Re: [FFmpeg-devel] Westwood VQA3 demuxer additions

2021-09-21 Thread Pekka Väänänen
Thanks for the quick reply. > It's fine, but you do want to use ffio_ensure_seekback() to guarantee > success, preferably calling it at just the moment the stream is at the > position you're planning on rewinding back to. I realized that ffio_ensure_seekback() won't be enough because the seek

Re: [FFmpeg-devel] Westwood VQA3 demuxer additions

2021-09-20 Thread Lynne
Sep 20, 2021, 20:43 by "Pekka Väänänen" : > Greetings! > > This small patch is required for high color 15-bit Westwood VQA3 videos > to be decoded properly. It just saves an offset of a VQFL chunk when it > sees one and then concatenates it with the packet of a later VQFR chunk > that contains ful

[FFmpeg-devel] Westwood VQA3 demuxer additions

2021-09-20 Thread Pekka Väänänen
Greetings! This small patch is required for high color 15-bit Westwood VQA3 videos to be decoded properly. It just saves an offset of a VQFL chunk when it sees one and then concatenates it with the packet of a later VQFR chunk that contains full frame data. This way the (yet-to-be-merged) VQA3 dec