/*
* Copyright (C) 2003-2014 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_OGG_UTIL_HXX
#define MPD_OGG_UTIL_HXX
#include "check.h"
#include <ogg/ogg.h>
#include <stddef.h>
class InputStream;
struct Decoder;
/**
* Feed data from the #InputStream into the #ogg_sync_state.
*
* @return false on error or end-of-file
*/
bool
OggFeed(ogg_sync_state &oy, Decoder *decoder, InputStream &is,
size_t size);
/**
* Feed into the #ogg_sync_state until a page gets available. Garbage
* data at the beginning is considered a fatal error.
*
* @return true if a page is available
*/
bool
OggExpectPage(ogg_sync_state &oy, ogg_page &page,
Decoder *decoder, InputStream &is);
/**
* Combines OggExpectPage(), ogg_stream_init() and
* ogg_stream_pagein().
*
* @return true if the stream was initialized and the first page was
* delivered to it
*/
bool
OggExpectFirstPage(ogg_sync_state &oy, ogg_stream_state &os,
Decoder *decoder, InputStream &is);
/**
* Combines OggExpectPage() and ogg_stream_pagein().
*
* @return true if a page was delivered to the stream
*/
bool
OggExpectPageIn(ogg_sync_state &oy, ogg_stream_state &os,
Decoder *decoder, InputStream &is);
/**
* Like OggExpectPage(), but allow skipping garbage (after seeking).
*/
bool
OggExpectPageSeek(ogg_sync_state &oy, ogg_page &page,
Decoder *decoder, InputStream &is);
/**
* Combines OggExpectPageSeek() and ogg_stream_pagein().
*
* @return true if a page was delivered to the stream
*/
bool
OggExpectPageSeekIn(ogg_sync_state &oy, ogg_stream_state &os,
Decoder *decoder, InputStream &is);
#endif
