thread 'thread_play_sound' panicked at 'called `Result::unwrap()` on an `Err` value: DefaultStreamConfigError(BackendSpecific { err: BackendSpecificError { description: "ALSA function 'snd_pcm_open' failed with error 'EHOSTDOWN: Host is down'" } })', src/notifications/types/sound.rs:...
需要用到alsa的库来进行音频采集和播放。 但是在编译程序的时候有个比较奇怪的问题。 undefined reference to `snd_pcm_open’ 一般来说,这肯定是程序链接的时候,找不到链接库。 可我明明在gcc的参数里面加了 -lasound 选项。 后来发现,原来-la...
retVal = snd_pcm_open( &pcm_playback, playback_device, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK); to retVal = snd_pcm_open( &pcm_playback, playback_device, SND_PCM_STREAM_PLAYBACK, 0); The Navigation device which I have is a USB device. Do I need to configure the USB device ...
ALSA lib pcm.c:2099:(snd_pcm_open_noupdate) Unknown PCM plughw:0,0 Playback open error: -2,No such file or directory speaker-test: conf.c:3109: snd_config_update_free: Assertion `update->count > 0 && update->finfo' failed. Aborted (core dumped) /home/saurav # Are these errors fr...
ALSA lib conf.c:4727:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM default Build system information Build language: node_js Build group: stable Build dist: trusty ...
ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM surround21 ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_hdmi.pcm.surround51.0:CARD=0' ...
ALSA lib ../../../alsa-lib-1.1.9/src/pcm/pcm_dmix.c:1120:(snd_pcm_dmix_open) unable to initialize slaveaplay: main:828: audio open error: Invalid argument ___ dmesg 后kernel 报错如下, [ 386.622136] fsl-sai 30c30000.sai: id 0, rate:0HZ, freq 11289600hz[ 386.628252...
snd_pcm_prepare(alsa_pcm[0].handle); }elseif(ret <0) {BX_ERROR(("ALSA: error from writei: %s", snd_strerror(ret))); }elseif(ret != (int)alsa_pcm[0].frames) {BX_ERROR(("ALSA: short write, write %d frames", ret)); ...
snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi ALSA lib pcm.c:2217:(snd_pcm_open_noupdate...
’ before ‘snd_pcm_t’ external/qemu/audio/alsaaudio.c: In function ‘alsa_open’: external/qemu/audio/alsaaudio.c:338: error: ‘snd_pcm_t’ undeclared (first use in this function) external/qemu/audio/alsaaudio.c:338: error: ‘handle’ undeclared (first use in this function) external...