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 |
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+++ 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_ |