[MPlayer-users] vop not coded

[Kichigai Mentat]

Hi. I'm trying to play a video file, but I'm getting jerky video on my  
system (1.07 GHz iBook G4, 256 MB RAM). I get the following error  
during playback, but the file keeps playing:

vop not coded 0.3 A-V:  0.533 ct:  0.028    8/  8   0%  0%  0.0% 7 0 0%

It's the "vop not coded" part I don't understand. After that, I know  
what's going on. It appears for quite a number of lines, at an almost  
frame-to-frame interval, as best as I can guess. Below is the -V  
output:

Tenshi:~/Movies ivan$ mplayer -V battlestar\ galactica\ -\ 102\ -\  
water.avi
MPlayer dev-CVS-030914-12:11-3.1 (C) 2000-2003 MPlayer Team

AltiVec found
Reading config file /usr/local/etc/mplayer/mplayer.conf: No such file  
or directory
Reading config file /Users/ivan/.mplayer/config
Reading /Users/ivan/.mplayer/codecs.conf: Can't open  
'/Users/ivan/.mplayer/codecs.conf': No such file or directory
Reading /usr/local/etc/mplayer/codecs.conf: Can't open  
'/usr/local/etc/mplayer/codecs.conf': No such file or directory
Using built-in default codecs.conf
CommandLine: '-V' 'battlestar galactica - 102 - water.avi'
get_path('font/font.desc') -> '/Users/ivan/.mplayer/font/font.desc'
font: can't open file: /Users/ivan/.mplayer/font/font.desc
Font /usr/local/share/mplayer/font/font.desc loaded successfully! (206  
chars)
Using Unoptimized OnScreenDisplay
Using usleep() timing
get_path('input.conf') -> '/Users/ivan/.mplayer/input.conf'
Can't open input config file /Users/ivan/.mplayer/input.conf: No such  
file or directory
Can't open input config file /usr/local/etc/mplayer/input.conf: No such  
file or directory
Falling back on default (hardcoded) input config
get_path('battlestar galactica - 102 - water.avi.conf') ->  
'/Users/ivan/.mplayer/battlestar galactica - 102 - water.avi.conf'

Playing battlestar galactica - 102 - water.avi
[file] File size is 368402432 bytes
STREAM: [file] battlestar galactica - 102 - water.avi
STREAM: Description: File
STREAM: Author: Albeu
STREAM: Comment: based on the code from ??? (probably Arpi)
AVI file format detected.
list_end=0x2292
======= AVI Header =======
us/frame: 40000  (fps=25.000)
max bytes/sec: 0
padding: 0
MainAVIHeader.dwFlags: (272) HAS_INDEX IS_INTERLEAVED
frames  total: 62810   initial: 0
streams: 2
Suggested BufferSize: 0
Size:  640 x 352
==========================
list_end=0x10F4
==> Found video stream: 0
====== STREAM Header =====
Type: sdiv   FCC: divx (64697678)
Flags: 0
Priority: 0   Language: 0
InitialFrames: 0
Rate: 25000/1000 = 25.000
Start: 0   Len: 62810
Suggested BufferSize: 86951
Quality 10000
Sample size: 0
==========================
found 'bih', 40 bytes of 40
======= VIDEO Format ======
   biSize 40
   biWidth 640
   biHeight 352
   biPlanes 1
   biBitCount 16
   biCompression 1145656920='DIVX'
   biSizeImage 1351680
===========================
list_end=0x2186
==> Found audio stream: 1
====== STREAM Header =====
Type: sdua   FCC:  (0)
Flags: 0
Priority: 0   Language: 0
InitialFrames: 1
Rate: 48000/1152 = 41.667
Start: 0   Len: 104683
Suggested BufferSize: 768
Quality -1
Sample size: 0
==========================
found 'wf', 30 bytes of 18
======= WAVE Format =======
Format Tag: 85 (0x55)
Channels: 2
Samplerate: 48000
avg byte/sec: 16046
Block align: 1152
bits/sample: 0
cbSize: 12
mp3.wID=256
mp3.fdwFlags=0x2000000
mp3.nBlockSize=33025
mp3.nFramesPerBlock=256
mp3.nCodecDelay=0
===========================
list_end=0x2292
list_end=0x22B6
hdr=Software  size=15
Software  : Nandub v1.0rc2
Broken chunk?  chunksize=1346  (id=KNUJ)
list_end=0x15CC75A0
Found movie at 0x280C - 0x15CC75A0
Reading INDEX block, 167493 chunks for 62810 frames (fpos=0x0)
AVI index offset: 0x2808 (movi=0x280C idx0=0x4 idx1=0x15C)
Auto-selected AVI audio ID = 1
Auto-selected AVI video ID = 0
AVI: Searching for audio stream (id:1)
AVI video size=324035680 (62810) audio size=40314864 (104683)
VIDEO:  [DIVX]  640x352  16bpp  25.000 fps  1031.8 kbps (126.0 kbyte/s)
[V] filefmt:3  fourcc:0x44495658  size:640x352  fps:25.00  ftime:=0.0400
Clip info:
  Software: Nandub v1.0rc2
get_path('sub/') -> '/Users/ivan/.mplayer/sub/'
get_path('default.sub') -> '/Users/ivan/.mplayer/default.sub'
======================================================================== 
==
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
dec_audio: Allocating 4608 + 65536 = 70144 bytes for output buffer
mp3lib: using generic C decore!
MP3lib: init layer2&3 finished, tables done
MPEG 1.0, Layer III, 48000 Hz 128 kbit Joint-Stereo, BPF: 384
Channels: 2, copyright: No, original: Yes, CRC: Yes, emphasis: 0
AUDIO: 48000 Hz, 2 ch, 16 bit (0x20), ratio: 16000->192000 (128.0 kbit)
Selected audio codec: [mp3] afm:mp3lib (mp3lib MPEG layer-2, layer-3)
======================================================================== 
==
SDL: Using driver: Quartz
======================================================================== 
==
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
INFO: libavcodec init OK!
Selected video codec: [ffodivx] vfm:ffmpeg (FFmpeg MPEG-4)
======================================================================== 
==
Checking audio filter chain for 48000Hz/2ch/16bit ->  
48000Hz/2ch/16bit...
[libaf] Adding filter dummy
[dummy] Was reinitialized, rate=48000Hz, nch = 2, format = 0x00000000  
and bps = 2
AF_pre: af format: 2 bps, 2 ch, 48000 hz, big endian signed int
AF_pre: 48000Hz 2ch Signed 16-bit (Big-Endian)
AO: [macosx] hardware format...
AO: [macosx] 44100.000000 mSampleRate
AO: [macosx]  lpcm mFormatID
AO: [macosx]     8 mBytesPerPacket
AO: [macosx]     1 mFramesPerPacket
AO: [macosx]     8 mBytesPerFrame
AO: [macosx]     2 mChannelsPerFrame
AO: [macosx]  4096 ao->buffer_len
AO: [macosx] Resampling not supported yet.
SDL: Samplerate: 48000Hz Channels: Stereo Format Signed 16-bit  
(Big-Endian)
SDL: buf size = 4096
AO: [sdl] 48000Hz 2ch Signed 16-bit (Big-Endian) (2 bps)
AO: Description: SDLlib audio output
AO: Author: Felix Buenemann <atmosfear at users.sourceforge.net>
Building audio filter chain for 48000Hz/2ch/16bit ->  
48000Hz/2ch/16bit...
[dummy] Was reinitialized, rate=48000Hz, nch = 2, format = 0x00000000  
and bps = 2
[dummy] Was reinitialized, rate=48000Hz, nch = 2, format = 0x00000000  
and bps = 2
Starting playback...
[ffmpeg] aspect_ratio: 1.818182
VDec: vo config request - 640 x 352 (preferred csp: Planar YV12)
Trying filter chain: vo
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.82:1 - prescaling to correct movie aspect.
VO Config (640x352->640x352,flags=0,'MPlayer',0x32315659)
VO: [sdl] 640x352 => 640x352 Planar YV12
VO: Description: SDL YUV/RGB/BGR renderer (SDL v1.1.7+ only!)
VO: Author: Ryan C. Gordon <icculus at lokigames.com>, Felix Buenemann  
<atmosfear at users.sourceforge.net>
SDL: Using 0x32315659 (Planar YV12) image format
SDL: using hardware-surface
SDL: setting windowed mode
*** [vo] Allocating (slices) mp_image_t, 640x352x12bpp YUV planar,  
337920 bytes
XXX initial  v_pts=0.000  a_pos=7632 (0.476) /  1   0%  0%  0.0% 0 0 0%
frame skip 8
frame skip 8  0.0 A-V:  0.301 ct:  0.004    2/  2   0%  0%  0.0% 1 0 0%
*** [vo] Allocating (slices) mp_image_t, 640x352x12bpp YUV planar,  
337920 bytes
*** [vo] Allocating (slices) mp_image_t, 640x352x12bpp YUV planar,  
337920 bytes
vop not coded 0.2 A-V:  0.547 ct:  0.016    5/  5   0%  0%  0.0% 4 0 0%
vop not coded 0.3 A-V:  0.533 ct:  0.028    8/  8   0%  0%  0.0% 7 0 0%
vop not coded 0.4 A-V:  0.648 ct:  0.040   11/ 11   0%  0%  0.0% 9 0 0%
vop not coded 0.5 A-V:  0.571 ct:  0.052   14/ 14  112% 128% 12.4% 12 0  
0%
vop not coded 0.6 A-V:  0.493 ct:  0.064   17/ 17  93% 109% 10.6% 15 0  
0%%
vop not coded 0.8 A-V:  0.413 ct:  0.076   20/ 20  80% 94%  9.0% 18 0  
0%%
vop not coded 0.9 A-V:  0.339 ct:  0.088   23/ 23  70% 83%  8.0% 20 0 0%
vop not coded 1.0 A-V:  0.304 ct:  0.100   26/ 26  62% 79%  7.1% 23 0 0%
vop not coded 1.1 A-V:  0.312 ct:  0.112   29/ 29  56% 81%  6.7% 25 0 0%
vop not coded 1.2 A-V:  0.235 ct:  0.124   32/ 32  51% 74%  6.2% 28 0 0%
vop not coded 1.4 A-V:  0.307 ct:  0.136   35/ 35  48% 80%  6.8% 30 0 0%
Uninit audio filters... 0.504 ct:  0.144   37/ 37  45% 76% 25.5% 32 0 0%
[libaf] Removing filter dummy
uninit audio: mp3lib
uninit video: ffmpeg
DEMUXER: freeing demuxer at 0x2025400
SDL: Audio Subsystem shutting down!

Exiting... (Quit)

I wouldn't be quite so alarmed, except that the file plays perfectly  
fine on my XBox (MPlayer in XBox Media Center), which runs off of a  
Intel Celeron 733, which eliminates processing power as a question.  
Data rate is also ruled out. This file streams off of my server to the  
XBox at a maximum speed of about 500-700 KBytes/sec while it's playing  
from the hard disk of my iBook. The file plays mostly smooth in  
QuickTime with a few compression artifacts showing up here and there  
from dropped B frames (or that's what it looks like). Any ideas?

"The real problem with hunting elephants is carrying the decoys."
(fortune spew)
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