// helper for creating call-recorder
static void create_recorder(pjsua_call_info ci)
{
// specify target file
pj_str_t rec_file = pj_str(app_cfg.record_file);
pj_status_t status = PJ_ENOTFOUND;
log_message("Creating recorder ... ");
// Create recorder for call
status = pjsua_recorder_create(&rec_file, 0, NULL, 0, 0, &rec_id);
if (status != PJ_SUCCESS) error_exit("Error recording answer", status);
// connect active call to call recorder
pjsua_conf_port_id rec_port = pjsua_recorder_get_conf_port(rec_id);
pjsua_conf_connect(ci.conf_slot, rec_port);
log_message("Done.\n");
}
static void systest_aec_test(void)
{
const char *ref_wav_paths[] = { add_path(res_path, WAV_PLAYBACK_PATH),
ALT_PATH1 WAV_PLAYBACK_PATH };
pjsua_player_id player_id = PJSUA_INVALID_ID;
pjsua_recorder_id writer_id = PJSUA_INVALID_ID;
enum gui_key key;
test_item_t *ti;
const char *title = "AEC/AES Test";
unsigned last_ec_tail = 0;
pj_status_t status;
pj_str_t tmp;
ti = systest_alloc_test_item(title);
if (!ti)
return;
key = gui_msgbox(title,
"This test will try to find whether the AEC/AES "
"works good on this system. Test will play a file "
"while recording from mic. The recording will be "
"played back later so you can check if echo is there. "
"Press OK to start.",
WITH_OKCANCEL);
if (key != KEY_OK) {
ti->skipped = PJ_TRUE;
return;
}
/* Save current EC tail */
status = pjsua_get_ec_tail(&last_ec_tail);
if (status != PJ_SUCCESS)
goto on_return;
/* Set EC tail setting to default */
status = pjsua_set_ec(PJSUA_DEFAULT_EC_TAIL_LEN, 0);
if (status != PJ_SUCCESS)
goto on_return;
/*
* Create player and recorder
*/
status = create_player(PJ_ARRAY_SIZE(ref_wav_paths), ref_wav_paths,
&player_id);
if (status != PJ_SUCCESS) {
PJ_PERROR(1,(THIS_FILE, status, "Error opening WAV file %s",
WAV_PLAYBACK_PATH));
goto on_return;
}
status = pjsua_recorder_create(
pj_cstr(&tmp, add_path(doc_path, AEC_REC_PATH)), 0, 0, -1,
0, &writer_id);
if (status != PJ_SUCCESS) {
PJ_PERROR(1,(THIS_FILE, status, "Error writing WAV file %s",
AEC_REC_PATH));
goto on_return;
}
/*
* Start playback and recording.
*/
pjsua_conf_connect(pjsua_player_get_conf_port(player_id), 0);
pj_thread_sleep(100);
pjsua_conf_connect(0, pjsua_recorder_get_conf_port(writer_id));
/* Wait user signal */
gui_msgbox(title, "AEC/AES test is running. Press OK to stop this test.",
WITH_OK);
/*
* Stop and close playback and recorder
*/
pjsua_conf_disconnect(0, pjsua_recorder_get_conf_port(writer_id));
pjsua_conf_disconnect(pjsua_player_get_conf_port(player_id), 0);
pjsua_recorder_destroy(writer_id);
pjsua_player_destroy(player_id);
player_id = PJSUA_INVALID_ID;
writer_id = PJSUA_INVALID_ID;
/*
* Play the result.
*/
status = pjsua_player_create(
pj_cstr(&tmp, add_path(doc_path, AEC_REC_PATH)),
0, &player_id);
if (status != PJ_SUCCESS) {
PJ_PERROR(1,(THIS_FILE, status, "Error opening WAV file %s", AEC_REC_PATH));
goto on_return;
}
pjsua_conf_connect(pjsua_player_get_conf_port(player_id), 0);
/* Wait user signal */
gui_msgbox(title, "We are now playing the captured audio from the mic. "
"Check if echo (of the audio played back previously) is "
"present in the audio. The recording is stored in "
AEC_REC_PATH " for offline analysis. "
"Press OK to stop.",
WITH_OK);
pjsua_conf_disconnect(pjsua_player_get_conf_port(player_id), 0);
key = gui_msgbox(title,
"Did you notice any echo in the recording?",
WITH_YESNO);
on_return:
if (player_id != PJSUA_INVALID_ID)
pjsua_player_destroy(player_id);
if (writer_id != PJSUA_INVALID_ID)
pjsua_recorder_destroy(writer_id);
/* Wait until sound device closed before restoring back EC tail setting */
while (pjsua_snd_is_active())
pj_thread_sleep(10);
pjsua_set_ec(last_ec_tail, 0);
if (status != PJ_SUCCESS) {
systest_perror("Sorry we encountered an error: ", status);
ti->success = PJ_FALSE;
pj_strerror(status, ti->reason, sizeof(ti->reason));
} else if (key == KEY_YES) {
ti->success = PJ_FALSE;
if (!ti->success) {
pj_ansi_strcpy(ti->reason, USER_ERROR);
}
} else {
char msg[200];
pj_ansi_snprintf(msg, sizeof(msg), "Test succeeded.\r\n");
ti->success = PJ_TRUE;
pj_ansi_strncpy(ti->reason, msg, sizeof(ti->reason));
ti->reason[sizeof(ti->reason)-1] = '\0';
}
}
static void systest_latency_test(void)
{
const char *ref_wav_paths[] = { add_path(res_path, WAV_TOCK8_PATH), ALT_PATH1 WAV_TOCK8_PATH };
pj_str_t rec_wav_file;
pjsua_player_id play_id = PJSUA_INVALID_ID;
pjsua_conf_port_id play_slot = PJSUA_INVALID_ID;
pjsua_recorder_id rec_id = PJSUA_INVALID_ID;
pjsua_conf_port_id rec_slot = PJSUA_INVALID_ID;
pj_pool_t *pool = NULL;
pjmedia_port *wav_port = NULL;
unsigned lat_sum=0, lat_cnt=0, lat_min=0, lat_max=0;
enum gui_key key;
test_item_t *ti;
const char *title = "Audio Latency Test";
pj_status_t status;
ti = systest_alloc_test_item(title);
if (!ti)
return;
key = gui_msgbox(title,
"This test will try to find the audio device's "
"latency. We will play a special WAV file to the "
"speaker for ten seconds, then at the end "
"calculate the latency. Please don't do anything "
"until the test is done.", WITH_OKCANCEL);
if (key != KEY_OK) {
ti->skipped = PJ_TRUE;
return;
}
key = gui_msgbox(title,
"For this test to work, we must be able to capture "
"the audio played in the speaker (the echo), and only"
" that audio (i.e. you must be in relatively quiet "
"place to run this test). "
"Press OK to start, or CANCEL to skip.",
WITH_OKCANCEL);
if (key != KEY_OK) {
ti->skipped = PJ_TRUE;
return;
}
PJ_LOG(3,(THIS_FILE, "Running %s", title));
status = create_player(PJ_ARRAY_SIZE(ref_wav_paths), ref_wav_paths,
&play_id);
if (status != PJ_SUCCESS)
goto on_return;
play_slot = pjsua_player_get_conf_port(play_id);
rec_wav_file = pj_str(add_path(doc_path, WAV_LATENCY_OUT_PATH));
status = pjsua_recorder_create(&rec_wav_file, 0, NULL, -1, 0, &rec_id);
if (status != PJ_SUCCESS)
goto on_return;
rec_slot = pjsua_recorder_get_conf_port(rec_id);
/* Setup the test */
//status = pjsua_conf_connect(0, 0);
status = pjsua_conf_connect(play_slot, 0);
status = pjsua_conf_connect(0, rec_slot);
status = pjsua_conf_connect(play_slot, rec_slot);
/* We're running */
PJ_LOG(3,(THIS_FILE, "Please wait while test is running (~10 sec)"));
gui_sleep(10);
/* Done with the test */
//status = pjsua_conf_disconnect(0, 0);
status = pjsua_conf_disconnect(play_slot, rec_slot);
status = pjsua_conf_disconnect(0, rec_slot);
status = pjsua_conf_disconnect(play_slot, 0);
pjsua_recorder_destroy(rec_id);
rec_id = PJSUA_INVALID_ID;
pjsua_player_destroy(play_id);
play_id = PJSUA_INVALID_ID;
/* Confirm that echo is heard */
gui_msgbox(title,
"Test is done. Now we need to confirm that we indeed "
"captured the echo. We will play the captured audio "
"and please confirm that you can hear the 'tock' echo.",
WITH_OK);
status = pjsua_player_create(&rec_wav_file, 0, &play_id);
if (status != PJ_SUCCESS)
goto on_return;
play_slot = pjsua_player_get_conf_port(play_id);
status = pjsua_conf_connect(play_slot, 0);
if (status != PJ_SUCCESS)
goto on_return;
key = gui_msgbox(title,
"The captured audio is being played back now. "
"Can you hear the 'tock' echo?",
WITH_YESNO);
pjsua_player_destroy(play_id);
play_id = PJSUA_INVALID_ID;
if (key != KEY_YES)
goto on_return;
/* Now analyze the latency */
pool = pjsua_pool_create("latency", 512, 512);
status = pjmedia_wav_player_port_create(pool, rec_wav_file.ptr, 0, 0, 0, &wav_port);
if (status != PJ_SUCCESS)
goto on_return;
status = calculate_latency(pool, wav_port, &lat_sum, &lat_cnt,
&lat_min, &lat_max);
if (status != PJ_SUCCESS)
goto on_return;
on_return:
if (wav_port)
pjmedia_port_destroy(wav_port);
if (pool)
pj_pool_release(pool);
if (play_id != PJSUA_INVALID_ID)
pjsua_player_destroy(play_id);
if (rec_id != PJSUA_INVALID_ID)
pjsua_recorder_destroy(rec_id);
if (status != PJ_SUCCESS) {
systest_perror("Sorry we encountered an error: ", status);
ti->success = PJ_FALSE;
pj_strerror(status, ti->reason, sizeof(ti->reason));
} else if (key != KEY_YES) {
ti->success = PJ_FALSE;
if (!ti->success) {
pj_ansi_strcpy(ti->reason, USER_ERROR);
}
} else {
char msg[200];
pj_size_t msglen;
pj_ansi_snprintf(msg, sizeof(msg),
"The sound device latency:\r\n"
" Min=%u, Max=%u, Avg=%u\r\n",
lat_min, lat_max, lat_sum/lat_cnt);
msglen = strlen(msg);
if (lat_sum/lat_cnt > 500) {
pj_ansi_snprintf(msg+msglen, sizeof(msg)-msglen,
"The latency is huge!\r\n");
msglen = strlen(msg);
} else if (lat_sum/lat_cnt > 200) {
pj_ansi_snprintf(msg+msglen, sizeof(msg)-msglen,
"The latency is quite high\r\n");
msglen = strlen(msg);
}
key = gui_msgbox(title, msg, WITH_OK);
ti->success = PJ_TRUE;
pj_ansi_strncpy(ti->reason, msg, sizeof(ti->reason));
ti->reason[sizeof(ti->reason)-1] = '\0';
}
}
/*****************************************************************************
* test: record audio
*/
static void systest_rec_audio(void)
{
const pj_str_t filename = pj_str(add_path(doc_path, WAV_REC_OUT_PATH));
pj_pool_t *pool = NULL;
enum gui_key key;
pjsua_recorder_id rec_id = PJSUA_INVALID_ID;
pjsua_player_id play_id = PJSUA_INVALID_ID;
pjsua_conf_port_id rec_slot = PJSUA_INVALID_ID;
pjsua_conf_port_id play_slot = PJSUA_INVALID_ID;
pj_status_t status = PJ_SUCCESS;
const char *title = "Audio Recording";
test_item_t *ti;
ti = systest_alloc_test_item(title);
if (!ti)
return;
key = gui_msgbox(title,
"This test will allow you to record audio "
"from the microphone, and playback the "
"audio to the speaker. Press OK to start recording, "
"CANCEL to skip.",
WITH_OKCANCEL);
if (key != KEY_OK) {
ti->skipped = PJ_TRUE;
return;
}
PJ_LOG(3,(THIS_FILE, "Running %s", title));
pool = pjsua_pool_create("rectest", 512, 512);
status = pjsua_recorder_create(&filename, 0, NULL, -1, 0, &rec_id);
if (status != PJ_SUCCESS)
goto on_return;
rec_slot = pjsua_recorder_get_conf_port(rec_id);
status = pjsua_conf_connect(0, rec_slot);
if (status != PJ_SUCCESS)
goto on_return;
key = gui_msgbox(title,
"Recording is in progress now, please say "
"something in the microphone. Press OK "
"to stop recording", WITH_OK);
pjsua_conf_disconnect(0, rec_slot);
rec_slot = PJSUA_INVALID_ID;
pjsua_recorder_destroy(rec_id);
rec_id = PJSUA_INVALID_ID;
status = pjsua_player_create(&filename, 0, &play_id);
if (status != PJ_SUCCESS)
goto on_return;
play_slot = pjsua_player_get_conf_port(play_id);
status = pjsua_conf_connect(play_slot, 0);
if (status != PJ_SUCCESS)
goto on_return;
key = gui_msgbox(title,
"Recording has been stopped. "
"The recorded audio is being played now to "
"the speaker device, in a loop. Listen for "
"any audio impairments. Press OK to stop.",
WITH_OK);
on_return:
if (rec_slot != PJSUA_INVALID_ID)
pjsua_conf_disconnect(0, rec_slot);
if (rec_id != PJSUA_INVALID_ID)
pjsua_recorder_destroy(rec_id);
if (play_slot != PJSUA_INVALID_ID)
pjsua_conf_disconnect(play_slot, 0);
if (play_id != PJSUA_INVALID_ID)
pjsua_player_destroy(play_id);
if (pool)
pj_pool_release(pool);
if (status != PJ_SUCCESS) {
systest_perror("Sorry we encountered an error: ", status);
ti->success = PJ_FALSE;
pj_strerror(status, ti->reason, sizeof(ti->reason));
} else {
key = gui_msgbox(title, "Is the audio okay?", WITH_YESNO);
ti->success = (key == KEY_YES);
if (!ti->success) {
pj_ansi_snprintf(textbuf, sizeof(textbuf),
"You will probably need to copy the recorded "
"WAV file %s to a desktop computer and analyze "
"it, to find out whether it's a recording "
"or playback problem.",
WAV_REC_OUT_PATH);
gui_msgbox(title, textbuf, WITH_OK);
pj_ansi_strcpy(ti->reason, USER_ERROR);
}
}
}