kwiberg 805fc710f7 Let Rent-A-Codec™ create and own speech encoders
BUG=webrtc:5028

Review URL: https://codereview.webrtc.org/1410333015

Cr-Commit-Position: refs/heads/master@{#10575}
2015-11-10 12:05:23 +00:00

69 lines
2.2 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/audio_decoder.h"
#include "webrtc/modules/audio_coding/main/acm2/rent_a_codec.h"
#include "webrtc/modules/audio_coding/main/include/audio_coding_module_typedefs.h"
namespace webrtc {
namespace acm2 {
class CodecOwner {
public:
CodecOwner();
~CodecOwner();
// Start using the specified encoder. Returns false on error.
// TODO(kwiberg): Don't handle errors here (bug 5033)
bool SetEncoders(const CodecInst& speech_inst,
int cng_payload_type,
ACMVADMode vad_mode,
int red_payload_type) WARN_UNUSED_RESULT;
void SetEncoders(AudioEncoder* 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;
private:
AudioEncoder* 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_;
RentACodec rent_a_codec_;
RTC_DISALLOW_COPY_AND_ASSIGN(CodecOwner);
};
} // namespace acm2
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_OWNER_H_