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/*
* Copyright 2003-2017 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_FLAC_INPUT_HXX
#define MPD_FLAC_INPUT_HXX
#include <FLAC/stream_decoder.h>
class DecoderClient;
class InputStream;
/**
* This class wraps an #InputStream in libFLAC stream decoder
* callbacks.
*/
class FlacInput {
DecoderClient *const client;
InputStream &input_stream;
public:
FlacInput(InputStream &_input_stream,
DecoderClient *_client=nullptr)
:client(_client), input_stream(_input_stream) {}
DecoderClient *GetClient() {
return client;
}
InputStream &GetInputStream() {
return input_stream;
}
protected:
FLAC__StreamDecoderReadStatus Read(FLAC__byte buffer[], size_t *bytes);
FLAC__StreamDecoderSeekStatus Seek(FLAC__uint64 absolute_byte_offset);
FLAC__StreamDecoderTellStatus Tell(FLAC__uint64 *absolute_byte_offset);
FLAC__StreamDecoderLengthStatus Length(FLAC__uint64 *stream_length);
FLAC__bool Eof();
void Error(FLAC__StreamDecoderErrorStatus status);
public:
static FLAC__StreamDecoderReadStatus
Read(const FLAC__StreamDecoder *flac_decoder,
FLAC__byte buffer[], size_t *bytes, void *client_data);
static FLAC__StreamDecoderSeekStatus
Seek(const FLAC__StreamDecoder *flac_decoder,
FLAC__uint64 absolute_byte_offset, void *client_data);
static FLAC__StreamDecoderTellStatus
Tell(const FLAC__StreamDecoder *flac_decoder,
FLAC__uint64 *absolute_byte_offset, void *client_data);
static FLAC__StreamDecoderLengthStatus
Length(const FLAC__StreamDecoder *flac_decoder,
FLAC__uint64 *stream_length, void *client_data);
static FLAC__bool
Eof(const FLAC__StreamDecoder *flac_decoder, void *client_data);
static void
Error(const FLAC__StreamDecoder *decoder,
FLAC__StreamDecoderErrorStatus status, void *client_data);
};
#endif
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