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/*************************************************************************
This file is part of tone-generator
Copyright (C) 2010 Nokia Corporation.
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
version 2.1 of the License.
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 __TONEGEND_STREAM_H__
#define __TONEGEND_STREAM_H__
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <pulse/pulseaudio.h>
#define STREAM_INDICATOR "indtone"
#define STREAM_DTMF "dtmf"
#define STREAM_NOTES "ringtone"
#define STREAM_NOTIFICATION "notiftone"
#define PROP_STREAM_RESTORE "module-stream-restore.id"
#define PROP_MEDIA_ROLE "media.role"
#define ID_KEYPRESS "x-maemo-key-pressed"
#define ID_PHONE "phone"
#define INPUT_BY_ROLE "sink-input-by-media-role"
struct ausrv;
struct stream_stat {
uint64_t firstwr; /* first writting time */
uint64_t wrtime; /* time of last writting */
uint32_t wrcnt; /* write count */
uint32_t minbuf;
uint32_t maxbuf;
uint32_t mingap;
uint32_t maxgap;
uint64_t sumgap;
uint32_t mincalc;
uint32_t maxcalc;
uint64_t sumcalc;
uint32_t cpucalc;
uint32_t underflows;
uint32_t late;
};
struct stream {
struct stream *next;
struct ausrv *ausrv;
int id; /* stream id */
char *name; /* stream name */
uint32_t rate; /* sample rate */
pa_stream *pastr; /* pulse audio stream */
uint64_t start; /* wall clock time of stream creation */
uint32_t time; /* buffer time in usecs */
uint32_t end; /* buffer timeout for the stream in usec */
int flush; /* flush on destroy */
int killed;
uint32_t bufsize; /* write-ahead-buffer size (ie. minreq) */
uint32_t bcnt; /* byte count */
uint32_t (*write)(struct stream *, int16_t *, int);
void (*destroy)(void *);
void *data; /* extension */
struct stream_stat stat; /* statistics */
struct {
int16_t *samples;
size_t buflen;
uint32_t cpu;
} buf;
};
int stream_init(int, char **);
void stream_set_default_samplerate(uint32_t);
void stream_print_statistics(int);
void stream_buffering_parameters(int, int);
struct stream *stream_create(struct ausrv *, char *, char *, uint32_t,
uint32_t (*)(struct stream *, int16_t*, int),
void (*)(void*), void *, void *);
void stream_destroy(struct stream *);
void stream_set_timeout(struct stream *, uint32_t);
void stream_kill_all(struct ausrv *);
void stream_clean_buffer(struct stream *);
struct stream *stream_find(struct ausrv *, char *);
void *stream_parse_properties(char *);
void stream_free_properties(void *);
#endif /* __TONEGEND_STREAM_H__ */
/*
* Local Variables:
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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