Re: Performance issue

Hello Attila

On Saturday 04 March 2006 23:49, Attila Kinali wrote:
> On Sat, 4 Mar 2006 22:49:28 +0000
>
> David Mulcahy <[email protected]> wrote:
> > I am having a performance issue with mplayer using mga_vid in debian
> > stable.   Looking at all the advice online seems to indicate that -vo
> > xmga will give the best performace.  However I have been seeing a slight
> > jerky picture when the camera starts panning across a room or scenery.
>
> It's actualy a problem of the codec eating more cpu time. When
> you have a lot of movement, then the codec needs to access more of
> the picture in a way that will most probably destroy all advantage
> you get from L2 cache.
>
> >  I started adjusting lots
> > of thinks to rectify this (hdparm upgrading kernel and debian to
> > unstable, tweaking things) but what seems to work best is the following
> > command.
> >
> > mplayer -ao alsa -channels 2 -vo xv -dr -double -dvd-device /dev/cdrom
> > dvd://1
>
> For me, using -cache 10000 mostly solves these issues.
This makes it slightly better for the .1% of the times that this blur is 
happening.  Again 99.9% of the time it is great.

> If it's not related to cpu usage (have a look at the "suposedly droped
> frames" counter), then -mc & co might be of use.
>
> > I guess the question is why this works better because direct rendering is
> > (as far as i know) is more likely to work with xmga than xv, but in my
> > case it works with xv and again as far as i can tell doesnt work with
> > xmga.
>
> Hm.. dr is some kind of black magic. It only works in very special
> cases and is silently disabled in all other. I haven't checked
> the code myself so i cannot say whether mga should perform better or
> not.
>
> Just BTW: If you have a dual cpu machine, Xv will actualy give you better
> performance than mga (around 20% or so) as it splits the load onto two
> programs which are then able to use both cpus
I wish I had a dual cpu.
>
> > Now i thought I best check with the experts to see if I am in fact using
> > the best settings because I have a feeling that -vo xmga -dr should work
> > and give me better performance.  Am I right or do am I using the best way
> > with -vo xv -dr.
>
> I'd need a -v log at least be able to say anything.
>
> 				Attila Kinali
log -v is as follows

davmul@brookdale:~$ mplayer -v -ao alsa -channels 2 -vo xv -dr -double 
-dvd-device /dev/cdrom dvd://1 -cache 10000
MPlayer dev-CVS--3.3.5 (C) 2000-2005 MPlayer Team
CPU: Intel Celeron 2/Pentium III Coppermine,Geyserville (Family: 6, Stepping: 
3)
Detected cache-line size is 32 bytes
MMX2 supported but disabled
CPUflags:  MMX: 1 MMX2: 0 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 0
Compiled for x86 CPU with extensions: MMX SSE



CommandLine: '-v' '-ao' 'alsa' '-channels' '2' '-vo' 'xv' '-dr' '-double' 
'-dvd-device' '/dev/cdrom' 'dvd://1' '-cache' '10000'
init_freetype
get_path('font/font.desc') -> '/home/davmul/.mplayer/font/font.desc'
font: can't open file: /home/davmul/.mplayer/font/font.desc
font: can't open file: /usr/share/mplayer/font/font.desc
Using MMX Optimized OnScreenDisplay
Using Linux hardware RTC timing (1024Hz).
get_path('input.conf') -> '/home/davmul/.mplayer/input.conf'
Can't open input config file /home/davmul/.mplayer/input.conf: No such file or 
directory
Parsing input config file /etc/mplayer/input.conf
Input config file /etc/mplayer/input.conf parsed: 59 binds
Opening joystick device /dev/input/js0
Can't open joystick device /dev/input/js0 : Permission denied
Can't init input joystick
Setting up LIRC support...
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.
get_path('1.conf') -> '/home/davmul/.mplayer/1.conf'
Playing dvd://1.
URL: dvd://1
libdvdread: Using libdvdcss version 1.2.9 for DVD access
Reading disc structure, please wait...
There are 3 titles on this DVD.
There are 23 chapters in this DVD title.
There are 1 angles in this DVD title.

libdvdread: Attempting to retrieve all CSS keys
libdvdread: This can take a _long_ time, please be patient

libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x00000132
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x00000192
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x000002ec
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_02_0.VOB at 0x003860cf
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_02_1.VOB at 0x0038629d
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_03_1.VOB at 0x003862b3
libdvdread: Elapsed time 0
libdvdread: Found 3 VTS's
libdvdread: Elapsed time 0
DVD successfully opened.
[open] audio stream: 0 audio format: ac3 (5.1) language: en aid: 128
[open] audio stream: 1 audio format: ac3 (stereo) language: hu aid: 129
[open] audio stream: 2 audio format: ac3 (stereo) language: pl aid: 130
[open] number of audio channels on disk: 3.
[open] subtitle ( sid ): 0 language: en
[open] subtitle ( sid ): 1 language: en
[open] subtitle ( sid ): 2 language: en
[open] subtitle ( sid ): 3 language: da
[open] subtitle ( sid ): 4 language: fi
[open] subtitle ( sid ): 5 language: hu
[open] subtitle ( sid ): 6 language: no
[open] subtitle ( sid ): 7 language: sv
[open] number of subtitles on disk: 8
DVD start cell: 0  pack: 0x0-0x30602
DVD start=0 end=3693993
STREAM: [null] dvd://1
STREAM: Description: DVD stream
STREAM: Author:
STREAM: Comment:
CACHE_PRE_INIT: 0 [0] 0  pre:0  eof:0
Cache fill: 14.72% (1507328 bytes)
Checking for YUV4MPEG2
ASF_check: not ASF guid!
Checking for NuppelVideo
Checking for REAL
Checking for SMJPEG
Searching demuxer type for filename dvd://1 ext: (null)
Checking for Nullsoft Streaming Video
Checking for MOV
Checking for VIVO
header block 1 size: 0
AVS: avs_check_file - attempting to open file dvd://1
AVS: File is too big, aborting...
Checking for PVA
Checking for MPEG-TS...
TRIED UP TO POSITION 69786, FOUND 47, packet_size= 0, SEEMS A TS? 0
Checking for LMLM4 Stream Format
Invalid packet in LMLM4 stream: ch=0 size=1140851708
LMLM4 Stream Format not found
system stream synced at 0xD (0)!
==> Found video stream: 0
DVD Seek! lba=0x1C2E5A  cell=13  packs: 0x1BDF38-0x1C583D
Angle-seek synced by cell/vob IDN search!
==> Found audio stream: 128
==> Found audio stream: 129
==> Found audio stream: 130
==> Found subtitle: 4
==> Found subtitle: 1
==> Found subtitle: 5
==> Found subtitle: 6
==> Found subtitle: 7
==> Found subtitle: 3
DVD Seek! lba=0x385CB4  cell=24  packs: 0x33D3C9-0x385DA9
Angle-seek synced by cell/vob IDN search!
--- END OF CELL !!! ---
MPEG Stream reached EOF
ds_fill_buffer: EOF reached (stream: video)
DVD Seek! lba=0x0  cell=0  packs: 0x0-0x30602
Angle-seek synced by cell/vob IDN search!
MPEG-PS file format detected.
Searching for sequence header... OK!
VIDEO:  MPEG2  720x576  (aspect 3)  25.000 fps  8000.0 kbps (1000.0 kbyte/s)
[V] filefmt:2  fourcc:0x10000002  size:720x576  fps:25.00  ftime:=0.0400
get_path('sub/') -> '/home/davmul/.mplayer/sub/'
get_path('default.sub') -> '/home/davmul/.mplayer/default.sub'
==========================================================================
Opening audio decoder: [liba52] AC3 decoding with liba52
dec_audio: Allocating 3840 bytes for input buffer.
dec_audio: Allocating 6144 + 65536 = 71680 bytes for output buffer.
Using SSE optimized IMDCT transform
AC3: 5.1 (3f+2r+lfe)  48000 Hz  448.0 kbit/s
A52 flags before a52_frame: 0x2A
A52 flags after a52_frame: 0xA
Using MMX optimized resampler
AUDIO: 48000 Hz, 2 ch, s16le, 448.0 kbit/29.17% (ratio: 56000->192000)
Selected audio codec: [a52] afm: liba52 (AC3-liba52)
==========================================================================
X11 opening display: :0.0
vo: X11 color mask:  FFFFFF  (R:FF0000 G:FF00 B:FF)
vo: X11 running at 1024x768 with depth 24 and 32 bpp (":0.0" => local display)
[x11] Detected wm supports NetWM.
[x11] Detected wm supports FULLSCREEN state.
[x11] Detected wm supports ABOVE state.
[x11] Detected wm supports BELOW state.
[x11] Detected wm supports STAYS_ON_TOP state.
[x11] Current fstype setting honours FULLSCREEN STAYS_ON_TOP ABOVE BELOW X 
atoms
Disabling DPMS
DPMSDisable stat: 1
[xv common] Drawing colorkey manually.
[xv common] Using colorkey from Xv (0x0101fe).
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 720 x 576 (preferred colorspace: Mpeg PES)
Trying filter chain: vo
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
SwScale params: -1 x -1 (-1=no scaling)
Trying filter chain: scale vo
The selected video_out device is incompatible with this codec.
Also try adding the scale filter, e.g. -vf spp,scale instead of -vf spp.
VDecoder init failed :(
Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder libmpeg2-v0.4.0b
Selected video codec: [mpeg12] vfm: libmpeg2 (MPEG-1 or 2 (libmpeg2))
==========================================================================
Building audio filter chain for 48000Hz/2ch/s16le -> 0Hz/0ch/??...
[libaf] Adding filter dummy
[dummy] Was reinitialized: 48000Hz/2ch/s16le
[dummy] Was reinitialized: 48000Hz/2ch/s16le
alsa-init: requested format: 48000 Hz, 2 channels, 9
alsa-init: compiled for ALSA-1.0.8
alsa-init: setup for 1/2 channel(s)
alsa-init: 1 soundcard found, using: default
alsa-init: pcm opend in block-mode
alsa-init: chunksize set to 1024
alsa-init: fragcount=16
alsa-init: got buffersize=65536
alsa: 48000 Hz/2 channels/4 bpf/65536 bytes buffer/Signed 16 bit Little Endian
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
AO: Description: ALSA-0.9.x-1.x audio output
AO: Author: Alex Beregszaszi, Zsolt Barat <[email protected]>
AO: Comment: under developement
Building audio filter chain for 48000Hz/2ch/s16le -> 48000Hz/2ch/s16le...
[dummy] Was reinitialized: 48000Hz/2ch/s16le
[dummy] Was reinitialized: 48000Hz/2ch/s16le
Starting playback...
alsa-space: free space = 65536, prepared --
VDec: vo config request - 720 x 576 (preferred colorspace: Planar YV12)
Trying filter chain: vo
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
VO Config (720x576->1024x576,flags=0,'MPlayer',0x32315659)
VO: [xv] 720x576 => 1024x576 Planar YV12
VO: Description: X11/Xv
VO: Author: Gerd Knorr <[email protected]> and others
Xvideo image format: 0x32595559 (YUY2) packed
Xvideo image format: 0x32315659 (YV12) planar
Xvideo image format: 0x30323449 (I420) planar
Xvideo image format: 0x59565955 (UYVY) packed
using Xvideo port 70 for hw scaling
[xv] dx: 0 dy: 0 dw: 1024 dh: 576
*** [vo] Direct Rendering mp_image_t, 720x576x12bpp YUV planar, 622080 bytes
[xv] dx: 0 dy: 0 dw: 1016 dh: 572
*** [vo] Direct Rendering mp_image_t, 720x576x12bpp YUV planar, 622080 bytes
get_path('subfont.ttf') -> '/home/davmul/.mplayer/subfont.ttf' 1 0 28%
New_Face failed. Maybe the font path is wrong.
Please supply the text font file (~/.mplayer/subfont.ttf).
subtitle font: load_sub_face failed.
*** [vo] Direct Rendering mp_image_t, 720x576x12bpp YUV planar, 622080 bytes
Uninit audio filters...-0.012 ct:  0.056 3998/3998 34% 11%  2.8% 2 0 49%
[libaf] Removing filter dummy
uninit audio: liba52
uninit video: libmpeg2
Successfully enabled DPMS
alsa-uninit: pcm closed
vo: uninit ...

Exiting... (Quit)
davmul@brookdale:~$ mplayer -v -ao alsa -channels 2 -vo xmga -dr 
-dvd-device /dev/cdrom dvd://1 -cache 10000
MPlayer dev-CVS--3.3.5 (C) 2000-2005 MPlayer Team
CPU: Intel Celeron 2/Pentium III Coppermine,Geyserville (Family: 6, Stepping: 
3)
Detected cache-line size is 32 bytes
MMX2 supported but disabled
CPUflags:  MMX: 1 MMX2: 0 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 0
Compiled for x86 CPU with extensions: MMX SSE



CommandLine: '-v' '-ao' 'alsa' '-channels' '2' '-vo' 'xmga' '-dr' 
'-dvd-device''/dev/cdrom' 'dvd://1' '-cache' '10000'
init_freetype
get_path('font/font.desc') -> '/home/davmul/.mplayer/font/font.desc'
font: can't open file: /home/davmul/.mplayer/font/font.desc
font: can't open file: /usr/share/mplayer/font/font.desc
Using MMX Optimized OnScreenDisplay
Using Linux hardware RTC timing (1024Hz).
get_path('input.conf') -> '/home/davmul/.mplayer/input.conf'
Can't open input config file /home/davmul/.mplayer/input.conf: No such file or 
directory
Parsing input config file /etc/mplayer/input.conf
Input config file /etc/mplayer/input.conf parsed: 59 binds
Opening joystick device /dev/input/js0
Can't open joystick device /dev/input/js0 : Permission denied
Can't init input joystick
Setting up LIRC support...
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.
get_path('1.conf') -> '/home/davmul/.mplayer/1.conf'
Playing dvd://1.
URL: dvd://1
libdvdread: Using libdvdcss version 1.2.9 for DVD access
Reading disc structure, please wait...
There are 3 titles on this DVD.
There are 23 chapters in this DVD title.
There are 1 angles in this DVD title.

libdvdread: Attempting to retrieve all CSS keys
libdvdread: This can take a _long_ time, please be patient

libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x00000132
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x00000192
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x000002ec
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_02_0.VOB at 0x003860cf
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_02_1.VOB at 0x0038629d
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_03_1.VOB at 0x003862b3
libdvdread: Elapsed time 0
libdvdread: Found 3 VTS's
libdvdread: Elapsed time 0
DVD successfully opened.
[open] audio stream: 0 audio format: ac3 (5.1) language: en aid: 128
[open] audio stream: 1 audio format: ac3 (stereo) language: hu aid: 129
[open] audio stream: 2 audio format: ac3 (stereo) language: pl aid: 130
[open] number of audio channels on disk: 3.
[open] subtitle ( sid ): 0 language: en
[open] subtitle ( sid ): 1 language: en
[open] subtitle ( sid ): 2 language: en
[open] subtitle ( sid ): 3 language: da
[open] subtitle ( sid ): 4 language: fi
[open] subtitle ( sid ): 5 language: hu
[open] subtitle ( sid ): 6 language: no
[open] subtitle ( sid ): 7 language: sv
[open] number of subtitles on disk: 8
DVD start cell: 0  pack: 0x0-0x30602
DVD start=0 end=3693993
STREAM: [null] dvd://1
STREAM: Description: DVD stream
STREAM: Author:
STREAM: Comment:
CACHE_PRE_INIT: 0 [0] 0  pre:0  eof:0
Cache fill: 17.28% (1769472 bytes)
Checking for YUV4MPEG2
ASF_check: not ASF guid!
Checking for NuppelVideo
Checking for REAL
Checking for SMJPEG
Searching demuxer type for filename dvd://1 ext: (null)
Checking for Nullsoft Streaming Video
Checking for MOV
Checking for VIVO
header block 1 size: 0
AVS: avs_check_file - attempting to open file dvd://1
AVS: File is too big, aborting...
Checking for PVA
Checking for MPEG-TS...
TRIED UP TO POSITION 69786, FOUND 47, packet_size= 0, SEEMS A TS? 0
Checking for LMLM4 Stream Format
Invalid packet in LMLM4 stream: ch=0 size=1140851708
LMLM4 Stream Format not found
system stream synced at 0xD (0)!
==> Found video stream: 0
DVD Seek! lba=0x1C2E5A  cell=13  packs: 0x1BDF38-0x1C583D
Angle-seek synced by cell/vob IDN search!
==> Found audio stream: 128
==> Found audio stream: 129
==> Found audio stream: 130
==> Found subtitle: 4
==> Found subtitle: 1
==> Found subtitle: 5
==> Found subtitle: 6
==> Found subtitle: 7
==> Found subtitle: 3
DVD Seek! lba=0x385CB4  cell=24  packs: 0x33D3C9-0x385DA9
Angle-seek synced by cell/vob IDN search!
--- END OF CELL !!! ---
MPEG Stream reached EOF
ds_fill_buffer: EOF reached (stream: video)
DVD Seek! lba=0x0  cell=0  packs: 0x0-0x30602
Angle-seek synced by cell/vob IDN search!
MPEG-PS file format detected.
Searching for sequence header... OK!
VIDEO:  MPEG2  720x576  (aspect 3)  25.000 fps  8000.0 kbps (1000.0 kbyte/s)
[V] filefmt:2  fourcc:0x10000002  size:720x576  fps:25.00  ftime:=0.0400
get_path('sub/') -> '/home/davmul/.mplayer/sub/'
get_path('default.sub') -> '/home/davmul/.mplayer/default.sub'
==========================================================================
Opening audio decoder: [liba52] AC3 decoding with liba52
dec_audio: Allocating 3840 bytes for input buffer.
dec_audio: Allocating 6144 + 65536 = 71680 bytes for output buffer.
Using SSE optimized IMDCT transform
AC3: 5.1 (3f+2r+lfe)  48000 Hz  448.0 kbit/s
A52 flags before a52_frame: 0x2A
A52 flags after a52_frame: 0xA
Using MMX optimized resampler
AUDIO: 48000 Hz, 2 ch, s16le, 448.0 kbit/29.17% (ratio: 56000->192000)
Selected audio codec: [a52] afm: liba52 (AC3-liba52)
==========================================================================
X11 opening display: :0.0
vo: X11 color mask:  FFFFFF  (R:FF0000 G:FF00 B:FF)
vo: X11 running at 1024x768 with depth 24 and 32 bpp (":0.0" => local display)
[x11] Detected wm supports NetWM.
[x11] Detected wm supports FULLSCREEN state.
[x11] Detected wm supports ABOVE state.
[x11] Detected wm supports BELOW state.
[x11] Detected wm supports STAYS_ON_TOP state.
[x11] Current fstype setting honours FULLSCREEN STAYS_ON_TOP ABOVE BELOW X 
atoms
Disabling DPMS
DPMSDisable stat: 1
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 720 x 576 (preferred colorspace: Mpeg PES)
Trying filter chain: vo
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
SwScale params: -1 x -1 (-1=no scaling)
Trying filter chain: scale vo
The selected video_out device is incompatible with this codec.
Also try adding the scale filter, e.g. -vf spp,scale instead of -vf spp.
VDecoder init failed :(
Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder libmpeg2-v0.4.0b
Selected video codec: [mpeg12] vfm: libmpeg2 (MPEG-1 or 2 (libmpeg2))
==========================================================================
Building audio filter chain for 48000Hz/2ch/s16le -> 0Hz/0ch/??...
[libaf] Adding filter dummy
[dummy] Was reinitialized: 48000Hz/2ch/s16le
[dummy] Was reinitialized: 48000Hz/2ch/s16le
alsa-init: requested format: 48000 Hz, 2 channels, 9
alsa-init: compiled for ALSA-1.0.8
alsa-init: setup for 1/2 channel(s)
alsa-init: 1 soundcard found, using: default
alsa-init: pcm opend in block-mode
alsa-init: chunksize set to 1024
alsa-init: fragcount=16
alsa-init: got buffersize=65536
alsa: 48000 Hz/2 channels/4 bpf/65536 bytes buffer/Signed 16 bit Little Endian
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
AO: Description: ALSA-0.9.x-1.x audio output
AO: Author: Alex Beregszaszi, Zsolt Barat <[email protected]>
AO: Comment: under developement
Building audio filter chain for 48000Hz/2ch/s16le -> 48000Hz/2ch/s16le...
[dummy] Was reinitialized: 48000Hz/2ch/s16le
[dummy] Was reinitialized: 48000Hz/2ch/s16le
Starting playback...
alsa-space: free space = 65536, prepared --
VDec: vo config request - 720 x 576 (preferred colorspace: Planar YV12)
Trying filter chain: vo
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
VO Config (720x576->1024x576,flags=0,'MPlayer',0x32315659)
VO: [xmga] 720x576 => 1024x576 Planar YV12
VO: Description: Matrox G200/G4x0/G550 overlay in X11 window 
(using /dev/mga_vid)
VO: Author: Zoltan Ponekker <[email protected]>
[mga] Using 3 buffers.
Using colorkey: ff00
[xmga] x: 0 y: 96 w: 1024 h: 576
[xmga] dcx: 4 dcy: 96 dx: 0 dy: 0 dw: 1024 dh: 576
*** [vo] Allocating mp_image_t, 720x576x12bpp YUV planar, 622080 bytes
[xmga] x: 0 y: 0 w: 1016 h: 572
[xmga] dcx: 4 dcy: 96 dx: 0 dy: 0 dw: 1016 dh: 572
*** [vo] Allocating mp_image_t, 720x576x12bpp YUV planar, 622080 bytes
get_path('subfont.ttf') -> '/home/davmul/.mplayer/subfont.ttf' 1 0 19%
New_Face failed. Maybe the font path is wrong.
Please supply the text font file (~/.mplayer/subfont.ttf).
subtitle font: load_sub_face failed.
*** [vo] Allocating mp_image_t, 720x576x12bpp YUV planar, 622080 bytes
==> Found subtitle: 0: -0.009 ct:  0.053 4126/4126 33% 10%  2.8% 3 0 49%
==> Found subtitle: 2
Uninit audio filters...-0.001 ct:  0.053 4276/4276 34% 10%  2.8% 3 0 49%
[libaf] Removing filter dummy
uninit audio: liba52
uninit video: libmpeg2
vo: uninit!
Successfully enabled DPMS
alsa-uninit: pcm closed
vo: uninit ...

Exiting... (Quit)
davmul@brookdale:~$ 

Thanks Dave