[MPlayer-users] PSNR Questions
Ian
the.pond at dsl.pipex.com
Sat Feb 15 20:34:57 CET 2003
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Ian wrote:
> I might just recreate some figures, but it will have to wait until
> tomorrow as I'm off out now ;)
I cut the output as much as I could . . .
********* First high-quality grab:
==========================================================================
Opening video decoder: [raw] RAW Uncompressed Video
VDec: vo config request - 768 x 576 (preferred csp: Planar YV12)
[PP] Using external postprocessing filter, max q = 6.
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
videocodec: libavcodec (720x540 fourcc=47504a4d [MJPG])
Using constant qscale = 2 (VBR)
Selected video codec: [rawyv12] vfm:raw (RAW YV12)
==========================================================================
audiocodec: framecopy (format=1 chans=1 rate=44100 bits=16 bps=88200
sample=2)
Writing AVI header...
Forcing audio preload to 0, max pts correction to 0
Pos: 120.0s 3001f ( 0%) 25fps Trem: 0min 0mb A-V:0.000 [13959:705]
Writing AVI index...
Fixing AVI header...
Video stream: 13959.409 kbit/s (1744926 bps) size: 209460934 bytes
120.040 secs 3001 frames
Audio stream: 705.600 kbit/s (88200 bps) size: 10584000 bytes
120.000 secs
PSNR: Y:29.83, Cb:44.18, Cr:44.11, All:31.52
*********** 3-stage compression:
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 44100 Hz, 1 ch, 16 bit (0x10), ratio: 88200->88200 (705.6 kbit)
Selected audio codec: [pcm] afm:pcm (Uncompressed PCM)
==========================================================================
MP3 audio selected
Building audio filter chain for 44100Hz/1ch/16bit -> 44100Hz/1ch/16bit...
Writing AVI header...
Pos: 0.9s 22f ( 0%) 0fps Trem: 0min 1mb A-V:0.084 [0:63]
Skipping frame!
Pos: 1.3s 33f ( 1%) 0fps Trem: 0min 1mb A-V:0.081 [0:63]
Skipping frame!
Pos: 120.0s 3001f (100%) 504fps Trem: 0min 0mb A-V:0.012 [0:64]
CBR audio: 8000 bytes/sec, 209 bytes/block
Writing AVI index...
Fixing AVI header...
Recommended video bitrate for 650MB CD: 45375
Recommended video bitrate for 700MB CD: 48872
Recommended video bitrate for 800MB CD: 55865
Recommended video bitrate for 2 x 650MB CD: 90829
Recommended video bitrate for 2 x 700MB CD: 97822
Recommended video bitrate for 2 x 800MB CD: 111807
Video stream: 0.800 kbit/s (100 bps) size: 11996 bytes 119.960
secs 3001 frames
Audio stream: 64.000 kbit/s (8000 bps) size: 963814 bytes 120.477 secs
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
mjpeg: using external huffman table
Selected video codec: [ffmjpeg] vfm:ffmpeg (FFmpeg MJPEG decoder)
==========================================================================
audiocodec: framecopy (format=55 chans=1 rate=44100 bits=0 bps=8000
sample=1)
Writing AVI header...
mjpeg comment: 'FFmpeg0.4.6b4654'
VDec: vo config request - 720 x 540 (preferred csp: Planar YV12)
VDec: using Planar YV12 as output csp (no 3)
Movie-Aspect is undefined - no prescaling applied.
videocodec: libavcodec (720x540 fourcc=58564944 [DIVX])
High quality encoding selected (non real time)!
Pos: 0.9s 22f ( 0%) 8fps Trem: 5min 42mb A-V:0.000 [0:64]
Skipping frame!
Pos: 1.3s 33f ( 1%) 9fps Trem: 5min 33mb A-V:0.000 [2416:64]
Skipping frame!
Pos: 119.7s 3001f (99%) 9fps Trem: 0min 15mb A-V:0.000 [998:64]]
Writing AVI index...
Fixing AVI header...
Video stream: 998.197 kbit/s (124774 bps) size: 14938022 bytes
119.720 secs 3001 frames
Audio stream: 64.000 kbit/s (8000 bps) size: 963814 bytes 120.477 secs
PSNR: Y:36.41, Cb:43.88, Cr:43.81, All:37.79
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
mjpeg: using external huffman table
Selected video codec: [ffmjpeg] vfm:ffmpeg (FFmpeg MJPEG decoder)
==========================================================================
audiocodec: framecopy (format=55 chans=1 rate=44100 bits=0 bps=8000
sample=1)
Writing AVI header...
mjpeg comment: 'FFmpeg0.4.6b4654'
VDec: vo config request - 720 x 540 (preferred csp: Planar YV12)
VDec: using Planar YV12 as output csp (no 3)
Movie-Aspect is undefined - no prescaling applied.
videocodec: libavcodec (720x540 fourcc=58564944 [DIVX])
High quality encoding selected (non real time)!
Pos: 0.9s 22f ( 0%) 9fps Trem: 5min 16mb A-V:0.000 [0:64]
Skipping frame!
Pos: 1.3s 33f ( 1%) 9fps Trem: 5min 16mb A-V:0.000 [1112:64]
Skipping frame!
Pos: 119.7s 3001f (99%) 9fps Trem: 0min 15mb A-V:0.000 [987:64]]
Writing AVI index...
Fixing AVI header...
Video stream: 987.710 kbit/s (123463 bps) size: 14781078 bytes
119.720 secs 3001 frames
Audio stream: 64.000 kbit/s (8000 bps) size: 963814 bytes 120.477 secs
PSNR: Y:36.30, Cb:43.86, Cr:43.78, All:37.69
See what I mean?
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Ian Smith
Worst . . . signature . . . ever !
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