chromium/third_party/libyuv/source/convert_to_i420.cc

/*
 *  Copyright 2011 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 <stdlib.h>

#include "libyuv/convert.h"

#include "libyuv/video_common.h"

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

// Convert camera sample to I420 with cropping, rotation and vertical flip.
// src_width is used for source stride computation
// src_height is used to compute location of planes, and indicate inversion
// sample_size is measured in bytes and is the size of the frame.
//   With MJPEG it is the compressed size of the frame.
LIBYUV_API
int ConvertToI420(const uint8_t* sample,
                  size_t sample_size,
                  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 crop_x,
                  int crop_y,
                  int src_width,
                  int src_height,
                  int crop_width,
                  int crop_height,
                  enum RotationMode rotation,
                  uint32_t fourcc) { … }

#ifdef __cplusplus
}  // extern "C"
}  // namespace libyuv
#endif