74640895fa
BUG=webrtc:5095 R=henrik.lundin@webrtc.org TBR=tommi@webrtc.org Review URL: https://codereview.webrtc.org/1417173004 . Cr-Commit-Position: refs/heads/master@{#10444}
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/*
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* Copyright (c) 2015 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_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_OWNER_H_
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#define WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_OWNER_H_
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#include "webrtc/base/constructormagic.h"
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#include "webrtc/base/scoped_ptr.h"
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#include "webrtc/common_types.h"
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#include "webrtc/modules/audio_coding/codecs/audio_encoder.h"
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#include "webrtc/modules/audio_coding/codecs/audio_decoder.h"
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#include "webrtc/modules/audio_coding/main/include/audio_coding_module_typedefs.h"
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#if defined(WEBRTC_CODEC_ISAC) || defined(WEBRTC_CODEC_ISACFX)
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#include "webrtc/modules/audio_coding/codecs/isac/locked_bandwidth_info.h"
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#else
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// Dummy implementation, for when we don't have iSAC.
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namespace webrtc {
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class LockedIsacBandwidthInfo {};
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}
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#endif
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namespace webrtc {
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namespace acm2 {
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class CodecOwner {
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public:
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CodecOwner();
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~CodecOwner();
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// Start using the specified encoder. Returns false on error.
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// TODO(kwiberg): Don't handle errors here (bug 5033)
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bool SetEncoders(const CodecInst& speech_inst,
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int cng_payload_type,
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ACMVADMode vad_mode,
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int red_payload_type) WARN_UNUSED_RESULT;
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void SetEncoders(AudioEncoder* external_speech_encoder,
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int cng_payload_type,
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ACMVADMode vad_mode,
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int red_payload_type);
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void ChangeCngAndRed(int cng_payload_type,
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ACMVADMode vad_mode,
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int red_payload_type);
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// Returns a pointer to an iSAC decoder owned by the CodecOwner. The decoder
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// will live as long as the CodecOwner exists.
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AudioDecoder* GetIsacDecoder();
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AudioEncoder* Encoder();
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const AudioEncoder* Encoder() const;
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private:
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AudioEncoder* SpeechEncoder();
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const AudioEncoder* SpeechEncoder() const;
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// At most one of these is non-null:
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rtc::scoped_ptr<AudioEncoder> speech_encoder_;
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AudioEncoder* external_speech_encoder_;
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// If we've created an iSAC decoder because someone called GetIsacDecoder,
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// store it here.
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rtc::scoped_ptr<AudioDecoder> isac_decoder_;
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// iSAC bandwidth estimation info, for use with iSAC encoders and decoders.
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LockedIsacBandwidthInfo isac_bandwidth_info_;
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// |cng_encoder_| and |red_encoder_| are valid iff CNG or RED, respectively,
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// are active.
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rtc::scoped_ptr<AudioEncoder> cng_encoder_;
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rtc::scoped_ptr<AudioEncoder> red_encoder_;
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RTC_DISALLOW_COPY_AND_ASSIGN(CodecOwner);
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};
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} // namespace acm2
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_OWNER_H_
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