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/* $Id: playfile.c 3664 2011-07-19 03:42:28Z nanang $ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pjmedia.h>
#include <pjlib-util.h>
#include <pjlib.h>
#include <stdio.h>
#include <stdlib.h>
#include "util.h"
/**
* \page page_pjmedia_samples_playfile_c Samples: Playing WAV File to Sound Device
*
* This is a very simple example to use the @ref PJMEDIA_FILE_PLAY and
* @ref PJMED_SND_PORT. In this example, we open both the file and sound
* device, and connect the two of them, and voila! Sound will be playing
* the contents of the file.
*
* @see page_pjmedia_samples_recfile_c
*
* This file is pjsip-apps/src/samples/playfile.c
*
* \includelineno playfile.c
*/
/*
* playfile.c
*
* PURPOSE:
* Play a WAV file to sound player device.
*
* USAGE:
* playfile FILE.WAV
*
* The WAV file could have mono or stereo channels with arbitrary
* sampling rate, but MUST contain uncompressed (i.e. 16bit) PCM.
*
*/
/* For logging purpose. */
#define THIS_FILE "playfile.c"
static const char *desc =
" FILE \n"
" \n"
" playfile.c \n"
" \n"
" PURPOSE \n"
" \n"
" Demonstrate how to play a WAV file. \n"
" \n"
" USAGE \n"
" \n"
" playfile FILE.WAV \n"
" \n"
" The WAV file could have mono or stereo channels with arbitrary \n"
" sampling rate, but MUST contain uncompressed (i.e. 16bit) PCM. \n";
/*
* main()
*/
int main(int argc, char *argv[])
{
pj_caching_pool cp;
pjmedia_endpt *med_endpt;
pj_pool_t *pool;
pjmedia_port *file_port;
pjmedia_snd_port *snd_port;
char tmp[10];
pj_status_t status;
if (argc != 2) {
puts("Error: filename required");
puts(desc);
return 1;
}
/* Must init PJLIB first: */
status = pj_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Must create a pool factory before we can allocate any memory. */
pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
/*
* Initialize media endpoint.
* This will implicitly initialize PJMEDIA too.
*/
status = pjmedia_endpt_create(&cp.factory, NULL, 1, &med_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Create memory pool for our file player */
pool = pj_pool_create( &cp.factory, /* pool factory */
"wav", /* pool name. */
4000, /* init size */
4000, /* increment size */
NULL /* callback on error */
);
/* Create file media port from the WAV file */
status = pjmedia_wav_player_port_create( pool, /* memory pool */
argv[1], /* file to play */
20, /* ptime. */
0, /* flags */
0, /* default buffer */
&file_port/* returned port */
);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to use WAV file", status);
return 1;
}
/* Create sound player port. */
status = pjmedia_snd_port_create_player(
pool, /* pool */
-1, /* use default dev. */
PJMEDIA_PIA_SRATE(&file_port->info),/* clock rate. */
PJMEDIA_PIA_CCNT(&file_port->info),/* # of channels. */
PJMEDIA_PIA_SPF(&file_port->info), /* samples per frame. */
PJMEDIA_PIA_BITS(&file_port->info),/* bits per sample. */
0, /* options */
&snd_port /* returned port */
);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open sound device", status);
return 1;
}
/* Connect file port to the sound player.
* Stream playing will commence immediately.
*/
status = pjmedia_snd_port_connect( snd_port, file_port);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* File should be playing and looping now, using sound device's thread.
*/
/* Sleep to allow log messages to flush */
pj_thread_sleep(100);
printf("Playing %s..\n", argv[1]);
puts("");
puts("Press <ENTER> to stop playing and quit");
if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
puts("EOF while reading stdin, will quit now..");
}
/* Start deinitialization: */
/* Disconnect sound port from file port */
status = pjmedia_snd_port_disconnect(snd_port);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Without this sleep, Windows/DirectSound will repeteadly
* play the last frame during destroy.
*/
pj_thread_sleep(100);
/* Destroy sound device */
status = pjmedia_snd_port_destroy( snd_port );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Destroy file port */
status = pjmedia_port_destroy( file_port );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Release application pool */
pj_pool_release( pool );
/* Destroy media endpoint. */
pjmedia_endpt_destroy( med_endpt );
/* Destroy pool factory */
pj_caching_pool_destroy( &cp );
/* Shutdown PJLIB */
pj_shutdown();
/* Done. */
return 0;
}
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