diff options
Diffstat (limited to 'pjsip-apps/src/samples')
-rw-r--r-- | pjsip-apps/src/samples/aectest.c | 221 | ||||
-rw-r--r-- | pjsip-apps/src/samples/debug.c | 2 |
2 files changed, 222 insertions, 1 deletions
diff --git a/pjsip-apps/src/samples/aectest.c b/pjsip-apps/src/samples/aectest.c new file mode 100644 index 00000000..a2770728 --- /dev/null +++ b/pjsip-apps/src/samples/aectest.c @@ -0,0 +1,221 @@ +/* $Id$ */ +/* + * Copyright (C) 2003-2006 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_aectest_c Samples: AEC Test (aectest.c) + * + * Play a file to speaker, run AEC, and record the microphone input + * to see if echo is coming. + * + * This file is pjsip-apps/src/samples/aectest.c + * + * \includelineno aectest.c + */ +#include <pjmedia.h> +#include <pjlib-util.h> /* pj_getopt */ +#include <pjlib.h> + +/* For logging purpose. */ +#define THIS_FILE "playfile.c" +#define PTIME 20 + +static const char *desc = +" FILE \n" +" \n" +" aectest.c \n" +" \n" +" PURPOSE \n" +" \n" +" Test the AEC effectiveness. \n" +" \n" +" USAGE \n" +" \n" +" aectest INPUT.WAV OUTPUT.WAV \n" +" \n" +" INPUT.WAV is the file to be played to the speaker. \n" +" OUTPUT.WAV is the output file containing recorded signal from the\n" +" microphone."; + + +static void app_perror(const char *sender, const char *title, pj_status_t st) +{ + char errmsg[PJ_ERR_MSG_SIZE]; + + pj_strerror(st, errmsg, sizeof(errmsg)); + PJ_LOG(3,(sender, "%s: %s", title, errmsg)); +} + + +/* + * main() + */ +int main(int argc, char *argv[]) +{ + pj_caching_pool cp; + pjmedia_endpt *med_endpt; + pj_pool_t *pool; + pjmedia_port *play_port; + pjmedia_port *rec_port; + pjmedia_port *bidir_port; + pjmedia_snd_port *snd; + char tmp[10]; + pj_status_t status; + + + if (argc != 3) { + puts("Error: arguments 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 */ + PTIME, /* ptime. */ + 0, /* flags */ + 0, /* default buffer */ + &play_port); + if (status != PJ_SUCCESS) { + app_perror(THIS_FILE, "Unable to open input WAV file", status); + return 1; + } + + if (play_port->info.channel_count != 1) { + puts("Error: input WAV must have 1 channel audio"); + return 1; + } + if (play_port->info.bits_per_sample != 16) { + puts("Error: input WAV must be encoded as 16bit PCM"); + return 1; + } + +#ifdef PJ_DARWINOS + /* Need to force clock rate on MacOS */ + if (play_port->info.clock_rate != 44100) { + pjmedia_port *resample_port; + + status = pjmedia_resample_port_create(pool, play_port, 44100, 0, + &resample_port); + if (status != PJ_SUCCESS) { + app_perror(THIS_FILE, "Unable to create resampling port", status); + return 1; + } + + data.play_port = resample_port; + } +#endif + + /* Create WAV output file port */ + status = pjmedia_wav_writer_port_create(pool, argv[2], + play_port->info.clock_rate, + play_port->info.channel_count, + play_port->info.samples_per_frame, + play_port->info.bits_per_sample, + 0, 0, &rec_port); + if (status != PJ_SUCCESS) { + app_perror(THIS_FILE, "Unable to open output file", status); + return 1; + } + + /* Create bidirectional port from the WAV ports */ + pjmedia_bidirectional_port_create(pool, play_port, rec_port, &bidir_port); + + /* Create AEC port */ + if (0) { + pjmedia_aec_port_create(pool, bidir_port, + bidir_port->info.clock_rate * 200 / 1000, + &bidir_port); + } + + /* Create sound device. */ + status = pjmedia_snd_port_create(pool, -1, -1, + play_port->info.clock_rate, + play_port->info.channel_count, + play_port->info.samples_per_frame, + play_port->info.bits_per_sample, + 0, &snd); + if (status != PJ_SUCCESS) { + app_perror(THIS_FILE, "Unable to open sound device", status); + return 1; + } + + + /* Connect sound to the port */ + pjmedia_snd_port_connect(snd, bidir_port); + + + puts(""); + printf("Playing %s and recording to %s\n", argv[1], argv[2]); + puts("Press <ENTER> to quit"); + + fgets(tmp, sizeof(tmp), stdin); + + + /* Start deinitialization: */ + + /* Destroy sound device */ + status = pjmedia_snd_port_destroy( snd ); + PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); + + + /* Destroy file port(s) */ + status = pjmedia_port_destroy( play_port ); + PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); + status = pjmedia_port_destroy( rec_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 ); + + + /* Done. */ + return 0; +} + diff --git a/pjsip-apps/src/samples/debug.c b/pjsip-apps/src/samples/debug.c index b7cc8213..ea31c9a7 100644 --- a/pjsip-apps/src/samples/debug.c +++ b/pjsip-apps/src/samples/debug.c @@ -27,5 +27,5 @@ * E.g.: * #include "playfile.c" */ -#include "pjsip-perf.c" +#include "aectest.c" |