67ee6b9a62
Review URL: https://webrtc-codereview.appspot.com/7909004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@5475 4adac7df-926f-26a2-2b94-8c16560cd09d
72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
/*
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* libjingle
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* Copyright 2013 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_MEDIA_BASE_AUDIORENDERER_H_
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#define TALK_MEDIA_BASE_AUDIORENDERER_H_
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namespace cricket {
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// Abstract interface for rendering the audio data.
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class AudioRenderer {
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public:
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class Sink {
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public:
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virtual void OnData(const void* audio_data,
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int bits_per_sample,
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int sample_rate,
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int number_of_channels,
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int number_of_frames) = 0;
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protected:
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virtual ~Sink() {}
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};
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// Sets a sink to the AudioRenderer. There can be only one sink connected
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// to the renderer at a time.
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virtual void SetSink(Sink* sink) {}
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// Add the WebRtc VoE channel to the renderer.
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// For local stream, multiple WebRtc VoE channels can be connected to the
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// renderer. While for remote stream, only one WebRtc VoE channel can be
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// connected to the renderer.
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// TODO(xians): Remove this interface after Chrome switches to the
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// AudioRenderer::Sink interface.
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virtual void AddChannel(int channel_id) {}
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// Remove the WebRtc VoE channel from the renderer.
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// This method is called when the VoE channel is going away.
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// TODO(xians): Remove this interface after Chrome switches to the
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// AudioRenderer::Sink interface.
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virtual void RemoveChannel(int channel_id) {}
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protected:
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virtual ~AudioRenderer() {}
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};
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} // namespace cricket
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#endif // TALK_MEDIA_BASE_AUDIORENDERER_H_
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