| /* |
| * 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 MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_ENCODER_ILBC_H_ |
| #define MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_ENCODER_ILBC_H_ |
| |
| #include "api/audio_codecs/audio_encoder.h" |
| #include "api/audio_codecs/ilbc/audio_encoder_ilbc_config.h" |
| #include "modules/audio_coding/codecs/ilbc/ilbc.h" |
| #include "rtc_base/constructormagic.h" |
| |
| namespace webrtc { |
| |
| struct CodecInst; |
| |
| class AudioEncoderIlbcImpl final : public AudioEncoder { |
| public: |
| 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; |
| |
| private: |
| 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_; |
| RTC_DISALLOW_COPY_AND_ASSIGN(AudioEncoderIlbcImpl); |
| }; |
| |
| } // namespace webrtc |
| #endif // MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_ENCODER_ILBC_H_ |