The new patch appears to work, stuff is synchronized, except: - 30 FPS video still seen as 150FPS by VLC - 15 FPS video emits tons of "[vost#0:0/rawvideo @ 000000000269b580] Clipping frame in rate conversion by 0.199989" As for the corrupt samples, been able to find the original sources: - the first is good old Descent - was cut at exactly 2MB - works in FFmpeg - the second is Ridge Racer Type 4 - bad/incomplete extract with a tool that added "RIFF....CDXA" header for whatever reason - does NOT work in FFmpeg, comprised of 38 audio streams + 2 video streams (only decodes some audio then aborts) - but if I extract the relevant section from it, then works in FFmpeg New videos, samples, logs: https://github.com/aybe/FFmpeg-PSX-STR-tests ------ Original Message ------ From "Michael Niedermayer" > To "FFmpeg development discussions and patches" > Date 1/16/2024 12:42:49 AM Subject Re: [FFmpeg-devel] [PATCH 1/4] avcodec/mdec: DC reading for STRv1 is like STRv2 On Mon, Jan 15, 2024 at 04:14:46PM +0000, aybe aybe wrote: Hi! I just tried what you've suggested, using 150 and setting AVPacket->pts using sector MSF as LBA. The results are somewhat mixed: - NTSC video: A/V synchronized but is now seen as 120 FPS by VLC - PAL video: A/V not synchronized anymore but still seen as 25 FPS by VLC can you send the patch for this plus links to one sample for both cases ? id like to take a look thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The greatest way to live with honor in this world is to be what we pretend to be. -- Socrates