291 lines
9.2 KiB
C++
291 lines
9.2 KiB
C++
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/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "common_video/include/video_frame_buffer.h"
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#include "api/video/i420_buffer.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/ref_counted_object.h"
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#include "third_party/libyuv/include/libyuv/convert.h"
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namespace webrtc {
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namespace {
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// Template to implement a wrapped buffer for a I4??BufferInterface.
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template <typename Base>
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class WrappedYuvBuffer : public Base {
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public:
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WrappedYuvBuffer(int width,
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int height,
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const uint8_t* y_plane,
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int y_stride,
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const uint8_t* u_plane,
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int u_stride,
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const uint8_t* v_plane,
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int v_stride,
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const rtc::Callback0<void>& no_longer_used)
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: width_(width),
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height_(height),
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y_plane_(y_plane),
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u_plane_(u_plane),
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v_plane_(v_plane),
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y_stride_(y_stride),
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u_stride_(u_stride),
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v_stride_(v_stride),
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no_longer_used_cb_(no_longer_used) {}
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~WrappedYuvBuffer() override { no_longer_used_cb_(); }
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int width() const override { return width_; }
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int height() const override { return height_; }
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const uint8_t* DataY() const override { return y_plane_; }
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const uint8_t* DataU() const override { return u_plane_; }
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const uint8_t* DataV() const override { return v_plane_; }
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int StrideY() const override { return y_stride_; }
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int StrideU() const override { return u_stride_; }
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int StrideV() const override { return v_stride_; }
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private:
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friend class rtc::RefCountedObject<WrappedYuvBuffer>;
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const int width_;
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const int height_;
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const uint8_t* const y_plane_;
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const uint8_t* const u_plane_;
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const uint8_t* const v_plane_;
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const int y_stride_;
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const int u_stride_;
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const int v_stride_;
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rtc::Callback0<void> no_longer_used_cb_;
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};
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// Template to implement a wrapped buffer for a I4??BufferInterface.
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template <typename BaseWithA>
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class WrappedYuvaBuffer : public WrappedYuvBuffer<BaseWithA> {
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public:
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WrappedYuvaBuffer(int width,
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int height,
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const uint8_t* y_plane,
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int y_stride,
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const uint8_t* u_plane,
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int u_stride,
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const uint8_t* v_plane,
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int v_stride,
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const uint8_t* a_plane,
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int a_stride,
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const rtc::Callback0<void>& no_longer_used)
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: WrappedYuvBuffer<BaseWithA>(width,
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height,
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y_plane,
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y_stride,
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u_plane,
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u_stride,
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v_plane,
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v_stride,
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no_longer_used),
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a_plane_(a_plane),
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a_stride_(a_stride) {}
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const uint8_t* DataA() const override { return a_plane_; }
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int StrideA() const override { return a_stride_; }
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private:
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const uint8_t* const a_plane_;
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const int a_stride_;
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};
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class I444BufferBase : public I444BufferInterface {
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public:
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rtc::scoped_refptr<I420BufferInterface> ToI420() final;
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};
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rtc::scoped_refptr<I420BufferInterface> I444BufferBase::ToI420() {
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rtc::scoped_refptr<I420Buffer> i420_buffer =
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I420Buffer::Create(width(), height());
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libyuv::I444ToI420(DataY(), StrideY(), DataU(), StrideU(), DataV(), StrideV(),
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i420_buffer->MutableDataY(), i420_buffer->StrideY(),
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i420_buffer->MutableDataU(), i420_buffer->StrideU(),
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i420_buffer->MutableDataV(), i420_buffer->StrideV(),
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width(), height());
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return i420_buffer;
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}
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// Template to implement a wrapped buffer for a PlanarYuv16BBuffer.
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template <typename Base>
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class WrappedYuv16BBuffer : public Base {
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public:
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WrappedYuv16BBuffer(int width,
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int height,
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const uint16_t* y_plane,
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int y_stride,
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const uint16_t* u_plane,
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int u_stride,
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const uint16_t* v_plane,
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int v_stride,
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const rtc::Callback0<void>& no_longer_used)
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: width_(width),
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height_(height),
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y_plane_(y_plane),
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u_plane_(u_plane),
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v_plane_(v_plane),
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y_stride_(y_stride),
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u_stride_(u_stride),
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v_stride_(v_stride),
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no_longer_used_cb_(no_longer_used) {}
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~WrappedYuv16BBuffer() override { no_longer_used_cb_(); }
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int width() const override { return width_; }
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int height() const override { return height_; }
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const uint16_t* DataY() const override { return y_plane_; }
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const uint16_t* DataU() const override { return u_plane_; }
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const uint16_t* DataV() const override { return v_plane_; }
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int StrideY() const override { return y_stride_; }
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int StrideU() const override { return u_stride_; }
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int StrideV() const override { return v_stride_; }
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private:
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friend class rtc::RefCountedObject<WrappedYuv16BBuffer>;
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const int width_;
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const int height_;
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const uint16_t* const y_plane_;
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const uint16_t* const u_plane_;
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const uint16_t* const v_plane_;
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const int y_stride_;
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const int u_stride_;
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const int v_stride_;
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rtc::Callback0<void> no_longer_used_cb_;
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};
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class I010BufferBase : public I010BufferInterface {
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public:
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rtc::scoped_refptr<I420BufferInterface> ToI420() final;
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};
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rtc::scoped_refptr<I420BufferInterface> I010BufferBase::ToI420() {
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rtc::scoped_refptr<I420Buffer> i420_buffer =
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I420Buffer::Create(width(), height());
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libyuv::I010ToI420(DataY(), StrideY(), DataU(), StrideU(), DataV(), StrideV(),
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i420_buffer->MutableDataY(), i420_buffer->StrideY(),
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i420_buffer->MutableDataU(), i420_buffer->StrideU(),
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i420_buffer->MutableDataV(), i420_buffer->StrideV(),
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width(), height());
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return i420_buffer;
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}
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} // namespace
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rtc::scoped_refptr<I420BufferInterface> WrapI420Buffer(
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int width,
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int height,
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const uint8_t* y_plane,
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int y_stride,
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const uint8_t* u_plane,
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int u_stride,
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const uint8_t* v_plane,
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int v_stride,
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const rtc::Callback0<void>& no_longer_used) {
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return rtc::scoped_refptr<I420BufferInterface>(
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new rtc::RefCountedObject<WrappedYuvBuffer<I420BufferInterface>>(
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width, height, y_plane, y_stride, u_plane, u_stride, v_plane,
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v_stride, no_longer_used));
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}
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rtc::scoped_refptr<I420ABufferInterface> WrapI420ABuffer(
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int width,
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int height,
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const uint8_t* y_plane,
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int y_stride,
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const uint8_t* u_plane,
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int u_stride,
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const uint8_t* v_plane,
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int v_stride,
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const uint8_t* a_plane,
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int a_stride,
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const rtc::Callback0<void>& no_longer_used) {
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return rtc::scoped_refptr<I420ABufferInterface>(
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new rtc::RefCountedObject<WrappedYuvaBuffer<I420ABufferInterface>>(
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width, height, y_plane, y_stride, u_plane, u_stride, v_plane,
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v_stride, a_plane, a_stride, no_longer_used));
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}
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rtc::scoped_refptr<I444BufferInterface> WrapI444Buffer(
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int width,
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int height,
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const uint8_t* y_plane,
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int y_stride,
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const uint8_t* u_plane,
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int u_stride,
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const uint8_t* v_plane,
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int v_stride,
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const rtc::Callback0<void>& no_longer_used) {
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return rtc::scoped_refptr<I444BufferInterface>(
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new rtc::RefCountedObject<WrappedYuvBuffer<I444BufferBase>>(
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width, height, y_plane, y_stride, u_plane, u_stride, v_plane,
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v_stride, no_longer_used));
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}
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rtc::scoped_refptr<PlanarYuvBuffer> WrapYuvBuffer(
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VideoFrameBuffer::Type type,
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int width,
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int height,
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const uint8_t* y_plane,
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int y_stride,
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const uint8_t* u_plane,
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int u_stride,
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const uint8_t* v_plane,
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int v_stride,
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const rtc::Callback0<void>& no_longer_used) {
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switch (type) {
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case VideoFrameBuffer::Type::kI420:
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return WrapI420Buffer(width, height, y_plane, y_stride, u_plane, u_stride,
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v_plane, v_stride, no_longer_used);
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case VideoFrameBuffer::Type::kI444:
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return WrapI444Buffer(width, height, y_plane, y_stride, u_plane, u_stride,
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v_plane, v_stride, no_longer_used);
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default:
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FATAL() << "Unexpected frame buffer type.";
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return nullptr;
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}
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}
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rtc::scoped_refptr<I010BufferInterface> WrapI010Buffer(
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int width,
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int height,
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const uint16_t* y_plane,
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int y_stride,
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const uint16_t* u_plane,
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int u_stride,
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const uint16_t* v_plane,
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int v_stride,
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const rtc::Callback0<void>& no_longer_used) {
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return rtc::scoped_refptr<I010BufferInterface>(
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new rtc::RefCountedObject<WrappedYuv16BBuffer<I010BufferBase>>(
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width, height, y_plane, y_stride, u_plane, u_stride, v_plane,
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v_stride, no_longer_used));
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}
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} // namespace webrtc
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