}/* get high resolution time stamp from driver */snd_pcm_status_get_htstamp (status, &tstamp); timestamp = GST_TIMESPEC_TO_TIME (tstamp);/* max available frames sets the depth of the buffer */avail = snd_pcm_status_get_avail (status);/* calculate the timestamp of the next sample ...
}/* Stop PCM device and drop pending frames */snd_pcm_drain(g_alsa_playback_handle);#endifreturntrue; } 开发者ID:brandonlanky,项目名称:PocketCHIP-pocket-home,代码行数:80,代码来源:Main.cpp 示例2: main ▲点赞 6▼ intmain(){longloops;intrc;intsize;snd_pcm_t*handle;snd_pcm_hw_params_...
否则,虽然它可能不准确,但我认为使用snd_pcm_status_get_avail()(或者更复杂的snd_pcm_status_get_...
snd_pcm_open_conf 调用snd_dlobj_cache_get在动态库中libasound_module_pcm_hw.so获取函数指针_snd_pcm_hw_open_snd_pcm_hw_open通过调用snd_pcm_hw_open来创建hw_pcm设备。snd_pcm_hw_open函数原型如下int snd_pcm_hw_open(snd_pcm_t **pcmp, const char *name, int card, int device, int subdevic...
> If a PCM is already in SND_PCM_STATE_RUNNING, when is snd_pcm_wait() > supposed to return ? When avail >= avail_min. > I have discovered a problem with xine when using it. I have done a work > around in xine so that dmix now works in xine. I think that my ...
MySQL 和 MongoDB 是两个可用于存储和管理数据的数据库管理系统。MySQL 是一个关系数据库系统,以结构...
RX Audio Mixer MultiMedia1" 1打开通道看一下相应的流程; log中的open("/dev/snd_controlCx ...
cat /proc/asound/card0/pcm0p/sub0/status state: RUNNING owner_pid : 3829 (当前进程信息都有) trigger_time: 5889.590491875 tstamp : 0.000000000 delay : 32768 avail : 0 avail_max : 24576 --- hw_ptr : 15196160 appl_ptr : 15228928 $ ...
avail -= amt; }returnRingBufferSize(data->ring); } 开发者ID:9heart,项目名称:DT3,代码行数:60,代码来源:alsa.c 示例2: drvHostALSAAudioGetAvail ▲点赞 5▼ staticintdrvHostALSAAudioGetAvail(snd_pcm_t*phPCM,snd_pcm_sframes_t*pFramesAvail){ ...
avail -= ret; }break; }if(ret <0) { ret = snd_pcm_prepare(data->pcmHandle);if(ret <0)break; } } }return0; } 开发者ID:LighFusion,项目名称:surreal,代码行数:56,代码来源:alsa.c 示例4: snd_pcm_bytes_to_frames ▲点赞 1▼ ...