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Diffstat (limited to 'files/source/convert_from.cc')
| -rw-r--r-- | files/source/convert_from.cc | 1425 |
1 files changed, 1425 insertions, 0 deletions
diff --git a/files/source/convert_from.cc b/files/source/convert_from.cc new file mode 100644 index 00000000..4ea974ac --- /dev/null +++ b/files/source/convert_from.cc @@ -0,0 +1,1425 @@ +/* + * 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/format_conversion.h" +#include "libyuv/planar_functions.h" +#include "libyuv/rotate.h" +#include "libyuv/video_common.h" +#include "libyuv/row.h" + +#ifdef __cplusplus +namespace libyuv { +extern "C" { +#endif + +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) { + if (!src_y || !src_u || !src_v || + !dst_y || !dst_u || !dst_v || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_y = dst_y + (height - 1) * dst_stride_y; + dst_u = dst_u + (height - 1) * dst_stride_u; + dst_v = dst_v + (height - 1) * dst_stride_v; + dst_stride_y = -dst_stride_y; + dst_stride_u = -dst_stride_u; + dst_stride_v = -dst_stride_v; + } + int halfwidth = (width + 1) >> 1; + void (*CopyRow)(const uint8* src, uint8* dst, int width) = CopyRow_C; +#if defined(HAS_COPYROW_NEON) + if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(halfwidth, 64)) { + CopyRow = CopyRow_NEON; + } +#elif defined(HAS_COPYROW_X86) + if (IS_ALIGNED(halfwidth, 4)) { + CopyRow = CopyRow_X86; +#if defined(HAS_COPYROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(halfwidth, 32) && + IS_ALIGNED(src_u, 16) && IS_ALIGNED(src_stride_u, 16) && + IS_ALIGNED(src_v, 16) && IS_ALIGNED(src_stride_v, 16) && + IS_ALIGNED(dst_u, 16) && IS_ALIGNED(dst_stride_u, 16) && + IS_ALIGNED(dst_v, 16) && IS_ALIGNED(dst_stride_v, 16)) { + CopyRow = CopyRow_SSE2; + } +#endif + } +#endif + + // Copy Y plane + if (dst_y) { + CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); + } + + // UpSample U plane. + int y; + for (y = 0; y < height - 1; y += 2) { + CopyRow(src_u, dst_u, halfwidth); + CopyRow(src_u, dst_u + dst_stride_u, halfwidth); + src_u += src_stride_u; + dst_u += dst_stride_u * 2; + } + if (height & 1) { + CopyRow(src_u, dst_u, halfwidth); + } + + // UpSample V plane. + for (y = 0; y < height - 1; y += 2) { + CopyRow(src_v, dst_v, halfwidth); + CopyRow(src_v, dst_v + dst_stride_v, halfwidth); + src_v += src_stride_v; + dst_v += dst_stride_v * 2; + } + if (height & 1) { + CopyRow(src_v, dst_v, halfwidth); + } + return 0; +} + +// use Bilinear for upsampling chroma +void ScalePlaneBilinear(int src_width, int src_height, + int dst_width, int dst_height, + int src_stride, int dst_stride, + const uint8* src_ptr, uint8* dst_ptr); + +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) { + if (!src_y || !src_u|| !src_v || + !dst_y || !dst_u || !dst_v || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_y = dst_y + (height - 1) * dst_stride_y; + dst_u = dst_u + (height - 1) * dst_stride_u; + dst_v = dst_v + (height - 1) * dst_stride_v; + dst_stride_y = -dst_stride_y; + dst_stride_u = -dst_stride_u; + dst_stride_v = -dst_stride_v; + } + + // Copy Y plane + if (dst_y) { + CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); + } + + int halfwidth = (width + 1) >> 1; + int halfheight = (height + 1) >> 1; + + // Upsample U plane. + ScalePlaneBilinear(halfwidth, halfheight, + width, height, + src_stride_u, + dst_stride_u, + src_u, dst_u); + + // Upsample V plane. + ScalePlaneBilinear(halfwidth, halfheight, + width, height, + src_stride_v, + dst_stride_v, + src_v, dst_v); + return 0; +} + +// 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) { + if (!src_y || !src_u || !src_v || + !dst_y || !dst_u || !dst_v || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_y = dst_y + (height - 1) * dst_stride_y; + dst_u = dst_u + (height - 1) * dst_stride_u; + dst_v = dst_v + (height - 1) * dst_stride_v; + dst_stride_y = -dst_stride_y; + dst_stride_u = -dst_stride_u; + dst_stride_v = -dst_stride_v; + } + + // Copy Y plane + if (dst_y) { + CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); + } + + int halfwidth = (width + 1) >> 1; + int halfheight = (height + 1) >> 1; + int quarterwidth = (width + 3) >> 2; + + // Resample U plane. + ScalePlaneBilinear(halfwidth, halfheight, // from 1/2 width, 1/2 height + quarterwidth, height, // to 1/4 width, 1x height + src_stride_u, + dst_stride_u, + src_u, dst_u); + + // Resample V plane. + ScalePlaneBilinear(halfwidth, halfheight, // from 1/2 width, 1/2 height + quarterwidth, height, // to 1/4 width, 1x height + src_stride_v, + dst_stride_v, + src_v, dst_v); + return 0; +} + +// 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; +} + +// YUY2 - Macro-pixel = 2 image pixels +// Y0U0Y1V0....Y2U2Y3V2...Y4U4Y5V4.... + +// UYVY - Macro-pixel = 2 image pixels +// U0Y0V0Y1 + +#if !defined(YUV_DISABLE_ASM) && defined(_M_IX86) +#define HAS_I42XTOYUY2ROW_SSE2 +__declspec(naked) __declspec(align(16)) +static void I42xToYUY2Row_SSE2(const uint8* src_y, + const uint8* src_u, + const uint8* src_v, + uint8* dst_frame, int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_y + mov esi, [esp + 8 + 8] // src_u + mov edx, [esp + 8 + 12] // src_v + mov edi, [esp + 8 + 16] // dst_frame + mov ecx, [esp + 8 + 20] // width + sub edx, esi + + align 16 + convertloop: + movq xmm2, qword ptr [esi] // U + movq xmm3, qword ptr [esi + edx] // V + lea esi, [esi + 8] + punpcklbw xmm2, xmm3 // UV + movdqa xmm0, [eax] // Y + lea eax, [eax + 16] + movdqa xmm1, xmm0 + punpcklbw xmm0, xmm2 // YUYV + punpckhbw xmm1, xmm2 + movdqa [edi], xmm0 + movdqa [edi + 16], xmm1 + lea edi, [edi + 32] + sub ecx, 16 + jg convertloop + + pop edi + pop esi + ret + } +} + +#define HAS_I42XTOUYVYROW_SSE2 +__declspec(naked) __declspec(align(16)) +static void I42xToUYVYRow_SSE2(const uint8* src_y, + const uint8* src_u, + const uint8* src_v, + uint8* dst_frame, int width) { + __asm { + push esi + push edi + mov eax, [esp + 8 + 4] // src_y + mov esi, [esp + 8 + 8] // src_u + mov edx, [esp + 8 + 12] // src_v + mov edi, [esp + 8 + 16] // dst_frame + mov ecx, [esp + 8 + 20] // width + sub edx, esi + + align 16 + convertloop: + movq xmm2, qword ptr [esi] // U + movq xmm3, qword ptr [esi + edx] // V + lea esi, [esi + 8] + punpcklbw xmm2, xmm3 // UV + movdqa xmm0, [eax] // Y + movdqa xmm1, xmm2 + lea eax, [eax + 16] + punpcklbw xmm1, xmm0 // UYVY + punpckhbw xmm2, xmm0 + movdqa [edi], xmm1 + movdqa [edi + 16], xmm2 + lea edi, [edi + 32] + sub ecx, 16 + jg convertloop + + pop edi + pop esi + ret + } +} +#elif !defined(YUV_DISABLE_ASM) && (defined(__x86_64__) || defined(__i386__)) +#define HAS_I42XTOYUY2ROW_SSE2 +static void I42xToYUY2Row_SSE2(const uint8* src_y, + const uint8* src_u, + const uint8* src_v, + uint8* dst_frame, int width) { + asm volatile ( + "sub %1,%2 \n" + ".p2align 4 \n" + "1: \n" + "movq (%1),%%xmm2 \n" + "movq (%1,%2,1),%%xmm3 \n" + "lea 0x8(%1),%1 \n" + "punpcklbw %%xmm3,%%xmm2 \n" + "movdqa (%0),%%xmm0 \n" + "lea 0x10(%0),%0 \n" + "movdqa %%xmm0,%%xmm1 \n" + "punpcklbw %%xmm2,%%xmm0 \n" + "punpckhbw %%xmm2,%%xmm1 \n" + "movdqa %%xmm0,(%3) \n" + "movdqa %%xmm1,0x10(%3) \n" + "lea 0x20(%3),%3 \n" + "sub $0x10,%4 \n" + "jg 1b \n" + : "+r"(src_y), // %0 + "+r"(src_u), // %1 + "+r"(src_v), // %2 + "+r"(dst_frame), // %3 + "+rm"(width) // %4 + : + : "memory", "cc" +#if defined(__SSE2__) + , "xmm0", "xmm1", "xmm2", "xmm3" +#endif + ); +} + +#define HAS_I42XTOUYVYROW_SSE2 +static void I42xToUYVYRow_SSE2(const uint8* src_y, + const uint8* src_u, + const uint8* src_v, + uint8* dst_frame, int width) { + asm volatile ( + "sub %1,%2 \n" + ".p2align 4 \n" + "1: \n" + "movq (%1),%%xmm2 \n" + "movq (%1,%2,1),%%xmm3 \n" + "lea 0x8(%1),%1 \n" + "punpcklbw %%xmm3,%%xmm2 \n" + "movdqa (%0),%%xmm0 \n" + "movdqa %%xmm2,%%xmm1 \n" + "lea 0x10(%0),%0 \n" + "punpcklbw %%xmm0,%%xmm1 \n" + "punpckhbw %%xmm0,%%xmm2 \n" + "movdqa %%xmm1,(%3) \n" + "movdqa %%xmm2,0x10(%3) \n" + "lea 0x20(%3),%3 \n" + "sub $0x10,%4 \n" + "jg 1b \n" + : "+r"(src_y), // %0 + "+r"(src_u), // %1 + "+r"(src_v), // %2 + "+r"(dst_frame), // %3 + "+rm"(width) // %4 + : + : "memory", "cc" +#if defined(__SSE2__) + , "xmm0", "xmm1", "xmm2", "xmm3" +#endif + ); +} +#endif + +static void I42xToYUY2Row_C(const uint8* src_y, + const uint8* src_u, + const uint8* src_v, + uint8* dst_frame, int width) { + for (int x = 0; x < width - 1; x += 2) { + dst_frame[0] = src_y[0]; + dst_frame[1] = src_u[0]; + dst_frame[2] = src_y[1]; + dst_frame[3] = src_v[0]; + dst_frame += 4; + src_y += 2; + src_u += 1; + src_v += 1; + } + if (width & 1) { + dst_frame[0] = src_y[0]; + dst_frame[1] = src_u[0]; + dst_frame[2] = src_y[0]; // duplicate last y + dst_frame[3] = src_v[0]; + } +} + +static void I42xToUYVYRow_C(const uint8* src_y, + const uint8* src_u, + const uint8* src_v, + uint8* dst_frame, int width) { + for (int x = 0; x < width - 1; x += 2) { + dst_frame[0] = src_u[0]; + dst_frame[1] = src_y[0]; + dst_frame[2] = src_v[0]; + dst_frame[3] = src_y[1]; + dst_frame += 4; + src_y += 2; + src_u += 1; + src_v += 1; + } + if (width & 1) { + dst_frame[0] = src_u[0]; + dst_frame[1] = src_y[0]; + dst_frame[2] = src_v[0]; + dst_frame[3] = src_y[0]; // duplicate last y + } +} + +// Visual C x86 or GCC little endian. +#if defined(__x86_64__) || defined(_M_X64) || \ + defined(__i386__) || defined(_M_IX86) || \ + defined(__arm__) || defined(_M_ARM) || \ + (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) +#define LIBYUV_LITTLE_ENDIAN +#endif + +#ifdef LIBYUV_LITTLE_ENDIAN +#define WRITEWORD(p, v) *reinterpret_cast<uint32*>(p) = v +#else +static inline void WRITEWORD(uint8* p, uint32 v) { + p[0] = (uint8)(v & 255); + p[1] = (uint8)((v >> 8) & 255); + p[2] = (uint8)((v >> 16) & 255); + p[3] = (uint8)((v >> 24) & 255); +} +#endif + +#define EIGHTTOTEN(x) (x << 2 | x >> 6) +static void UYVYToV210Row_C(const uint8* src_uyvy, uint8* dst_v210, int width) { + for (int x = 0; x < width; x += 6) { + WRITEWORD(dst_v210 + 0, (EIGHTTOTEN(src_uyvy[0])) | + (EIGHTTOTEN(src_uyvy[1]) << 10) | + (EIGHTTOTEN(src_uyvy[2]) << 20)); + WRITEWORD(dst_v210 + 4, (EIGHTTOTEN(src_uyvy[3])) | + (EIGHTTOTEN(src_uyvy[4]) << 10) | + (EIGHTTOTEN(src_uyvy[5]) << 20)); + WRITEWORD(dst_v210 + 8, (EIGHTTOTEN(src_uyvy[6])) | + (EIGHTTOTEN(src_uyvy[7]) << 10) | + (EIGHTTOTEN(src_uyvy[8]) << 20)); + WRITEWORD(dst_v210 + 12, (EIGHTTOTEN(src_uyvy[9])) | + (EIGHTTOTEN(src_uyvy[10]) << 10) | + (EIGHTTOTEN(src_uyvy[11]) << 20)); + src_uyvy += 12; + dst_v210 += 16; + } +} + +// TODO(fbarchard): Deprecate, move or expand 422 support? +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_frame, int dst_stride_frame, + int width, int height) { + if (!src_y || !src_u || !src_v || !dst_frame || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_frame = dst_frame + (height - 1) * dst_stride_frame; + dst_stride_frame = -dst_stride_frame; + } + void (*I42xToYUY2Row)(const uint8* src_y, const uint8* src_u, + const uint8* src_v, uint8* dst_frame, int width) = + I42xToYUY2Row_C; +#if defined(HAS_I42XTOYUY2ROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2) && + IS_ALIGNED(width, 16) && + IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) && + IS_ALIGNED(dst_frame, 16) && IS_ALIGNED(dst_stride_frame, 16)) { + I42xToYUY2Row = I42xToYUY2Row_SSE2; + } +#endif + + for (int y = 0; y < height; ++y) { + I42xToYUY2Row(src_y, src_u, src_y, dst_frame, width); + src_y += src_stride_y; + src_u += src_stride_u; + src_v += src_stride_v; + dst_frame += dst_stride_frame; + } + 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_frame, int dst_stride_frame, + int width, int height) { + if (!src_y || !src_u || !src_v || !dst_frame || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_frame = dst_frame + (height - 1) * dst_stride_frame; + dst_stride_frame = -dst_stride_frame; + } + void (*I42xToYUY2Row)(const uint8* src_y, const uint8* src_u, + const uint8* src_v, uint8* dst_frame, int width) = + I42xToYUY2Row_C; +#if defined(HAS_I42XTOYUY2ROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2) && + IS_ALIGNED(width, 16) && + IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) && + IS_ALIGNED(dst_frame, 16) && IS_ALIGNED(dst_stride_frame, 16)) { + I42xToYUY2Row = I42xToYUY2Row_SSE2; + } +#endif + + for (int y = 0; y < height - 1; y += 2) { + I42xToYUY2Row(src_y, src_u, src_v, dst_frame, width); + I42xToYUY2Row(src_y + src_stride_y, src_u, src_v, + dst_frame + dst_stride_frame, width); + src_y += src_stride_y * 2; + src_u += src_stride_u; + src_v += src_stride_v; + dst_frame += dst_stride_frame * 2; + } + if (height & 1) { + I42xToYUY2Row(src_y, src_u, src_v, dst_frame, width); + } + return 0; +} + +// TODO(fbarchard): Deprecate, move or expand 422 support? +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_frame, int dst_stride_frame, + int width, int height) { + if (!src_y || !src_u || !src_v || !dst_frame || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_frame = dst_frame + (height - 1) * dst_stride_frame; + dst_stride_frame = -dst_stride_frame; + } + void (*I42xToUYVYRow)(const uint8* src_y, const uint8* src_u, + const uint8* src_v, uint8* dst_frame, int width) = + I42xToUYVYRow_C; +#if defined(HAS_I42XTOUYVYROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2) && + IS_ALIGNED(width, 16) && + IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) && + IS_ALIGNED(dst_frame, 16) && IS_ALIGNED(dst_stride_frame, 16)) { + I42xToUYVYRow = I42xToUYVYRow_SSE2; + } +#endif + + for (int y = 0; y < height; ++y) { + I42xToUYVYRow(src_y, src_u, src_y, dst_frame, width); + src_y += src_stride_y; + src_u += src_stride_u; + src_v += src_stride_v; + dst_frame += dst_stride_frame; + } + 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_frame, int dst_stride_frame, + int width, int height) { + if (!src_y || !src_u || !src_v || !dst_frame || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_frame = dst_frame + (height - 1) * dst_stride_frame; + dst_stride_frame = -dst_stride_frame; + } + void (*I42xToUYVYRow)(const uint8* src_y, const uint8* src_u, + const uint8* src_v, uint8* dst_frame, int width) = + I42xToUYVYRow_C; +#if defined(HAS_I42XTOUYVYROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2) && + IS_ALIGNED(width, 16) && + IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16) && + IS_ALIGNED(dst_frame, 16) && IS_ALIGNED(dst_stride_frame, 16)) { + I42xToUYVYRow = I42xToUYVYRow_SSE2; + } +#endif + + for (int y = 0; y < height - 1; y += 2) { + I42xToUYVYRow(src_y, src_u, src_v, dst_frame, width); + I42xToUYVYRow(src_y + src_stride_y, src_u, src_v, + dst_frame + dst_stride_frame, width); + src_y += src_stride_y * 2; + src_u += src_stride_u; + src_v += src_stride_v; + dst_frame += dst_stride_frame * 2; + } + if (height & 1) { + I42xToUYVYRow(src_y, src_u, src_v, dst_frame, width); + } + return 0; +} + +LIBYUV_API +int I420ToV210(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_frame, int dst_stride_frame, + int width, int height) { + if (width * 16 / 6 > kMaxStride) { // Row buffer of V210 is required. + return -1; + } else if (!src_y || !src_u || !src_v || !dst_frame || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_frame = dst_frame + (height - 1) * dst_stride_frame; + dst_stride_frame = -dst_stride_frame; + } + + SIMD_ALIGNED(uint8 row[kMaxStride]); + void (*UYVYToV210Row)(const uint8* src_uyvy, uint8* dst_v210, int pix); + UYVYToV210Row = UYVYToV210Row_C; + + void (*I42xToUYVYRow)(const uint8* src_y, const uint8* src_u, + const uint8* src_v, uint8* dst_frame, int width) = + I42xToUYVYRow_C; +#if defined(HAS_I42XTOUYVYROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2) && + IS_ALIGNED(width, 16) && + IS_ALIGNED(src_y, 16) && IS_ALIGNED(src_stride_y, 16)) { + I42xToUYVYRow = I42xToUYVYRow_SSE2; + } +#endif + + for (int y = 0; y < height - 1; y += 2) { + I42xToUYVYRow(src_y, src_u, src_v, row, width); + UYVYToV210Row(row, dst_frame, width); + I42xToUYVYRow(src_y + src_stride_y, src_u, src_v, row, width); + UYVYToV210Row(row, dst_frame + dst_stride_frame, width); + + src_y += src_stride_y * 2; + src_u += src_stride_u; + src_v += src_stride_v; + dst_frame += dst_stride_frame * 2; + } + if (height & 1) { + I42xToUYVYRow(src_y, src_u, src_v, row, width); + UYVYToV210Row(row, dst_frame, width); + } + return 0; +} + +// Convert I420 to ARGB. +LIBYUV_API +int I420ToARGB(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_argb, int dst_stride_argb, + int width, int height) { + 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; + } + void (*I422ToARGBRow)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + int width) = I422ToARGBRow_C; +#if defined(HAS_I422TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToARGBRow = I422ToARGBRow_Any_NEON; + if (IS_ALIGNED(width, 16)) { + I422ToARGBRow = I422ToARGBRow_NEON; + } + } +#elif defined(HAS_I422TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { + I422ToARGBRow = I422ToARGBRow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToARGBRow = I422ToARGBRow_Unaligned_SSSE3; + if (IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { + I422ToARGBRow = I422ToARGBRow_SSSE3; + } + } + } +#endif + + for (int y = 0; y < height; ++y) { + I422ToARGBRow(src_y, src_u, src_v, dst_argb, 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 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) { + if (!src_y || !src_u || !src_v || + !dst_bgra || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_bgra = dst_bgra + (height - 1) * dst_stride_bgra; + dst_stride_bgra = -dst_stride_bgra; + } + void (*I422ToBGRARow)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + int width) = I422ToBGRARow_C; +#if defined(HAS_I422TOBGRAROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToBGRARow = I422ToBGRARow_Any_NEON; + if (IS_ALIGNED(width, 16)) { + I422ToBGRARow = I422ToBGRARow_NEON; + } + } +#elif defined(HAS_I422TOBGRAROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { + I422ToBGRARow = I422ToBGRARow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToBGRARow = I422ToBGRARow_Unaligned_SSSE3; + if (IS_ALIGNED(dst_bgra, 16) && IS_ALIGNED(dst_stride_bgra, 16)) { + I422ToBGRARow = I422ToBGRARow_SSSE3; + } + } + } +#endif + + for (int y = 0; y < height; ++y) { + I422ToBGRARow(src_y, src_u, src_v, dst_bgra, width); + dst_bgra += dst_stride_bgra; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + return 0; +} + +// Convert I420 to ABGR. +LIBYUV_API +int I420ToABGR(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_abgr, int dst_stride_abgr, + int width, int height) { + if (!src_y || !src_u || !src_v || + !dst_abgr || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_abgr = dst_abgr + (height - 1) * dst_stride_abgr; + dst_stride_abgr = -dst_stride_abgr; + } + void (*I422ToABGRRow)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + int width) = I422ToABGRRow_C; +#if defined(HAS_I422TOABGRROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToABGRRow = I422ToABGRRow_Any_NEON; + if (IS_ALIGNED(width, 16)) { + I422ToABGRRow = I422ToABGRRow_NEON; + } + } +#elif defined(HAS_I422TOABGRROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { + I422ToABGRRow = I422ToABGRRow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToABGRRow = I422ToABGRRow_Unaligned_SSSE3; + if (IS_ALIGNED(dst_abgr, 16) && IS_ALIGNED(dst_stride_abgr, 16)) { + I422ToABGRRow = I422ToABGRRow_SSSE3; + } + } + } +#endif + + for (int y = 0; y < height; ++y) { + I422ToABGRRow(src_y, src_u, src_v, dst_abgr, width); + dst_abgr += dst_stride_abgr; + 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) { + 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; + } + void (*I422ToRGBARow)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + int width) = I422ToRGBARow_C; +#if defined(HAS_I422TORGBAROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToRGBARow = I422ToRGBARow_Any_NEON; + if (IS_ALIGNED(width, 16)) { + I422ToRGBARow = I422ToRGBARow_NEON; + } + } +#elif defined(HAS_I422TORGBAROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { + I422ToRGBARow = I422ToRGBARow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToRGBARow = I422ToRGBARow_Unaligned_SSSE3; + if (IS_ALIGNED(dst_rgba, 16) && IS_ALIGNED(dst_stride_rgba, 16)) { + I422ToRGBARow = I422ToRGBARow_SSSE3; + } + } + } +#endif + + for (int y = 0; y < height; ++y) { + I422ToRGBARow(src_y, src_u, src_v, dst_rgba, 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 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) { + 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; + } + void (*I422ToRGB24Row)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + int width) = I422ToRGB24Row_C; +#if defined(HAS_I422TORGB24ROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToRGB24Row = I422ToRGB24Row_Any_NEON; + if (IS_ALIGNED(width, 16)) { + I422ToRGB24Row = I422ToRGB24Row_NEON; + } + } +#elif defined(HAS_I422TORGB24ROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { + I422ToRGB24Row = I422ToRGB24Row_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToRGB24Row = I422ToRGB24Row_Unaligned_SSSE3; + if (IS_ALIGNED(dst_rgb24, 16) && IS_ALIGNED(dst_stride_rgb24, 16)) { + I422ToRGB24Row = I422ToRGB24Row_SSSE3; + } + } + } +#endif + + for (int y = 0; y < height; ++y) { + I422ToRGB24Row(src_y, src_u, src_v, dst_rgb24, 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 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) { + if (!src_y || !src_u || !src_v || + !dst_raw || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_raw = dst_raw + (height - 1) * dst_stride_raw; + dst_stride_raw = -dst_stride_raw; + } + void (*I422ToRAWRow)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + int width) = I422ToRAWRow_C; +#if defined(HAS_I422TORAWROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToRAWRow = I422ToRAWRow_Any_NEON; + if (IS_ALIGNED(width, 16)) { + I422ToRAWRow = I422ToRAWRow_NEON; + } + } +#elif defined(HAS_I422TORAWROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) { + I422ToRAWRow = I422ToRAWRow_Any_SSSE3; + if (IS_ALIGNED(width, 8)) { + I422ToRAWRow = I422ToRAWRow_Unaligned_SSSE3; + if (IS_ALIGNED(dst_raw, 16) && IS_ALIGNED(dst_stride_raw, 16)) { + I422ToRAWRow = I422ToRAWRow_SSSE3; + } + } + } +#endif + + for (int y = 0; y < height; ++y) { + I422ToRAWRow(src_y, src_u, src_v, dst_raw, width); + dst_raw += dst_stride_raw; + 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_rgb, int dst_stride_rgb, + int width, int height) { + if (!src_y || !src_u || !src_v || + !dst_rgb || + width <= 0 || height == 0) { + return -1; + } + // Negative height means invert the image. + if (height < 0) { + height = -height; + dst_rgb = dst_rgb + (height - 1) * dst_stride_rgb; + dst_stride_rgb = -dst_stride_rgb; + } + void (*I422ToARGBRow)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + int width) = I422ToARGBRow_C; +#if defined(HAS_I422TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToARGBRow = I422ToARGBRow_NEON; + } +#elif defined(HAS_I422TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I422ToARGBRow = I422ToARGBRow_SSSE3; + } +#endif + + SIMD_ALIGNED(uint8 row[kMaxStride]); + void (*ARGBToRGB565Row)(const uint8* src_rgb, uint8* dst_rgb, int pix) = + ARGBToRGB565Row_C; +#if defined(HAS_ARGBTORGB565ROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + if (width * 2 <= kMaxStride) { + ARGBToRGB565Row = ARGBToRGB565Row_Any_SSE2; + } + if (IS_ALIGNED(width, 4)) { + ARGBToRGB565Row = ARGBToRGB565Row_SSE2; + } + } +#endif + + for (int y = 0; y < height; ++y) { + I422ToARGBRow(src_y, src_u, src_v, row, width); + ARGBToRGB565Row(row, dst_rgb, width); + dst_rgb += dst_stride_rgb; + src_y += src_stride_y; + if (y & 1) { + src_u += src_stride_u; + src_v += src_stride_v; + } + } + return 0; +} + +// 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_argb, int dst_stride_argb, + int width, int height) { + 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; + } + void (*I422ToARGBRow)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + int width) = I422ToARGBRow_C; +#if defined(HAS_I422TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToARGBRow = I422ToARGBRow_NEON; + } +#elif defined(HAS_I422TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I422ToARGBRow = I422ToARGBRow_SSSE3; + } +#endif + + SIMD_ALIGNED(uint8 row[kMaxStride]); + void (*ARGBToARGB1555Row)(const uint8* src_argb, uint8* dst_rgb, int pix) = + ARGBToARGB1555Row_C; +#if defined(HAS_ARGBTOARGB1555ROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + if (width * 2 <= kMaxStride) { + ARGBToARGB1555Row = ARGBToARGB1555Row_Any_SSE2; + } + if (IS_ALIGNED(width, 4)) { + ARGBToARGB1555Row = ARGBToARGB1555Row_SSE2; + } + } +#endif + + for (int y = 0; y < height; ++y) { + I422ToARGBRow(src_y, src_u, src_v, row, width); + ARGBToARGB1555Row(row, dst_argb, 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 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_argb, int dst_stride_argb, + int width, int height) { + 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; + } + void (*I422ToARGBRow)(const uint8* y_buf, + const uint8* u_buf, + const uint8* v_buf, + uint8* rgb_buf, + int width) = I422ToARGBRow_C; +#if defined(HAS_I422TOARGBROW_NEON) + if (TestCpuFlag(kCpuHasNEON)) { + I422ToARGBRow = I422ToARGBRow_NEON; + } +#elif defined(HAS_I422TOARGBROW_SSSE3) + if (TestCpuFlag(kCpuHasSSSE3)) { + I422ToARGBRow = I422ToARGBRow_SSSE3; + } +#endif + + SIMD_ALIGNED(uint8 row[kMaxStride]); + void (*ARGBToARGB4444Row)(const uint8* src_argb, uint8* dst_rgb, int pix) = + ARGBToARGB4444Row_C; +#if defined(HAS_ARGBTOARGB4444ROW_SSE2) + if (TestCpuFlag(kCpuHasSSE2)) { + if (width * 2 <= kMaxStride) { + ARGBToARGB4444Row = ARGBToARGB4444Row_Any_SSE2; + } + if (IS_ALIGNED(width, 4)) { + ARGBToARGB4444Row = ARGBToARGB4444Row_SSE2; + } + } +#endif + + for (int y = 0; y < height; ++y) { + I422ToARGBRow(src_y, src_u, src_v, row, width); + ARGBToARGB4444Row(row, dst_argb, 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 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 format) { + if (!y || !u|| !v || !dst_sample || + width <= 0 || height == 0) { + return -1; + } + int r = 0; + 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_V210: + r = I420ToV210(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : + (width + 47) / 48 * 128, + 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_BGGR: + r = I420ToBayerBGGR(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width, + width, height); + break; + case FOURCC_GBRG: + r = I420ToBayerGBRG(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width, + width, height); + break; + case FOURCC_GRBG: + r = I420ToBayerGRBG(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width, + width, height); + break; + case FOURCC_RGGB: + r = I420ToBayerRGGB(y, y_stride, + u, u_stride, + v, v_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width, + width, height); + break; + case FOURCC_I400: + r = I400Copy(y, y_stride, + dst_sample, + dst_sample_stride ? dst_sample_stride : width, + width, height); + break; + // Triplanar formats + // TODO(fbarchard): halfstride instead of halfwidth + case FOURCC_I420: + case FOURCC_YU12: + 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 |