16)) { I422ToAR30Row = I422ToAR30Row_AVX2; } } #endif for (y = 0; y < height; ++y) { I422ToAR30Row(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 I420 to AR30. LIBYUV_API int I420ToAR30(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_ar30, int dst_stride_ar30, int width, int height) { return I420ToAR30Matrix(src_y, src_stride_y, src_u, src_stride_u, src_v, src_stride_v, dst_ar30, dst_stride_ar30, &kYuvI601Constants, width, height); } // Convert H420 to AR30. LIBYUV_API int H420ToAR30(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_ar30, int dst_stride_ar30, int width, int height) { return I420ToAR30Matrix(src_y, src_stride_y, src_u, src_stride_u, src_v, src_stride_v, dst_ar30, dst_stride_ar30, &kYvuH709Constants, width, height); } // Convert I420 to specified format LIBYUV_API int ConvertFromI420(const uint8_t* y, int y_stride, const uint8_t* u, int u_stride, const uint8_t* v, int v_stride, uint8_t* dst_sample, int dst_sample_stride, int width, int height, uint32_t fourcc) { uint32_t 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_AR30: r = I420ToAR30(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_t* 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_t* 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 case FOURCC_I420: case FOURCC_YV12: { dst_sample_stride = dst_sample_stride ? dst_sample_stride : width; int halfstride = (dst_sample_stride + 1) / 2; int halfheight = (height + 1) / 2; uint8_t* dst_u; uint8_t* dst_v; if (format == FOURCC_YV12) { dst_v = dst_sample + dst_sample_stride * height; dst_u = dst_v + halfstride * halfheight; } else { dst_u = dst_sample + dst_sample_stride * height; dst_v = dst_u + halfstride * halfheight; } r = I420Copy(y, y_stride, u, u_stride, v, v_stride, dst_sample, dst_sample_stride, dst_u, halfstride, dst_v, halfstride, width, height); break; } case FOURCC_I422: case FOURCC_YV16: { dst_sample_stride = dst_sample_stride ? dst_sample_stride : width; int halfstride = (dst_sample_stride + 1) / 2; uint8_t* dst_u; uint8_t* dst_v; if (format == FOURCC_YV16) { dst_v = dst_sample + dst_sample_stride * height; dst_u = dst_v + halfstride * height; } else { dst_u = dst_sample + dst_sample_stride * height; dst_v = dst_u + halfstride * height; } r = I420ToI422(y, y_stride, u, u_stride, v, v_stride, dst_sample, dst_sample_stride, dst_u, halfstride, dst_v, halfstride, width, height); break; } case FOURCC_I444: case FOURCC_YV24: { dst_sample_stride = dst_sample_stride ? dst_sample_stride : width; uint8_t* dst_u; uint8_t* dst_v; if (format == FOURCC_YV24) { dst_v = dst_sample + dst_sample_stride * height; dst_u = dst_v + dst_sample_stride * height; } else { dst_u = dst_sample + dst_sample_stride * height; dst_v = dst_u + dst_sample_stride * height; } r = I420ToI444(y, y_stride, u, u_stride, v, v_stride, dst_sample, dst_sample_stride, dst_u, dst_sample_stride, dst_v, dst_sample_stride, 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