| /* libFLAC - Free Lossless Audio Codec library |
| * Copyright (C) 2000,2001 Josh Coalson |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| #ifndef FLAC__FILE_DECODER_H |
| #define FLAC__FILE_DECODER_H |
| |
| #include "stream_decoder.h" |
| |
| typedef enum { |
| FLAC__FILE_DECODER_OK = 0, |
| FLAC__FILE_DECODER_SEEKING, |
| FLAC__FILE_DECODER_END_OF_FILE, |
| FLAC__FILE_DECODER_ERROR_OPENING_FILE, |
| FLAC__FILE_DECODER_MEMORY_ALLOCATION_ERROR, |
| FLAC__FILE_DECODER_SEEK_ERROR, |
| FLAC__FILE_DECODER_STREAM_ERROR, |
| FLAC__FILE_DECODER_MD5_ERROR, |
| FLAC__FILE_DECODER_UNINITIALIZED |
| } FLAC__FileDecoderState; |
| extern const char *FLAC__FileDecoderStateString[]; |
| |
| struct FLAC__FileDecoderPrivate; |
| typedef struct { |
| /* this field may not change once FLAC__file_decoder_init() is called */ |
| bool check_md5; /* if true, generate MD5 signature of decoded data and compare against signature in the Encoding metadata block */ |
| |
| FLAC__FileDecoderState state; /* must be FLAC__FILE_DECODER_UNINITIALIZED when passed to FLAC__file_decoder_init() */ |
| struct FLAC__FileDecoderPrivate *guts; /* must be 0 when passed to FLAC__file_decoder_init() */ |
| } FLAC__FileDecoder; |
| |
| FLAC__FileDecoder *FLAC__file_decoder_get_new_instance(); |
| void FLAC__file_decoder_free_instance(FLAC__FileDecoder *decoder); |
| FLAC__FileDecoderState FLAC__file_decoder_init( |
| FLAC__FileDecoder *decoder, |
| const char *filename, |
| FLAC__StreamDecoderWriteStatus (*write_callback)(const FLAC__FileDecoder *decoder, const FLAC__Frame *frame, const int32 *buffer[], void *client_data), |
| void (*metadata_callback)(const FLAC__FileDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data), |
| void (*error_callback)(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data), |
| void *client_data |
| ); |
| /* only returns false if check_md5 is set AND the stored MD5 sum is non-zero AND the stored MD5 sum and computed MD5 sum do not match */ |
| bool FLAC__file_decoder_finish(FLAC__FileDecoder *decoder); |
| bool FLAC__file_decoder_process_whole_file(FLAC__FileDecoder *decoder); |
| bool FLAC__file_decoder_process_metadata(FLAC__FileDecoder *decoder); |
| bool FLAC__file_decoder_process_one_frame(FLAC__FileDecoder *decoder); |
| bool FLAC__file_decoder_process_remaining_frames(FLAC__FileDecoder *decoder); |
| bool FLAC__file_decoder_seek_absolute(FLAC__FileDecoder *decoder, uint64 sample); |
| |
| #endif |