[버그/완료] PIR-Sensor/Sound: Audio device got stuck! with mplayer

#############################################################################
[DEBUG] Original audio file name (string) is  201807220940_fe774133bee7704581d5373d5cde2242.m4a
[DEBUG] Changed  audio file name (string) is  201807220940
[DEBUG] check vaule is True
[DEBUG] Okay. The file name is number.
[DEBUG] Valid. This file is *.m4a audio file.
[DEBUG] check execution number 32
[DEBUG] Changed  audio file name (int)    is  201807220940
[DEBUG] Starting...
[DEBUG] ---------------------------------
[DEBUG] audio_time 201807220940, current time 201807220940
[DEBUG] ---------------------------------
[DEBUG] Succeeded, command: mplayer ../webapp/audio/201807220940_fe774133bee7704581d5373d5cde2242.m4a.
[DEBUG] we found audio file.
MPlayer 1.2.1 (Debian), built with gcc-5.3.1 (C) 2000-2016 MPlayer Team
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing ../webapp/audio/201807220940_fe774133bee7704581d5373d5cde2242.m4a.
libavformat version 56.40.101 (external)
libavformat file format detected.
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x76967620]Protocol name not provided, cannot determine if input is local or a network protocol, buffers and access patterns cannot be configured optimally without knowing the protocol
[lavf] stream 0: audio (aac), -aid 0, -alang eng
Clip info:
 major_brand: 3gp4
 minor_version: 0
 compatible_brands: isom3gp4
 creation_time: 2018-07-22 00:42:32
Load subtitles in ../webapp/audio/
==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
libavcodec version 56.60.100 (external)
AUDIO: 44100 Hz, 1 ch, floatle, 128.1 kbit/9.07% (ratio: 16007->176400)
Selected audio codec: [ffaac] afm: ffmpeg (FFmpeg AAC (MPEG-2/MPEG-4 Audio))
==========================================================================
AO: [pulse] 44100Hz 1ch floatle (4 bytes per sample)
Video: no video
Starting playback...
A:   0.9 (00.8) of 2.8 (02.8)  0.8%
Audio device got stuck!
A:   1.2 (01.1) of 2.8 (02.8)  0.8%
Audio device got stuck!
A:   1.2 (01.2) of 2.8 (02.8)  0.8%
Audio device got stuck!
A:   1.2 (01.2) of 2.8 (02.8)  0.8%
Audio device got stuck!
A:   1.2 (01.2) of 2.8 (02.8)  0.8%
Audio device got stuck!
A:   1.2 (01.2) of 2.8 (02.8)  0.8%
Audio device got stuck!
A:   1.2 (01.2) of 2.8 (02.8)  0.8%
Audio device got stuck!
A:   1.2 (01.2) of 2.8 (02.8)  0.8%
Audio device got stuck!
A:   1.2 (01.2) of 2.8 (02.8)  0.8%

MPlayer interrupted by signal 2 in module: play_audio
Audio device got stuck!
A:   1.2 (01.2) of 2.8 (02.8)  0.8%

Exiting... (Quit)

1532226447236

Googling:
- https://askubuntu.com/questions/916694/audio-device-got-stuck-with-bluetooth-after-one-minute

Solution1:

$ sudo apt install pulseaudio
$ pulseaudio --kill; pulseaudio --start

Solution2:

# wait for 2 seconds after play audio file.
    time.sleep(2)

Solution3:
- https://linuxconfig.org/how-to-play-audio-with-vlc-in-python

Solution4: (RECOMMENDED)

vlc://pause: Pause the playlist for a certain time

vlc://quit Special item to quit VLC

# play audo file: -ao alsa , -ao pluse
# cmd = "mplayer -ao pulse " + search_path + audio_file
# mplayer is not good. It results in "Audio device got stuck!" error.
cmd = "cvlc " + search_path + audio_file + " vlc://quit"
print "[DEBUG] Succeeded, command: %s." % cmd
print "[DEBUG] We found audio file."
print "[DEBUG] Let's play the audio file:" , cmd
os.system(cmd)

Test result1 with cvlc:

problem: Audio device got stuck!

Recipe: replace mplayer with cvlc ... vlc://quit

#############################################################################
[DEBUG] Original audio file name (string) is  201807221100_4f0b13cf22c361d44b75ec78976079f9.m4a
[DEBUG] Changed  audio file name (string) is  201807221100
[DEBUG] check vaule is True
[DEBUG] Okay. The file name is number.
[DEBUG] Valid. This file is *.m4a audio file.
[DEBUG] check execution number 810
[DEBUG] Changed  audio file name (int)    is  201807221100
[DEBUG] Starting...
[DEBUG] ---------------------------------
[DEBUG] audio_time 201807221100, current time 201807221100
[DEBUG] ---------------------------------
[DEBUG] Succeeded, command: cvlc ../webapp/audio/201807221100_4f0b13cf22c361d44b75ec78976079f9.m4a vlc://quit.
[DEBUG] We found audio file.
[DEBUG] Let's play the audio file: cvlc ../webapp/audio/201807221100_4f0b13cf22c361d44b75ec78976079f9.m4a vlc://quit
VLC media player 2.2.2 Weatherwax (revision 2.2.2-0-g6259d80)
[01d04c20] dummy interface: using the dummy interface module...
[6b301000] idummy demux: command `quit'
#############################################################################

Test result2 with cvlc:
- problemr: core interface error: no suitable interface module
- Recipe: $vlc --reset-config --reset-plugins-cache

#############################################################################
[DEBUG] Original audio file name (string) is  201807221550_ff6f2c9498fefc6cd204239be0e752a7.m4a
[DEBUG] Changed  audio file name (string) is  201807221550
[DEBUG] check vaule is True
[DEBUG] Okay. The file name is number.
[DEBUG] Valid. This file is *.m4a audio file.
[DEBUG] check execution number 555
[DEBUG] Changed  audio file name (int)    is  201807221550
[DEBUG] Starting...
[DEBUG] ---------------------------------
[DEBUG] audio_time 201807221550, current time 201807221550
[DEBUG] ---------------------------------
[DEBUG] Succeeded, command: cvlc ../webapp/audio/201807221550_ff6f2c9498fefc6cd204239be0e752a7.m4a vlc://quit.
[DEBUG] We found audio file.
[DEBUG] Let's play the audio file: cvlc ../webapp/audio/201807221550_ff6f2c9498fefc6cd204239be0e752a7.m4a vlc://quit
VLC media player 2.2.2 Weatherwax (revision 2.2.2-0-g6259d80)
[01823c30] core interface error: no suitable interface module
[01771948] core libvlc error: interface "globalhotkeys,none" initialization failed
[01823c98] dbus interface error: Failed to connect to the D-Bus session daemon: Unable to autolaunch a dbus-daemon without a $DISPLAY for X11
[01823c98] core interface error: no suitable interface module
[01771948] core libvlc error: interface "dbus,none" initialization failed
[01823c98] dummy interface: using the dummy interface module...

lsy0314 / sintoburi

[버그/완료] PIR-Sensor/Sound: Audio device got stuck! with mplayer #11