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/*
The mediastreamer library aims at providing modular media processing and I/O
for linphone, but also for any telephony application.
Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef MSRINGPLAYER_H
#define MSRINGPLAYER_H
#include "msfilter.h"
#include "mssync.h"
/*this is the class that implements file reading source filter*/
#define MS_RING_PLAYER_MAX_OUTPUTS 1 /* max output per filter*/
#define MS_RING_PLAYER_DEF_GRAN 8192 /* the default granularity*/
#define MS_RING_PLAYER_END_OF_RING_EVENT 1
struct _MSRingPlayer
{
/* the MSRingPlayer derivates from MSFilter, so the MSFilter object MUST be the first of the MSRingPlayer object
in order to the object mechanism to work*/
MSFilter filter;
MSFifo *foutputs[MS_RING_PLAYER_MAX_OUTPUTS];
MSQueue *qoutputs[MS_RING_PLAYER_MAX_OUTPUTS];\
MSSync *sync;
gint gran;
gint freq;
gint rate;
gint channel; /* number of interleaved channels */
gint silence; /* silence time between each ring, in seconds */
gint state;
gint fd; /* the file descriptor of the file being read*/
gint silence_bytes; /*silence in number of bytes between each ring */
gint current_pos;
gint need_swap;
};
typedef struct _MSRingPlayer MSRingPlayer;
struct _MSRingPlayerClass
{
/* the MSRingPlayer derivates from MSFilter, so the MSFilter class MUST be the first of the MSRingPlayer class
in order to the class mechanism to work*/
MSFilterClass parent_class;
};
typedef struct _MSRingPlayerClass MSRingPlayerClass;
/* PUBLIC */
#define MS_RING_PLAYER(filter) ((MSRingPlayer*)(filter))
#define MS_RING_PLAYER_CLASS(klass) ((MSRingPlayerClass*)(klass))
MSFilter * ms_ring_player_new(char *name, gint seconds);
gint ms_ring_player_get_sample_freq(MSRingPlayer *obj);
/* FOR INTERNAL USE*/
void ms_ring_player_init(MSRingPlayer *r);
void ms_ring_player_class_init(MSRingPlayerClass *klass);
void ms_ring_player_destroy( MSRingPlayer *obj);
void ms_ring_player_process(MSRingPlayer *r);
#define ms_ring_player_set_bufsize(filter,sz) (filter)->gran=(sz)
void ms_ring_player_setup(MSRingPlayer *r,MSSync *sync);
#endif
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