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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 MODULES_VIDEO_CODING_SVC_SCALABILITY_STRUCTURE_TEST_HELPERS_H_
#define MODULES_VIDEO_CODING_SVC_SCALABILITY_STRUCTURE_TEST_HELPERS_H_
#include <stdint.h>
#include <vector>
#include "api/array_view.h"
#include "api/transport/rtp/dependency_descriptor.h"
#include "api/video/video_bitrate_allocation.h"
#include "common_video/generic_frame_descriptor/generic_frame_info.h"
#include "modules/video_coding/chain_diff_calculator.h"
#include "modules/video_coding/frame_dependencies_calculator.h"
#include "modules/video_coding/svc/scalable_video_controller.h"
namespace webrtc {
// Creates bitrate allocation with non-zero bitrate for given number of temporal
// layers for each spatial layer.
VideoBitrateAllocation EnableTemporalLayers(int s0, int s1 = 0, int s2 = 0);
class ScalabilityStructureWrapper {
public:
explicit ScalabilityStructureWrapper(ScalableVideoController& structure)
: structure_controller_(structure) {}
std::vector<GenericFrameInfo> GenerateFrames(int num_temporal_units) {
std::vector<GenericFrameInfo> frames;
GenerateFrames(num_temporal_units, frames);
return frames;
}
void GenerateFrames(int num_temporal_units,
std::vector<GenericFrameInfo>& frames);
// Returns false and ADD_FAILUREs for frames with invalid references.
// In particular validates no frame frame reference to frame before frames[0].
// In error messages frames are indexed starting with 0.
bool FrameReferencesAreValid(
rtc::ArrayView<const GenericFrameInfo> frames) const;
private:
ScalableVideoController& structure_controller_;
FrameDependenciesCalculator frame_deps_calculator_;
ChainDiffCalculator chain_diff_calculator_;
int64_t frame_id_ = 0;
};
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_SVC_SCALABILITY_STRUCTURE_TEST_HELPERS_H_
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