Changeset 5956
- Timestamp:
- Mar 21, 2019 8:46:13 AM (6 years ago)
- Location:
- pjproject/trunk/pjsip
- Files:
-
- 4 edited
Legend:
- Unmodified
- Added
- Removed
-
pjproject/trunk/pjsip/include/pjsua-lib/pjsua.h
r5939 r5956 7491 7491 * application can install Null Sound Device (i.e: using 7492 7492 * pjsua_set_null_snd_dev()), which will act as a master port, and instantiate 7493 * the sound device as extra sound device. But note that extra sound device 7494 * will not have auto-close upon idle feature. 7493 * the sound device as extra sound device. 7494 * 7495 * Note that extra sound device will not have auto-close upon idle feature. 7496 * Also note that currently extra sound device only supports mono channel. 7495 7497 */ 7496 7498 typedef struct pjsua_ext_snd_dev pjsua_ext_snd_dev; … … 7500 7502 * Create an extra sound device and register it to conference bridge. 7501 7503 * 7502 * @param snd_param Sound device port param. 7504 * @param snd_param Sound device port param. Currently this only supports 7505 * mono channel, so channel count must be set to 1. 7503 7506 * @param p_snd The extra sound device instance. 7504 7507 * -
pjproject/trunk/pjsip/include/pjsua2/media.hpp
r5923 r5956 1401 1401 /** 1402 1402 * Extra audio device. This class allows application to have multiple 1403 * sound device instances active concurrently. Application may also use 1404 * this class to improve media clock. Normally media clock is driven by 1405 * sound device in master port, but unfortunately some sound devices may 1406 * produce jittery clock. To improve media clock, application can install 1407 * Null Sound Device (i.e: using AudDevManager::setNullDev()), which will 1408 * act as a master port, and install the sound device as extra sound device. 1403 * sound device instances active concurrently. 1404 1405 * Application may also use this class to improve media clock. Normally 1406 * media clock is driven by sound device in master port, but unfortunately 1407 * some sound devices may produce jittery clock. To improve media clock, 1408 * application can install Null Sound Device (i.e: using 1409 * AudDevManager::setNullDev()), which will act as a master port, and 1410 * install the sound device as extra sound device. 1411 * 1409 1412 * Note that extra sound device will not have auto-close upon idle feature. 1413 * Also note that the extra sound device only supports mono channel. 1410 1414 */ 1411 1415 class ExtraAudioDevice : public AudioMedia … … 1426 1430 1427 1431 /** 1428 * Open the audio device using format (e.g.: clock rate, channel count, 1429 * samples per frame) matched to the conference bridge's format. 1432 * Open the audio device using format (e.g.: clock rate, bit per sample, 1433 * samples per frame) matched to the conference bridge's format, except 1434 * the channel count, which will be set to one (mono channel). 1430 1435 */ 1431 1436 void open(); -
pjproject/trunk/pjsip/src/pjsua-lib/pjsua_aud.c
r5923 r5956 2388 2388 2389 2389 PJ_ASSERT_RETURN(param && p_snd, PJ_EINVAL); 2390 PJ_ASSERT_RETURN(param->base.channel_count == 1, PJMEDIA_ENCCHANNEL); 2390 2391 2391 2392 pool = pjsua_pool_create("extsnd%p", 512, 512); -
pjproject/trunk/pjsip/src/pjsua2/media.cpp
r5955 r5956 1095 1095 param.base.rec_id = recDev; 1096 1096 param.base.clock_rate = master_info.clock_rate; 1097 param.base.channel_count = master_info.channel_count; 1098 param.base.samples_per_frame = master_info.samples_per_frame; 1097 param.base.channel_count = 1; 1098 param.base.samples_per_frame = master_info.samples_per_frame / 1099 master_info.channel_count; 1099 1100 param.base.bits_per_sample = master_info.bits_per_sample; 1100 1101
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