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Make an AudioEncoder subclass for iLBC

Browse Source 
BUG=3926
R=henrik.lundin@webrtc.org, kjellander@google.com
TBR=kjellander@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/32649005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7828 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
kwiberg@webrtc.org
2014-12-08 17:11:44 +00:00
parent ee43263a50
commit cb858ba397
10 changed files with 171 additions and 29 deletions
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55
webrtc/modules/audio_coding/codecs/ilbc/interface/audio_encoder_ilbc.h Normal file
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@ -0,0 +1,55 @@
/*
* 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_ILBC_INTERFACE_AUDIO_ENCODER_ILBC_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_ENCODER_ILBC_H_
#include "webrtc/modules/audio_coding/codecs/audio_encoder.h"
#include "webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.h"
#include "webrtc/system_wrappers/interface/scoped_ptr.h"
namespace webrtc {
class AudioEncoderIlbc : public AudioEncoder {
public:
struct Config {
Config() : payload_type(102), frame_size_ms(30) {}
int payload_type;
int frame_size_ms;
};
explicit AudioEncoderIlbc(const Config& config);
virtual ~AudioEncoderIlbc();
virtual int sample_rate_hz() const OVERRIDE;
virtual int num_channels() const OVERRIDE;
virtual int Num10MsFramesInNextPacket() const OVERRIDE;
protected:
virtual bool EncodeInternal(uint32_t timestamp,
const int16_t* audio,
size_t max_encoded_bytes,
uint8_t* encoded,
size_t* encoded_bytes,
EncodedInfo* info) OVERRIDE;
private:
static const int kMaxSamplesPerPacket = 240;
const int payload_type_;
const int num_10ms_frames_per_packet_;
int num_10ms_frames_buffered_;
uint32_t first_timestamp_in_buffer_;
int16_t input_buffer_[kMaxSamplesPerPacket];
iLBC_encinst_t* encoder_;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_ENCODER_ILBC_H_

2
webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.h
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@ -138,7 +138,7 @@ extern "C" {
int16_t WebRtcIlbcfix_Encode(iLBC_encinst_t *iLBCenc_inst,
const int16_t *speechIn,
int16_t len,
int16_t *encoded);
uint8_t* encoded);
/****************************************************************************
* WebRtcIlbcfix_DecoderInit(...)