57 lines
2.2 KiB
C
57 lines
2.2 KiB
C
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/*
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* libjingle
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* Copyright 2004 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_VOICEPROCESSOR_H_
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#define TALK_MEDIA_BASE_VOICEPROCESSOR_H_
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#include "talk/base/basictypes.h"
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#include "talk/base/sigslot.h"
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#include "talk/media/base/audioframe.h"
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namespace cricket {
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enum MediaProcessorDirection {
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MPD_INVALID = 0,
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MPD_RX = 1 << 0,
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MPD_TX = 1 << 1,
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MPD_RX_AND_TX = MPD_RX | MPD_TX,
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};
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class VoiceProcessor : public sigslot::has_slots<> {
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public:
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virtual ~VoiceProcessor() {}
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// Contents of frame may be manipulated by the processor.
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// The processed data is expected to be the same size as the
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// original data.
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virtual void OnFrame(uint32 ssrc,
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MediaProcessorDirection direction,
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AudioFrame* frame) = 0;
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};
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} // namespace cricket
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#endif // TALK_MEDIA_BASE_VOICEPROCESSOR_H_
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