convert_from.cc | Explore in Territory

/*
 *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS. All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include "libyuv/convert_from.h"

#include "libyuv/basic_types.h"
#include "libyuv/convert.h"  // For I420Copy
#include "libyuv/cpu_id.h"
#include "libyuv/planar_functions.h"
#include "libyuv/rotate.h"
#include "libyuv/row.h"
#include "libyuv/scale.h"  // For ScalePlane()
#include "libyuv/video_common.h"

#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif

#define SUBSAMPLE(v, a, s) …
static __inline int Abs(int v) { … }

// I420 To any I4xx YUV format with mirroring.
// TODO(fbarchard): Consider kFilterNone for Y, or CopyPlane

static int I420ToI4xx(const uint8_t* src_y,
                      int src_stride_y,
                      const uint8_t* src_u,
                      int src_stride_u,
                      const uint8_t* src_v,
                      int src_stride_v,
                      uint8_t* dst_y,
                      int dst_stride_y,
                      uint8_t* dst_u,
                      int dst_stride_u,
                      uint8_t* dst_v,
                      int dst_stride_v,
                      int src_y_width,
                      int src_y_height,
                      int dst_uv_width,
                      int dst_uv_height) { … }

// Convert 8 bit YUV to 10 bit.
LIBYUV_API
int I420ToI010(const uint8_t* src_y,
               int src_stride_y,
               const uint8_t* src_u,
               int src_stride_u,
               const uint8_t* src_v,
               int src_stride_v,
               uint16_t* dst_y,
               int dst_stride_y,
               uint16_t* dst_u,
               int dst_stride_u,
               uint16_t* dst_v,
               int dst_stride_v,
               int width,
               int height) { … }

// Convert 8 bit YUV to 12 bit.
LIBYUV_API
int I420ToI012(const uint8_t* src_y,
               int src_stride_y,
               const uint8_t* src_u,
               int src_stride_u,
               const uint8_t* src_v,
               int src_stride_v,
               uint16_t* dst_y,
               int dst_stride_y,
               uint16_t* dst_u,
               int dst_stride_u,
               uint16_t* dst_v,
               int dst_stride_v,
               int width,
               int height) { … }

// 420 chroma is 1/2 width, 1/2 height
// 422 chroma is 1/2 width, 1x height
LIBYUV_API
int I420ToI422(const uint8_t* src_y,
               int src_stride_y,
               const uint8_t* src_u,
               int src_stride_u,
               const uint8_t* src_v,
               int src_stride_v,
               uint8_t* dst_y,
               int dst_stride_y,
               uint8_t* dst_u,
               int dst_stride_u,
               uint8_t* dst_v,
               int dst_stride_v,
               int width,
               int height) { … }

// 420 chroma is 1/2 width, 1/2 height
// 444 chroma is 1x width, 1x height
LIBYUV_API
int I420ToI444(const uint8_t* src_y,
               int src_stride_y,
               const uint8_t* src_u,
               int src_stride_u,
               const uint8_t* src_v,
               int src_stride_v,
               uint8_t* dst_y,
               int dst_stride_y,
               uint8_t* dst_u,
               int dst_stride_u,
               uint8_t* dst_v,
               int dst_stride_v,
               int width,
               int height) { … }

// 420 chroma to 444 chroma, 10/12 bit version
LIBYUV_API
int I010ToI410(const uint16_t* src_y,
               int src_stride_y,
               const uint16_t* src_u,
               int src_stride_u,
               const uint16_t* src_v,
               int src_stride_v,
               uint16_t* dst_y,
               int dst_stride_y,
               uint16_t* dst_u,
               int dst_stride_u,
               uint16_t* dst_v,
               int dst_stride_v,
               int width,
               int height) { … }

// 422 chroma to 444 chroma, 10/12 bit version
LIBYUV_API
int I210ToI410(const uint16_t* src_y,
               int src_stride_y,
               const uint16_t* src_u,
               int src_stride_u,
               const uint16_t* src_v,
               int src_stride_v,
               uint16_t* dst_y,
               int dst_stride_y,
               uint16_t* dst_u,
               int dst_stride_u,
               uint16_t* dst_v,
               int dst_stride_v,
               int width,
               int height) { … }

// 422 chroma is 1/2 width, 1x height
// 444 chroma is 1x width, 1x height
LIBYUV_API
int I422ToI444(const uint8_t* src_y,
               int src_stride_y,
               const uint8_t* src_u,
               int src_stride_u,
               const uint8_t* src_v,
               int src_stride_v,
               uint8_t* dst_y,
               int dst_stride_y,
               uint8_t* dst_u,
               int dst_stride_u,
               uint8_t* dst_v,
               int dst_stride_v,
               int width,
               int height) { … }

// Copy to I400. Source can be I420,422,444,400,NV12,NV21
LIBYUV_API
int I400Copy(const uint8_t* src_y,
             int src_stride_y,
             uint8_t* dst_y,
             int dst_stride_y,
             int width,
             int height) { … }

LIBYUV_API
int I422ToYUY2(const uint8_t* src_y,
               int src_stride_y,
               const uint8_t* src_u,
               int src_stride_u,
               const uint8_t* src_v,
               int src_stride_v,
               uint8_t* dst_yuy2,
               int dst_stride_yuy2,
               int width,
               int height) { … }

LIBYUV_API
int I420ToYUY2(const uint8_t* src_y,
               int src_stride_y,
               const uint8_t* src_u,
               int src_stride_u,
               const uint8_t* src_v,
               int src_stride_v,
               uint8_t* dst_yuy2,
               int dst_stride_yuy2,
               int width,
               int height) { … }

LIBYUV_API
int I422ToUYVY(const uint8_t* src_y,
               int src_stride_y,
               const uint8_t* src_u,
               int src_stride_u,
               const uint8_t* src_v,
               int src_stride_v,
               uint8_t* dst_uyvy,
               int dst_stride_uyvy,
               int width,
               int height) { … }

LIBYUV_API
int I420ToUYVY(const uint8_t* src_y,
               int src_stride_y,
               const uint8_t* src_u,
               int src_stride_u,
               const uint8_t* src_v,
               int src_stride_v,
               uint8_t* dst_uyvy,
               int dst_stride_uyvy,
               int width,
               int height) { … }

LIBYUV_API
int I420ToNV12(const uint8_t* src_y,
               int src_stride_y,
               const uint8_t* src_u,
               int src_stride_u,
               const uint8_t* src_v,
               int src_stride_v,
               uint8_t* dst_y,
               int dst_stride_y,
               uint8_t* dst_uv,
               int dst_stride_uv,
               int width,
               int height) { … }

LIBYUV_API
int I420ToNV21(const uint8_t* src_y,
               int src_stride_y,
               const uint8_t* src_u,
               int src_stride_u,
               const uint8_t* src_v,
               int src_stride_v,
               uint8_t* dst_y,
               int dst_stride_y,
               uint8_t* dst_vu,
               int dst_stride_vu,
               int width,
               int height) { … }

// Convert I420 to specified format
LIBYUV_API
int ConvertFromI420(const uint8_t* y,
                    int y_stride,
                    const uint8_t* u,
                    int u_stride,
                    const uint8_t* v,
                    int v_stride,
                    uint8_t* dst_sample,
                    int dst_sample_stride,
                    int width,
                    int height,
                    uint32_t fourcc) { … }

#ifdef __cplusplus
}  // extern "C"
}  // namespace libyuv
#endif
chromium/third_party/libyuv/source/convert_from.cc
