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Make an AudioEncoder subclass for Opus

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BUG=3926
R=henrik.lundin@webrtc.org, kjellander@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/23239004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7552 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
kwiberg@webrtc.org
2014-10-29 07:28:36 +00:00
parent 2623695dfb
commit 663fdd02fd
6 changed files with 185 additions and 53 deletions
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55
webrtc/modules/audio_coding/codecs/opus/interface/audio_encoder_opus.h Normal file
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/*
* Copyright (c) 2014 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_CODECS_OPUS_INTERFACE_AUDIO_ENCODER_OPUS_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_AUDIO_ENCODER_OPUS_H_
#include <vector>
#include "webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h"
#include "webrtc/modules/audio_coding/codecs/audio_encoder.h"
namespace webrtc {
class AudioEncoderOpus : public AudioEncoder {
public:
struct Config {
Config();
bool IsOk() const;
int frame_size_ms;
int num_channels;
};
explicit AudioEncoderOpus(const Config& config);
virtual ~AudioEncoderOpus() OVERRIDE;
virtual int sample_rate_hz() const OVERRIDE;
virtual int num_channels() const OVERRIDE;
virtual int num_10ms_frames_per_packet() const OVERRIDE;
protected:
virtual bool Encode(uint32_t timestamp,
const int16_t* audio,
size_t max_encoded_bytes,
uint8_t* encoded,
size_t* encoded_bytes,
uint32_t* encoded_timestamp) OVERRIDE;
private:
const int num_10ms_frames_per_packet_;
const int num_channels_;
const int samples_per_10ms_frame_;
std::vector<int16_t> input_buffer_;
OpusEncInst* inst_;
uint32_t first_timestamp_in_buffer_;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_AUDIO_ENCODER_OPUS_H_