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Re: [Libquicktime-devel] Could not find video Decoder
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From: Jean-Yves H. <jy...@cs...> - 2020-05-26 16:13:28
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Hi， Thank you very much! I don’t know what I didn’t think of that. I kept looking for stuff in the various Library folders, wondering what could have been removed or disable by a system update, and it never occurred to me that a recent MacPorts update of ffmpeg might be the culprit. It has been a while since I last had to write new code using libquicktime (just rebuilt old demo projects of my computer vision library to make sure that were still running) and I guess I have forgotten the little I ever knew about it. I should take that as a reason to update my old projects to use straight ffmpeg instead. Best, Jean-Yves Hervé. On 26 May 2020 at 04:31:47 , Burkhard Plaum, (bur...@ig...) wrote: Hi, for avc1 decoding you need ffmpeg, but probably an older version since the libquicktime code wasn't updated for a while. There were some fundamental changes in the ffmpeg API since then. Maybe someone wants to upgrade the libacodec frontend. Right now I don't have time to work in libquicktime (and I stopped using it personally a while ago already). Cheers Burkhard ________________________________________ From: Jean-Yves Hervé <jy...@cs...> Sent: Thursday, May 21, 2020 9:42:11 PM To: lib...@li... Subject: [Libquicktime-devel] Could not find video Decoder Greetings, I assume that this list is more or less dead, but just in case it’s only dormant… :-) Sometime in the past 12 months, my projects that were using libquicktime all started displaying the "Could not find video Decoder” message whenever I attempt to play a movie file. This happens for very classical codecs like avc1 or dmb1, all types that I managed to play just fine only a while back (and of course still play in VLC), with no change in my code. I get that message both on mac OS (10.14 Mojave) and Ubuntu Linux (18 through 20). I would assume that I forgot to install something on both platform the last time I reinstalled both systems. On the Mac, I installed libquicktime-dev through MacPorts. Also installing x264 made no change. A pointer to the proper software to install to get my old libquicktime projects to run again would be much appreciated. Otherwise what did you all move too? Straight ffmpeg? Best Regards, jyh. -- ==================================================================== jean-yves hervé /\ 3D Group for Interactive Visualization \/ Mail --> jy...@cs... Dept. of Computer Science and Statistics /\ University of Rhode Island \/ Tel. --> (401) 874-2701 Kingston, RI 02881-0816 /\ Fax. --> (401) 874-4617 USA \/ ==================================================================== _______________________________________________ Libquicktime-devel mailing list Lib...@li... https://lists.sourceforge.net/lists/listinfo/libquicktime-devel -- ==================================================================== jean-yves hervé /\ 3D Group for Interactive Visualization \/ Mail --> jy...@cs... Dept. of Computer Science and Statistics /\ University of Rhode Island \/ Tel. --> (401) 874-2701 Kingston, RI 02881-0816 /\ Fax. --> (401) 874-4617 USA \/ ==================================================================== |
