On Wed, May 14, 2025 at 10:59 AM Paul B Mahol <one...@gmail.com> wrote: > > > > On Wed, May 14, 2025 at 4:27 AM Andrew Randrianasulu > <randrianas...@gmail.com> wrote: >> >> On Sat, May 10, 2025 at 11:14 AM Andrew Randrianasulu >> <randrianas...@gmail.com> wrote: >> > >> > On Sat, May 10, 2025 at 9:05 AM Paul B Mahol <one...@gmail.com> wrote: >> > > >> > > >> > > >> > > On Fri, May 9, 2025 at 11:38 PM Andrew Randrianasulu >> > > <randrianas...@gmail.com> wrote: >> > >> >> > >> I was looking at why our application (cinelerra-gg) crashed at trying >> > >> to use libplacebo >> > >> >> > >> I found that libplacebo defines itself >> > >> >> > >> https://ffmpeg.org/doxygen/7.0/vf__libplacebo_8c.html >> > >> >> > >> as >> > >> >> > >> .flags = AVFILTER_FLAG_HWDEVICE | AVFILTER_FLAG_DYNAMIC_INPUTS, >> > >> >> > >> so only output pad is defined, as far as I can see: >> > >> >> > >> static const AVFilterPad libplacebo_outputs[] = { >> > >> { >> > >> .name = "default", >> > >> .type = AVMEDIA_TYPE_VIDEO, >> > >> .config_props = &libplacebo_config_output, >> > >> }, >> > >> }; >> > >> >> > >> >> > >> >> > >> then when our code calls >> > >> >> > >> avfilter_pad_get_type() >> > > >> > > >> > > You need to call it only after filtergraph have been configured, not >> > > before because in such cases number of output pads may be 0 before >> > > configuration. >> > > In any case you need to check current number of input pads and output >> > > pads for each filter before trying to access them. >> > > >> > >> > Thanks. Attached patch makes this crash go away, just 32-bit cingg >> > can't cope with 4k frames filtering en-masse :) >> >> Sadly wtch ffmpeg.git patch does not work anymore. >> >> I tried to use >> >> int nb_pads = avfilter_filter_pad_count(filter,0); > > > input pads != output pads
well, sure, but I thought after you create filtergraph filters inside it will know, um, their ins and outs ? > >> >> >> but this one apparently crashes when I try zscale :( >> >> while may be zscale was just not compiled in? >> >> I'll retry with some more env. options. >> >> On the plus side ffmpeg.git + radv + h264 video = it mostly works. >> Some vids still crash us ... >> >> >> > >> > Andrea, can you test attached patch + this opts file put alongside >> > test 4k HDR video decodable by hardware? >> > >> > >> > >> > > >> > >> >> > >> >> > >> it promptly crashes. >> > >> >> > >> BC_Signals::dump_stack >> > >> cin() [0x8b2c9e2] >> > >> linux-gate.so.1(__kernel_rt_sigreturn+0) [0xf7fb8590] >> > >> cin(avfilter_pad_get_type+0x14) [0x99266a4] >> > >> cin(_ZN13FFVideoStream13create_filterEPKc+0xbc) [0x865669c] >> > >> cin(_ZN6FFMPEG12open_decoderEv+0x80f) [0x865732f] >> > >> cin(_ZN10FileFFMPEG9check_sigEP5Asset+0x81) [0x8670071] >> > >> cin(_ZN4File5probeEv+0x376) [0x867cd86] >> > >> cin(_ZN4File9open_fileEP11PreferencesP5Assetii+0x378) [0x867d628] >> > >> cin(_ZN7MWindow14load_filenamesEP9ArrayListIPcEiii+0x250) [0x87301f0] >> > >> cin(_ZN17CommandLineThread3runEv+0x53) [0x86e2cd3] >> > >> cin(_ZN6Thread10entrypointEPv+0x41) [0x8b70c11] >> > >> /lib/libpthread.so.0(+0x7328) [0xf7df9328] >> > >> /lib/libc.so.6(clone+0x66) [0xf0373f06] >> > >> >> > >> >> > >> >> > >> We still hope to get libplacebo's tonemapping + vulkan hevc decoding >> > >> going, so any pointers how to talk to those dynamic_input filters will >> > >> be useful. Even swscale is dynamic_input in ffmpeg 7.1+, so I (we) >> > >> really hope to keep it working, too. >> > >> >> > >> Code: >> > >> >> > >> https://git.cinelerra-gg.org/git/?p=goodguy/cinelerra.git;a=blob;f=cinelerra-5.1/cinelerra/ffmpeg.C;h=1d0979df59f932628246678a920aca002d8dd88b;hb=HEAD#l3893 >> > >> >> > >> >> > >> >> > >> _______________________________________________ >> > >> Libav-user mailing list >> > >> Libav-user@ffmpeg.org >> > >> https://ffmpeg.org/mailman/listinfo/libav-user >> > >> >> > >> To unsubscribe, visit link above, or email >> > >> libav-user-requ...@ffmpeg.org with subject "unsubscribe". >> > > >> > > _______________________________________________ >> > > Libav-user mailing list >> > > Libav-user@ffmpeg.org >> > > https://ffmpeg.org/mailman/listinfo/libav-user >> > > >> > > To unsubscribe, visit link above, or email >> > > libav-user-requ...@ffmpeg.org with subject "unsubscribe". >> _______________________________________________ >> Libav-user mailing list >> Libav-user@ffmpeg.org >> https://ffmpeg.org/mailman/listinfo/libav-user >> >> To unsubscribe, visit link above, or email >> libav-user-requ...@ffmpeg.org with subject "unsubscribe". > > _______________________________________________ > Libav-user mailing list > Libav-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/libav-user > > To unsubscribe, visit link above, or email > libav-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ Libav-user mailing list Libav-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, visit link above, or email libav-user-requ...@ffmpeg.org with subject "unsubscribe".
