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Diffstat (limited to 'media/libstagefright/codecs/mp3dec/src/pvmp3_getbits.h')
-rw-r--r-- | media/libstagefright/codecs/mp3dec/src/pvmp3_getbits.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/mp3dec/src/pvmp3_getbits.h b/media/libstagefright/codecs/mp3dec/src/pvmp3_getbits.h new file mode 100644 index 0000000..b058b00 --- /dev/null +++ b/media/libstagefright/codecs/mp3dec/src/pvmp3_getbits.h @@ -0,0 +1,112 @@ +/* ------------------------------------------------------------------ + * 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. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_getbits.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_GETBITS_H +#define PVMP3_GETBITS_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_dec_defs.h" +#include "s_mp3bits.h" +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ +#define INBUF_ARRAY_INDEX_SHIFT (3) +#define INBUF_BIT_WIDTH (1<<(INBUF_ARRAY_INDEX_SHIFT)) +#define INBUF_BIT_MODULO_MASK ((INBUF_BIT_WIDTH)-1) + + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + uint32 getNbits(tmp3Bits *pMainData, + int32 neededBits); + + uint16 getUpTo9bits(tmp3Bits *pMainData, + int32 neededBits); + + uint32 getUpTo17bits(tmp3Bits *pMainData, + int32 neededBits); + + uint8 get1bit(tmp3Bits *pMainData); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + |