On Sun, May 3, 2009 at 3:06 PM, Dan Dennedy <[email protected]> wrote: > On Sun, May 3, 2009 at 1:36 PM, sean darcy <[email protected]> wrote: >> We have two issues - the seg faults only happen if I'm ssh'ing from my > > Please don't tell me you are trying to edit HD video on a X session > forwarded over ssh. > >> portable. Why it doesn't happen if I'm playing the .mts clip is really >> strange. >> >> But even on the server, the two converted clips don't play well. > > What does 'on the server' mean? > >> So I got canon-hf-100-1080p-psf.mts from >> http://www.kdenlive.org/video-editor/canon-eos-5d-markii >> >> Then converted them as follows: >> >> ffmpeg -i canon-hf-100-1080p-psf.mts -s 1920x1080 -r ntsc -b 220000k >> -threads 0 -vcodec dnxhd -acodec copy dnxdh.mov >> >> Input #0, mpegts, from 'canon-hf-100-1080p-psf.mts': >> Duration: 00:00:45.12, start: 0.820067, bitrate: 15789 kb/s >> Program 1 >> Stream #0.0[0x1011]: Video: h264, yuv420p, 1920x1080 [PAR 1:1 DAR >> 16:9], 50 tbr, 90k tbn, 50 tbc > > This is a 50Hz video stream, so you probably should use '-r pal' when > converting them. I used -r pal in my test. > >> Stream #0.1[0x1100]: Audio: ac3, 48000 Hz, stereo, s16, 256 kb/s >> Output #0, mov, to 'dnxdh.mov': >> Stream #0.0: Video: dnxhd, yuv422p, 1920x1080 [PAR 1:1 DAR 16:9], >> q=2-31, 220000 kb/s, 30k tbn, 29.97 tbc >> Stream #0.1: Audio: ac3, 48000 Hz, stereo, s16, 256 kb/s >> Stream mapping: >> Stream #0.0 -> #0.0 >> Stream #0.1 -> #0.1 >> Press [q] to stop encoding >> [h264 @ 0x234f2b0]missing picture in access unit7.20 >> bitrate=220236.6kbits/s >> frame= 1125 fps= 26 q=1.0 Lsize= 1009421kB time=37.54 >> bitrate=220291.1kbits/s >> video:1008000kB audio:1410kB global headers:0kB muxing overhead 0.001110% >> >> and: >> >> ffmpeg -i canon-hf-100-1080p-psf.mts -s 1920x1080 -r ntsc -b 220000k >> -threads 0 -vcodec rawvideo -acodec copy rawvideo.avi >> >> Input #0, mpegts, from 'canon-hf-100-1080p-psf.mts': >> Duration: 00:00:45.12, start: 0.820067, bitrate: 15789 kb/s >> Program 1 >> Stream #0.0[0x1011]: Video: h264, yuv420p, 1920x1080 [PAR 1:1 DAR >> 16:9], 50 tbr, 90k tbn, 50 tbc >> Stream #0.1[0x1100]: Audio: ac3, 48000 Hz, stereo, s16, 256 kb/s >> Output #0, avi, to 'rawvideo.avi': >> Stream #0.0: Video: rawvideo, yuv420p, 1920x1080 [PAR 1:1 DAR >> 16:9], q=2-31, 220000 kb/s, 29.97 tbn, 29.97 tbc >> Stream #0.1: Audio: ac3, 48000 Hz, stereo, s16, 256 kb/s >> Stream mapping: >> Stream #0.0 -> #0.0 >> Stream #0.1 -> #0.1 >> Press [q] to stop encoding >> [h264 @ 0x15ed2b0]missing picture in access unit7.37 >> bitrate=746018.0kbits/s >> frame= 1125 fps= 17 q=0.0 Lsize= 3418658kB time=37.54 >> bitrate=746071.2kbits/s >> video:3417188kB audio:1410kB global headers:0kB muxing overhead 0.001776% >> >> As before, kdenlive has now problem playing in clip monitor the original >> .mts file. > > I assume you meant "no" instead of "now." > >> The dnxdh.mov file plays as flat gray - no figures, no motion. Just >> gray. FWIW, mplayer won't play it either. > > It works for me in ffplay, inigo, and kdenlive using the same source > file canon-hf-100-1080p-psf.mts and converted in the same manner. I > originally developed and tested this dnxhd conversion routine using > some other AVCHD on my Ubuntu 9.04 system at work. Then, I tried with > this canon hf100 sample at home using my Arch Linux workstation. Both > worked fine and with different versions of ffmpeg on each. I am using > FFmpeg SVN-r17923 on my Arch Linux box.
Also just tested successfully with FFmpeg SVN r17744 on my MacBook Pro running 64bit Arch Linux. I have a tweak pending in MLT to improve the performance of seeking on dnxhd. -- +-DRD-+ ------------------------------------------------------------------------------ Register Now & Save for Velocity, the Web Performance & Operations Conference from O'Reilly Media. Velocity features a full day of expert-led, hands-on workshops and two days of sessions from industry leaders in dedicated Performance & Operations tracks. Use code vel09scf and Save an extra 15% before 5/3. http://p.sf.net/sfu/velocityconf _______________________________________________ Kdenlive-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/kdenlive-devel
