| /* |
| * 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 "source/row.h" |
| |
| #ifdef __cplusplus |
| namespace libyuv { |
| extern "C" { |
| #endif |
| |
| 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); |
| |
| 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 |
| 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 |
| 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? |
| 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; |
| } |
| |
| 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? |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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. |
| 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. |
| 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. |
| 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 RGB24. |
| 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_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 (*ARGBToRGB24Row)(const uint8* src_argb, uint8* dst_rgb, int pix) = |
| ARGBToRGB24Row_C; |
| #if defined(HAS_ARGBTORGB24ROW_SSSE3) |
| if (TestCpuFlag(kCpuHasSSSE3)) { |
| if (width * 3 <= kMaxStride) { |
| ARGBToRGB24Row = ARGBToRGB24Row_Any_SSSE3; |
| } |
| if (IS_ALIGNED(width, 16) && |
| IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
| ARGBToRGB24Row = ARGBToRGB24Row_SSSE3; |
| } |
| } |
| #endif |
| |
| for (int y = 0; y < height; ++y) { |
| I422ToARGBRow(src_y, src_u, src_v, row, width); |
| ARGBToRGB24Row(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 RAW. |
| 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_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 (*ARGBToRAWRow)(const uint8* src_argb, uint8* dst_rgb, int pix) = |
| ARGBToRAWRow_C; |
| #if defined(HAS_ARGBTORAWROW_SSSE3) |
| if (TestCpuFlag(kCpuHasSSSE3)) { |
| if (width * 3 <= kMaxStride) { |
| ARGBToRAWRow = ARGBToRAWRow_Any_SSSE3; |
| } |
| if (IS_ALIGNED(width, 16) && |
| IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) { |
| ARGBToRAWRow = ARGBToRAWRow_SSSE3; |
| } |
| } |
| #endif |
| |
| for (int y = 0; y < height; ++y) { |
| I422ToARGBRow(src_y, src_u, src_v, row, width); |
| ARGBToRAWRow(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 RGB565. |
| 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. |
| 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. |
| 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 |
| 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_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_YV12: { |
| int halfwidth = (width + 1) / 2; |
| int halfheight = (height + 1) / 2; |
| uint8* dst_u; |
| uint8* dst_v; |
| if (format == FOURCC_I420) { |
| dst_u = dst_sample + width * height; |
| dst_v = dst_u + halfwidth * halfheight; |
| } else { |
| dst_v = dst_sample + width * height; |
| dst_u = dst_v + 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_I422) { |
| dst_u = dst_sample + width * height; |
| dst_v = dst_u + halfwidth * height; |
| } else { |
| dst_v = dst_sample + width * height; |
| dst_u = dst_v + 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_I444) { |
| dst_u = dst_sample + width * height; |
| dst_v = dst_u + width * height; |
| } else { |
| dst_v = dst_sample + width * height; |
| dst_u = dst_v + 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 |
