Pomocou akého príkazu mám spustiť nahrávanie tv vysielania cez mencoder ?
Ď.
tvtime a mencoder
Všichni mněli ruce od krve, jenom já hubu... :)
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mencoder tv:// -tv forceaudio:alsa:driver=v4l2:outfmt=i420:input=2:width=720:height=576:fps=25 -aspect 1.35 -vf pp=lb,crop=680:540 -oac lavc -ovc lavc -lavcopts acodec=ac3:vcodec=mpeg4:vbitrate=2000:v4mv:vhq=4 -of avi -o vystup.avi- toto používam javiliam@viliam-desktop:~$ mencoder tv:// -tv forceaudio:alsa:driver=v4l2:outfmt=i420:input=2:width=720:height=576:fps=25 -aspect 1.35 -vf pp=lb,crop=680:540 -oac lavc -ovc lavc -lavcopts acodec=ac3:vcodec=mpeg4:vbitrate=2000:v4mv:vhq=4 -of avi -o vystup.avi
MEncoder 2:1.0~rc1-0ubuntu9.1 (C) 2000-2006 MPlayer Team
CPU: AMD Duron(tm) Processor (Family: 6, Model: 3, Stepping: 1)
CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 0 SSE2: 0
Compiled with runtime CPU detection.
success: format: 9 data: 0x0 - 0x0
TV file format detected.
Selected driver: v4l2
name: Video 4 Linux 2 input
author: Martin Olschewski <olschewski@zpr.uni-koeln.de>
comment: first try, more to come ;-)
Selected device: BT878 video (AVerMedia TVCaptur
Tuner cap:
Tuner rxs: LANG1 LANG2
Capabilites: video capture video overlay VBI capture device tuner read/write streaming
supported norms: 0 = PAL; 1 = NTSC; 2 = SECAM; 3 = PAL-Nc; 4 = PAL-M; 5 = PAL-N; 6 = NTSC-JP; 7 = PAL-60;
inputs: 0 = Television; 1 = Composite1; 2 = S-Video;
Current input: 2
Current format: YUV420
v4l2: current audio mode is : LANG1
[V] filefmt:9 fourcc:0x30323449 size:720x576 fps:25.00 ftime:=0.0400
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 44100 Hz, 1 ch, s16le, 705.6 kbit/100.00% (ratio: 88200->88200)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
==========================================================================
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
Opening video filter: [crop w=680 h=540]
Crop: 680 x 540, -1 ; -1
Opening video filter: [pp=lb]
==========================================================================
Opening video decoder: [raw] RAW Uncompressed Video
VDec: vo config request - 720 x 576 (preferred colorspace: Planar I420)
[PP] Using external postprocessing filter, max q = 6.
VDec: using Planar I420 as output csp (no 0)
Movie-Aspect is 1.35:1 - prescaling to correct movie aspect.
videocodec: libavcodec (680x540 fourcc=34504d46 [FMP4])
[VE_LAVC] High quality encoding selected (non-realtime)!
Selected video codec: [rawi420] vfm: raw (RAW I420)
==========================================================================
Forcing audio preload to 0, max pts correction to 0.
Writing header...1f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0]
ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
Writing header...
ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
Pos: 0.2s 4f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0]
1 duplicate frame(s)!
Pos: 0.6s 15f ( 0%) 11.31fps Trem: 0min 0mb A-V:0.000 [0:0]
Skipping frame!
Pos: 1.0s 26f ( 0%) 13.61fps Trem: 0min 0mb A-V:0.000 [1782:224]
1 duplicate frame(s)!
Pos: 1.8s 45f ( 0%) 13.74fps Trem: 0min 0mb A-V:0.000 [1022:223]
Skipping frame!
Pos: 13.1s 327f ( 0%) 16.83fps Trem: 0min 0mb A-V:0.000 [178:223]]
Skipping frame!
Pos: 13.7s 344f ( 0%) 16.90fps Trem: 0min 0mb A-V:0.000 [172:223]
1 duplicate frame(s)!
Pos: 14.6s 365f ( 0%) 16.91fps Trem: 0min 0mb A-V:0.000 [164:223]
Skipping frame!
Pos: 15.8s 395f ( 0%) 16.98fps Trem: 0min 0mb A-V:0.000 [154:224]
1 duplicate frame(s)!
Pos: 16.1s 402f ( 0%) 16.99fps Trem: 0min 0mb A-V:0.000 [152:223]
Skipping frame!
Pos: 16.2s 407f ( 0%) 17.02fps Trem: 0min 0mb A-V:0.000 [151:223]
1 duplicate frame(s)!
Pos: 17.3s 433f ( 0%) 17.05fps Trem: 0min 0mb A-V:0.000 [144:224]
Skipping frame!
Pos: 18.0s 451f ( 0%) 17.10fps Trem: 0min 0mb A-V:0.000 [140:223]
1 duplicate frame(s)!
Pos: 24.2s 605f ( 0%) 17.12fps Trem: 0min 0mb A-V:0.000 [115:223]
Flushing video frames
Writing index...
Writing header...
ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
Video stream: 115.210 kbit/s (14401 B/s) size: 348510 bytes 24.200 secs 605 frames
Audio stream: 224.000 kbit/s (27999 B/s) size: 676814 bytes 24.172 secs
v4l2: 882 frames successfully processed, 0 frames dropped.
viliam@viliam-desktop:~$
Niečo ukladať začalo, ale po otvorení to bola iba modrá obrazovka.
Ma napadlo. Netreba nejak nastaviť aj kanál, ktorý má nahrávať?
Specify the frequency to set the tuner to (e.g. 511.250). Not compatible with the channels parameter.