webrtc/rtc_base/experiments/encoder_info_settings.h
Chunbo Hua 46ad25119c Make requested_resolution_alignment of webrtc::EncoderInfo as uint32_t.
At the same time, proper names of some parameters are refactored in SimulcastEncoderAdapter.

Bug: None
Change-Id: Ia036e3f362d1394e90aa26b79953c1ffe75e2fe0
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/284961
Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org>
Commit-Queue: Chunbo Hua <chunbo.hua@intel.com>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38870}
2022-12-12 06:02:59 +00:00

93 lines
3.1 KiB
C++

/*
* Copyright 2021 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 RTC_BASE_EXPERIMENTS_ENCODER_INFO_SETTINGS_H_
#define RTC_BASE_EXPERIMENTS_ENCODER_INFO_SETTINGS_H_
#include <string>
#include <vector>
#include "absl/strings/string_view.h"
#include "absl/types/optional.h"
#include "api/video_codecs/video_encoder.h"
#include "rtc_base/experiments/field_trial_parser.h"
namespace webrtc {
class EncoderInfoSettings {
public:
virtual ~EncoderInfoSettings();
// Bitrate limits per resolution.
struct BitrateLimit {
int frame_size_pixels = 0; // The video frame size.
int min_start_bitrate_bps = 0; // The minimum bitrate to start encoding.
int min_bitrate_bps = 0; // The minimum bitrate.
int max_bitrate_bps = 0; // The maximum bitrate.
};
absl::optional<uint32_t> requested_resolution_alignment() const;
bool apply_alignment_to_all_simulcast_layers() const {
return apply_alignment_to_all_simulcast_layers_.Get();
}
std::vector<VideoEncoder::ResolutionBitrateLimits> resolution_bitrate_limits()
const {
return resolution_bitrate_limits_;
}
static std::vector<VideoEncoder::ResolutionBitrateLimits>
GetDefaultSinglecastBitrateLimits(VideoCodecType codec_type);
static absl::optional<VideoEncoder::ResolutionBitrateLimits>
GetDefaultSinglecastBitrateLimitsForResolution(VideoCodecType codec_type,
int frame_size_pixels);
static std::vector<VideoEncoder::ResolutionBitrateLimits>
GetDefaultSinglecastBitrateLimitsWhenQpIsUntrusted();
static absl::optional<VideoEncoder::ResolutionBitrateLimits>
GetSinglecastBitrateLimitForResolutionWhenQpIsUntrusted(
absl::optional<int> frame_size_pixels,
const std::vector<VideoEncoder::ResolutionBitrateLimits>&
resolution_bitrate_limits);
protected:
explicit EncoderInfoSettings(absl::string_view name);
private:
FieldTrialOptional<uint32_t> requested_resolution_alignment_;
FieldTrialFlag apply_alignment_to_all_simulcast_layers_;
std::vector<VideoEncoder::ResolutionBitrateLimits> resolution_bitrate_limits_;
};
// EncoderInfo settings for SimulcastEncoderAdapter.
class SimulcastEncoderAdapterEncoderInfoSettings : public EncoderInfoSettings {
public:
SimulcastEncoderAdapterEncoderInfoSettings();
~SimulcastEncoderAdapterEncoderInfoSettings() override {}
};
// EncoderInfo settings for LibvpxVp8Encoder.
class LibvpxVp8EncoderInfoSettings : public EncoderInfoSettings {
public:
LibvpxVp8EncoderInfoSettings();
~LibvpxVp8EncoderInfoSettings() override {}
};
// EncoderInfo settings for LibvpxVp9Encoder.
class LibvpxVp9EncoderInfoSettings : public EncoderInfoSettings {
public:
LibvpxVp9EncoderInfoSettings();
~LibvpxVp9EncoderInfoSettings() override {}
};
} // namespace webrtc
#endif // RTC_BASE_EXPERIMENTS_ENCODER_INFO_SETTINGS_H_