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7fa9057a05
This is part of a large-scale effort to increase adoption of absl::string_view across the WebRTC code base. This CL converts the majority of "const std::string&"s in function parameters under rtc_base/ to absl::string_view. Bug: webrtc:13579 Change-Id: I2b1e3776aa42326aa405f76bb324a2d233b21dca Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/254081 Reviewed-by: Niels Moller <nisse@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Xavier Lepaul <xalep@webrtc.org> Reviewed-by: Anders Lilienthal <andersc@webrtc.org> Reviewed-by: Per Kjellander <perkj@webrtc.org> Commit-Queue: Ali Tofigh <alito@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36239}
93 lines
3.1 KiB
C++
93 lines
3.1 KiB
C++
/*
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* Copyright 2021 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_EXPERIMENTS_ENCODER_INFO_SETTINGS_H_
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#define RTC_BASE_EXPERIMENTS_ENCODER_INFO_SETTINGS_H_
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#include <string>
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#include <vector>
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#include "absl/strings/string_view.h"
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#include "absl/types/optional.h"
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#include "api/video_codecs/video_encoder.h"
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#include "rtc_base/experiments/field_trial_parser.h"
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namespace webrtc {
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class EncoderInfoSettings {
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public:
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virtual ~EncoderInfoSettings();
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// Bitrate limits per resolution.
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struct BitrateLimit {
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int frame_size_pixels = 0; // The video frame size.
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int min_start_bitrate_bps = 0; // The minimum bitrate to start encoding.
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int min_bitrate_bps = 0; // The minimum bitrate.
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int max_bitrate_bps = 0; // The maximum bitrate.
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};
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absl::optional<int> requested_resolution_alignment() const;
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bool apply_alignment_to_all_simulcast_layers() const {
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return apply_alignment_to_all_simulcast_layers_.Get();
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}
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std::vector<VideoEncoder::ResolutionBitrateLimits> resolution_bitrate_limits()
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const {
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return resolution_bitrate_limits_;
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}
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static std::vector<VideoEncoder::ResolutionBitrateLimits>
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GetDefaultSinglecastBitrateLimits(VideoCodecType codec_type);
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static absl::optional<VideoEncoder::ResolutionBitrateLimits>
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GetDefaultSinglecastBitrateLimitsForResolution(VideoCodecType codec_type,
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int frame_size_pixels);
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static std::vector<VideoEncoder::ResolutionBitrateLimits>
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GetDefaultSinglecastBitrateLimitsWhenQpIsUntrusted();
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static absl::optional<VideoEncoder::ResolutionBitrateLimits>
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GetSinglecastBitrateLimitForResolutionWhenQpIsUntrusted(
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absl::optional<int> frame_size_pixels,
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const std::vector<VideoEncoder::ResolutionBitrateLimits>&
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resolution_bitrate_limits);
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protected:
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explicit EncoderInfoSettings(absl::string_view name);
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private:
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FieldTrialOptional<int> requested_resolution_alignment_;
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FieldTrialFlag apply_alignment_to_all_simulcast_layers_;
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std::vector<VideoEncoder::ResolutionBitrateLimits> resolution_bitrate_limits_;
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};
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// EncoderInfo settings for SimulcastEncoderAdapter.
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class SimulcastEncoderAdapterEncoderInfoSettings : public EncoderInfoSettings {
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public:
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SimulcastEncoderAdapterEncoderInfoSettings();
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~SimulcastEncoderAdapterEncoderInfoSettings() override {}
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};
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// EncoderInfo settings for LibvpxVp8Encoder.
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class LibvpxVp8EncoderInfoSettings : public EncoderInfoSettings {
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public:
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LibvpxVp8EncoderInfoSettings();
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~LibvpxVp8EncoderInfoSettings() override {}
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};
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// EncoderInfo settings for LibvpxVp9Encoder.
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class LibvpxVp9EncoderInfoSettings : public EncoderInfoSettings {
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public:
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LibvpxVp9EncoderInfoSettings();
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~LibvpxVp9EncoderInfoSettings() override {}
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};
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} // namespace webrtc
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#endif // RTC_BASE_EXPERIMENTS_ENCODER_INFO_SETTINGS_H_
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