blob: 6a80a69d3223e488c858225bb4b721021e67021f [file] [log] [blame]
* 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.
#include "webrtc/api/audio_codecs/audio_encoder.h"
#include "webrtc/api/audio_codecs/ilbc/audio_encoder_ilbc_config.h"
#include "webrtc/modules/audio_coding/codecs/ilbc/ilbc.h"
#include "webrtc/rtc_base/constructormagic.h"
namespace webrtc {
struct CodecInst;
class AudioEncoderIlbcImpl final : public AudioEncoder {
AudioEncoderIlbcImpl(const AudioEncoderIlbcConfig& config, int payload_type);
explicit AudioEncoderIlbcImpl(const CodecInst& codec_inst);
~AudioEncoderIlbcImpl() override;
int SampleRateHz() const override;
size_t NumChannels() const override;
size_t Num10MsFramesInNextPacket() const override;
size_t Max10MsFramesInAPacket() const override;
int GetTargetBitrate() const override;
EncodedInfo EncodeImpl(uint32_t rtp_timestamp,
rtc::ArrayView<const int16_t> audio,
rtc::Buffer* encoded) override;
void Reset() override;
size_t RequiredOutputSizeBytes() const;
static constexpr size_t kMaxSamplesPerPacket = 480;
const int frame_size_ms_;
const int payload_type_;
const size_t num_10ms_frames_per_packet_;
size_t num_10ms_frames_buffered_;
uint32_t first_timestamp_in_buffer_;
int16_t input_buffer_[kMaxSamplesPerPacket];
IlbcEncoderInstance* encoder_;
} // namespace webrtc