1 /* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_ACM_SPEEX_H_ 12 #define WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_ACM_SPEEX_H_ 13 14 #include "webrtc/modules/audio_coding/main/acm2/acm_generic_codec.h" 15 16 // forward declaration 17 struct SPEEX_encinst_t_; 18 struct SPEEX_decinst_t_; 19 20 namespace webrtc { 21 22 namespace acm2 { 23 24 class ACMSPEEX : public ACMGenericCodec { 25 public: 26 explicit ACMSPEEX(int16_t codec_id); 27 ~ACMSPEEX(); 28 29 // For FEC. 30 ACMGenericCodec* CreateInstance(void); 31 32 int16_t InternalEncode(uint8_t* bitstream, int16_t* bitstream_len_byte); 33 34 int16_t InternalInitEncoder(WebRtcACMCodecParams* codec_params); 35 36 protected: 37 void DestructEncoderSafe(); 38 39 int16_t InternalCreateEncoder(); 40 41 int16_t SetBitRateSafe(const int32_t rate); 42 43 int16_t EnableDTX(); 44 45 int16_t DisableDTX(); 46 47 #ifdef UNUSEDSPEEX 48 int16_t EnableVBR(); 49 50 int16_t DisableVBR(); 51 52 int16_t SetComplMode(int16_t mode); 53 #endif 54 55 SPEEX_encinst_t_* encoder_inst_ptr_; 56 int16_t compl_mode_; 57 bool vbr_enabled_; 58 int32_t encoding_rate_; 59 int16_t sampling_frequency_; 60 uint16_t samples_in_20ms_audio_; 61 }; 62 63 } // namespace acm2 64 65 } // namespace webrtc 66 67 #endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_ACM_SPEEX_H_ 68
