webrtc/api/audio_codecs/opus/audio_encoder_opus_config.h
Danil Chapovalov 0bc58cf876 Replace rtc::Optional with absl::optional in api
This is a no-op change because rtc::Optional is an alias to absl::optional

This CL generated by running script with parameter 'api'
Then undo changes to optional target itself and optional_unittests

find $@ -type f \( -name \*.h -o -name \*.cc \) \
-exec sed -i 's|rtc::Optional|absl::optional|g' {} \+ \
-exec sed -i 's|rtc::nullopt|absl::nullopt|g' {} \+ \
-exec sed -i 's|#include "api/optional.h"|#include "absl/types/optional.h"|' {} \+

find $@ -type f -name BUILD.gn \
-exec sed -r -i 's|"[\./api]*:optional"|"//third_party/abseil-cpp/absl/types:optional"|' {} \+;

git cl format

Bug: webrtc:9078
Change-Id: I44093da213369d6a502e33792c694f620f53b779
Reviewed-on: https://webrtc-review.googlesource.com/84621
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23707}
2018-06-21 12:50:03 +00:00

73 lines
2.4 KiB
C++

/*
* Copyright (c) 2017 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_AUDIO_CODECS_OPUS_AUDIO_ENCODER_OPUS_CONFIG_H_
#define API_AUDIO_CODECS_OPUS_AUDIO_ENCODER_OPUS_CONFIG_H_
#include <stddef.h>
#include <vector>
#include "absl/types/optional.h"
namespace webrtc {
// NOTE: This struct is still under development and may change without notice.
struct AudioEncoderOpusConfig {
static constexpr int kDefaultFrameSizeMs = 20;
// Opus API allows a min bitrate of 500bps, but Opus documentation suggests
// bitrate should be in the range of 6000 to 510000, inclusive.
static constexpr int kMinBitrateBps = 6000;
static constexpr int kMaxBitrateBps = 510000;
AudioEncoderOpusConfig();
AudioEncoderOpusConfig(const AudioEncoderOpusConfig&);
~AudioEncoderOpusConfig();
AudioEncoderOpusConfig& operator=(const AudioEncoderOpusConfig&);
bool IsOk() const; // Checks if the values are currently OK.
int frame_size_ms;
size_t num_channels;
enum class ApplicationMode { kVoip, kAudio };
ApplicationMode application;
// NOTE: This member must always be set.
// TODO(kwiberg): Turn it into just an int.
absl::optional<int> bitrate_bps;
bool fec_enabled;
bool cbr_enabled;
int max_playback_rate_hz;
// |complexity| is used when the bitrate goes above
// |complexity_threshold_bps| + |complexity_threshold_window_bps|;
// |low_rate_complexity| is used when the bitrate falls below
// |complexity_threshold_bps| - |complexity_threshold_window_bps|. In the
// interval in the middle, we keep using the most recent of the two
// complexity settings.
int complexity;
int low_rate_complexity;
int complexity_threshold_bps;
int complexity_threshold_window_bps;
bool dtx_enabled;
std::vector<int> supported_frame_lengths_ms;
int uplink_bandwidth_update_interval_ms;
// NOTE: This member isn't necessary, and will soon go away. See
// https://bugs.chromium.org/p/webrtc/issues/detail?id=7847
int payload_type;
};
} // namespace webrtc
#endif // API_AUDIO_CODECS_OPUS_AUDIO_ENCODER_OPUS_CONFIG_H_