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Old 09-20-2003, 12:51 PM   #1
LQ Newbie
Registered: Jun 2003
Location: London uk
Distribution: slackware
Posts: 5

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mplayer and intelligent streaming

I have recently installed mplayer from source on my slackware box with no problems. I have also installed the mplayer-plugin into mozilla and firebird. This works fine and I can now view streamed video including micro$oft asf files............

However, apparently the micro$oft media streaming format apparently allows for "intelligent streaming" where the stream sent to you is optimised to your bandwidth/connection. Using mplayer I can only seem to view the smallest streams ie the streams for a 56k modem. I imagine the micro$oft media player has some facility to choose which stream would be optimal as I can watch the same streams at a much higher quality over my adsl connection using windows and it's media player

How can I make mplayer selct a better stream??
Old 09-20-2003, 01:17 PM   #2
LQ Newbie
Registered: Jun 2003
Location: London uk
Distribution: slackware
Posts: 5

Original Poster
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Sorry in addition.......

when i try to stream an asf file when mplayer runs it includes this in its output:

============ ASF Stream group == START ===
object size = 50
stream count=[0x4][4]
stream id=[0x1][1]
max bitrate=[0x84d5][34005]
stream id=[0x2][2]
max bitrate=[0x2dca][11722]
stream id=[0x3][3]
max bitrate=[0x3d03d][249917]
stream id=[0x4][4]
max bitrate=[0x88c5][35013]
============ ASF Stream group == END ===

To me this seems to show that mplayer is aware of the differing streams available but I don't know how to make it choose. I sthe answer somewhere in this other part of it's output??

Opening video decoder: [dmo] DMO video codecs
External func OLEAUT32.dll:8
DMO dll supports VO Optimizations 0 1
DMO dll might use previous sample when requested
GetOutput r=0x0 size:57600 align:1
StreamCount r=0x0 1 1
Decoder supports the following YUV formats: YV12 YUY2 UYVY YVYU  
Decoder is capable of YUV output (flags 0x1b)
VDec: vo config request - 160 x 120 (preferred csp: Packed YUY2)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
VO: [xv] 160x120 => 160x120 Planar YV12
Selected video codec: [wmv9dmo] vfm:dmo (Windows Media Video 9 DMO)

Please help, any pointers would be greatly appreciated


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