| /* |
| * Copyright 2012 The LibYuv Project Authors. All rights reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "libyuv/convert_from.h" |
| |
| #include "libyuv/basic_types.h" |
| #include "libyuv/convert.h" // For I420Copy |
| #include "libyuv/cpu_id.h" |
| #include "libyuv/planar_functions.h" |
| #include "libyuv/rotate.h" |
| #include "libyuv/scale.h" // For ScalePlane() |
| #include "libyuv/video_common.h" |
| #include "libyuv/row.h" |
| |
| #ifdef __cplusplus |
| namespace libyuv { |
| extern "C" { |
| #endif |
| |
| #define SUBSAMPLE(v, a, s) (v < 0) ? (-((-v + a) >> s)) : ((v + a) >> s) |
| static __inline int Abs(int v) { |
| return v >= 0 ? v : -v; |
| } |
| |
| // I420 To any I4xx YUV format with mirroring. |
| static int I420ToI4xx(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_y, int dst_stride_y, |
| uint8* dst_u, int dst_stride_u, |
| uint8* dst_v, int dst_stride_v, |
| int src_y_width, int src_y_height, |
| int dst_uv_width, int dst_uv_height) { |
| const int dst_y_width = Abs(src_y_width); |
| const int dst_y_height = Abs(src_y_height); |
| const int src_uv_width = SUBSAMPLE(src_y_width, 1, 1); |
| const int src_uv_height = SUBSAMPLE(src_y_height, 1, 1); |
| if (src_y_width == 0 || src_y_height == 0 || |
| dst_uv_width <= 0 || dst_uv_height <= 0) { |
| return -1; |
| } |
| ScalePlane(src_y, src_stride_y, src_y_width, src_y_height, |
| dst_y, dst_stride_y, dst_y_width, dst_y_height, |
| kFilterBilinear); |
| ScalePlane(src_u, src_stride_u, src_uv_width, src_uv_height, |
| dst_u, dst_stride_u, dst_uv_width, dst_uv_height, |
| kFilterBilinear); |
| ScalePlane(src_v, src_stride_v, src_uv_width, src_uv_height, |
| dst_v, dst_stride_v, dst_uv_width, dst_uv_height, |
| kFilterBilinear); |
| return 0; |
| } |
| |
| // 420 chroma is 1/2 width, 1/2 height |
| // 422 chroma is 1/2 width, 1x height |
| LIBYUV_API |
| int I420ToI422(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_y, int dst_stride_y, |
| uint8* dst_u, int dst_stride_u, |
| uint8* dst_v, int dst_stride_v, |
| int width, int height) { |
| const int dst_uv_width = (Abs(width) + 1) >> 1; |
| const int dst_uv_height = Abs(height); |
| return I420ToI4xx(src_y, src_stride_y, |
| src_u, src_stride_u, |
| src_v, src_stride_v, |
| dst_y, dst_stride_y, |
| dst_u, dst_stride_u, |
| dst_v, dst_stride_v, |
| width, height, |
| dst_uv_width, dst_uv_height); |
| } |
| |
| // 420 chroma is 1/2 width, 1/2 height |
| // 444 chroma is 1x width, 1x height |
| LIBYUV_API |
| int I420ToI444(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_y, int dst_stride_y, |
| uint8* dst_u, int dst_stride_u, |
| uint8* dst_v, int dst_stride_v, |
| int width, int height) { |
| const int dst_uv_width = Abs(width); |
| const int dst_uv_height = Abs(height); |
| return I420ToI4xx(src_y, src_stride_y, |
| src_u, src_stride_u, |
| src_v, src_stride_v, |
| dst_y, dst_stride_y, |
| dst_u, dst_stride_u, |
| dst_v, dst_stride_v, |
| width, height, |
| dst_uv_width, dst_uv_height); |
| } |
| |
| // 420 chroma is 1/2 width, 1/2 height |
| // 411 chroma is 1/4 width, 1x height |
| LIBYUV_API |
| int I420ToI411(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_y, int dst_stride_y, |
| uint8* dst_u, int dst_stride_u, |
| uint8* dst_v, int dst_stride_v, |
| int width, int height) { |
| const int dst_uv_width = (Abs(width) + 3) >> 2; |
| const int dst_uv_height = Abs(height); |
| return I420ToI4xx(src_y, src_stride_y, |
| src_u, src_stride_u, |
| src_v, src_stride_v, |
| dst_y, dst_stride_y, |
| dst_u, dst_stride_u, |
| dst_v, dst_stride_v, |
| width, height, |
| dst_uv_width, dst_uv_height); |
| } |
| |
| // Copy to I400. Source can be I420,422,444,400,NV12,NV21 |
| LIBYUV_API |
| int I400Copy(const uint8* src_y, int src_stride_y, |
| uint8* dst_y, int dst_stride_y, |
| int width, int height) { |
| if (!src_y || !dst_y || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| src_y = src_y + (height - 1) * src_stride_y; |
| src_stride_y = -src_stride_y; |
| } |
| CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); |
| return 0; |
| } |
| |
| LIBYUV_API |
| int I422ToYUY2(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_yuy2, int dst_stride_yuy2, |
| int width, int height) { |
| int y; |
| void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u, |
| const uint8* src_v, uint8* dst_yuy2, int width) = |
| I422ToYUY2Row_C; |
| if (!src_y || !src_u || !src_v || !dst_yuy2 || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2; |
| dst_stride_yuy2 = -dst_stride_yuy2; |
| } |
| // Coalesce rows. |
| if (src_stride_y == width && |
| src_stride_u * 2 == width && |
| src_stride_v * 2 == width && |
| dst_stride_yuy2 == width * 2) { |
| width *= height; |
| height = 1; |
| src_stride_y = src_stride_u = src_stride_v = dst_stride_yuy2 = 0; |
| } |
| #if defined(HAS_I422TOYUY2ROW_SSE2) |
| if (TestCpuFlag(kCpuHasSSE2)) { |
| I422ToYUY2Row = I422ToYUY2Row_Any_SSE2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToYUY2Row = I422ToYUY2Row_SSE2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOYUY2ROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToYUY2Row = I422ToYUY2Row_Any_NEON; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToYUY2Row = I422ToYUY2Row_NEON; |
| } |
| } |
| #endif |
| |
| for (y = 0; y < height; ++y) { |
| I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width); |
| src_y += src_stride_y; |
| src_u += src_stride_u; |
| src_v += src_stride_v; |
| dst_yuy2 += dst_stride_yuy2; |
| } |
| return 0; |
| } |
| |
| LIBYUV_API |
| int I420ToYUY2(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_yuy2, int dst_stride_yuy2, |
| int width, int height) { |
| int y; |
| void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u, |
| const uint8* src_v, uint8* dst_yuy2, int width) = |
| I422ToYUY2Row_C; |
| if (!src_y || !src_u || !src_v || !dst_yuy2 || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2; |
| dst_stride_yuy2 = -dst_stride_yuy2; |
| } |
| #if defined(HAS_I422TOYUY2ROW_SSE2) |
| if (TestCpuFlag(kCpuHasSSE2)) { |
| I422ToYUY2Row = I422ToYUY2Row_Any_SSE2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToYUY2Row = I422ToYUY2Row_SSE2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOYUY2ROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToYUY2Row = I422ToYUY2Row_Any_NEON; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToYUY2Row = I422ToYUY2Row_NEON; |
| } |
| } |
| #endif |
| |
| for (y = 0; y < height - 1; y += 2) { |
| I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width); |
| I422ToYUY2Row(src_y + src_stride_y, src_u, src_v, |
| dst_yuy2 + dst_stride_yuy2, width); |
| src_y += src_stride_y * 2; |
| src_u += src_stride_u; |
| src_v += src_stride_v; |
| dst_yuy2 += dst_stride_yuy2 * 2; |
| } |
| if (height & 1) { |
| I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width); |
| } |
| return 0; |
| } |
| |
| LIBYUV_API |
| int I422ToUYVY(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_uyvy, int dst_stride_uyvy, |
| int width, int height) { |
| int y; |
| void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u, |
| const uint8* src_v, uint8* dst_uyvy, int width) = |
| I422ToUYVYRow_C; |
| if (!src_y || !src_u || !src_v || !dst_uyvy || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy; |
| dst_stride_uyvy = -dst_stride_uyvy; |
| } |
| // Coalesce rows. |
| if (src_stride_y == width && |
| src_stride_u * 2 == width && |
| src_stride_v * 2 == width && |
| dst_stride_uyvy == width * 2) { |
| width *= height; |
| height = 1; |
| src_stride_y = src_stride_u = src_stride_v = dst_stride_uyvy = 0; |
| } |
| #if defined(HAS_I422TOUYVYROW_SSE2) |
| if (TestCpuFlag(kCpuHasSSE2)) { |
| I422ToUYVYRow = I422ToUYVYRow_Any_SSE2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToUYVYRow = I422ToUYVYRow_SSE2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOUYVYROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToUYVYRow = I422ToUYVYRow_Any_NEON; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToUYVYRow = I422ToUYVYRow_NEON; |
| } |
| } |
| #endif |
| |
| for (y = 0; y < height; ++y) { |
| I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width); |
| src_y += src_stride_y; |
| src_u += src_stride_u; |
| src_v += src_stride_v; |
| dst_uyvy += dst_stride_uyvy; |
| } |
| return 0; |
| } |
| |
| LIBYUV_API |
| int I420ToUYVY(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_uyvy, int dst_stride_uyvy, |
| int width, int height) { |
| int y; |
| void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u, |
| const uint8* src_v, uint8* dst_uyvy, int width) = |
| I422ToUYVYRow_C; |
| if (!src_y || !src_u || !src_v || !dst_uyvy || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy; |
| dst_stride_uyvy = -dst_stride_uyvy; |
| } |
| #if defined(HAS_I422TOUYVYROW_SSE2) |
| if (TestCpuFlag(kCpuHasSSE2)) { |
| I422ToUYVYRow = I422ToUYVYRow_Any_SSE2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToUYVYRow = I422ToUYVYRow_SSE2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOUYVYROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToUYVYRow = I422ToUYVYRow_Any_NEON; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToUYVYRow = I422ToUYVYRow_NEON; |
| } |
| } |
| #endif |
| |
| for (y = 0; y < height - 1; y += 2) { |
| I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width); |
| I422ToUYVYRow(src_y + src_stride_y, src_u, src_v, |
| dst_uyvy + dst_stride_uyvy, width); |
| src_y += src_stride_y * 2; |
| src_u += src_stride_u; |
| src_v += src_stride_v; |
| dst_uyvy += dst_stride_uyvy * 2; |
| } |
| if (height & 1) { |
| I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width); |
| } |
| return 0; |
| } |
| |
| LIBYUV_API |
| int I420ToNV12(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_y, int dst_stride_y, |
| uint8* dst_uv, int dst_stride_uv, |
| int width, int height) { |
| int y; |
| void (*MergeUVRow_)(const uint8* src_u, const uint8* src_v, uint8* dst_uv, |
| int width) = MergeUVRow_C; |
| // Coalesce rows. |
| int halfwidth = (width + 1) >> 1; |
| int halfheight = (height + 1) >> 1; |
| if (!src_y || !src_u || !src_v || !dst_y || !dst_uv || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| halfheight = (height + 1) >> 1; |
| dst_y = dst_y + (height - 1) * dst_stride_y; |
| dst_uv = dst_uv + (halfheight - 1) * dst_stride_uv; |
| dst_stride_y = -dst_stride_y; |
| dst_stride_uv = -dst_stride_uv; |
| } |
| if (src_stride_y == width && |
| dst_stride_y == width) { |
| width *= height; |
| height = 1; |
| src_stride_y = dst_stride_y = 0; |
| } |
| // Coalesce rows. |
| if (src_stride_u == halfwidth && |
| src_stride_v == halfwidth && |
| dst_stride_uv == halfwidth * 2) { |
| halfwidth *= halfheight; |
| halfheight = 1; |
| src_stride_u = src_stride_v = dst_stride_uv = 0; |
| } |
| #if defined(HAS_MERGEUVROW_SSE2) |
| if (TestCpuFlag(kCpuHasSSE2)) { |
| MergeUVRow_ = MergeUVRow_Any_SSE2; |
| if (IS_ALIGNED(halfwidth, 16)) { |
| MergeUVRow_ = MergeUVRow_SSE2; |
| } |
| } |
| #endif |
| #if defined(HAS_MERGEUVROW_AVX2) |
| if (TestCpuFlag(kCpuHasAVX2)) { |
| MergeUVRow_ = MergeUVRow_Any_AVX2; |
| if (IS_ALIGNED(halfwidth, 32)) { |
| MergeUVRow_ = MergeUVRow_AVX2; |
| } |
| } |
| #endif |
| #if defined(HAS_MERGEUVROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| MergeUVRow_ = MergeUVRow_Any_NEON; |
| if (IS_ALIGNED(halfwidth, 16)) { |
| MergeUVRow_ = MergeUVRow_NEON; |
| } |
| } |
| #endif |
| |
| CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height); |
| for (y = 0; y < halfheight; ++y) { |
| // Merge a row of U and V into a row of UV. |
| MergeUVRow_(src_u, src_v, dst_uv, halfwidth); |
| src_u += src_stride_u; |
| src_v += src_stride_v; |
| dst_uv += dst_stride_uv; |
| } |
| return 0; |
| } |
| |
| LIBYUV_API |
| int I420ToNV21(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_y, int dst_stride_y, |
| uint8* dst_vu, int dst_stride_vu, |
| int width, int height) { |
| return I420ToNV12(src_y, src_stride_y, |
| src_v, src_stride_v, |
| src_u, src_stride_u, |
| dst_y, src_stride_y, |
| dst_vu, dst_stride_vu, |
| width, height); |
| } |
| |
| // 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) { |
| int y; |
| void (*I422ToARGBRow)(const uint8* y_buf, |
| const uint8* u_buf, |
| const uint8* v_buf, |
| uint8* rgb_buf, |
| int width) = I422ToARGBRow_C; |
| if (!src_y || !src_u || !src_v || !dst_argb || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| dst_argb = dst_argb + (height - 1) * dst_stride_argb; |
| dst_stride_argb = -dst_stride_argb; |
| } |
| #if defined(HAS_I422TOARGBROW_SSSE3) |
| if (TestCpuFlag(kCpuHasSSSE3)) { |
| I422ToARGBRow = I422ToARGBRow_Any_SSSE3; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToARGBRow = I422ToARGBRow_SSSE3; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOARGBROW_AVX2) |
| if (TestCpuFlag(kCpuHasAVX2)) { |
| I422ToARGBRow = I422ToARGBRow_Any_AVX2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToARGBRow = I422ToARGBRow_AVX2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOARGBROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToARGBRow = I422ToARGBRow_Any_NEON; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToARGBRow = I422ToARGBRow_NEON; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOARGBROW_MIPS_DSPR2) |
| if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) && |
| IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) && |
| IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) && |
| IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2) && |
| IS_ALIGNED(dst_argb, 4) && IS_ALIGNED(dst_stride_argb, 4)) { |
| I422ToARGBRow = I422ToARGBRow_MIPS_DSPR2; |
| } |
| #endif |
| |
| for (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) { |
| int y; |
| void (*I422ToBGRARow)(const uint8* y_buf, |
| const uint8* u_buf, |
| const uint8* v_buf, |
| uint8* rgb_buf, |
| int width) = I422ToBGRARow_C; |
| 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; |
| } |
| #if defined(HAS_I422TOBGRAROW_SSSE3) |
| if (TestCpuFlag(kCpuHasSSSE3)) { |
| I422ToBGRARow = I422ToBGRARow_Any_SSSE3; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToBGRARow = I422ToBGRARow_SSSE3; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOBGRAROW_AVX2) |
| if (TestCpuFlag(kCpuHasAVX2)) { |
| I422ToBGRARow = I422ToBGRARow_Any_AVX2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToBGRARow = I422ToBGRARow_AVX2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOBGRAROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToBGRARow = I422ToBGRARow_Any_NEON; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToBGRARow = I422ToBGRARow_NEON; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOBGRAROW_MIPS_DSPR2) |
| if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) && |
| IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) && |
| IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) && |
| IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2) && |
| IS_ALIGNED(dst_bgra, 4) && IS_ALIGNED(dst_stride_bgra, 4)) { |
| I422ToBGRARow = I422ToBGRARow_MIPS_DSPR2; |
| } |
| #endif |
| |
| for (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) { |
| int y; |
| void (*I422ToABGRRow)(const uint8* y_buf, |
| const uint8* u_buf, |
| const uint8* v_buf, |
| uint8* rgb_buf, |
| int width) = I422ToABGRRow_C; |
| 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; |
| } |
| #if defined(HAS_I422TOABGRROW_SSSE3) |
| if (TestCpuFlag(kCpuHasSSSE3)) { |
| I422ToABGRRow = I422ToABGRRow_Any_SSSE3; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToABGRRow = I422ToABGRRow_SSSE3; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOABGRROW_AVX2) |
| if (TestCpuFlag(kCpuHasAVX2)) { |
| I422ToABGRRow = I422ToABGRRow_Any_AVX2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToABGRRow = I422ToABGRRow_AVX2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOABGRROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToABGRRow = I422ToABGRRow_Any_NEON; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToABGRRow = I422ToABGRRow_NEON; |
| } |
| } |
| #endif |
| |
| for (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) { |
| int y; |
| void (*I422ToRGBARow)(const uint8* y_buf, |
| const uint8* u_buf, |
| const uint8* v_buf, |
| uint8* rgb_buf, |
| 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 |
| |
| for (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) { |
| int y; |
| void (*I422ToRGB24Row)(const uint8* y_buf, |
| const uint8* u_buf, |
| const uint8* v_buf, |
| uint8* rgb_buf, |
| int width) = I422ToRGB24Row_C; |
| if (!src_y || !src_u || !src_v || !dst_rgb24 || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| dst_rgb24 = dst_rgb24 + (height - 1) * dst_stride_rgb24; |
| dst_stride_rgb24 = -dst_stride_rgb24; |
| } |
| #if defined(HAS_I422TORGB24ROW_SSSE3) |
| if (TestCpuFlag(kCpuHasSSSE3)) { |
| I422ToRGB24Row = I422ToRGB24Row_Any_SSSE3; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToRGB24Row = I422ToRGB24Row_SSSE3; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TORGB24ROW_AVX2) |
| if (TestCpuFlag(kCpuHasAVX2)) { |
| I422ToRGB24Row = I422ToRGB24Row_Any_AVX2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToRGB24Row = I422ToRGB24Row_AVX2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TORGB24ROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToRGB24Row = I422ToRGB24Row_Any_NEON; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToRGB24Row = I422ToRGB24Row_NEON; |
| } |
| } |
| #endif |
| |
| for (y = 0; y < height; ++y) { |
| I422ToRGB24Row(src_y, src_u, src_v, dst_rgb24, 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) { |
| int y; |
| void (*I422ToRAWRow)(const uint8* y_buf, |
| const uint8* u_buf, |
| const uint8* v_buf, |
| uint8* rgb_buf, |
| int width) = I422ToRAWRow_C; |
| 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; |
| } |
| #if defined(HAS_I422TORAWROW_SSSE3) |
| if (TestCpuFlag(kCpuHasSSSE3)) { |
| I422ToRAWRow = I422ToRAWRow_Any_SSSE3; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToRAWRow = I422ToRAWRow_SSSE3; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TORAWROW_AVX2) |
| if (TestCpuFlag(kCpuHasAVX2)) { |
| I422ToRAWRow = I422ToRAWRow_Any_AVX2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToRAWRow = I422ToRAWRow_AVX2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TORAWROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToRAWRow = I422ToRAWRow_Any_NEON; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToRAWRow = I422ToRAWRow_NEON; |
| } |
| } |
| #endif |
| |
| for (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 ARGB1555. |
| LIBYUV_API |
| int I420ToARGB1555(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_argb1555, int dst_stride_argb1555, |
| int width, int height) { |
| int y; |
| void (*I422ToARGB1555Row)(const uint8* y_buf, |
| const uint8* u_buf, |
| const uint8* v_buf, |
| uint8* rgb_buf, |
| int width) = I422ToARGB1555Row_C; |
| if (!src_y || !src_u || !src_v || !dst_argb1555 || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| dst_argb1555 = dst_argb1555 + (height - 1) * dst_stride_argb1555; |
| dst_stride_argb1555 = -dst_stride_argb1555; |
| } |
| #if defined(HAS_I422TOARGB1555ROW_SSSE3) |
| if (TestCpuFlag(kCpuHasSSSE3)) { |
| I422ToARGB1555Row = I422ToARGB1555Row_Any_SSSE3; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToARGB1555Row = I422ToARGB1555Row_SSSE3; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOARGB1555ROW_AVX2) |
| if (TestCpuFlag(kCpuHasAVX2)) { |
| I422ToARGB1555Row = I422ToARGB1555Row_Any_AVX2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToARGB1555Row = I422ToARGB1555Row_AVX2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOARGB1555ROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToARGB1555Row = I422ToARGB1555Row_Any_NEON; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToARGB1555Row = I422ToARGB1555Row_NEON; |
| } |
| } |
| #endif |
| |
| for (y = 0; y < height; ++y) { |
| I422ToARGB1555Row(src_y, src_u, src_v, dst_argb1555, width); |
| dst_argb1555 += dst_stride_argb1555; |
| src_y += src_stride_y; |
| if (y & 1) { |
| src_u += src_stride_u; |
| src_v += src_stride_v; |
| } |
| } |
| return 0; |
| } |
| |
| |
| // Convert I420 to ARGB4444. |
| LIBYUV_API |
| int I420ToARGB4444(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_argb4444, int dst_stride_argb4444, |
| int width, int height) { |
| int y; |
| void (*I422ToARGB4444Row)(const uint8* y_buf, |
| const uint8* u_buf, |
| const uint8* v_buf, |
| uint8* rgb_buf, |
| int width) = I422ToARGB4444Row_C; |
| if (!src_y || !src_u || !src_v || !dst_argb4444 || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| dst_argb4444 = dst_argb4444 + (height - 1) * dst_stride_argb4444; |
| dst_stride_argb4444 = -dst_stride_argb4444; |
| } |
| #if defined(HAS_I422TOARGB4444ROW_SSSE3) |
| if (TestCpuFlag(kCpuHasSSSE3)) { |
| I422ToARGB4444Row = I422ToARGB4444Row_Any_SSSE3; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToARGB4444Row = I422ToARGB4444Row_SSSE3; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOARGB4444ROW_AVX2) |
| if (TestCpuFlag(kCpuHasAVX2)) { |
| I422ToARGB4444Row = I422ToARGB4444Row_Any_AVX2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToARGB4444Row = I422ToARGB4444Row_AVX2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TOARGB4444ROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToARGB4444Row = I422ToARGB4444Row_Any_NEON; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToARGB4444Row = I422ToARGB4444Row_NEON; |
| } |
| } |
| #endif |
| |
| for (y = 0; y < height; ++y) { |
| I422ToARGB4444Row(src_y, src_u, src_v, dst_argb4444, width); |
| dst_argb4444 += dst_stride_argb4444; |
| src_y += src_stride_y; |
| if (y & 1) { |
| src_u += src_stride_u; |
| src_v += src_stride_v; |
| } |
| } |
| return 0; |
| } |
| |
| // Convert I420 to RGB565. |
| LIBYUV_API |
| int I420ToRGB565(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_rgb565, int dst_stride_rgb565, |
| int width, int height) { |
| int y; |
| void (*I422ToRGB565Row)(const uint8* y_buf, |
| const uint8* u_buf, |
| const uint8* v_buf, |
| uint8* rgb_buf, |
| int width) = I422ToRGB565Row_C; |
| if (!src_y || !src_u || !src_v || !dst_rgb565 || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| dst_rgb565 = dst_rgb565 + (height - 1) * dst_stride_rgb565; |
| dst_stride_rgb565 = -dst_stride_rgb565; |
| } |
| #if defined(HAS_I422TORGB565ROW_SSSE3) |
| if (TestCpuFlag(kCpuHasSSSE3)) { |
| I422ToRGB565Row = I422ToRGB565Row_Any_SSSE3; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToRGB565Row = I422ToRGB565Row_SSSE3; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TORGB565ROW_AVX2) |
| if (TestCpuFlag(kCpuHasAVX2)) { |
| I422ToRGB565Row = I422ToRGB565Row_Any_AVX2; |
| if (IS_ALIGNED(width, 16)) { |
| I422ToRGB565Row = I422ToRGB565Row_AVX2; |
| } |
| } |
| #endif |
| #if defined(HAS_I422TORGB565ROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| I422ToRGB565Row = I422ToRGB565Row_Any_NEON; |
| if (IS_ALIGNED(width, 8)) { |
| I422ToRGB565Row = I422ToRGB565Row_NEON; |
| } |
| } |
| #endif |
| |
| for (y = 0; y < height; ++y) { |
| I422ToRGB565Row(src_y, src_u, src_v, dst_rgb565, width); |
| dst_rgb565 += dst_stride_rgb565; |
| src_y += src_stride_y; |
| if (y & 1) { |
| src_u += src_stride_u; |
| src_v += src_stride_v; |
| } |
| } |
| return 0; |
| } |
| |
| // Ordered 8x8 dither for 888 to 565. Values from 0 to 7. |
| static const uint8 kDither565_4x4[16] = { |
| 0, 4, 1, 5, |
| 6, 2, 7, 3, |
| 1, 5, 0, 4, |
| 7, 3, 6, 2, |
| }; |
| |
| // Convert I420 to RGB565 with dithering. |
| LIBYUV_API |
| int I420ToRGB565Dither(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_rgb565, int dst_stride_rgb565, |
| const uint8* dither4x4, int width, int height) { |
| int y; |
| void (*I422ToARGBRow)(const uint8* y_buf, |
| const uint8* u_buf, |
| const uint8* v_buf, |
| uint8* rgb_buf, |
| int width) = I422ToARGBRow_C; |
| void (*ARGBToRGB565DitherRow)(const uint8* src_argb, uint8* dst_rgb, |
| const uint32 dither4, int pix) = 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_MIPS_DSPR2) |
| if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) && |
| IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) && |
| IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) && |
| IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2)) { |
| I422ToARGBRow = I422ToARGBRow_MIPS_DSPR2; |
| } |
| #endif |
| #if defined(HAS_ARGBTORGB565DITHERROW_SSE2) |
| if (TestCpuFlag(kCpuHasSSE2)) { |
| ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_SSE2; |
| if (IS_ALIGNED(width, 4)) { |
| ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_SSE2; |
| } |
| } |
| #endif |
| #if defined(HAS_ARGBTORGB565DITHERROW_AVX2) |
| if (TestCpuFlag(kCpuHasAVX2)) { |
| ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_AVX2; |
| if (IS_ALIGNED(width, 8)) { |
| ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_AVX2; |
| } |
| } |
| #endif |
| #if defined(HAS_ARGBTORGB565DITHERROW_NEON) |
| if (TestCpuFlag(kCpuHasNEON)) { |
| ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_NEON; |
| if (IS_ALIGNED(width, 8)) { |
| ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_NEON; |
| } |
| } |
| #endif |
| { |
| // Allocate a row of argb. |
| align_buffer_64(row_argb, width * 4); |
| for (y = 0; y < height; ++y) { |
| I422ToARGBRow(src_y, src_u, src_v, row_argb, width); |
| ARGBToRGB565DitherRow(row_argb, dst_rgb565, |
| *(uint32*)(dither4x4 + ((y & 3) << 2)), width); |
| dst_rgb565 += dst_stride_rgb565; |
| src_y += src_stride_y; |
| if (y & 1) { |
| src_u += src_stride_u; |
| src_v += src_stride_v; |
| } |
| } |
| free_aligned_buffer_64(row_argb); |
| } |
| return 0; |
| } |
| |
| // Convert I420 to specified format |
| LIBYUV_API |
| int ConvertFromI420(const uint8* y, int y_stride, |
| const uint8* u, int u_stride, |
| const uint8* v, int v_stride, |
| uint8* dst_sample, int dst_sample_stride, |
| int width, int height, |
| uint32 fourcc) { |
| uint32 format = CanonicalFourCC(fourcc); |
| int r = 0; |
| if (!y || !u|| !v || !dst_sample || |
| width <= 0 || height == 0) { |
| return -1; |
| } |
| switch (format) { |
| // Single plane formats |
| case FOURCC_YUY2: |
| r = I420ToYUY2(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width * 2, |
| width, height); |
| break; |
| case FOURCC_UYVY: |
| r = I420ToUYVY(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width * 2, |
| width, height); |
| break; |
| case FOURCC_RGBP: |
| r = I420ToRGB565(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width * 2, |
| width, height); |
| break; |
| case FOURCC_RGBO: |
| r = I420ToARGB1555(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width * 2, |
| width, height); |
| break; |
| case FOURCC_R444: |
| r = I420ToARGB4444(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width * 2, |
| width, height); |
| break; |
| case FOURCC_24BG: |
| r = I420ToRGB24(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width * 3, |
| width, height); |
| break; |
| case FOURCC_RAW: |
| r = I420ToRAW(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width * 3, |
| width, height); |
| break; |
| case FOURCC_ARGB: |
| r = I420ToARGB(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width * 4, |
| width, height); |
| break; |
| case FOURCC_BGRA: |
| r = I420ToBGRA(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width * 4, |
| width, height); |
| break; |
| case FOURCC_ABGR: |
| r = I420ToABGR(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width * 4, |
| width, height); |
| break; |
| case FOURCC_RGBA: |
| r = I420ToRGBA(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width * 4, |
| width, height); |
| break; |
| case FOURCC_I400: |
| r = I400Copy(y, y_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width, |
| width, height); |
| break; |
| case FOURCC_NV12: { |
| uint8* dst_uv = dst_sample + width * height; |
| r = I420ToNV12(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width, |
| dst_uv, |
| dst_sample_stride ? dst_sample_stride : width, |
| width, height); |
| break; |
| } |
| case FOURCC_NV21: { |
| uint8* dst_vu = dst_sample + width * height; |
| r = I420ToNV21(y, y_stride, |
| u, u_stride, |
| v, v_stride, |
| dst_sample, |
| dst_sample_stride ? dst_sample_stride : width, |
| dst_vu, |
| dst_sample_stride ? dst_sample_stride : width, |
| width, height); |
| break; |
| } |
| // TODO(fbarchard): Add M420. |
| // Triplanar formats |
| // TODO(fbarchard): halfstride instead of halfwidth |
| case FOURCC_I420: |
| case FOURCC_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 |
