Files
platform-external-webrtc/webrtc/modules/audio_coding/main/acm2/codec_owner.h
Karl Wiberg 7e0c7d49ea Add support for external encoders in ACM
Also introduce tests using external (mock) encoders, both for
CodecOwner and for AudioCodingModule.

Support for external decoders is still missing.

COAUTHOR=henrik.lundin@webrtc.org
BUG=4474
R=jmarusic@webrtc.org, minyue@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/49939004

Cr-Commit-Position: refs/heads/master@{#9206}
2015-05-18 12:52:13 +00:00

82 lines
3.0 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:
// There are three main cases for the state of the encoder members below:
// 1. An external encoder is used. |external_speech_encoder_| points to it.
// |speech_encoder_| is null, and |isac_is_encoder_| is false.
// 2. The internal iSAC codec is used as encoder. |isac_codec_| points to it
// and |isac_is_encoder_| is true. |external_speech_encoder_| and
// |speech_encoder_| are null.
// 3. Another internal encoder is used. |speech_encoder_| points to it.
// |external_speech_encoder_| is null, and |isac_is_encoder_| is false.
// In addition to case 2, |isac_codec_| is valid when GetIsacDecoder has been
// called.
rtc::scoped_ptr<AudioEncoderMutable> speech_encoder_;
rtc::scoped_ptr<AudioEncoderDecoderMutableIsac> isac_codec_;
bool isac_is_encoder_;
AudioEncoderMutable* external_speech_encoder_;
// |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_