| /* |
| * Copyright (c) 2012 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_ACM_ISAC_H_ |
| #define WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_ACM_ISAC_H_ |
| |
| #include "webrtc/base/thread_annotations.h" |
| #include "webrtc/modules/audio_coding/codecs/audio_decoder.h" |
| #include "webrtc/modules/audio_coding/main/acm2/acm_generic_codec.h" |
| #include "webrtc/system_wrappers/interface/scoped_ptr.h" |
| |
| namespace webrtc { |
| |
| class CriticalSectionWrapper; |
| |
| namespace acm2 { |
| |
| struct ACMISACInst; |
| |
| enum IsacCodingMode { |
| ADAPTIVE, |
| CHANNEL_INDEPENDENT |
| }; |
| |
| class ACMISAC : public ACMGenericCodec, AudioDecoder { |
| public: |
| explicit ACMISAC(int16_t codec_id); |
| ~ACMISAC(); |
| |
| int16_t InternalInitDecoder(WebRtcACMCodecParams* codec_params) |
| EXCLUSIVE_LOCKS_REQUIRED(codec_wrapper_lock_); |
| |
| // Methods below are inherited from ACMGenericCodec. |
| ACMGenericCodec* CreateInstance(void) OVERRIDE; |
| |
| int16_t InternalEncode(uint8_t* bitstream, |
| int16_t* bitstream_len_byte) OVERRIDE |
| EXCLUSIVE_LOCKS_REQUIRED(codec_wrapper_lock_); |
| |
| int16_t InternalInitEncoder(WebRtcACMCodecParams* codec_params) OVERRIDE |
| EXCLUSIVE_LOCKS_REQUIRED(codec_wrapper_lock_); |
| |
| int16_t UpdateDecoderSampFreq(int16_t codec_id) OVERRIDE; |
| |
| int16_t UpdateEncoderSampFreq(uint16_t samp_freq_hz) OVERRIDE |
| EXCLUSIVE_LOCKS_REQUIRED(codec_wrapper_lock_); |
| |
| int16_t EncoderSampFreq(uint16_t* samp_freq_hz) OVERRIDE; |
| |
| int32_t ConfigISACBandwidthEstimator(const uint8_t init_frame_size_msec, |
| const uint16_t init_rate_bit_per_sec, |
| const bool enforce_frame_size) OVERRIDE; |
| |
| int32_t SetISACMaxPayloadSize(const uint16_t max_payload_len_bytes) OVERRIDE; |
| |
| int32_t SetISACMaxRate(const uint32_t max_rate_bit_per_sec) OVERRIDE; |
| |
| int16_t REDPayloadISAC(const int32_t isac_rate, |
| const int16_t isac_bw_estimate, |
| uint8_t* payload, |
| int16_t* payload_len_bytes) OVERRIDE; |
| |
| // Methods below are inherited from AudioDecoder. |
| virtual int Decode(const uint8_t* encoded, |
| size_t encoded_len, |
| int16_t* decoded, |
| SpeechType* speech_type) OVERRIDE; |
| |
| virtual bool HasDecodePlc() const OVERRIDE { return true; } |
| |
| virtual int DecodePlc(int num_frames, int16_t* decoded) OVERRIDE; |
| |
| virtual int Init() OVERRIDE { return 0; } |
| |
| virtual int IncomingPacket(const uint8_t* payload, |
| size_t payload_len, |
| uint16_t rtp_sequence_number, |
| uint32_t rtp_timestamp, |
| uint32_t arrival_timestamp) OVERRIDE; |
| |
| virtual int DecodeRedundant(const uint8_t* encoded, |
| size_t encoded_len, |
| int16_t* decoded, |
| SpeechType* speech_type) OVERRIDE; |
| |
| virtual int ErrorCode() OVERRIDE; |
| |
| protected: |
| int16_t Transcode(uint8_t* bitstream, |
| int16_t* bitstream_len_byte, |
| int16_t q_bwe, |
| int32_t rate, |
| bool is_red); |
| |
| void UpdateFrameLen() EXCLUSIVE_LOCKS_REQUIRED(codec_wrapper_lock_); |
| |
| // Methods below are inherited from ACMGenericCodec. |
| void DestructEncoderSafe() OVERRIDE |
| EXCLUSIVE_LOCKS_REQUIRED(codec_wrapper_lock_); |
| |
| int16_t SetBitRateSafe(const int32_t bit_rate) OVERRIDE |
| EXCLUSIVE_LOCKS_REQUIRED(codec_wrapper_lock_); |
| |
| int32_t GetEstimatedBandwidthSafe() OVERRIDE; |
| |
| int32_t SetEstimatedBandwidthSafe(int32_t estimated_bandwidth) OVERRIDE; |
| |
| int32_t GetRedPayloadSafe(uint8_t* red_payload, |
| int16_t* payload_bytes) OVERRIDE; |
| |
| int16_t InternalCreateEncoder() OVERRIDE; |
| |
| void CurrentRate(int32_t* rate_bit_per_sec) OVERRIDE; |
| |
| virtual AudioDecoder* Decoder(int codec_id) OVERRIDE; |
| |
| // |codec_inst_crit_sect_| protects |codec_inst_ptr_|. |
| const scoped_ptr<CriticalSectionWrapper> codec_inst_crit_sect_; |
| ACMISACInst* codec_inst_ptr_ GUARDED_BY(codec_inst_crit_sect_); |
| bool is_enc_initialized_; |
| IsacCodingMode isac_coding_mode_; |
| bool enforce_frame_size_; |
| int32_t isac_current_bn_; |
| uint16_t samples_in_10ms_audio_; |
| bool decoder_initialized_; |
| }; |
| |
| } // namespace acm2 |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_ACM_ISAC_H_ |