blob: 19649cf68fa04d4da17fe4c3fd86c6e1ffc662d9 [file] [log] [blame]
/*
* Copyright (c) 2015 The WebRTC 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 "common_video/include/video_frame_buffer.h"
#include <string.h>
#include <algorithm>
#include "libyuv/convert.h"
#include "libyuv/planar_functions.h"
#include "libyuv/scale.h"
#include "rtc_base/checks.h"
#include "rtc_base/keep_ref_until_done.h"
namespace webrtc {
WrappedI420Buffer::WrappedI420Buffer(int width,
int height,
const uint8_t* y_plane,
int y_stride,
const uint8_t* u_plane,
int u_stride,
const uint8_t* v_plane,
int v_stride,
const rtc::Callback0<void>& no_longer_used)
: width_(width),
height_(height),
y_plane_(y_plane),
u_plane_(u_plane),
v_plane_(v_plane),
y_stride_(y_stride),
u_stride_(u_stride),
v_stride_(v_stride),
no_longer_used_cb_(no_longer_used) {
}
WrappedI420Buffer::~WrappedI420Buffer() {
no_longer_used_cb_();
}
int WrappedI420Buffer::width() const {
return width_;
}
int WrappedI420Buffer::height() const {
return height_;
}
const uint8_t* WrappedI420Buffer::DataY() const {
return y_plane_;
}
const uint8_t* WrappedI420Buffer::DataU() const {
return u_plane_;
}
const uint8_t* WrappedI420Buffer::DataV() const {
return v_plane_;
}
int WrappedI420Buffer::StrideY() const {
return y_stride_;
}
int WrappedI420Buffer::StrideU() const {
return u_stride_;
}
int WrappedI420Buffer::StrideV() const {
return v_stride_;
}
// Template to implement a wrapped buffer for a I4??BufferInterface.
template <typename Base>
class WrappedYuvBuffer : public Base {
public:
WrappedYuvBuffer(int width,
int height,
const uint8_t* y_plane,
int y_stride,
const uint8_t* u_plane,
int u_stride,
const uint8_t* v_plane,
int v_stride,
const rtc::Callback0<void>& no_longer_used)
: width_(width),
height_(height),
y_plane_(y_plane),
u_plane_(u_plane),
v_plane_(v_plane),
y_stride_(y_stride),
u_stride_(u_stride),
v_stride_(v_stride),
no_longer_used_cb_(no_longer_used) {}
int width() const override { return width_; }
int height() const override { return height_; }
const uint8_t* DataY() const override { return y_plane_; }
const uint8_t* DataU() const override { return u_plane_; }
const uint8_t* DataV() const override { return v_plane_; }
int StrideY() const override { return y_stride_; }
int StrideU() const override { return u_stride_; }
int StrideV() const override { return v_stride_; }
private:
friend class rtc::RefCountedObject<WrappedYuvBuffer>;
~WrappedYuvBuffer() override { no_longer_used_cb_(); }
const int width_;
const int height_;
const uint8_t* const y_plane_;
const uint8_t* const u_plane_;
const uint8_t* const v_plane_;
const int y_stride_;
const int u_stride_;
const int v_stride_;
rtc::Callback0<void> no_longer_used_cb_;
};
rtc::scoped_refptr<I420BufferInterface> WrapI420Buffer(
int width,
int height,
const uint8_t* y_plane,
int y_stride,
const uint8_t* u_plane,
int u_stride,
const uint8_t* v_plane,
int v_stride,
const rtc::Callback0<void>& no_longer_used) {
return rtc::scoped_refptr<I420BufferInterface>(
new rtc::RefCountedObject<WrappedYuvBuffer<I420BufferInterface>>(
width, height, y_plane, y_stride, u_plane, u_stride, v_plane,
v_stride, no_longer_used));
}
rtc::scoped_refptr<I444BufferInterface> WrapI444Buffer(
int width,
int height,
const uint8_t* y_plane,
int y_stride,
const uint8_t* u_plane,
int u_stride,
const uint8_t* v_plane,
int v_stride,
const rtc::Callback0<void>& no_longer_used) {
return rtc::scoped_refptr<I444BufferInterface>(
new rtc::RefCountedObject<WrappedYuvBuffer<I444BufferInterface>>(
width, height, y_plane, y_stride, u_plane, u_stride, v_plane,
v_stride, no_longer_used));
}
rtc::scoped_refptr<PlanarYuvBuffer> WrapYuvBuffer(
VideoFrameBuffer::Type type,
int width,
int height,
const uint8_t* y_plane,
int y_stride,
const uint8_t* u_plane,
int u_stride,
const uint8_t* v_plane,
int v_stride,
const rtc::Callback0<void>& no_longer_used) {
switch (type) {
case VideoFrameBuffer::Type::kI420:
return WrapI420Buffer(width, height, y_plane, y_stride, u_plane, u_stride,
v_plane, v_stride, no_longer_used);
case VideoFrameBuffer::Type::kI444:
return WrapI444Buffer(width, height, y_plane, y_stride, u_plane, u_stride,
v_plane, v_stride, no_longer_used);
default:
FATAL() << "Unexpected frame buffer type.";
return nullptr;
}
}
} // namespace webrtc