I've been quite happy with ffmpegX, as it has been essential for me for cropping videos, so I have donated to show my appreciation. However I am currently running into a show-stopper. I previously had been recording my screen in OS X 10.6 with quicktime, and then cropping with ffmpegX. But I find that the screen recordings that are made by Quicktime from OS X 10.8 cannot be processed! As in, the processing comes up, and immediately completes yielding a 0 byte file. This happens whether I am running ffmpegX from 10.8 or my old known-to-work copy from 10.6.
Please help with this as I have probably 50 hours of screen recordings I had recorded before I realized this error was happening. (I can provide a small 1MB file that shows this error in practice.)
Thanks
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Example info from the progress app for a file that was recorded with Quicktime on 10.8 (broken):
FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
Mac OSX universal build for ffmpegX
libavutil version: 49.0.0
libavcodec version: 51.9.0
libavformat version: 50.4.0
Sun Apr 28 14:57:43 EDT 2013
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x5597b8]negative ctts, ignoring
Seems that stream 1 comes from film source: 50000.00 (50000/1) -> 30.00 (30/1)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Volumes/M/1/Day2-raw/test.mov':
Duration: 00:00:06.5, start: 0.000000, bitrate: 1560 kb/s
Stream #0.0(und): Audio: aac, 44100 Hz, stereo
Stream #0.1(und), 30.00 fps(r): Video: h264, yuv420p, 1440x900
Codec type mismatch for mapping #0.0 -> #0.0
Example info from the progress app for a file that was recorded with Quicktime on 10.6 (working):
FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
Mac OSX universal build for ffmpegX
libavutil version: 49.0.0
libavcodec version: 51.9.0
libavformat version: 50.4.0
Sun Apr 28 15:17:58 EDT 2013
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x5597b8]negative ctts, ignoring
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Volumes/M/2/Day2-Raw/test.mov':
Duration: 00:00:08.1, start: 0.000000, bitrate: 1548 kb/s
Stream #0.0(und), 15.00 fps(r): Video: h264, yuv420p, 1440x900
Stream #0.1(und): Audio: aac, 44100 Hz, stereo
Output #0, mp4, to '/Volumes/M/2/Day2-Raw/test.mov.ff.mp4':
Stream #0.0, 15.00 fps(c): Video: mpeg4, yuv420p, 1440x900, q=2-9, 7909 kb/s
Stream #0.1: Audio: aac, 48000 Hz, stereo, 96 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
video:2992kB audio:58kB global headers:0kB muxing overhead 28.458613%
bench: utime=2.312s
Encoding completed on Sun Apr 28 15:18:00 EDT 2013
Is the issue that 10.8 seems to record in H264 by default and 10.6 recorded in mpeg4 by default?
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Thread
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Last edited by Jimbo Bob; 28th Apr 2013 at 14:21.
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The issue is that the new version records with audio as stream #0.0 and video as stream #0.1, while the older movie had that the other way around.
To solve this, let ffmpegX know that the first stream isn't video but audio, by setting "Invert stream mapping" in the Audio tab.
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