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/*
* Copyright (c) 2018 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_VIDEOCODEC_TEST_FIXTURE_H_
#define API_TEST_VIDEOCODEC_TEST_FIXTURE_H_
#include <string>
#include <vector>
#include "api/test/videocodec_test_stats.h"
#include "api/video_codecs/h264_profile_level_id.h"
#include "api/video_codecs/video_decoder_factory.h"
#include "api/video_codecs/video_encoder_factory.h"
#include "modules/video_coding/include/video_codec_interface.h"
namespace webrtc {
namespace test {
// Rates for the encoder and the frame number when to apply profile.
struct RateProfile {
size_t target_kbps;
double input_fps;
size_t frame_num;
};
struct RateControlThresholds {
double max_avg_bitrate_mismatch_percent;
double max_time_to_reach_target_bitrate_sec;
// TODO(ssilkin): Use absolute threshold for framerate.
double max_avg_framerate_mismatch_percent;
double max_avg_buffer_level_sec;
double max_max_key_frame_delay_sec;
double max_max_delta_frame_delay_sec;
size_t max_num_spatial_resizes;
size_t max_num_key_frames;
};
struct QualityThresholds {
double min_avg_psnr;
double min_min_psnr;
double min_avg_ssim;
double min_min_ssim;
};
struct BitstreamThresholds {
size_t max_max_nalu_size_bytes;
};
// NOTE: This class is still under development and may change without notice.
// TODO(webrtc:14852): Deprecated in favor VideoCodecTester.
class VideoCodecTestFixture {
public:
class EncodedFrameChecker {
public:
virtual ~EncodedFrameChecker() = default;
virtual void CheckEncodedFrame(VideoCodecType codec,
const EncodedImage& encoded_frame) const = 0;
};
struct Config {
Config();
void SetCodecSettings(std::string codec_name,
size_t num_simulcast_streams,
size_t num_spatial_layers,
size_t num_temporal_layers,
bool denoising_on,
bool frame_dropper_on,
bool spatial_resize_on,
size_t width,
size_t height);
size_t NumberOfCores() const;
size_t NumberOfTemporalLayers() const;
size_t NumberOfSpatialLayers() const;
size_t NumberOfSimulcastStreams() const;
std::string ToString() const;
std::string CodecName() const;
// Name of this config, to be used for accounting by the test runner.
std::string test_name;
// Plain name of YUV file to process without file extension.
std::string filename;
// Dimensions of test clip. Falls back to (codec_settings.width/height) if
// not set.
absl::optional<int> clip_width;
absl::optional<int> clip_height;
// Framerate of input clip. Defaults to 30fps if not set.
absl::optional<int> clip_fps;
// The resolution at which psnr/ssim comparisons should be made. Frames
// will be scaled to this size if different.
absl::optional<int> reference_width;
absl::optional<int> reference_height;
// File to process. This must be a video file in the YUV format.
std::string filepath;
// Number of frames to process.
size_t num_frames = 0;
// Bitstream constraints.
size_t max_payload_size_bytes = 1440;
// Should we decode the encoded frames?
bool decode = true;
// Force the encoder and decoder to use a single core for processing.
bool use_single_core = false;
// Should cpu usage be measured?
// If set to true, the encoding will run in real-time.
bool measure_cpu = false;
// Simulate frames arriving in real-time by adding delays between frames.
bool encode_in_real_time = false;
// Codec settings to use.
VideoCodec codec_settings;
// Name of the codec being tested.
std::string codec_name;
// Encoder and decoder format and parameters. If provided, format is used to
// instantiate the codec. If not provided, the test creates and uses the
// default `SdpVideoFormat` based on `codec_name`.
// Encoder and decoder name (`SdpVideoFormat::name`) should be the same as
// `codec_name`.
absl::optional<SdpVideoFormat> encoder_format;
absl::optional<SdpVideoFormat> decoder_format;
// H.264 specific settings.
struct H264CodecSettings {
H264Profile profile = H264Profile::kProfileConstrainedBaseline;
H264PacketizationMode packetization_mode =
H264PacketizationMode::NonInterleaved;
} h264_codec_settings;
// Custom checker that will be called for each frame.
const EncodedFrameChecker* encoded_frame_checker = nullptr;
// Print out frame level stats.
bool print_frame_level_stats = false;
// Path to a directory where encoded or/and decoded video should be saved.
std::string output_path;
// Should video be saved persistently to disk for post-run visualization?
struct VisualizationParams {
bool save_encoded_ivf = false;
bool save_decoded_y4m = false;
} visualization_params;
// Enables quality analysis for dropped frames.
bool analyze_quality_of_dropped_frames = false;
};
virtual ~VideoCodecTestFixture() = default;
virtual void RunTest(const std::vector<RateProfile>& rate_profiles,
const std::vector<RateControlThresholds>* rc_thresholds,
const std::vector<QualityThresholds>* quality_thresholds,
const BitstreamThresholds* bs_thresholds) = 0;
virtual VideoCodecTestStats& GetStats() = 0;
};
} // namespace test
} // namespace webrtc
#endif // API_TEST_VIDEOCODEC_TEST_FIXTURE_H_