Benny Prijono | 96811bf | 2007-08-31 15:04:52 +0000 | [diff] [blame^] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2003-2007 Benny Prijono <benny@prijono.org> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #include <pjmedia/sound.h> |
| 20 | #include <pj/errno.h> |
| 21 | #include <pj/os.h> |
| 22 | #include <pj/log.h> |
| 23 | #include <pj/string.h> |
| 24 | #include <pj/unicode.h> |
| 25 | #include <e32cons.h> |
| 26 | |
| 27 | #define THIS_FILE "app_main.cpp" |
| 28 | #define CLOCK_RATE 8000 |
| 29 | #define CHANNEL_COUNT 1 |
| 30 | #define PTIME 100 |
| 31 | #define SAMPLES_PER_FRAME (2048) |
| 32 | #define BITS_PER_SAMPLE 16 |
| 33 | |
| 34 | |
| 35 | extern CConsoleBase* console; |
| 36 | |
| 37 | static pj_caching_pool cp; |
| 38 | static pjmedia_snd_stream *strm; |
| 39 | static unsigned rec_cnt, play_cnt; |
| 40 | static pj_time_val t_start; |
| 41 | |
| 42 | |
| 43 | /* Logging callback */ |
| 44 | static void log_writer(int level, const char *buf, unsigned len) |
| 45 | { |
| 46 | static wchar_t buf16[PJ_LOG_MAX_SIZE]; |
| 47 | |
| 48 | PJ_UNUSED_ARG(level); |
| 49 | |
| 50 | pj_ansi_to_unicode(buf, len, buf16, PJ_ARRAY_SIZE(buf16)); |
| 51 | |
| 52 | TPtrC16 aBuf((const TUint16*)buf16, (TInt)len); |
| 53 | console->Write(aBuf); |
| 54 | } |
| 55 | |
| 56 | /* perror util */ |
| 57 | static void app_perror(const char *title, pj_status_t status) |
| 58 | { |
| 59 | char errmsg[PJ_ERR_MSG_SIZE]; |
| 60 | pj_strerror(status, errmsg, sizeof(errmsg)); |
| 61 | PJ_LOG(1,(THIS_FILE, "Error: %s: %s", title, errmsg)); |
| 62 | } |
| 63 | |
| 64 | /* Application init */ |
| 65 | static pj_status_t app_init() |
| 66 | { |
| 67 | unsigned i, count; |
| 68 | pj_status_t status; |
| 69 | |
| 70 | /* Redirect log */ |
| 71 | pj_log_set_log_func((void (*)(int,const char*,int)) &log_writer); |
| 72 | pj_log_set_decor(PJ_LOG_HAS_NEWLINE); |
| 73 | |
| 74 | /* Init pjlib */ |
| 75 | status = pj_init(); |
| 76 | if (status != PJ_SUCCESS) { |
| 77 | app_perror("pj_init()", status); |
| 78 | return status; |
| 79 | } |
| 80 | |
| 81 | pj_caching_pool_init(&cp, NULL, 0); |
| 82 | |
| 83 | /* Init sound subsystem */ |
| 84 | status = pjmedia_snd_init(&cp.factory); |
| 85 | if (status != PJ_SUCCESS) { |
| 86 | app_perror("pjmedia_snd_init()", status); |
| 87 | pj_caching_pool_destroy(&cp); |
| 88 | pj_shutdown(); |
| 89 | return status; |
| 90 | } |
| 91 | |
| 92 | count = pjmedia_snd_get_dev_count(); |
| 93 | PJ_LOG(3,(THIS_FILE, "Device count: %d", count)); |
| 94 | for (i=0; i<count; ++i) { |
| 95 | const pjmedia_snd_dev_info *info; |
| 96 | |
| 97 | info = pjmedia_snd_get_dev_info(i); |
| 98 | PJ_LOG(3, (THIS_FILE, "%d: %s %d/%d %dHz", |
| 99 | i, info->name, info->input_count, info->output_count, |
| 100 | info->default_samples_per_sec)); |
| 101 | } |
| 102 | |
| 103 | return PJ_SUCCESS; |
| 104 | } |
| 105 | |
| 106 | |
| 107 | /* Sound capture callback */ |
| 108 | static pj_status_t rec_cb(void *user_data, |
| 109 | pj_uint32_t timestamp, |
| 110 | void *input, |
| 111 | unsigned size) |
| 112 | { |
| 113 | PJ_UNUSED_ARG(user_data); |
| 114 | PJ_UNUSED_ARG(timestamp); |
| 115 | PJ_UNUSED_ARG(input); |
| 116 | PJ_UNUSED_ARG(size); |
| 117 | |
| 118 | ++rec_cnt; |
| 119 | return PJ_SUCCESS; |
| 120 | } |
| 121 | |
| 122 | /* Play cb */ |
| 123 | static pj_status_t play_cb(void *user_data, |
| 124 | pj_uint32_t timestamp, |
| 125 | void *output, |
| 126 | unsigned size) |
| 127 | { |
| 128 | PJ_UNUSED_ARG(user_data); |
| 129 | PJ_UNUSED_ARG(timestamp); |
| 130 | |
| 131 | pj_bzero(output, size); |
| 132 | |
| 133 | ++play_cnt; |
| 134 | return PJ_SUCCESS; |
| 135 | } |
| 136 | |
| 137 | /* Start sound */ |
| 138 | static pj_status_t snd_start(unsigned flag) |
| 139 | { |
| 140 | pj_status_t status; |
| 141 | |
| 142 | if (strm != NULL) { |
| 143 | app_perror("snd already open", PJ_EINVALIDOP); |
| 144 | return PJ_EINVALIDOP; |
| 145 | } |
| 146 | |
| 147 | if (flag==PJMEDIA_DIR_CAPTURE_PLAYBACK) |
| 148 | status = pjmedia_snd_open(-1, -1, CLOCK_RATE, CHANNEL_COUNT, |
| 149 | SAMPLES_PER_FRAME, BITS_PER_SAMPLE, |
| 150 | &rec_cb, &play_cb, NULL, &strm); |
| 151 | else if (flag==PJMEDIA_DIR_CAPTURE) |
| 152 | status = pjmedia_snd_open_rec(-1, CLOCK_RATE, CHANNEL_COUNT, |
| 153 | SAMPLES_PER_FRAME, BITS_PER_SAMPLE, |
| 154 | &rec_cb, NULL, &strm); |
| 155 | else |
| 156 | status = pjmedia_snd_open_player(-1, CLOCK_RATE, CHANNEL_COUNT, |
| 157 | SAMPLES_PER_FRAME, BITS_PER_SAMPLE, |
| 158 | &play_cb, NULL, &strm); |
| 159 | |
| 160 | if (status != PJ_SUCCESS) { |
| 161 | app_perror("snd open", status); |
| 162 | return status; |
| 163 | } |
| 164 | |
| 165 | rec_cnt = play_cnt = 0; |
| 166 | pj_gettimeofday(&t_start); |
| 167 | |
| 168 | status = pjmedia_snd_stream_start(strm); |
| 169 | if (status != PJ_SUCCESS) { |
| 170 | app_perror("snd start", status); |
| 171 | pjmedia_snd_stream_close(strm); |
| 172 | strm = NULL; |
| 173 | return status; |
| 174 | } |
| 175 | |
| 176 | return PJ_SUCCESS; |
| 177 | } |
| 178 | |
| 179 | /* Stop sound */ |
| 180 | static pj_status_t snd_stop() |
| 181 | { |
| 182 | pj_time_val now; |
| 183 | pj_status_t status; |
| 184 | |
| 185 | if (strm == NULL) { |
| 186 | app_perror("snd not open", PJ_EINVALIDOP); |
| 187 | return PJ_EINVALIDOP; |
| 188 | } |
| 189 | |
| 190 | status = pjmedia_snd_stream_close(strm); |
| 191 | strm = NULL; |
| 192 | |
| 193 | pj_gettimeofday(&now); |
| 194 | PJ_TIME_VAL_SUB(now, t_start); |
| 195 | |
| 196 | PJ_LOG(3,(THIS_FILE, "Duration: %d.%03d", now.sec, now.msec)); |
| 197 | PJ_LOG(3,(THIS_FILE, "Captured: %d", rec_cnt)); |
| 198 | PJ_LOG(3,(THIS_FILE, "Played: %d", play_cnt)); |
| 199 | |
| 200 | return status; |
| 201 | } |
| 202 | |
| 203 | /* Shutdown application */ |
| 204 | static void app_fini() |
| 205 | { |
| 206 | if (strm) |
| 207 | snd_stop(); |
| 208 | |
| 209 | pjmedia_snd_deinit(); |
| 210 | pj_caching_pool_destroy(&cp); |
| 211 | pj_shutdown(); |
| 212 | } |
| 213 | |
| 214 | |
| 215 | //////////////////////////////////////////////////////////////////////////// |
| 216 | /* |
| 217 | * The interractive console UI |
| 218 | */ |
| 219 | #include <e32base.h> |
| 220 | |
| 221 | class ConsoleUI : public CActive |
| 222 | { |
| 223 | public: |
| 224 | ConsoleUI(CActiveSchedulerWait *asw, CConsoleBase *con); |
| 225 | |
| 226 | // Run console UI |
| 227 | void Run(); |
| 228 | |
| 229 | // Stop |
| 230 | void Stop(); |
| 231 | |
| 232 | protected: |
| 233 | // Cancel asynchronous read. |
| 234 | void DoCancel(); |
| 235 | |
| 236 | // Implementation: called when read has completed. |
| 237 | void RunL(); |
| 238 | |
| 239 | private: |
| 240 | CActiveSchedulerWait *asw_; |
| 241 | CConsoleBase *con_; |
| 242 | }; |
| 243 | |
| 244 | |
| 245 | ConsoleUI::ConsoleUI(CActiveSchedulerWait *asw, CConsoleBase *con) |
| 246 | : CActive(EPriorityHigh), asw_(asw), con_(con) |
| 247 | { |
| 248 | CActiveScheduler::Add(this); |
| 249 | } |
| 250 | |
| 251 | // Run console UI |
| 252 | void ConsoleUI::Run() |
| 253 | { |
| 254 | con_->Read(iStatus); |
| 255 | SetActive(); |
| 256 | } |
| 257 | |
| 258 | // Stop console UI |
| 259 | void ConsoleUI::Stop() |
| 260 | { |
| 261 | DoCancel(); |
| 262 | } |
| 263 | |
| 264 | // Cancel asynchronous read. |
| 265 | void ConsoleUI::DoCancel() |
| 266 | { |
| 267 | con_->ReadCancel(); |
| 268 | } |
| 269 | |
| 270 | static void PrintMenu() |
| 271 | { |
| 272 | PJ_LOG(3, (THIS_FILE, "\n\n" |
| 273 | "Menu:\n" |
| 274 | " b Start bidir sound\n" |
| 275 | " r Start recorder\n" |
| 276 | " p Start player\n" |
| 277 | " c Stop & close sound\n" |
| 278 | " q Quit\n")); |
| 279 | } |
| 280 | |
| 281 | // Implementation: called when read has completed. |
| 282 | void ConsoleUI::RunL() |
| 283 | { |
| 284 | TKeyCode kc = con_->KeyCode(); |
| 285 | pj_bool_t reschedule = PJ_TRUE; |
| 286 | |
| 287 | switch (kc) { |
| 288 | case 'q': |
| 289 | asw_->AsyncStop(); |
| 290 | reschedule = PJ_FALSE; |
| 291 | break; |
| 292 | case 'b': |
| 293 | snd_start(PJMEDIA_DIR_CAPTURE_PLAYBACK); |
| 294 | break; |
| 295 | case 'r': |
| 296 | snd_start(PJMEDIA_DIR_CAPTURE); |
| 297 | break; |
| 298 | case 'p': |
| 299 | snd_start(PJMEDIA_DIR_PLAYBACK); |
| 300 | break; |
| 301 | case 'c': |
| 302 | snd_stop(); |
| 303 | break; |
| 304 | default: |
| 305 | PJ_LOG(3,(THIS_FILE, "Keycode '%c' (%d) is pressed", |
| 306 | kc, kc)); |
| 307 | break; |
| 308 | } |
| 309 | |
| 310 | PrintMenu(); |
| 311 | |
| 312 | if (reschedule) |
| 313 | Run(); |
| 314 | } |
| 315 | |
| 316 | |
| 317 | //////////////////////////////////////////////////////////////////////////// |
| 318 | int app_main() |
| 319 | { |
| 320 | if (app_init() != PJ_SUCCESS) |
| 321 | return -1; |
| 322 | |
| 323 | // Run the UI |
| 324 | CActiveSchedulerWait *asw = new CActiveSchedulerWait; |
| 325 | ConsoleUI *con = new ConsoleUI(asw, console); |
| 326 | |
| 327 | con->Run(); |
| 328 | |
| 329 | PrintMenu(); |
| 330 | asw->Start(); |
| 331 | |
| 332 | delete con; |
| 333 | delete asw; |
| 334 | |
| 335 | app_fini(); |
| 336 | return 0; |
| 337 | } |
| 338 | |