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Diffstat (limited to 'pjsip-apps/src/samples/recfile.c')
| -rw-r--r-- | pjsip-apps/src/samples/recfile.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/pjsip-apps/src/samples/recfile.c b/pjsip-apps/src/samples/recfile.c new file mode 100644 index 0000000..fedd5c6 --- /dev/null +++ b/pjsip-apps/src/samples/recfile.c @@ -0,0 +1,202 @@ +/* $Id: recfile.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 + */ + +/** + * \page page_pjmedia_samples_recfile_c Samples: Capturing Audio to WAV File + * + * In this example, we capture audio from the sound device and save it to + * WAVE file. + * + * @see page_pjmedia_samples_playfile_c + * + * This file is pjsip-apps/src/samples/recfile.c + * + * \includelineno recfile.c + */ + +#include <pjmedia.h> +#include <pjlib.h> + +#include <stdio.h> + +/* For logging purpose. */ +#define THIS_FILE "recfile.c" + + +/* Configs */ +#define CLOCK_RATE 44100 +#define NCHANNELS 2 +#define SAMPLES_PER_FRAME (NCHANNELS * (CLOCK_RATE * 10 / 1000)) +#define BITS_PER_SAMPLE 16 + + +static const char *desc = + " FILE \n" + " recfile.c \n" + " \n" + " PURPOSE: \n" + " Record microphone to WAVE file. \n" + " \n" + " USAGE: \n" + " recfile FILE.WAV \n" + ""; + + +/* Util to display the error message for the specified error code */ +static int app_perror( const char *sender, const char *title, + pj_status_t status) +{ + char errmsg[PJ_ERR_MSG_SIZE]; + + PJ_UNUSED_ARG(sender); + + pj_strerror(status, errmsg, sizeof(errmsg)); + + printf("%s: %s [code=%d]\n", title, errmsg, status); + return 1; +} + + +/* + * 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; + + + /* Verify cmd line arguments. */ + if (argc != 2) { + puts(""); + puts(desc); + return 0; + } + + /* 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 */ + "app", /* pool name. */ + 4000, /* init size */ + 4000, /* increment size */ + NULL /* callback on error */ + ); + + /* Create WAVE file writer port. */ + status = pjmedia_wav_writer_port_create( pool, argv[1], + CLOCK_RATE, + NCHANNELS, + SAMPLES_PER_FRAME, + BITS_PER_SAMPLE, + 0, 0, + &file_port); + if (status != PJ_SUCCESS) { + app_perror(THIS_FILE, "Unable to open WAV file for writing", status); + return 1; + } + + /* Create sound player port. */ + status = pjmedia_snd_port_create_rec( + 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); + + + + /* + * Recording should be started now. + */ + + + /* Sleep to allow log messages to flush */ + pj_thread_sleep(10); + + + printf("Recodring %s..\n", argv[1]); + puts(""); + puts("Press <ENTER> to stop recording and quit"); + + if (fgets(tmp, sizeof(tmp), stdin) == NULL) { + puts("EOF while reading stdin, will quit now.."); + } + + + /* Start deinitialization: */ + + /* 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; +} |