| /* ------------------------------------------------------------------ |
| * 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. |
| * ------------------------------------------------------------------- |
| */ |
| /*! \file decoder_aac.h |
| * \brief Header file for the AAC MDF wrapper |
| * |
| */ |
| |
| #ifndef __DECODER_AAC_H |
| #define __DECODER_AAC_H |
| |
| #ifndef OSCL_MEM_H_INCLUDED |
| #include "oscl_mem.h" |
| #endif |
| |
| #include "oscl_base.h" |
| #include "pvmp4audiodecoder_api.h" |
| |
| #include "e_tmp4audioobjecttype.h" |
| extern Int PVMP4SetAudioConfig(tPVMP4AudioDecoderExternal *pExt, void *pMem, Int upsamplingFactor, Int samp_rate, Int num_ch, tMP4AudioObjectType audioObjectType); |
| |
| /*! |
| * \brief number of samples per frame (decoded frames) |
| */ |
| |
| #define KAAC_NUM_SAMPLES_PER_FRAME 1024 |
| #define KAAC_MAX_STREAMING_BUFFER_SIZE (PVMP4AUDIODECODER_INBUFSIZE * 1) |
| |
| #define KCAI_CODEC_NO_MEMORY -1 |
| #define KCAI_CODEC_INIT_FAILURE -2 |
| |
| |
| |
| /*! |
| * \class CDecoder_AAC "include/decoder_aac.h" |
| * \brief AAC Decoder class |
| */ |
| |
| |
| // CDecoder_AAC |
| class CDecoder_AAC |
| { |
| public: |
| OSCL_IMPORT_REF void ConstructL(); |
| OSCL_IMPORT_REF static CDecoder_AAC *NewL(); |
| OSCL_IMPORT_REF ~CDecoder_AAC(); |
| |
| OSCL_IMPORT_REF int32 StartL(tPVMP4AudioDecoderExternal * pExt, |
| uint8 num_channels, |
| bool aAllocateInputBuffer = false, |
| bool aAllocateOutputBuffer = false, |
| Int upsamplingFactor = 1, |
| Int samp_rate = 44100, |
| tMP4AudioObjectType audioObjectType = MP4AUDIO_AAC_LC |
| ); |
| |
| OSCL_IMPORT_REF int32 StartL(tPVMP4AudioDecoderExternal * pExt, |
| uint8 num_channels, |
| bool aAllocateInputBuffer = false, |
| bool aAllocateOutputBuffer = false, |
| bool aAacplusEnabler = true |
| ); |
| OSCL_IMPORT_REF int32 ExecuteL(tPVMP4AudioDecoderExternal * pExt); |
| OSCL_IMPORT_REF void ResetDecoderL(void); |
| OSCL_IMPORT_REF void StopL(void); |
| |
| OSCL_IMPORT_REF void TerminateDecoderL(); |
| OSCL_IMPORT_REF int32 RetrieveDecodedStreamTypeL(tPVMP4AudioDecoderExternal * pExt); |
| |
| OSCL_IMPORT_REF void DisableSbrDecodingL(tPVMP4AudioDecoderExternal * pExt); |
| |
| private: |
| // number of samples per frame per channel (decoded) |
| uint32 iNumSamplesPerFrame; |
| bool iFirstFrame; |
| uint8 *pMem; |
| |
| bool iAllocateInputBuffer; |
| bool iAllocateOutputBuffer; |
| |
| uint8* iInputBuf; |
| int16* iOutputBuf; |
| }; |
| |
| |
| #endif |
| |