Jacob Meuser wrote: > On Wed, May 10, 2006 at 01:26:59PM +0200, Arnold M?ller wrote: >> Hi all, >> >> we try to convert a 1080i mpeg (form a SONY HDR-FX1) >> to PAL DV. To do so, we did the following steps: >> 1. Grab the video with libiec61883 form the camera >> 2. convert it with ts2ps from Transport Stream to Program Stream >> >> This works so far and we have a wonderfull mpeg: >> >> [EMAIL PROTECTED]:~/transcode> tcprobe -i test.mpg >> [tcprobe] MPEG program stream (PS) >> [tcprobe] summary for test.mpg, (*) = not default, 0 = not detected >> audio track: -a 0 [0] -e 48000,16,2 [48000,16,2] -n 0x50 [0x2000] (*) >> PTS=3025.9200, bitrate=384 kbps >> detected (2) presentation unit(s) (SCR reset) >> [EMAIL PROTECTED]:~/transcode> >> >> Now we start transcode to convert it; as transcode does not recognize >> the input codec, we use -x mplayer (cause mplayer displays the video >> fine). We use transcode 1.0.2 (hopefully) compiled with mplayer >> support (there ist /usr/lib/transcode/import_mplayer.so) and mplayer >> SuSE Linux 10.0 (i686)-Packman-4.0.2 >> both taken from http://packman.links2linux.de/. >> >> According to >> http://www.transcoding.org/cgi-bin/transcode?Import_Modules/Import_Mplayer >> we first find out the settings of the video: >> >> [EMAIL PROTECTED]:~/transcode> mplayer -vo dummy test.mpg 2>&1 |grep -E >> "VIDEO:|AUDIO:" >> VIDEO: MPEG2 1440x1080 (aspect 3) 25.000 fps 25000.0 kbps (3125.0 >> kbyte/s) >> AUDIO: 48000 Hz, 2 ch, s16le, 384.0 kbit/25.00% (ratio: 48000->192000) >> [EMAIL PROTECTED]:~/transcode> >> >> So we start transcode (audio works fine, so we dont do -x >> mplayer,mplayer, only the video shall be rendered by mplayer) >> to encode the first 100 frames: >> >> [EMAIL PROTECTED]:~/transcode> transcode -i test.mpg -o testdv.avi -x >> mplayer -y dv -N 0x1 -Z 720x576 -c 0-100 -f 25 -g 1440x1080 -q 3 >> transcode v1.0.2 (C) 2001-2003 Thomas Oestreich, 2003-2004 T. Bitterberg >> libdvdread: Encrypted DVD support unavailable. >> libdvdread: Can't open file VIDEO_TS.IFO. >> [tcprobe] MPEG program stream (PS) >> SCR=406546928 (406575728) unit=1 @ offset 4517.5081 (sec) >> att0=7, att1=0 >> [transcode] (probe) suggested AV correction -D 5 (200 ms) | AV 239 ms | >> 39 ms >> (probe.c) V magic=0xf3, A magic=0xf3, V codec=0x1000000, A codec=0x50 >> (probe.c) V magic=, A magic=, V codec=MPEG , A codec=MPEG layer-2 >> [transcode] auto-probing source test.mpg (ok) >> [transcode] V: import format | MPEG (V=mplayer|A=mp3) >> 0 frames to 100 frames > > is your audio MP3? Obviously it is (as audio works), but i am also surprised, i thought it was mp2. > >> [transcode] V: AV demux/sync | (0) sync AV at PTS start - demuxer >> disabled >> [transcode] V: import frame | disabled > > this would explain green screen. > > autoprobing doesn't work that great with -x mplayer. it's probably > best to use '-H 0', and then give the video size and frame rate > with -g and -f. this should be better in CVS. > I have just tried transcode with -H 0 -f 25 -g 1440x1080, but now, it stops after 2056 Bytes:
[EMAIL PROTECTED]:~/transcode> transcode -i test.mpg -o testdv.avi -x mplayer -y dv -N 0x1 -Z 720x576 -c 0-100 -H 0 -f 25 -g 1440x1080 -q 3 transcode v1.0.2 (C) 2001-2003 Thomas Oestreich, 2003-2004 T. Bitterberg 0 frames to 100 frames [transcode] V: import frame | 1440x1080 1.33:1 [transcode] V: zoom | 720x576 1.25:1 (Lanczos3) [transcode] V: bits/pixel | 0.174 [transcode] V: decoding fps,frc | 25.000,0 [transcode] V: Y'CbCr | YV12/I420 [transcode] A: import format | 0x2001 AC3/A52 [48000,16,2] [transcode] A: export format | 0x1 PCM [48000,16,2] 1536 kbps [transcode] V: encoding fps,frc | 25.000,3 [transcode] A: bytes per frame | 7680 (7680.000000) [transcode] A: adjustment | [EMAIL PROTECTED] [transcode] V: IA32/AMD64 accel | sse (sse 3dnowext 3dnow mmxext mmx asm C) tc_memcpy: using sse for memcpy [transcode] encoder delay = decode=40000 encode=40000 usec [transcode] V: video buffer | 10 @ 1440x1080 [transcode] allocating 10 framebuffer (static) loading audio import module /usr/lib/transcode/import_mplayer.so loading video import module /usr/lib/transcode/import_mplayer.so [import_mplayer.so] v0.0.5 (2003-03-10) (video) rendered by mplayer | (audio) rendered by mplayer Audio capability flag 0x2b | 0x1 Video capability flag 0x2b | 0x2 loading audio export module /usr/lib/transcode/export_dv.so loading video export module /usr/lib/transcode/export_dv.so [export_dv.so] v0.5 (2003-07-24) (video) Digital Video | (audio) MPEG/AC3/PCM (encoder.c) audio capability flag 0xf | 0x1 (encoder.c) video capability flag 0xf | 0x2 [transcode] starting 1 frame processing thread(s) [transcode] starting 1 frame processing thread(s) [import_mplayer.so] mplayer -hardframedrop -vo null -ao pcm:nowaveheader -ao pcm:file="/tmp/mplayer2transcode-audio.hslGOz" "test.mpg" > /dev/null 2>&1 [import_mplayer.so] mplayer -benchmark -noframedrop -nosound -vo yuv4mpeg "test.mpg" -osdlevel 0 > /dev/null 2>&1 [import_mplayer.so] tcextract -i ./stream.yuv -x yv12 -t yuv4mpeg tc_memcpy: using sse for memcpy (aud_aux.c) Debug: Audio submodule in=0x1 out=0x1 (aud_aux.c) Debug: PCM -> PCM (aud_aux.c) Debug: AVI stream: format=0x1, rate=48000 Hz, bits=16, channels=2, bitrate=1536 (decoder.c) audio thread id=1206447024 (decoder.c) video thread id=1208548272 Didn't get linefeed in first 256 characters of data (decoder.c) video data read failed - end of stream (encoder.c) import closed - buffer empty (V) (encoder.c) encoder closed (decoder.c) import stop requested by client=1076805696 (main=1076805696) import status=0 (decoder.c) video thread already terminated (decoder.c) A/V import canceled (1076805696) (1076805696) (decoder.c) video thread exit (ret_code=0) (status_code=13) (decoder.c) audio thread exit (ret_code=0) (status_code=4294967295) (decoder.c) vframe_list_lock=0 (decoder.c) aframe_list_lock=0 clean up |(frame_threads.c) audio frame processing threads canceled (frame_threads.c) video frame processing threads canceled frame threads |(decoder.c) unloading audio import module (decoder.c) unloading video import module unloading export modules unload modules | cancel signal | internal threads | done [transcode] encoded 0 frames (0 dropped, 0 cloned), clip length 0.00 s [transcode] buffer released [EMAIL PROTECTED]:~/transcode> ls -al insgesamt 1940540 drwxr-xr-x 2 muellera users 104 2006-05-11 12:27 . drwxr-xr-x 44 muellera users 3064 2006-05-11 12:16 .. -rw-r--r-- 1 muellera users 2056 2006-05-11 12:27 testdv.avi -rw-r--r-- 1 muellera users 1985167013 2006-05-10 13:03 test.mpg [EMAIL PROTECTED]:~/transcode> Maybe the problem is "Didn't get linefeed in first 256 characters of data" but how can i coorect this? Regards Arnold
