5a25d9504a
Because passing ownership in raw pointers makes kittens cry. This also means we can ditch the Destroy functions and the protected destructors. (Well, almost. We need to keep the old CreateFilePlayer and DestroyFilePlayer around for a little while longer because of an external caller.) Review-Url: https://codereview.webrtc.org/2049683003 Cr-Commit-Position: refs/heads/master@{#13797}
133 lines
4.0 KiB
C++
133 lines
4.0 KiB
C++
/*
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* Copyright (c) 2012 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 WEBRTC_VOICE_ENGINE_OUTPUT_MIXER_H_
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#define WEBRTC_VOICE_ENGINE_OUTPUT_MIXER_H_
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#include <memory>
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#include "webrtc/base/criticalsection.h"
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#include "webrtc/common_audio/resampler/include/push_resampler.h"
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#include "webrtc/common_types.h"
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#include "webrtc/modules/audio_conference_mixer/include/audio_conference_mixer.h"
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#include "webrtc/modules/audio_conference_mixer/include/audio_conference_mixer_defines.h"
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#include "webrtc/modules/utility/include/file_recorder.h"
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#include "webrtc/voice_engine/level_indicator.h"
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#include "webrtc/voice_engine/voice_engine_defines.h"
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namespace webrtc {
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class AudioProcessing;
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class FileWrapper;
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class VoEMediaProcess;
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namespace voe {
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class Statistics;
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class OutputMixer : public AudioMixerOutputReceiver,
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public FileCallback
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{
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public:
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static int32_t Create(OutputMixer*& mixer, uint32_t instanceId);
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static void Destroy(OutputMixer*& mixer);
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int32_t SetEngineInformation(Statistics& engineStatistics);
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int32_t SetAudioProcessingModule(
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AudioProcessing* audioProcessingModule);
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// VoEExternalMedia
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int RegisterExternalMediaProcessing(
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VoEMediaProcess& proccess_object);
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int DeRegisterExternalMediaProcessing();
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int32_t MixActiveChannels();
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int32_t DoOperationsOnCombinedSignal(bool feed_data_to_apm);
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int32_t SetMixabilityStatus(MixerParticipant& participant,
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bool mixable);
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int32_t SetAnonymousMixabilityStatus(MixerParticipant& participant,
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bool mixable);
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int GetMixedAudio(int sample_rate_hz, size_t num_channels,
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AudioFrame* audioFrame);
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// VoEVolumeControl
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int GetSpeechOutputLevel(uint32_t& level);
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int GetSpeechOutputLevelFullRange(uint32_t& level);
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int SetOutputVolumePan(float left, float right);
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int GetOutputVolumePan(float& left, float& right);
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// VoEFile
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int StartRecordingPlayout(const char* fileName,
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const CodecInst* codecInst);
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int StartRecordingPlayout(OutStream* stream,
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const CodecInst* codecInst);
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int StopRecordingPlayout();
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virtual ~OutputMixer();
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// from AudioMixerOutputReceiver
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virtual void NewMixedAudio(
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int32_t id,
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const AudioFrame& generalAudioFrame,
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const AudioFrame** uniqueAudioFrames,
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uint32_t size);
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// For file recording
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void PlayNotification(int32_t id, uint32_t durationMs);
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void RecordNotification(int32_t id, uint32_t durationMs);
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void PlayFileEnded(int32_t id);
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void RecordFileEnded(int32_t id);
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private:
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OutputMixer(uint32_t instanceId);
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// uses
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Statistics* _engineStatisticsPtr;
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AudioProcessing* _audioProcessingModulePtr;
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rtc::CriticalSection _callbackCritSect;
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// Protects output_file_recorder_ and _outputFileRecording.
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rtc::CriticalSection _fileCritSect;
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AudioConferenceMixer& _mixerModule;
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AudioFrame _audioFrame;
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// Converts mixed audio to the audio device output rate.
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PushResampler<int16_t> resampler_;
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// Converts mixed audio to the audio processing rate.
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PushResampler<int16_t> audioproc_resampler_;
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AudioLevel _audioLevel; // measures audio level for the combined signal
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int _instanceId;
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VoEMediaProcess* _externalMediaCallbackPtr;
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bool _externalMedia;
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float _panLeft;
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float _panRight;
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int _mixingFrequencyHz;
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std::unique_ptr<FileRecorder> output_file_recorder_;
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bool _outputFileRecording;
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};
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} // namespace voe
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} // namespace werbtc
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#endif // VOICE_ENGINE_OUTPUT_MIXER_H_
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