Andrew, I am in the process of testing many variations now. I hope to be able to create an AppImage later today for user to test also. Thanks, Phyllis
On Mon, Jun 14, 2021 at 11:41 AM Andrew Randrianasulu via Cin < [email protected]> wrote: > See updated patch. > > I tried few more fps choices - some work, but say 72/144 fps still do not > work with mpeg2 .. :/ > > > > On Monday, June 14, 2021, Andrew Randrianasulu <[email protected]> > wrote: > >> Ah, no - 23.97 and 59.94 fps/mpeg2 were broken! >> >> But with attached patch the seems to work again, as well as 100 fps >> mp4/x264 encoding (also tried mov) >> >> Can you test as much as possible various (long!) films / videos for >> desync problem? >> >> I also can try and add few more fps choices in this menu... >> >> On Monday, June 14, 2021, Andrew Randrianasulu <[email protected]> >> wrote: >> >>> >>> >>> On Monday, June 14, 2021, gorge rankin via Cin < >>> [email protected]> wrote: >>> >>>> Hello, >>>> >>>> I cannot seem to figure out how to render video over 60FPS. >>>> >>> >>> >>> Yes, i can confirm this bug.. Just set project/timeline to 100 fps and >>> got this.. >>> After inspecting cinelerram/ffmpeg.C I tried few things, but working one >>> was just replacing this check_framerate function with std. function from >>> libavcodec: >>> >>> >>> https://ffmpeg.org/doxygen/3.2/group__lavu__math__rational.html#ga7dfd5ba1eb1edf5845ac32b338de9e76 >>> >>> AVRational FFMPEG::to_sample_aspect_ratio(Asset *asset) >>> @@ -2917,7 +2919,8 @@ int FFMPEG::open_encoder(const char *type, const >>> char *spec) >>> int mask_h = (1<<desc->log2_chroma_h)-1; >>> ctx->height = (vid->height+mask_h) & ~mask_h; >>> ctx->sample_aspect_ratio = >>> to_sample_aspect_ratio(asset); >>> - AVRational frame_rate = check_frame_rate(codec->supported_framerates, >>> vid->frame_rate); >>> + //AVRational frame_rate = >>> check_frame_rate(codec->supported_framerates, vid->frame_rate); >>> + AVRational frame_rate = av_d2q(vid->frame_rate, 1000); >>> if( !frame_rate.num || !frame_rate.den ) { >>> eprintf(_("check_frame_rate failed >>> %s\n"), filename); >>> ret = 1; >>> I tested 29.97 encoding and 100 and 1000 fps encoding - they come out >>> correctly, according to ffprobe/mediainfo. >>> >>> Not sure why such strange convolved method of checking framerate was >>> choosen... Only mpeg1/2 in ffmpeg-4.4 set those .supported->framerates >>> arrays.. (grep supported_framerates libavcodec/*.c) >>> >>> >>> $ grep supported_framerates thirdparty/ffmpeg-4.4/libavcodec/*.c >>> thirdparty/ffmpeg-4.4/libavcodec/mpeg12enc.c: .supported_framerates = >>> ff_mpeg12_frame_rate_tab + 1, >>> thirdparty/ffmpeg-4.4/libavcodec/mpeg12enc.c: .supported_framerates = >>> ff_mpeg2_frame_rate_tab, >>> $ >>> >>> In theory this fix should also 'fix' high-fps proxies with mpeg2 >>> (non-standart stream, but only ffmpeg supposed to read it..) Just checked >>> ffmpeg/mpeg type and it works.... >>> >>> >>> >>> >>>> I can do 60 FPS and below with no issue. Everything is rock solid >>>> stable and very performant. >>>> >>>> I am using Cin gg latest on Ubuntu. >>>> >>>> My source video is 2560x1440 at 90FPS. >>>> >>>> What I've been doing: >>>> - start new project >>>> - Settings -> Format, manually type 90.000 in "Frame Rate". Ensure >>>> that 2560 and 1440 are in Width and Height accordingly. Then I click >>>> apply, then click OK. >>>> - load my file through resources. right click on thumb of my video in >>>> resources, and choose "match all". >>>> >>>> Then when I render my project with "File Format" of "FFMPEG" and "type" >>>> of "mp4" I get these error message windows/errors: >>>> >>>> One error window with: >>>> ------------ >>>> "Couldn't open /path/to/outfile.mp4" >>>> ------------ >>>> >>>> and another window titled "Cinelerra: Messages" with this in it: >>>> -------------- >>>> int FFMPEG:open_encoder(const char*, const char*): >>>> check_frame_rate failed /path/to/outfile.mp4 >>>> --------- >>>> >>>> >>>> Am I doing something wrong? >>>> >>>> Thank you in advance. >>>> >>>> >>>> >>>> -- > Cin mailing list > [email protected] > https://lists.cinelerra-gg.org/mailman/listinfo/cin >
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