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/*
* Copyright (c) 2019 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 API_TEST_FRAME_GENERATOR_INTERFACE_H_
#define API_TEST_FRAME_GENERATOR_INTERFACE_H_
#include <utility>
#include "absl/types/optional.h"
#include "api/scoped_refptr.h"
#include "api/video/video_frame.h"
#include "api/video/video_frame_buffer.h"
namespace webrtc {
namespace test {
class FrameGeneratorInterface {
public:
struct Resolution {
size_t width;
size_t height;
};
struct VideoFrameData {
VideoFrameData(rtc::scoped_refptr<VideoFrameBuffer> buffer,
absl::optional<VideoFrame::UpdateRect> update_rect)
: buffer(std::move(buffer)), update_rect(update_rect) {}
rtc::scoped_refptr<VideoFrameBuffer> buffer;
absl::optional<VideoFrame::UpdateRect> update_rect;
};
enum class OutputType { kI420, kI420A, kI010, kNV12 };
static const char* OutputTypeToString(OutputType type);
virtual ~FrameGeneratorInterface() = default;
// Returns VideoFrameBuffer and area where most of update was done to set them
// on the VideoFrame object.
virtual VideoFrameData NextFrame() = 0;
// Change the capture resolution.
virtual void ChangeResolution(size_t width, size_t height) = 0;
virtual Resolution GetResolution() const = 0;
// Returns the frames per second this generator is supposed to provide
// according to its data source. Not all frame generators know the frames per
// second of the data source, in such case this method returns absl::nullopt.
virtual absl::optional<int> fps() const = 0;
};
} // namespace test
} // namespace webrtc
#endif // API_TEST_FRAME_GENERATOR_INTERFACE_H_
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