| 0,0 → 1,136 |
|---|
| /* 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_STREAM_DECODER_ERROR, |
| FLAC__FILE_DECODER_ALREADY_INITIALIZED, |
| FLAC__FILE_DECODER_INVALID_CALLBACK, |
| FLAC__FILE_DECODER_UNINITIALIZED |
| } FLAC__FileDecoderState; |
| extern const char *FLAC__FileDecoderStateString[]; |
| |
| /*********************************************************************** |
| * |
| * class FLAC__FileDecoder : public FLAC__StreamDecoder |
| * |
| ***********************************************************************/ |
| |
| struct FLAC__FileDecoderProtected; |
| struct FLAC__FileDecoderPrivate; |
| typedef struct { |
| struct FLAC__FileDecoderProtected *protected; |
| struct FLAC__FileDecoderPrivate *private; |
| } FLAC__FileDecoder; |
| |
| /*********************************************************************** |
| * |
| * Class constructor/destructor |
| * |
| ***********************************************************************/ |
| |
| /* |
| * Any parameters that are not set before FLAC__file_decoder_init() |
| * will take on the defaults from the constructor, shown below. |
| * For more on what the parameters mean, see the documentation. |
| * |
| * FLAC__bool md5_checking (DEFAULT: false) MD5 checking will be turned off if a seek is requested |
| * (*write_callback)() (DEFAULT: NULL ) The callbacks are the only values that MUST be set before FLAC__file_decoder_init() |
| * (*metadata_callback)() (DEFAULT: NULL ) |
| * (*error_callback)() (DEFAULT: NULL ) |
| * void* client_data (DEFAULT: NULL ) passed back through the callbacks |
| */ |
| FLAC__FileDecoder *FLAC__file_decoder_new(); |
| void FLAC__file_decoder_delete(FLAC__FileDecoder *); |
| |
| /*********************************************************************** |
| * |
| * Public class method prototypes |
| * |
| ***********************************************************************/ |
| |
| /* |
| * Various "set" methods. These may only be called when the decoder |
| * is in the state FLAC__FILE_DECODER_UNINITIALIZED, i.e. after |
| * FLAC__file_decoder_new() or FLAC__file_decoder_finish(), but |
| * before FLAC__file_decoder_init(). If this is the case they will |
| * return true, otherwise false. |
| * |
| * NOTE that these functions do not validate the values as many are |
| * interdependent. The FLAC__file_decoder_init() function will do |
| * this, so make sure to pay attention to the state returned by |
| * FLAC__file_decoder_init(). |
| * |
| * Any parameters that are not set before FLAC__file_decoder_init() |
| * will take on the defaults from the constructor. NOTE that |
| * FLAC__file_decoder_flush() or FLAC__file_decoder_reset() do |
| * NOT reset the values to the constructor defaults. |
| */ |
| FLAC__bool FLAC__file_decoder_set_md5_checking(const FLAC__FileDecoder *decoder, FLAC__bool value); |
| FLAC__bool FLAC__file_decoder_set_filename(const FLAC__FileDecoder *decoder, const char *value); |
| FLAC__bool FLAC__file_decoder_set_write_callback(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderWriteStatus (*value)(const FLAC__FileDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 *buffer[], void *client_data)); |
| FLAC__bool FLAC__file_decoder_set_metadata_callback(const FLAC__FileDecoder *decoder, void (*value)(const FLAC__FileDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data)); |
| FLAC__bool FLAC__file_decoder_set_error_callback(const FLAC__FileDecoder *decoder, void (*value)(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)); |
| FLAC__bool FLAC__file_decoder_set_client_data(const FLAC__FileDecoder *decoder, void *value); |
| |
| /* |
| * Various "get" methods |
| */ |
| FLAC__FileDecoderState FLAC__file_decoder_get_state(const FLAC__FileDecoder *decoder); |
| FLAC__bool FLAC__file_decoder_get_md5_checking(const FLAC__FileDecoder *decoder); |
| |
| /* |
| * Initialize the instance; should be called after construction and |
| * 'set' calls but before any of the 'process' or 'seek' calls. Will |
| * set and return the decoder state, which will be FLAC__FILE_DECODER_OK |
| * if initializationsucceeded. |
| */ |
| FLAC__FileDecoderState FLAC__file_decoder_init(FLAC__FileDecoder *decoder); |
| |
| /* |
| * Flush the decoding buffer, release resources, and return the decoder |
| * state to FLAC__FILE_DECODER_UNINITIALIZED. Only returns false if |
| * md5_checking is set AND the stored MD5 sum is non-zero AND the stored |
| * MD5 sum and computed MD5 sum do not match. |
| */ |
| FLAC__bool FLAC__file_decoder_finish(FLAC__FileDecoder *decoder); |
| |
| /* |
| * Methods for decoding the data |
| */ |
| FLAC__bool FLAC__file_decoder_process_whole_file(FLAC__FileDecoder *decoder); |
| FLAC__bool FLAC__file_decoder_process_metadata(FLAC__FileDecoder *decoder); |
| FLAC__bool FLAC__file_decoder_process_one_frame(FLAC__FileDecoder *decoder); |
| FLAC__bool FLAC__file_decoder_process_remaining_frames(FLAC__FileDecoder *decoder); |
| |
| FLAC__bool FLAC__file_decoder_seek_absolute(FLAC__FileDecoder *decoder, FLAC__uint64 sample); |
| |
| #endif |