Files
platform-external-webrtc/webrtc/modules/audio_coding/main/acm2/codec_owner.h
kwiberg 608c3cfe77 iSAC: Make separate AudioEncoder and AudioDecoder objects
The only shared state is now the bandwidth estimation info.
This reduces the amount and complexity of the locking
substantially.

Review URL: https://codereview.webrtc.org/1208993010

Cr-Commit-Position: refs/heads/master@{#9762}
2015-08-24 09:03:28 +00:00

78 lines
2.5 KiB
C++

/*
* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
*
* 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_CODING_MAIN_ACM2_CODEC_OWNER_H_
#define WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_OWNER_H_
#include "webrtc/base/constructormagic.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/common_types.h"
#include "webrtc/modules/audio_coding/codecs/audio_encoder.h"
#include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h"
#include "webrtc/modules/audio_coding/main/interface/audio_coding_module_typedefs.h"
namespace webrtc {
class AudioDecoder;
namespace acm2 {
class CodecOwner {
public:
CodecOwner();
~CodecOwner();
void SetEncoders(const CodecInst& speech_inst,
int cng_payload_type,
ACMVADMode vad_mode,
int red_payload_type);
void SetEncoders(AudioEncoderMutable* external_speech_encoder,
int cng_payload_type,
ACMVADMode vad_mode,
int red_payload_type);
void ChangeCngAndRed(int cng_payload_type,
ACMVADMode vad_mode,
int red_payload_type);
// Returns a pointer to an iSAC decoder owned by the CodecOwner. The decoder
// will live as long as the CodecOwner exists.
AudioDecoder* GetIsacDecoder();
AudioEncoder* Encoder();
const AudioEncoder* Encoder() const;
AudioEncoderMutable* SpeechEncoder();
const AudioEncoderMutable* SpeechEncoder() const;
private:
// At most one of these is non-null:
rtc::scoped_ptr<AudioEncoderMutable> speech_encoder_;
AudioEncoderMutable* external_speech_encoder_;
// If we've created an iSAC decoder because someone called GetIsacDecoder,
// store it here.
rtc::scoped_ptr<AudioDecoder> isac_decoder_;
// iSAC bandwidth estimation info, for use with iSAC encoders and decoders.
LockedIsacBandwidthInfo isac_bandwidth_info_;
// |cng_encoder_| and |red_encoder_| are valid iff CNG or RED, respectively,
// are active.
rtc::scoped_ptr<AudioEncoder> cng_encoder_;
rtc::scoped_ptr<AudioEncoder> red_encoder_;
DISALLOW_COPY_AND_ASSIGN(CodecOwner);
};
} // namespace acm2
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_OWNER_H_