| /* $Id: auddemo.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-audiodev/audiodev.h> |
| #include <pjmedia-audiodev/audiotest.h> |
| #include <pjmedia.h> |
| #include <pjlib.h> |
| #include <pjlib-util.h> |
| |
| #define THIS_FILE "auddemo.c" |
| #define MAX_DEVICES 64 |
| #define WAV_FILE "auddemo.wav" |
| |
| |
| static unsigned dev_count; |
| static unsigned playback_lat = PJMEDIA_SND_DEFAULT_PLAY_LATENCY; |
| static unsigned capture_lat = PJMEDIA_SND_DEFAULT_REC_LATENCY; |
| |
| static void app_perror(const char *title, pj_status_t status) |
| { |
| char errmsg[PJ_ERR_MSG_SIZE]; |
| |
| pj_strerror(status, errmsg, sizeof(errmsg)); |
| printf( "%s: %s (err=%d)\n", |
| title, errmsg, status); |
| } |
| |
| static void list_devices(void) |
| { |
| unsigned i; |
| pj_status_t status; |
| |
| dev_count = pjmedia_aud_dev_count(); |
| if (dev_count == 0) { |
| PJ_LOG(3,(THIS_FILE, "No devices found")); |
| return; |
| } |
| |
| PJ_LOG(3,(THIS_FILE, "Found %d devices:", dev_count)); |
| |
| for (i=0; i<dev_count; ++i) { |
| pjmedia_aud_dev_info info; |
| |
| status = pjmedia_aud_dev_get_info(i, &info); |
| if (status != PJ_SUCCESS) |
| continue; |
| |
| PJ_LOG(3,(THIS_FILE," %2d: %s [%s] (%d/%d)", |
| i, info.driver, info.name, info.input_count, info.output_count)); |
| } |
| } |
| |
| static const char *decode_caps(unsigned caps) |
| { |
| static char text[200]; |
| unsigned i; |
| |
| text[0] = '\0'; |
| |
| for (i=0; i<31; ++i) { |
| if ((1 << i) & caps) { |
| const char *capname; |
| capname = pjmedia_aud_dev_cap_name((pjmedia_aud_dev_cap)(1 << i), |
| NULL); |
| strcat(text, capname); |
| strcat(text, " "); |
| } |
| } |
| |
| return text; |
| } |
| |
| static void show_dev_info(unsigned index) |
| { |
| #define H "%-20s" |
| pjmedia_aud_dev_info info; |
| char formats[200]; |
| pj_status_t status; |
| |
| if (index >= dev_count) { |
| PJ_LOG(1,(THIS_FILE, "Error: invalid index %u", index)); |
| return; |
| } |
| |
| status = pjmedia_aud_dev_get_info(index, &info); |
| if (status != PJ_SUCCESS) { |
| app_perror("pjmedia_aud_dev_get_info() error", status); |
| return; |
| } |
| |
| PJ_LOG(3, (THIS_FILE, "Device at index %u:", index)); |
| PJ_LOG(3, (THIS_FILE, "-------------------------")); |
| |
| PJ_LOG(3, (THIS_FILE, H": %u (0x%x)", "ID", index, index)); |
| PJ_LOG(3, (THIS_FILE, H": %s", "Name", info.name)); |
| PJ_LOG(3, (THIS_FILE, H": %s", "Driver", info.driver)); |
| PJ_LOG(3, (THIS_FILE, H": %u", "Input channels", info.input_count)); |
| PJ_LOG(3, (THIS_FILE, H": %u", "Output channels", info.output_count)); |
| PJ_LOG(3, (THIS_FILE, H": %s", "Capabilities", decode_caps(info.caps))); |
| |
| formats[0] = '\0'; |
| if (info.caps & PJMEDIA_AUD_DEV_CAP_EXT_FORMAT) { |
| unsigned i; |
| |
| for (i=0; i<info.ext_fmt_cnt; ++i) { |
| char bitrate[32]; |
| |
| switch (info.ext_fmt[i].id) { |
| case PJMEDIA_FORMAT_L16: |
| strcat(formats, "L16/"); |
| break; |
| case PJMEDIA_FORMAT_PCMA: |
| strcat(formats, "PCMA/"); |
| break; |
| case PJMEDIA_FORMAT_PCMU: |
| strcat(formats, "PCMU/"); |
| break; |
| case PJMEDIA_FORMAT_AMR: |
| strcat(formats, "AMR/"); |
| break; |
| case PJMEDIA_FORMAT_G729: |
| strcat(formats, "G729/"); |
| break; |
| case PJMEDIA_FORMAT_ILBC: |
| strcat(formats, "ILBC/"); |
| break; |
| default: |
| strcat(formats, "unknown/"); |
| break; |
| } |
| sprintf(bitrate, "%u", info.ext_fmt[i].det.aud.avg_bps); |
| strcat(formats, bitrate); |
| strcat(formats, " "); |
| } |
| } |
| PJ_LOG(3, (THIS_FILE, H": %s", "Extended formats", formats)); |
| |
| #undef H |
| } |
| |
| static void test_device(pjmedia_dir dir, unsigned rec_id, unsigned play_id, |
| unsigned clock_rate, unsigned ptime, |
| unsigned chnum) |
| { |
| pjmedia_aud_param param; |
| pjmedia_aud_test_results result; |
| pj_status_t status; |
| |
| if (dir & PJMEDIA_DIR_CAPTURE) { |
| status = pjmedia_aud_dev_default_param(rec_id, ¶m); |
| } else { |
| status = pjmedia_aud_dev_default_param(play_id, ¶m); |
| } |
| |
| if (status != PJ_SUCCESS) { |
| app_perror("pjmedia_aud_dev_default_param()", status); |
| return; |
| } |
| |
| param.dir = dir; |
| param.rec_id = rec_id; |
| param.play_id = play_id; |
| param.clock_rate = clock_rate; |
| param.channel_count = chnum; |
| param.samples_per_frame = clock_rate * chnum * ptime / 1000; |
| |
| /* Latency settings */ |
| param.flags |= (PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY | |
| PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY); |
| param.input_latency_ms = capture_lat; |
| param.output_latency_ms = playback_lat; |
| |
| PJ_LOG(3,(THIS_FILE, "Performing test..")); |
| |
| status = pjmedia_aud_test(¶m, &result); |
| if (status != PJ_SUCCESS) { |
| app_perror("Test has completed with error", status); |
| return; |
| } |
| |
| PJ_LOG(3,(THIS_FILE, "Done. Result:")); |
| |
| if (dir & PJMEDIA_DIR_CAPTURE) { |
| if (result.rec.frame_cnt==0) { |
| PJ_LOG(1,(THIS_FILE, "Error: no frames captured!")); |
| } else { |
| PJ_LOG(3,(THIS_FILE, " %-20s: interval (min/max/avg/dev)=%u/%u/%u/%u, burst=%u", |
| "Recording result", |
| result.rec.min_interval, |
| result.rec.max_interval, |
| result.rec.avg_interval, |
| result.rec.dev_interval, |
| result.rec.max_burst)); |
| } |
| } |
| |
| if (dir & PJMEDIA_DIR_PLAYBACK) { |
| if (result.play.frame_cnt==0) { |
| PJ_LOG(1,(THIS_FILE, "Error: no playback!")); |
| } else { |
| PJ_LOG(3,(THIS_FILE, " %-20s: interval (min/max/avg/dev)=%u/%u/%u/%u, burst=%u", |
| "Playback result", |
| result.play.min_interval, |
| result.play.max_interval, |
| result.play.avg_interval, |
| result.play.dev_interval, |
| result.play.max_burst)); |
| } |
| } |
| |
| if (dir==PJMEDIA_DIR_CAPTURE_PLAYBACK) { |
| if (result.rec_drift_per_sec == 0) { |
| PJ_LOG(3,(THIS_FILE, " No clock drift detected")); |
| } else { |
| const char *which = result.rec_drift_per_sec>=0 ? "faster" : "slower"; |
| unsigned drift = result.rec_drift_per_sec>=0 ? |
| result.rec_drift_per_sec : |
| -result.rec_drift_per_sec; |
| |
| PJ_LOG(3,(THIS_FILE, " Clock drifts detected. Capture device " |
| "is running %d samples per second %s " |
| "than the playback device", |
| drift, which)); |
| } |
| } |
| } |
| |
| |
| static pj_status_t wav_rec_cb(void *user_data, pjmedia_frame *frame) |
| { |
| return pjmedia_port_put_frame((pjmedia_port*)user_data, frame); |
| } |
| |
| static void record(unsigned rec_index, const char *filename) |
| { |
| pj_pool_t *pool = NULL; |
| pjmedia_port *wav = NULL; |
| pjmedia_aud_param param; |
| pjmedia_aud_stream *strm = NULL; |
| char line[10], *dummy; |
| pj_status_t status; |
| |
| if (filename == NULL) |
| filename = WAV_FILE; |
| |
| pool = pj_pool_create(pjmedia_aud_subsys_get_pool_factory(), "wav", |
| 1000, 1000, NULL); |
| |
| status = pjmedia_wav_writer_port_create(pool, filename, 16000, |
| 1, 320, 16, 0, 0, &wav); |
| if (status != PJ_SUCCESS) { |
| app_perror("Error creating WAV file", status); |
| goto on_return; |
| } |
| |
| status = pjmedia_aud_dev_default_param(rec_index, ¶m); |
| if (status != PJ_SUCCESS) { |
| app_perror("pjmedia_aud_dev_default_param()", status); |
| goto on_return; |
| } |
| |
| param.dir = PJMEDIA_DIR_CAPTURE; |
| param.clock_rate = PJMEDIA_PIA_SRATE(&wav->info); |
| param.samples_per_frame = PJMEDIA_PIA_SPF(&wav->info); |
| param.channel_count = PJMEDIA_PIA_CCNT(&wav->info); |
| param.bits_per_sample = PJMEDIA_PIA_BITS(&wav->info); |
| |
| status = pjmedia_aud_stream_create(¶m, &wav_rec_cb, NULL, wav, |
| &strm); |
| if (status != PJ_SUCCESS) { |
| app_perror("Error opening the sound device", status); |
| goto on_return; |
| } |
| |
| status = pjmedia_aud_stream_start(strm); |
| if (status != PJ_SUCCESS) { |
| app_perror("Error starting the sound device", status); |
| goto on_return; |
| } |
| |
| PJ_LOG(3,(THIS_FILE, "Recording started, press ENTER to stop")); |
| dummy = fgets(line, sizeof(line), stdin); |
| |
| on_return: |
| if (strm) { |
| pjmedia_aud_stream_stop(strm); |
| pjmedia_aud_stream_destroy(strm); |
| } |
| if (wav) |
| pjmedia_port_destroy(wav); |
| if (pool) |
| pj_pool_release(pool); |
| } |
| |
| |
| static pj_status_t wav_play_cb(void *user_data, pjmedia_frame *frame) |
| { |
| return pjmedia_port_get_frame((pjmedia_port*)user_data, frame); |
| } |
| |
| |
| static void play_file(unsigned play_index, const char *filename) |
| { |
| pj_pool_t *pool = NULL; |
| pjmedia_port *wav = NULL; |
| pjmedia_aud_param param; |
| pjmedia_aud_stream *strm = NULL; |
| char line[10], *dummy; |
| pj_status_t status; |
| |
| if (filename == NULL) |
| filename = WAV_FILE; |
| |
| pool = pj_pool_create(pjmedia_aud_subsys_get_pool_factory(), "wav", |
| 1000, 1000, NULL); |
| |
| status = pjmedia_wav_player_port_create(pool, filename, 20, 0, 0, &wav); |
| if (status != PJ_SUCCESS) { |
| app_perror("Error opening WAV file", status); |
| goto on_return; |
| } |
| |
| status = pjmedia_aud_dev_default_param(play_index, ¶m); |
| if (status != PJ_SUCCESS) { |
| app_perror("pjmedia_aud_dev_default_param()", status); |
| goto on_return; |
| } |
| |
| param.dir = PJMEDIA_DIR_PLAYBACK; |
| param.clock_rate = PJMEDIA_PIA_SRATE(&wav->info); |
| param.samples_per_frame = PJMEDIA_PIA_SPF(&wav->info); |
| param.channel_count = PJMEDIA_PIA_CCNT(&wav->info); |
| param.bits_per_sample = PJMEDIA_PIA_BITS(&wav->info); |
| |
| status = pjmedia_aud_stream_create(¶m, NULL, &wav_play_cb, wav, |
| &strm); |
| if (status != PJ_SUCCESS) { |
| app_perror("Error opening the sound device", status); |
| goto on_return; |
| } |
| |
| status = pjmedia_aud_stream_start(strm); |
| if (status != PJ_SUCCESS) { |
| app_perror("Error starting the sound device", status); |
| goto on_return; |
| } |
| |
| PJ_LOG(3,(THIS_FILE, "Playback started, press ENTER to stop")); |
| dummy = fgets(line, sizeof(line), stdin); |
| |
| on_return: |
| if (strm) { |
| pjmedia_aud_stream_stop(strm); |
| pjmedia_aud_stream_destroy(strm); |
| } |
| if (wav) |
| pjmedia_port_destroy(wav); |
| if (pool) |
| pj_pool_release(pool); |
| } |
| |
| |
| static void print_menu(void) |
| { |
| puts(""); |
| puts("Audio demo menu:"); |
| puts("-------------------------------"); |
| puts(" l List devices"); |
| puts(" R Refresh devices"); |
| puts(" i ID Show device info for device ID"); |
| puts(" t RID PID CR PTIM [CH] Perform test on the device:"); |
| puts(" RID: record device ID (-1 for no)"); |
| puts(" PID: playback device ID (-1 for no)"); |
| puts(" CR: clock rate"); |
| puts(" PTIM: ptime in ms"); |
| puts(" CH: # of channels"); |
| puts(" r RID [FILE] Record capture device RID to WAV file"); |
| puts(" p PID [FILE] Playback WAV file to device ID PID"); |
| puts(" d [RLAT PLAT] Get/set sound device latencies (in ms):"); |
| puts(" Specify no param to get current latencies setting"); |
| puts(" RLAT: record latency (-1 for default)"); |
| puts(" PLAT: playback latency (-1 for default)"); |
| puts(" v Toggle log verbosity"); |
| puts(" q Quit"); |
| puts(""); |
| printf("Enter selection: "); |
| fflush(stdout); |
| } |
| |
| int main() |
| { |
| pj_caching_pool cp; |
| pj_bool_t done = PJ_FALSE; |
| pj_status_t status; |
| |
| /* Init pjlib */ |
| status = pj_init(); |
| PJ_ASSERT_RETURN(status==PJ_SUCCESS, 1); |
| |
| pj_log_set_decor(PJ_LOG_HAS_NEWLINE); |
| |
| /* Must create a pool factory before we can allocate any memory. */ |
| pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0); |
| |
| status = pjmedia_aud_subsys_init(&cp.factory); |
| if (status != PJ_SUCCESS) { |
| app_perror("pjmedia_aud_subsys_init()", status); |
| pj_caching_pool_destroy(&cp); |
| pj_shutdown(); |
| return 1; |
| } |
| |
| list_devices(); |
| |
| while (!done) { |
| char line[80]; |
| |
| print_menu(); |
| |
| if (fgets(line, sizeof(line), stdin)==NULL) |
| break; |
| |
| switch (line[0]) { |
| case 'l': |
| list_devices(); |
| break; |
| |
| case 'R': |
| pjmedia_aud_dev_refresh(); |
| puts("Audio device list refreshed."); |
| break; |
| |
| case 'i': |
| { |
| unsigned dev_index; |
| if (sscanf(line+2, "%u", &dev_index) != 1) { |
| puts("error: device ID required"); |
| break; |
| } |
| show_dev_info(dev_index); |
| } |
| break; |
| |
| case 't': |
| { |
| pjmedia_dir dir; |
| int rec_id, play_id; |
| unsigned clock_rate, ptime, chnum; |
| int cnt; |
| |
| cnt = sscanf(line+2, "%d %d %u %u %u", &rec_id, &play_id, |
| &clock_rate, &ptime, &chnum); |
| if (cnt < 4) { |
| puts("error: not enough parameters"); |
| break; |
| } |
| if (clock_rate < 8000 || clock_rate > 128000) { |
| puts("error: invalid clock rate"); |
| break; |
| } |
| if (ptime < 10 || ptime > 500) { |
| puts("error: invalid ptime"); |
| break; |
| } |
| if (cnt==5) { |
| if (chnum < 1 || chnum > 4) { |
| puts("error: invalid number of channels"); |
| break; |
| } |
| } else { |
| chnum = 1; |
| } |
| |
| if (rec_id >= 0 && rec_id < (int)dev_count) { |
| if (play_id >= 0 && play_id < (int)dev_count) |
| dir = PJMEDIA_DIR_CAPTURE_PLAYBACK; |
| else |
| dir = PJMEDIA_DIR_CAPTURE; |
| } else if (play_id >= 0 && play_id < (int)dev_count) { |
| dir = PJMEDIA_DIR_PLAYBACK; |
| } else { |
| puts("error: at least one valid device index required"); |
| break; |
| } |
| |
| test_device(dir, rec_id, play_id, clock_rate, ptime, chnum); |
| |
| } |
| break; |
| |
| case 'r': |
| /* record */ |
| { |
| int index; |
| char filename[80]; |
| int count; |
| |
| count = sscanf(line+2, "%d %s", &index, filename); |
| if (count==1) |
| record(index, NULL); |
| else if (count==2) |
| record(index, filename); |
| else |
| puts("error: invalid command syntax"); |
| } |
| break; |
| |
| case 'p': |
| /* playback */ |
| { |
| int index; |
| char filename[80]; |
| int count; |
| |
| count = sscanf(line+2, "%d %s", &index, filename); |
| if (count==1) |
| play_file(index, NULL); |
| else if (count==2) |
| play_file(index, filename); |
| else |
| puts("error: invalid command syntax"); |
| } |
| break; |
| |
| case 'd': |
| /* latencies */ |
| { |
| int rec_lat, play_lat; |
| |
| if (sscanf(line+2, "%d %d", &rec_lat, &play_lat) == 2) { |
| capture_lat = (unsigned) |
| (rec_lat>=0? rec_lat:PJMEDIA_SND_DEFAULT_REC_LATENCY); |
| playback_lat = (unsigned) |
| (play_lat >= 0? play_lat : PJMEDIA_SND_DEFAULT_PLAY_LATENCY); |
| printf("Recording latency=%ums, playback latency=%ums", |
| capture_lat, playback_lat); |
| } else { |
| printf("Current latencies: record=%ums, playback=%ums", |
| capture_lat, playback_lat); |
| } |
| puts(""); |
| } |
| break; |
| |
| case 'v': |
| if (pj_log_get_level() <= 3) { |
| pj_log_set_level(5); |
| puts("Logging set to detail"); |
| } else { |
| pj_log_set_level(3); |
| puts("Logging set to quiet"); |
| } |
| break; |
| |
| case 'q': |
| done = PJ_TRUE; |
| break; |
| } |
| } |
| |
| pj_caching_pool_destroy(&cp); |
| pj_shutdown(); |
| return 0; |
| } |
| |
| |