webrtc/modules/audio_coding/codecs/cng/audio_encoder_cng.h
Yves Gerey 988cc0870b [Cleanup] Add missing #include. Remove useless ones.
This CL is the result of running include-what-you-use tool on part
of the code base (audio target and dependencies) plus manual fixes.

bug: webrtc:8311
Change-Id: I277d281ce943c3ecc1bd45fd8d83055931743604
Reviewed-on: https://webrtc-review.googlesource.com/c/106280
Commit-Queue: Yves Gerey <yvesg@google.com>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25311}
2018-10-23 11:32:56 +00:00

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3.3 KiB
C++

/*
* Copyright (c) 2014 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_AUDIO_CODING_CODECS_CNG_AUDIO_ENCODER_CNG_H_
#define MODULES_AUDIO_CODING_CODECS_CNG_AUDIO_ENCODER_CNG_H_
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <vector>
#include "absl/types/optional.h"
#include "api/array_view.h"
#include "api/audio_codecs/audio_encoder.h"
#include "common_audio/vad/include/vad.h"
#include "rtc_base/buffer.h"
#include "rtc_base/constructormagic.h"
namespace webrtc {
class ComfortNoiseEncoder;
class AudioEncoderCng final : public AudioEncoder {
public:
struct Config {
Config();
Config(Config&&);
~Config();
bool IsOk() const;
size_t num_channels = 1;
int payload_type = 13;
std::unique_ptr<AudioEncoder> speech_encoder;
Vad::Aggressiveness vad_mode = Vad::kVadNormal;
int sid_frame_interval_ms = 100;
int num_cng_coefficients = 8;
// The Vad pointer is mainly for testing. If a NULL pointer is passed, the
// AudioEncoderCng creates (and destroys) a Vad object internally. If an
// object is passed, the AudioEncoderCng assumes ownership of the Vad
// object.
Vad* vad = nullptr;
};
explicit AudioEncoderCng(Config&& config);
~AudioEncoderCng() override;
int SampleRateHz() const override;
size_t NumChannels() const override;
int RtpTimestampRateHz() const override;
size_t Num10MsFramesInNextPacket() const override;
size_t Max10MsFramesInAPacket() const override;
int GetTargetBitrate() const override;
EncodedInfo EncodeImpl(uint32_t rtp_timestamp,
rtc::ArrayView<const int16_t> audio,
rtc::Buffer* encoded) override;
void Reset() override;
bool SetFec(bool enable) override;
bool SetDtx(bool enable) override;
bool SetApplication(Application application) override;
void SetMaxPlaybackRate(int frequency_hz) override;
rtc::ArrayView<std::unique_ptr<AudioEncoder>> ReclaimContainedEncoders()
override;
void OnReceivedUplinkPacketLossFraction(
float uplink_packet_loss_fraction) override;
void OnReceivedUplinkRecoverablePacketLossFraction(
float uplink_recoverable_packet_loss_fraction) override;
void OnReceivedUplinkBandwidth(
int target_audio_bitrate_bps,
absl::optional<int64_t> bwe_period_ms) override;
private:
EncodedInfo EncodePassive(size_t frames_to_encode,
rtc::Buffer* encoded);
EncodedInfo EncodeActive(size_t frames_to_encode,
rtc::Buffer* encoded);
size_t SamplesPer10msFrame() const;
std::unique_ptr<AudioEncoder> speech_encoder_;
const int cng_payload_type_;
const int num_cng_coefficients_;
const int sid_frame_interval_ms_;
std::vector<int16_t> speech_buffer_;
std::vector<uint32_t> rtp_timestamps_;
bool last_frame_active_;
std::unique_ptr<Vad> vad_;
std::unique_ptr<ComfortNoiseEncoder> cng_encoder_;
RTC_DISALLOW_COPY_AND_ASSIGN(AudioEncoderCng);
};
} // namespace webrtc
#endif // MODULES_AUDIO_CODING_CODECS_CNG_AUDIO_ENCODER_CNG_H_