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/*
* 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 "api/video/i420_buffer.h"
#include "rtc_base/checks.h"
#include "rtc_base/ref_counted_object.h"
#include "third_party/libyuv/include/libyuv/convert.h"
namespace webrtc {
namespace {
// 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,
std::function<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) {}
~WrappedYuvBuffer() override { no_longer_used_cb_(); }
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>;
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_;
std::function<void()> no_longer_used_cb_;
};
// Template to implement a wrapped buffer for a I4??BufferInterface.
template <typename BaseWithA>
class WrappedYuvaBuffer : public WrappedYuvBuffer<BaseWithA> {
public:
WrappedYuvaBuffer(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 uint8_t* a_plane,
int a_stride,
std::function<void()> no_longer_used)
: WrappedYuvBuffer<BaseWithA>(width,
height,
y_plane,
y_stride,
u_plane,
u_stride,
v_plane,
v_stride,
no_longer_used),
a_plane_(a_plane),
a_stride_(a_stride) {}
const uint8_t* DataA() const override { return a_plane_; }
int StrideA() const override { return a_stride_; }
private:
const uint8_t* const a_plane_;
const int a_stride_;
};
class I444BufferBase : public I444BufferInterface {
public:
rtc::scoped_refptr<I420BufferInterface> ToI420() final;
};
rtc::scoped_refptr<I420BufferInterface> I444BufferBase::ToI420() {
rtc::scoped_refptr<I420Buffer> i420_buffer =
I420Buffer::Create(width(), height());
libyuv::I444ToI420(DataY(), StrideY(), DataU(), StrideU(), DataV(), StrideV(),
i420_buffer->MutableDataY(), i420_buffer->StrideY(),
i420_buffer->MutableDataU(), i420_buffer->StrideU(),
i420_buffer->MutableDataV(), i420_buffer->StrideV(),
width(), height());
return i420_buffer;
}
// Template to implement a wrapped buffer for a PlanarYuv16BBuffer.
template <typename Base>
class WrappedYuv16BBuffer : public Base {
public:
WrappedYuv16BBuffer(int width,
int height,
const uint16_t* y_plane,
int y_stride,
const uint16_t* u_plane,
int u_stride,
const uint16_t* v_plane,
int v_stride,
std::function<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) {}
~WrappedYuv16BBuffer() override { no_longer_used_cb_(); }
int width() const override { return width_; }
int height() const override { return height_; }
const uint16_t* DataY() const override { return y_plane_; }
const uint16_t* DataU() const override { return u_plane_; }
const uint16_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<WrappedYuv16BBuffer>;
const int width_;
const int height_;
const uint16_t* const y_plane_;
const uint16_t* const u_plane_;
const uint16_t* const v_plane_;
const int y_stride_;
const int u_stride_;
const int v_stride_;
std::function<void()> no_longer_used_cb_;
};
class I010BufferBase : public I010BufferInterface {
public:
rtc::scoped_refptr<I420BufferInterface> ToI420() final;
};
rtc::scoped_refptr<I420BufferInterface> I010BufferBase::ToI420() {
rtc::scoped_refptr<I420Buffer> i420_buffer =
I420Buffer::Create(width(), height());
#if 0
libyuv::I010ToI420(DataY(), StrideY(), DataU(), StrideU(), DataV(), StrideV(),
i420_buffer->MutableDataY(), i420_buffer->StrideY(),
i420_buffer->MutableDataU(), i420_buffer->StrideU(),
i420_buffer->MutableDataV(), i420_buffer->StrideV(),
width(), height());
#else
abort();
#endif
return i420_buffer;
}
} // namespace
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,
std::function<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<I420ABufferInterface> WrapI420ABuffer(
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 uint8_t* a_plane,
int a_stride,
std::function<void()> no_longer_used) {
return rtc::scoped_refptr<I420ABufferInterface>(
new rtc::RefCountedObject<WrappedYuvaBuffer<I420ABufferInterface>>(
width, height, y_plane, y_stride, u_plane, u_stride, v_plane,
v_stride, a_plane, a_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,
std::function<void()> no_longer_used) {
return rtc::scoped_refptr<I444BufferInterface>(
new rtc::RefCountedObject<WrappedYuvBuffer<I444BufferBase>>(
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,
std::function<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:
RTC_CHECK_NOTREACHED();
}
}
rtc::scoped_refptr<I010BufferInterface> WrapI010Buffer(
int width,
int height,
const uint16_t* y_plane,
int y_stride,
const uint16_t* u_plane,
int u_stride,
const uint16_t* v_plane,
int v_stride,
std::function<void()> no_longer_used) {
return rtc::scoped_refptr<I010BufferInterface>(
new rtc::RefCountedObject<WrappedYuv16BBuffer<I010BufferBase>>(
width, height, y_plane, y_stride, u_plane, u_stride, v_plane,
v_stride, no_longer_used));
}
} // namespace webrtc
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