[MPlayer-dev-eng] [PATCH] smooth seeking with alsa:noblock

[Jindrich Makovicka]

Arpi wrote:

>Hi,
>
>  
>
>>this patch allows smooth seeking with alsa 0.9, similar to oss and sdl 
>>outputs (just need to specify ao=alsa9:noblock). I tested it with mmap 
>>also. It works by reading the count of remaining samples when doing 
>>reset() and dropping the next incoming ones, avoiding the delays.
>>    
>>
>
>hmm. why don't you drop the remained samples instead of the new ones,
>like the oss driver does? your method will result short (0.3-2 secs) period
>with new picture but old sound, it may be confusing and strange...
>  
>
Sorry, the original code convinced me that it's not possible with alsa ;)
Just replacing snd_pcm_drain with snd_pcm_drop does the job and works 
for both blocking and nonblocking IO.

-- 
Jindrich Makovicka