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Diffstat (limited to 'pjsip-apps/src/samples/playfile.c')
| -rw-r--r-- | pjsip-apps/src/samples/playfile.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/pjsip-apps/src/samples/playfile.c b/pjsip-apps/src/samples/playfile.c new file mode 100644 index 0000000..778b3e5 --- /dev/null +++ b/pjsip-apps/src/samples/playfile.c @@ -0,0 +1,217 @@ +/* $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; +} + |