+++ /dev/null
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001,2002 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.
- */
-
-#include "FLAC/all.h"
-
-static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__FileDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 *buffer[], void *client_data);
-static void metadata_callback_(const FLAC__FileDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data);
-static void error_callback_(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
-
-FLAC__bool FLAC__utility_get_streaminfo(const char *filename, FLAC__StreamMetaData_StreamInfo *streaminfo)
-{
- FLAC__FileDecoder *decoder = FLAC__file_decoder_new();
-
- if(0 == decoder)
- return false;
-
- FLAC__file_decoder_set_md5_checking(decoder, false);
- FLAC__file_decoder_set_filename(decoder, filename);
- FLAC__file_decoder_set_write_callback(decoder, write_callback_);
- FLAC__file_decoder_set_metadata_callback(decoder, metadata_callback_);
- FLAC__file_decoder_set_error_callback(decoder, error_callback_);
- FLAC__file_decoder_set_client_data(decoder, &streaminfo);
-
- if(FLAC__file_decoder_init(decoder) != FLAC__FILE_DECODER_OK)
- return false;
-
- if(!FLAC__file_decoder_process_metadata(decoder))
- return false;
-
- if(FLAC__file_decoder_get_state(decoder) != FLAC__FILE_DECODER_UNINITIALIZED)
- FLAC__file_decoder_finish(decoder);
-
- FLAC__file_decoder_delete(decoder);
-
- return 0 != streaminfo; /* the metadata_callback_() will set streaminfo to 0 on an error */
-}
-
-FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__FileDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 *buffer[], void *client_data)
-{
- (void)decoder, (void)frame, (void)buffer, (void)client_data;
-
- return FLAC__STREAM_DECODER_WRITE_CONTINUE;
-}
-
-void metadata_callback_(const FLAC__FileDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data)
-{
- FLAC__StreamMetaData_StreamInfo **streaminfo = (FLAC__StreamMetaData_StreamInfo **)client_data;
- (void)decoder;
-
- if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO && 0 != *streaminfo)
- **streaminfo = metadata->data.stream_info;
-}
-
-void error_callback_(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
-{
- FLAC__StreamMetaData_StreamInfo **streaminfo = (FLAC__StreamMetaData_StreamInfo **)client_data;
- (void)decoder;
-
- if(status != FLAC__STREAM_DECODER_ERROR_LOST_SYNC)
- *streaminfo = 0;
-}