| /* ------------------------------------------------------------------ |
| * Copyright (C) 2008 PacketVideo |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
| * express or implied. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * ------------------------------------------------------------------- |
| */ |
| /**************************************************************************************** |
| Portions of this file are derived from the following 3GPP standard: |
| |
| 3GPP TS 26.073 |
| ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec |
| Available from http://www.3gpp.org |
| |
| (C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC) |
| Permission to distribute, modify and use this file under the standard license |
| terms listed above has been obtained from the copyright holder. |
| ****************************************************************************************/ |
| // // |
| // File: PVGSMAMRDecoder.cpp // |
| // // |
| ////////////////////////////////////////////////////////////////////////////////// |
| |
| #include "PVGSMAMRDecoder.h" |
| |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| OSCL_EXPORT_REF CPVGSMAMRDecoder::CPVGSMAMRDecoder() |
| { |
| } |
| |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| OSCL_EXPORT_REF CPVGSMAMRDecoder::~CPVGSMAMRDecoder() |
| { |
| delete iDecState; |
| iDecState = NULL; |
| } |
| |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| OSCL_EXPORT_REF int32 CPVGSMAMRDecoder::InitDecoder(void) |
| { |
| return GSMInitDecode(&iDecState, (int8*)"Decoder"); |
| } |
| |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| OSCL_EXPORT_REF int32 CPVGSMAMRDecoder::DecodeFrame(Frame_Type_3GPP aType, |
| uint8* aCompressedBlock, |
| uint8* aAudioBuffer, |
| int32 aFormat) |
| { |
| return AMRDecode(iDecState, aType, aCompressedBlock, (Word16*)aAudioBuffer, (Word16) aFormat); |
| } |
| |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| OSCL_EXPORT_REF int32 CPVGSMAMRDecoder::ResetDecoder(void) |
| { |
| return Speech_Decode_Frame_reset(iDecState); |
| } |
| |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| OSCL_EXPORT_REF void CPVGSMAMRDecoder::TerminateDecoder(void) |
| { |
| GSMDecodeFrameExit(&iDecState); |
| iDecState = NULL; |
| } |
| |