Hi Richard. I'm surprised you are still having problems; mine works fine using Raffaela's code. Have you tried using ffmpeg and which version of Cinelerra. I'm using 2.2CV on Ubuntu 11.04. Adding -sameq to the code may help.
I'm something of a newcomer myself so can't offer much more advice. Cheers, Oliver On Tue, 2012-08-28 at 22:14 +0200, Richard Rasker wrote: > As I'm still stuck: > > Does anyone have an idea how I can get my 50 fps HD .mts files in a > format that can actually play or render in Cinelerra? I tried playing > around with some of the parameters in Raffaella's CLI code (see below), > but I got no usable result. > > Perhaps I should put a few seconds of this HD format online? > > I feel I'm really close to a smooth HD MTS-to-Cinelerra workflow, but > somehow I keep stumbling at the last hurdle ... > > TIA, best regards, > > Richard Rasker > > > Op zaterdag 18-08-2012 om 19:13 uur [tijdzone +0200], schreef Richard > Rasker: > > Op donderdag 16-08-2012 om 04:49 uur [tijdzone +0100], schreef oliver > > lynton: > > > Hi Richard. > > > > > > I have been using Raffaella's excellent code at > > > http://www.g-raffa.eu/Cinelerra/HOWTO/get_media_ready.html#_how_to_convert_your_hd_original_files_to_dnxhd > > > which outputs AVID DNxHD video and RAW 16-bit PCM audio in a .mov > > > container. High quality and ready for Cinelerra. > > > > Hmm, I tried this, and indeed I get something out. Here's the command > > line output from the ffmpeg (or actually avconv) command: > > > > $ avconv -i my_file.mts -b 185M -s 1920x1080 -vcodec dnxhd -acodec > > pcm_s16le my_file.mov > > > > avconv version 0.8.3-4:0.8.3-0ubuntu0.12.04.1, Copyright (c) 2000-2012 > > the Libav developers > > built on Jun 12 2012 16:52:09 with gcc 4.6.3 > > Input #0, mpegts, from 'my_file.mts': > > Duration: 00:00:19.27, start: 1.000033, bitrate: 16241 kb/s > > Program 1 > > Stream #0.0[0x1011]: Video: h264 (High), yuv420p, 1920x1080 [PAR 1:1 > > DAR 16:9], 50 fps, 50 tbr, 90k tbn, 50 tbc > > Stream #0.1[0x1100]: Audio: ac3, 48000 Hz, stereo, s16, 256 kb/s > > Stream #0.2[0x1200]: Subtitle: pgssub > > Incompatible pixel format 'yuv420p' for codec 'dnxhd', auto-selecting > > format 'yuv422p' > > [buffer @ 0x19173e0] w:1920 h:1080 pixfmt:yuv420p > > [avsink @ 0x18fb460] auto-inserting filter 'auto-inserted scaler 0' > > between the filter 'src' and the filter 'out' > > [scale @ 0x18f8d60] w:1920 h:1080 fmt:yuv420p -> w:1920 h:1080 > > fmt:yuv422p flags:0x4 > > Output #0, mov, to 'my_file.mov': > > Metadata: > > encoder : Lavf53.21.0 > > Stream #0.0: Video: dnxhd, yuv422p, 1920x1080 [PAR 1:1 DAR 16:9], > > q=2-31, 185000 kb/s, 50 tbn, 50 tbc > > Stream #0.1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s > > Stream mapping: > > Stream #0:0 -> #0:0 (h264 -> dnxhd) > > Stream #0:1 -> #0:1 (ac3 -> pcm_s16le) > > Press ctrl-c to stop encoding > > [... encoding information ...] > > frame= 962 fps= 35 q=1.0 Lsize= 865571kB time=19.24 > > bitrate=368542.7kbits/s dup=481 drop=0 > > video:861952kB audio:3612kB global headers:0kB muxing overhead 0.000855% > > > > (I get identical results when I use WinFF, except for a message that > > ffmpeg is deprecated, so the CLI command is correct.) > > > > BUT: > > - The resulting .mov file is huge, as in: 22 times bigger than the > > original .mts file. The original 19-second long clip my_file.mts is 38MB > > in size, whereas my_file.mov is 846MB -- which boils down to a video > > data rate of 44MBps. Am I correct in surmising that this later is fully > > uncompressed HD? > > > > - When I load the result (my_file.mov) in Cinelerra, something strange > > happens: on the first track, I get the video data (my_file.mov #1), > > below which I see a silent sound track (also named my_file.mov #1), > > followed (on the same track) by another silent block named my_file.mov > > #3, and below that is yet another silent sound track called my_file.mov > > #2. Also see this screen shot: > > http://www.linetec.nl/linux/cin_dnxhd.png > > Why do I see this third audio track? > > > > - When I try to play this in Cinelerra, things go badly wrong: playback > > is choppy, there's no sound, and the whole thing screeches to a halt > > just before the cursor reaches end of the part my_file.mov #3. At this > > point, CPU load soars, and the computer becomes quite unresponsive. > > > > - The .mov file won't play properly in any other player either (VLC, > > KMplayer etc.). > > > > So the question is: what am I doing wrong? Is the .mov file suitable for > > rendering only, based on the editing list of a lower-quality proxy file > > (I haven't actually tried this yet)? Or could it have to do with the > > fact that the .mts file has 50 fps instead of 25 fps? Does it have > > something to do with the 'Incompatible pixel format' mentioned in the > > output? Or should I try building the latest Cinelerra-CV first and see > > if that will handle the .mov file correctly? > > > > Any insights are welcome! > > > > Best regards, > > > > Richard Rasker > > > _______________________________________________ > Cinelerra mailing list > [email protected] > https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra _______________________________________________ Cinelerra mailing list [email protected] https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
