| /* $Id$ */ |
| /* |
| * 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/delaybuf.h> |
| #include <pj/assert.h> |
| #include <pj/errno.h> |
| #include <pj/os.h> |
| #include <pj/log.h> |
| #include <pj/string.h> |
| #include <pj/unicode.h> |
| #include <e32cons.h> |
| |
| #define THIS_FILE "app_main.cpp" |
| #define CLOCK_RATE 8000 |
| #define CHANNEL_COUNT 1 |
| #define PTIME 20 |
| #define SAMPLES_PER_FRAME (CLOCK_RATE*PTIME/1000) |
| #define BITS_PER_SAMPLE 16 |
| |
| extern CConsoleBase* console; |
| |
| static pj_caching_pool cp; |
| static pjmedia_aud_stream *strm; |
| static unsigned rec_cnt, play_cnt; |
| static pj_time_val t_start; |
| static pjmedia_aud_param param; |
| static pj_pool_t *pool; |
| static pjmedia_delay_buf *delaybuf; |
| static char frame_buf[256]; |
| |
| static void copy_frame_ext(pjmedia_frame_ext *f_dst, |
| const pjmedia_frame_ext *f_src) |
| { |
| pj_bzero(f_dst, sizeof(*f_dst)); |
| if (f_src->subframe_cnt) { |
| f_dst->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| for (unsigned i = 0; i < f_src->subframe_cnt; ++i) { |
| pjmedia_frame_ext_subframe *sf; |
| sf = pjmedia_frame_ext_get_subframe(f_src, i); |
| pjmedia_frame_ext_append_subframe(f_dst, sf->data, sf->bitlen, |
| param.samples_per_frame); |
| } |
| } else { |
| f_dst->base.type = PJMEDIA_FRAME_TYPE_NONE; |
| } |
| } |
| |
| /* Logging callback */ |
| static void log_writer(int level, const char *buf, unsigned len) |
| { |
| static wchar_t buf16[PJ_LOG_MAX_SIZE]; |
| |
| PJ_UNUSED_ARG(level); |
| |
| pj_ansi_to_unicode(buf, len, buf16, PJ_ARRAY_SIZE(buf16)); |
| |
| TPtrC16 aBuf((const TUint16*)buf16, (TInt)len); |
| console->Write(aBuf); |
| } |
| |
| /* perror util */ |
| static void app_perror(const char *title, pj_status_t status) |
| { |
| char errmsg[PJ_ERR_MSG_SIZE]; |
| pj_strerror(status, errmsg, sizeof(errmsg)); |
| PJ_LOG(1,(THIS_FILE, "Error: %s: %s", title, errmsg)); |
| } |
| |
| /* Application init */ |
| static pj_status_t app_init() |
| { |
| unsigned i, count; |
| pj_status_t status; |
| |
| /* Redirect log */ |
| pj_log_set_log_func((void (*)(int,const char*,int)) &log_writer); |
| pj_log_set_decor(PJ_LOG_HAS_NEWLINE); |
| pj_log_set_level(3); |
| |
| /* Init pjlib */ |
| status = pj_init(); |
| if (status != PJ_SUCCESS) { |
| app_perror("pj_init()", status); |
| return status; |
| } |
| |
| pj_caching_pool_init(&cp, NULL, 0); |
| |
| /* Init sound subsystem */ |
| status = pjmedia_aud_subsys_init(&cp.factory); |
| if (status != PJ_SUCCESS) { |
| app_perror("pjmedia_snd_init()", status); |
| pj_caching_pool_destroy(&cp); |
| pj_shutdown(); |
| return status; |
| } |
| |
| count = pjmedia_aud_dev_count(); |
| PJ_LOG(3,(THIS_FILE, "Device count: %d", count)); |
| for (i=0; i<count; ++i) { |
| pjmedia_aud_dev_info info; |
| pj_status_t status; |
| |
| status = pjmedia_aud_dev_get_info(i, &info); |
| pj_assert(status == PJ_SUCCESS); |
| PJ_LOG(3, (THIS_FILE, "%d: %s %d/%d %dHz", |
| i, info.name, info.input_count, info.output_count, |
| info.default_samples_per_sec)); |
| |
| unsigned j; |
| |
| /* Print extended formats supported by this audio device */ |
| PJ_LOG(3, (THIS_FILE, " Extended formats supported:")); |
| for (j = 0; j < info.ext_fmt_cnt; ++j) { |
| const char *fmt_name = NULL; |
| |
| switch (info.ext_fmt[j].id) { |
| case PJMEDIA_FORMAT_PCMA: |
| fmt_name = "PCMA"; |
| break; |
| case PJMEDIA_FORMAT_PCMU: |
| fmt_name = "PCMU"; |
| break; |
| case PJMEDIA_FORMAT_AMR: |
| fmt_name = "AMR-NB"; |
| break; |
| case PJMEDIA_FORMAT_G729: |
| fmt_name = "G729"; |
| break; |
| case PJMEDIA_FORMAT_ILBC: |
| fmt_name = "ILBC"; |
| break; |
| case PJMEDIA_FORMAT_PCM: |
| fmt_name = "PCM"; |
| break; |
| default: |
| fmt_name = "Unknown"; |
| break; |
| } |
| PJ_LOG(3, (THIS_FILE, " - %s", fmt_name)); |
| } |
| } |
| |
| /* Create pool */ |
| pool = pj_pool_create(&cp.factory, THIS_FILE, 512, 512, NULL); |
| if (pool == NULL) { |
| app_perror("pj_pool_create()", status); |
| pj_caching_pool_destroy(&cp); |
| pj_shutdown(); |
| return status; |
| } |
| |
| /* Init delay buffer */ |
| status = pjmedia_delay_buf_create(pool, THIS_FILE, CLOCK_RATE, |
| SAMPLES_PER_FRAME, CHANNEL_COUNT, |
| 0, 0, &delaybuf); |
| if (status != PJ_SUCCESS) { |
| app_perror("pjmedia_delay_buf_create()", status); |
| //pj_caching_pool_destroy(&cp); |
| //pj_shutdown(); |
| //return status; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* Sound capture callback */ |
| static pj_status_t rec_cb(void *user_data, |
| pjmedia_frame *frame) |
| { |
| PJ_UNUSED_ARG(user_data); |
| |
| if (param.ext_fmt.id == PJMEDIA_FORMAT_PCM) { |
| pjmedia_delay_buf_put(delaybuf, (pj_int16_t*)frame->buf); |
| |
| if (frame->size != SAMPLES_PER_FRAME*2) { |
| PJ_LOG(3, (THIS_FILE, "Size captured = %u", |
| frame->size)); |
| } |
| } else { |
| pjmedia_frame_ext *f_src = (pjmedia_frame_ext*)frame; |
| pjmedia_frame_ext *f_dst = (pjmedia_frame_ext*)frame_buf; |
| |
| copy_frame_ext(f_dst, f_src); |
| } |
| |
| ++rec_cnt; |
| return PJ_SUCCESS; |
| } |
| |
| /* Play cb */ |
| static pj_status_t play_cb(void *user_data, |
| pjmedia_frame *frame) |
| { |
| PJ_UNUSED_ARG(user_data); |
| |
| if (param.ext_fmt.id == PJMEDIA_FORMAT_PCM) { |
| pjmedia_delay_buf_get(delaybuf, (pj_int16_t*)frame->buf); |
| frame->size = SAMPLES_PER_FRAME*2; |
| frame->type = PJMEDIA_FRAME_TYPE_AUDIO; |
| } else { |
| pjmedia_frame_ext *f_src = (pjmedia_frame_ext*)frame_buf; |
| pjmedia_frame_ext *f_dst = (pjmedia_frame_ext*)frame; |
| |
| copy_frame_ext(f_dst, f_src); |
| } |
| |
| ++play_cnt; |
| return PJ_SUCCESS; |
| } |
| |
| /* Start sound */ |
| static pj_status_t snd_start(unsigned flag) |
| { |
| pj_status_t status; |
| |
| if (strm != NULL) { |
| app_perror("snd already open", PJ_EINVALIDOP); |
| return PJ_EINVALIDOP; |
| } |
| |
| pjmedia_aud_dev_default_param(0, ¶m); |
| param.channel_count = CHANNEL_COUNT; |
| param.clock_rate = CLOCK_RATE; |
| param.samples_per_frame = SAMPLES_PER_FRAME; |
| param.dir = (pjmedia_dir) flag; |
| param.ext_fmt.id = PJMEDIA_FORMAT_AMR; |
| param.ext_fmt.bitrate = 12200; |
| param.output_route = PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER; |
| |
| status = pjmedia_aud_stream_create(¶m, &rec_cb, &play_cb, NULL, &strm); |
| if (status != PJ_SUCCESS) { |
| app_perror("snd open", status); |
| return status; |
| } |
| |
| rec_cnt = play_cnt = 0; |
| pj_gettimeofday(&t_start); |
| |
| pjmedia_delay_buf_reset(delaybuf); |
| |
| status = pjmedia_aud_stream_start(strm); |
| if (status != PJ_SUCCESS) { |
| app_perror("snd start", status); |
| pjmedia_aud_stream_destroy(strm); |
| strm = NULL; |
| return status; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* Stop sound */ |
| static pj_status_t snd_stop() |
| { |
| pj_time_val now; |
| pj_status_t status; |
| |
| if (strm == NULL) { |
| app_perror("snd not open", PJ_EINVALIDOP); |
| return PJ_EINVALIDOP; |
| } |
| |
| status = pjmedia_aud_stream_stop(strm); |
| if (status != PJ_SUCCESS) { |
| app_perror("snd failed to stop", status); |
| } |
| status = pjmedia_aud_stream_destroy(strm); |
| strm = NULL; |
| |
| pj_gettimeofday(&now); |
| PJ_TIME_VAL_SUB(now, t_start); |
| |
| PJ_LOG(3,(THIS_FILE, "Duration: %d.%03d", now.sec, now.msec)); |
| PJ_LOG(3,(THIS_FILE, "Captured: %d", rec_cnt)); |
| PJ_LOG(3,(THIS_FILE, "Played: %d", play_cnt)); |
| |
| return status; |
| } |
| |
| /* Shutdown application */ |
| static void app_fini() |
| { |
| if (strm) |
| snd_stop(); |
| |
| pjmedia_aud_subsys_shutdown(); |
| pjmedia_delay_buf_destroy(delaybuf); |
| pj_pool_release(pool); |
| pj_caching_pool_destroy(&cp); |
| pj_shutdown(); |
| } |
| |
| |
| //////////////////////////////////////////////////////////////////////////// |
| /* |
| * The interractive console UI |
| */ |
| #include <e32base.h> |
| |
| class ConsoleUI : public CActive |
| { |
| public: |
| ConsoleUI(CConsoleBase *con); |
| |
| // Run console UI |
| void Run(); |
| |
| // Stop |
| void Stop(); |
| |
| protected: |
| // Cancel asynchronous read. |
| void DoCancel(); |
| |
| // Implementation: called when read has completed. |
| void RunL(); |
| |
| private: |
| CConsoleBase *con_; |
| }; |
| |
| |
| ConsoleUI::ConsoleUI(CConsoleBase *con) |
| : CActive(EPriorityUserInput), con_(con) |
| { |
| CActiveScheduler::Add(this); |
| } |
| |
| // Run console UI |
| void ConsoleUI::Run() |
| { |
| con_->Read(iStatus); |
| SetActive(); |
| } |
| |
| // Stop console UI |
| void ConsoleUI::Stop() |
| { |
| DoCancel(); |
| } |
| |
| // Cancel asynchronous read. |
| void ConsoleUI::DoCancel() |
| { |
| con_->ReadCancel(); |
| } |
| |
| static void PrintMenu() |
| { |
| PJ_LOG(3, (THIS_FILE, "\n\n" |
| "Menu:\n" |
| " a Start bidir sound\n" |
| " t Start recorder\n" |
| " p Start player\n" |
| " d Stop & close sound\n" |
| " w Quit\n")); |
| } |
| |
| // Implementation: called when read has completed. |
| void ConsoleUI::RunL() |
| { |
| TKeyCode kc = con_->KeyCode(); |
| pj_bool_t reschedule = PJ_TRUE; |
| |
| switch (kc) { |
| case 'w': |
| snd_stop(); |
| CActiveScheduler::Stop(); |
| reschedule = PJ_FALSE; |
| break; |
| case 'a': |
| snd_start(PJMEDIA_DIR_CAPTURE_PLAYBACK); |
| break; |
| case 't': |
| snd_start(PJMEDIA_DIR_CAPTURE); |
| break; |
| case 'p': |
| snd_start(PJMEDIA_DIR_PLAYBACK); |
| break; |
| case 'd': |
| snd_stop(); |
| break; |
| default: |
| PJ_LOG(3,(THIS_FILE, "Keycode '%c' (%d) is pressed", |
| kc, kc)); |
| break; |
| } |
| |
| PrintMenu(); |
| |
| if (reschedule) |
| Run(); |
| } |
| |
| |
| //////////////////////////////////////////////////////////////////////////// |
| int app_main() |
| { |
| if (app_init() != PJ_SUCCESS) |
| return -1; |
| |
| // Run the UI |
| ConsoleUI *con = new ConsoleUI(console); |
| |
| con->Run(); |
| |
| PrintMenu(); |
| CActiveScheduler::Start(); |
| |
| delete con; |
| |
| app_fini(); |
| return 0; |
| } |
| |