84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
/*
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* Copyright 2003-2021 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_FLAC_INPUT_HXX
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#define MPD_FLAC_INPUT_HXX
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#include <FLAC/stream_decoder.h>
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class DecoderClient;
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class InputStream;
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/**
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* This class wraps an #InputStream in libFLAC stream decoder
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* callbacks.
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*/
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class FlacInput {
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DecoderClient *const client;
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InputStream &input_stream;
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public:
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FlacInput(InputStream &_input_stream,
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DecoderClient *_client=nullptr)
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:client(_client), input_stream(_input_stream) {}
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DecoderClient *GetClient() {
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return client;
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}
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InputStream &GetInputStream() {
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return input_stream;
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}
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protected:
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FLAC__StreamDecoderReadStatus Read(FLAC__byte buffer[], size_t *bytes);
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FLAC__StreamDecoderSeekStatus Seek(FLAC__uint64 absolute_byte_offset);
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FLAC__StreamDecoderTellStatus Tell(FLAC__uint64 *absolute_byte_offset);
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FLAC__StreamDecoderLengthStatus Length(FLAC__uint64 *stream_length);
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FLAC__bool Eof();
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void Error(FLAC__StreamDecoderErrorStatus status);
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public:
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static FLAC__StreamDecoderReadStatus
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Read(const FLAC__StreamDecoder *flac_decoder,
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FLAC__byte buffer[], size_t *bytes, void *client_data);
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static FLAC__StreamDecoderSeekStatus
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Seek(const FLAC__StreamDecoder *flac_decoder,
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FLAC__uint64 absolute_byte_offset, void *client_data);
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static FLAC__StreamDecoderTellStatus
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Tell(const FLAC__StreamDecoder *flac_decoder,
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FLAC__uint64 *absolute_byte_offset, void *client_data);
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static FLAC__StreamDecoderLengthStatus
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Length(const FLAC__StreamDecoder *flac_decoder,
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FLAC__uint64 *stream_length, void *client_data);
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static FLAC__bool
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Eof(const FLAC__StreamDecoder *flac_decoder, void *client_data);
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static void
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Error(const FLAC__StreamDecoder *decoder,
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FLAC__StreamDecoderErrorStatus status, void *client_data);
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};
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#endif
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