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/*
* Copyright (c) 2020 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.
*/
#ifndef TEST_MAPPABLE_NATIVE_BUFFER_H_
#define TEST_MAPPABLE_NATIVE_BUFFER_H_
#include <cstdint>
#include <vector>
#include "api/array_view.h"
#include "api/scoped_refptr.h"
#include "api/video/video_frame.h"
#include "api/video/video_frame_buffer.h"
#include "rtc_base/ref_counted_object.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/thread_annotations.h"
namespace webrtc {
namespace test {
class MappableNativeBuffer;
VideoFrame CreateMappableNativeFrame(int64_t ntp_time_ms,
VideoFrameBuffer::Type mappable_type,
int width,
int height);
scoped_refptr<MappableNativeBuffer> GetMappableNativeBufferFromVideoFrame(
const VideoFrame& frame);
// A for-testing native buffer that is scalable and mappable. The contents of
// the buffer is black and the pixels are created upon mapping. Mapped buffers
// are stored inside MappableNativeBuffer, allowing tests to verify which
// resolutions were mapped, e.g. when passing them in to an encoder or other
// modules.
class MappableNativeBuffer : public VideoFrameBuffer {
public:
// If `allow_i420_conversion` is false, calling ToI420() on a non-I420 buffer
// will DCHECK-crash. Used to ensure zero-copy in tests.
MappableNativeBuffer(VideoFrameBuffer::Type mappable_type,
int width,
int height);
~MappableNativeBuffer() override;
VideoFrameBuffer::Type mappable_type() const { return mappable_type_; }
VideoFrameBuffer::Type type() const override { return Type::kNative; }
int width() const override { return width_; }
int height() const override { return height_; }
scoped_refptr<VideoFrameBuffer> CropAndScale(int offset_x,
int offset_y,
int crop_width,
int crop_height,
int scaled_width,
int scaled_height) override;
scoped_refptr<I420BufferInterface> ToI420() override;
scoped_refptr<VideoFrameBuffer> GetMappedFrameBuffer(
ArrayView<VideoFrameBuffer::Type> types) override;
// Gets all the buffers that have been mapped so far, including mappings of
// cropped and scaled buffers.
std::vector<scoped_refptr<VideoFrameBuffer>> GetMappedFramedBuffers() const;
bool DidConvertToI420() const;
private:
friend class RefCountedObject<MappableNativeBuffer>;
class ScaledBuffer : public VideoFrameBuffer {
public:
ScaledBuffer(scoped_refptr<MappableNativeBuffer> parent,
int width,
int height);
~ScaledBuffer() override;
VideoFrameBuffer::Type type() const override { return Type::kNative; }
int width() const override { return width_; }
int height() const override { return height_; }
scoped_refptr<VideoFrameBuffer> CropAndScale(int offset_x,
int offset_y,
int crop_width,
int crop_height,
int scaled_width,
int scaled_height) override;
scoped_refptr<I420BufferInterface> ToI420() override;
scoped_refptr<VideoFrameBuffer> GetMappedFrameBuffer(
ArrayView<VideoFrameBuffer::Type> types) override;
private:
friend class RefCountedObject<ScaledBuffer>;
const scoped_refptr<MappableNativeBuffer> parent_;
const int width_;
const int height_;
};
scoped_refptr<ScaledBuffer> FullSizeBuffer();
scoped_refptr<VideoFrameBuffer> GetOrCreateMappedBuffer(int width,
int height);
const VideoFrameBuffer::Type mappable_type_;
const int width_;
const int height_;
mutable Mutex lock_;
std::vector<scoped_refptr<VideoFrameBuffer>> mapped_buffers_
RTC_GUARDED_BY(&lock_);
};
} // namespace test
} // namespace webrtc
#endif // TEST_MAPPABLE_NATIVE_BUFFER_H_
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