Feature #427

Playing 1080p or 720p via VDSL 25MBit/s

Added by Alex Luft about 12 years ago. Updated almost 12 years ago.

Status:FixedStart date:04/10/2011
Priority:NormalDue date:
Assignee:Andreas Smas% Done:


Target version:3.0


Showtime for PS3 is awesome! I just wrote a plugin for remote playing HD Files over Network. On the remote side i use an Apache httpd with Options +Indexes.
It works like a charm! But my network connection isn't fast enough. I figured out how to work around :) Is it possible to increase those two up to:


#define MQ_LOWWATER 1500
#define MQ_HIWATER 5500

? I didn't realize any issues with local files.



#1 Updated by Andreas Smas about 12 years ago

1500 packets is an insane buffer. for 24fps video this is equal to a buffer 62 seconds of video.
For HD content this could consume all memory. I will need to think of a different way to solve this.

#2 Updated by Alex Luft about 12 years ago


#define MQ_LOWWATER 720
#define MQ_HIWATER 1440

could be usable? I didn't notice any issues concerning memory usage. Showtime did run several hours with those two yesterday. Partially with 720p and partially with 1080p content. I dont know whether encoded or decoded data is buffered but if encoded this wouldnt result in a huge amount of used memory.
[ VC-1 ~20Mbit + 2 * (DTS 2Mbit) ] * 30 sec should consume about 90MByte of RAM.
But you are right, this should not be a default setting for everyone. A slider in the configuration menu would be a nice idea, i think.

Great job!
Big thanks!!

#3 Updated by Andreas Smas about 12 years ago

  • Status changed from New to Fixed

I've redesigned the buffering quite a bit. Perhaps you can try with the new code.
For details see 7ecd2e76

#4 Updated by Alex Luft about 12 years ago

Awesome! I will clone git today :) Just can't wait :)

#5 Updated by Andreas Smas about 12 years ago

Please do, and please come with feedback if it works too. I've not tested it in a PS3 build nor over wifi :-)

#6 Updated by Peter Hanfeld about 12 years ago

First thanks for your wonderful app,
streaming over wlan works now much better than before, but when the bitrate is
higher (above 10000kb video stream, 720p mkv bluray rip) the buffer
runs empty and the picture stands for some seconds.
maybe an option to choose the buffer size (some sort of option slider)
could resolve those problems?

Thanks again, Peter

#7 Updated by Alex Luft about 12 years ago

After 4 days i'm able to compile showtime again :) (I restored ps3toolchain from a backup because it is even not possible to build showtime with the newest toolchain)
Big thanks Andreas, i'm impressed about the new buffering code! It should work for the normal user! For my connection i did this:

diff --git a/src/media.c b/src/media.c
index 7dc1a0e..82eed7a 100644
--- a/src/media.c
+++ b/src/media.c
@@ -1324,7 +1324,7 @@ mp_configure(media_pipe_t *mp, int caps, int buffer_size)

-    mp->mp_buffer_limit = 10 * 1000 * 1000;
+    mp->mp_buffer_limit = 30 * 1000 * 1000;
   prop_set_int(mp->mp_prop_buffer_limit, mp->mp_buffer_limit);

Great job! Works perfect!

#8 Updated by Andreas Smas almost 12 years ago

  • Target version changed from 2.99 to 3.0

#9 Updated by Andreas Smas almost 12 years ago

New version 3.1.203 have a HDD buffer backing the streaming.
Please try it out.


Also available in: Atom PDF