diff options
Diffstat (limited to 'media/libstagefright/codecs/amrwb/src/pvamrwbdecoder.h')
| -rw-r--r-- | media/libstagefright/codecs/amrwb/src/pvamrwbdecoder.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/amrwb/src/pvamrwbdecoder.h b/media/libstagefright/codecs/amrwb/src/pvamrwbdecoder.h new file mode 100644 index 0000000..433fc92 --- /dev/null +++ b/media/libstagefright/codecs/amrwb/src/pvamrwbdecoder.h @@ -0,0 +1,158 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 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 26.173 + ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec + Available from http://www.3gpp.org + +(C) 2007, 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. +****************************************************************************************/ +/* +------------------------------------------------------------------------------ + + Name: pvamrwbdecoder.h + + Date: 05/02/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + Main header file for the Packet Video AMR Wide Band decoder library. The + constants, structures, and functions defined within this file, along with + a basic data types header file, is all that is needed to use and communicate + with the library. The internal data structures within the library are + purposely hidden. + + ---* Need description of the input buffering. *------- + + ---* Need an example of calling the library here *---- + +------------------------------------------------------------------------------ + REFERENCES + + (Normally header files do not have a reference section) + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef _PVAMRWBDECODER_H +#define _PVAMRWBDECODER_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pv_amr_wb_type_defs.h" + +#ifdef __cplusplus +extern "C" +{ +#endif + + /*---------------------------------------------------------------------------- + ; MACROS + ; Define module specific macros here + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; DEFINES + ; Include all pre-processor statements here. + ----------------------------------------------------------------------------*/ + + + + /*---------------------------------------------------------------------------- + ; EXTERNAL VARIABLES REFERENCES + ; Declare variables used in this module but defined elsewhere + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; SIMPLE TYPEDEF'S + ----------------------------------------------------------------------------*/ + +typedef struct +{ + int16 prev_ft; + int16 prev_mode; +} RX_State; + + /*---------------------------------------------------------------------------- + ; ENUMERATED TYPEDEF'S + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; STRUCTURES TYPEDEF'S + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; GLOBAL FUNCTION DEFINITIONS + ; Function Prototype declaration + ----------------------------------------------------------------------------*/ + + void pvDecoder_AmrWb_Init(void **spd_state, void *st, int16 ** ScratchMem); + + int32 pvDecoder_AmrWb( + int16 mode, /* input : used mode */ + int16 prms[], /* input : parameter vector */ + int16 synth16k[], /* output: synthesis speech */ + int16 * frame_length, /* output: lenght of the frame */ + void *spd_state, /* i/o : State structure */ + int16 frame_type, /* input : received frame type */ + int16 ScratchMem[] + ); + + void pvDecoder_AmrWb_Reset(void *st, int16 reset_all); + + int16 pvDecoder_AmrWb_homing_frame_test(int16 input_frame[], int16 mode); + + int16 pvDecoder_AmrWb_homing_frame_test_first(int16 input_frame[], int16 mode); + + int32 pvDecoder_AmrWbMemRequirements(); + + void mime_unsorting(uint8 packet[], + int16 compressed_data[], + int16 *frame_type, + int16 *mode, + uint8 q, + RX_State *st); + + + /*---------------------------------------------------------------------------- + ; END + ----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +} +#endif + + +#endif /* PVMP4AUDIODECODER_API_H */ + + |