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Diffstat (limited to 'media/libstagefright/codecs/mp3dec/src/pv_mp3_huffman.h')
-rw-r--r-- | media/libstagefright/codecs/mp3dec/src/pv_mp3_huffman.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/mp3dec/src/pv_mp3_huffman.h b/media/libstagefright/codecs/mp3dec/src/pv_mp3_huffman.h new file mode 100644 index 0000000..31102ea --- /dev/null +++ b/media/libstagefright/codecs/mp3dec/src/pv_mp3_huffman.h @@ -0,0 +1,115 @@ +/* ------------------------------------------------------------------ + * 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: pv_mp3_huffman.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ +*/ +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ + +#ifndef PV_MP3_HUFFMAN_H +#define PV_MP3_HUFFMAN_H + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_audio_type_defs.h" +#include "s_mp3bits.h" +#include "s_tmp3dec_file.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES AND SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + int32 pvmp3_huffman_parsing(int32 is[SUBBANDS_NUMBER*FILTERBANK_BANDS], + granuleInfo *grInfo, + tmp3dec_file *pVars, + int32 part2_start, + mp3Header *info); + + + void pvmp3_huffman_quad_decoding(struct huffcodetab *h, + int32 *is, + tmp3Bits *pMainData); + + void pvmp3_huffman_pair_decoding(struct huffcodetab *h, + int32 *is, + tmp3Bits *pMainData); + + + void pvmp3_huffman_pair_decoding_linbits(struct huffcodetab *h, + int32 *is, + tmp3Bits *pMainData); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + + + |