helpThe OpenVortex Project - Support: sr #103088, Hardware Mixing (Multi-thread)


sr #103088: Hardware Mixing (Multi-thread)

Submitted by:  None
Submitted on:  Mon 24 May 2004 09:00:15 AM UTC  
Category:  None Priority:  5 - Normal
Severity:  2 - Minor Status:  None
Privacy:  Public Assigned to:  None
Originator Email:  -email is unavailable- Open/Closed:  Open
Operating System:  None

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Mon 24 May 2004 09:00:15 AM UTC, original submission:

Is there any multi-thread sample code for playing multiple sound streams using thread ?

void play_loop()
while () {
... read buffer from file

void stop_play()

void play_sound()
... setup access,rate,channel,period size,buffer size
... setup threshold,...
pthread_create(thread, NULL, play_loop,NULL);

EOF can be detected inside play loop, but snd_pcm_close() is never call until I press a play button to invoke stop_play.

This means that I can only play multiple sound using threads until 16 SRC are used up (snd_pcm_open return EBUSY) since snd_pcm_close is never called. I don't want to click the stop botton everytime after the sound is finished but I want to able to pause/resume/stop the sound at anytime during play.



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