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_AMR_H_ 12 #define WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_ACM_AMR_H_ 13 14 #include "webrtc/modules/audio_coding/main/acm2/acm_generic_codec.h" 15 16 // forward declaration 17 struct AMR_encinst_t_; 18 struct AMR_decinst_t_; 19 20 namespace webrtc { 21 22 enum ACMAMRPackingFormat; 23 24 namespace acm2 { 25 26 class ACMAMR : public ACMGenericCodec { 27 public: 28 explicit ACMAMR(int16_t codec_id); 29 ~ACMAMR(); 30 31 // for FEC 32 ACMGenericCodec* CreateInstance(void); 33 34 int16_t InternalEncode(uint8_t* bitstream, int16_t* bitstream_len_byte); 35 36 int16_t InternalInitEncoder(WebRtcACMCodecParams* codec_params); 37 38 int16_t SetAMREncoderPackingFormat(const ACMAMRPackingFormat packing_format); 39 40 ACMAMRPackingFormat AMREncoderPackingFormat() const; 41 42 int16_t SetAMRDecoderPackingFormat(const ACMAMRPackingFormat packing_format); 43 44 ACMAMRPackingFormat AMRDecoderPackingFormat() const; 45 46 protected: 47 void DestructEncoderSafe(); 48 49 int16_t InternalCreateEncoder(); 50 51 void InternalDestructEncoderInst(void* ptr_inst); 52 53 int16_t SetBitRateSafe(const int32_t rate); 54 55 int16_t EnableDTX(); 56 57 int16_t DisableDTX(); 58 59 AMR_encinst_t_* encoder_inst_ptr_; 60 int16_t encoding_mode_; 61 int16_t encoding_rate_; 62 ACMAMRPackingFormat encoder_packing_format_; 63 }; 64 65 } // namespace acm2 66 67 } // namespace webrtc 68 69 #endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_ACM_AMR_H_ 70