I went ahead and submitted a patch https://patchwork.ffmpeg.org/project/ffmpeg/patch/dm6pr08mb60732b5d77656c74c8491c4f85...@dm6pr08mb6073.namprd08.prod.outlook.com/
From: Bryce Newman <[email protected]> Date: Wednesday, December 1, 2021 at 12:48 PM To: FFmpeg user questions <[email protected]> Subject: Re: [EXTERNAL] Re: [FFmpeg-user] QuickTime Movie Header Atom Poster Time Hi, Is there a way I can correlate which version of FFprobe this change the patch might be applied? Thank you. From: ffmpeg-user <[email protected]> on behalf of Gyan Doshi <[email protected]> Date: Tuesday, April 20, 2021 at 10:57 AM To: [email protected] <[email protected]> Subject: [EXTERNAL] Re: [FFmpeg-user] QuickTime Movie Header Atom Poster Time On 2021-04-20 21:52, Bryce Newman wrote: > Hi, > > Using the latest ffprobe version 4.4 I am trying to print the poster time > from the mvhd. Here is the data structure > https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-32947. > > As I see from the code in > https://github.com/FFmpeg/FFmpeg/blob/f40e9b13554d88cbdd6cd2b4a3da2cbea9590f5d/libavformat/mov.c#L1524 > poster time is there, but I am not sure of the ffprobe args that will log > poster time, current time etc to stdout. > > I should note that exiftool does log to stdout the poster time. > i.e. > > exiftool POSTERFRAME_YES_995968260_h1.mov | grep Poster > Poster Time : 7.32 s > > How can I have ffprobe also print out the poster time or all the values in > the mvhd? Nothing is done with that data - it's not exported. I'll send a patch to write many of those fields out as metadata, but I expect that to take some time as many regression unit tests will have to be changed. Regards, Gyan _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe". Bryce Chester Newman | Principal Developer p: +12069255045 |
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