Chromium Code Reviews| Index: webrtc/modules/audio_mixer/include/new_audio_conference_mixer.h |
| diff --git a/webrtc/modules/audio_mixer/include/new_audio_conference_mixer.h b/webrtc/modules/audio_mixer/include/new_audio_conference_mixer.h |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..e95d86843ae36799eb2d47fd97f86b669d41fdf8 |
| --- /dev/null |
| +++ b/webrtc/modules/audio_mixer/include/new_audio_conference_mixer.h |
| @@ -0,0 +1,71 @@ |
| +/* |
| + * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
|
ivoc
2016/07/07 13:46:16
Still missing some 2016's. Or will this be removed
|
| + * |
| + * 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 WEBRTC_MODULES_AUDIO_MIXER_INCLUDE_NEW_AUDIO_CONFERENCE_MIXER_H_ |
| +#define WEBRTC_MODULES_AUDIO_MIXER_INCLUDE_NEW_AUDIO_CONFERENCE_MIXER_H_ |
| + |
| +#include "webrtc/modules/audio_mixer/include/audio_mixer_defines.h" |
| +#include "webrtc/modules/include/module.h" |
| +#include "webrtc/modules/include/module_common_types.h" |
| + |
| +namespace webrtc { |
| +class MixerAudioSource; |
| + |
| +class NewAudioConferenceMixer : public Module { |
| + public: |
| + enum { kMaximumAmountOfMixedParticipants = 3 }; |
| + enum Frequency { |
| + kNbInHz = 8000, |
| + kWbInHz = 16000, |
| + kSwbInHz = 32000, |
| + kFbInHz = 48000, |
| + kLowestPossible = -1, |
| + kDefaultFrequency = kWbInHz |
| + }; |
| + |
| + // Factory method. Constructor disabled. |
| + static NewAudioConferenceMixer* Create(int id); |
| + virtual ~NewAudioConferenceMixer() {} |
| + |
| + // Module functions |
| + int64_t TimeUntilNextProcess() override = 0; |
| + void Process() override = 0; |
| + |
| + // Add/remove participants as candidates for mixing. |
| + virtual int32_t SetMixabilityStatus(MixerAudioSource* participant, |
| + bool mixable) = 0; |
| + // Returns true if a participant is a candidate for mixing. |
| + virtual bool MixabilityStatus(const MixerAudioSource& participant) const = 0; |
| + |
| + // Inform the mixer that the participant should always be mixed and not |
| + // count toward the number of mixed participants. Note that a participant |
| + // must have been added to the mixer (by calling SetMixabilityStatus()) |
| + // before this function can be successfully called. |
| + virtual int32_t SetAnonymousMixabilityStatus(MixerAudioSource* participant, |
| + bool mixable) = 0; |
| + // Returns true if the participant is mixed anonymously. |
| + virtual bool AnonymousMixabilityStatus( |
| + const MixerAudioSource& participant) const = 0; |
| + |
| + // Performs mixing by asking registered participants for audio. |
| + // The mixed result is placed in the provided AudioFrame. |
| + virtual void Mix(AudioFrame* audio_frame_for_mixing) = 0; |
| + |
| + // Set the minimum sampling frequency at which to mix. The mixing algorithm |
| + // may still choose to mix at a higher samling frequency to avoid |
| + // downsampling of audio contributing to the mixed audio. |
| + virtual int32_t SetMinimumMixingFrequency(Frequency freq) = 0; |
| + |
| + protected: |
| + NewAudioConferenceMixer() {} |
| +}; |
| +} // namespace webrtc |
| + |
| +#endif // WEBRTC_MODULES_AUDIO_MIXER_INCLUDE_NEW_AUDIO_CONFERENCE_MIXER_H_ |