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  • ffmpeg x11grab to streamable format

    2 juin 2021, par Jintor

    2 FFMPEG process

    


    (1) generating a ffmpeg x11grab to a .mp4
(2) take the .mp4 and restream it simultaneously to multiple rtmp endpoints

    


    ISSUE the generated file in (1) have this error "moov atom not found"

    


    This is the command that generate (1) :

    


    ffmpeg -re -y -f x11grab -draw_mouse 0 -framerate 30 
-video_size $RESOLUTION -i :$DISPLAY_NUM -c:a aac -c:v libx264 
-movflags +faststart -preset ultrafast -crf 28 -refs 4 -qmin 4 
-pix_fmt yuv420p -filter:v fps=30 file.mp4


    


    in the (2) => when I try to ffmpeg -i file.mp4 output somewhere : I get "moov atom not found" so the (2) can't read or open (1).

    


    What I'm I missing

    


    in (1) -movflags +faststart doesn't seem to fix the issue

    


    ••••••• EDIT : more details on the context ••••••

    


    I'm using openvidu : webrtc with kurento and coturn.

    


    The record feature creates a .mp4 on the fly as the chat is going on.

    


    To start the recording, there is an API call i can make to my server and it automatically stops when all users leaves the chatroom OR do an other api call to stop. see composed video in this link https://docs.openvidu.io/en/2.17.0/advanced-features/recording/

    


    openvidu have also webhooks.

    


    My problem is not how to stop ffmpeg, but getting FFMPEG to encode while the mp4 or other is being generated "on the fly".

    


    There is 2 options :

    


    OPTION 1 : individual => 1 .webm per camare => this .webm ffmpeg can restream as hls or RTMP => it's working.

    


    OPTION 2 : ** but the issue is with "Composed" video => it's using ffmpeg to x11grab the session... but it's mp4 without moov ato, so ffmpeg don't do anything with this.

    


    see the composed.sh script here
https://github.com/OpenVidu/openvidu/blob/master/openvidu-server/docker/openvidu-recording/scripts/composed.sh

    


    ***************** EDIT 3 *************

    


    in the .sh this is the part that is creating the mp4

    


    ffmpeg -y -f alsa -i pulse -f x11grab -draw_mouse 0
-framerate $FRAMERATE -video_size $RESOLUTION -i :$DISPLAY_NUM
-c:a aac -c:v libx264 -preset ultrafast
-crf 28 -refs 4 -qmin 4 -pix_fmt yuv420p
-filter:v fps=$FRAMERATE "/recordings/$VIDEO_ID/$VIDEO_NAME.$VIDEO_FORMAT"

    


    How can I modify this to have better result example VP8 or VP9 with good quality .webm so that the ffpmeg second command(2) can encode it live...

    


    **** EDIT 4 ********

    


    I tried this it worked for 30 seconds and suddenly stopped

    


        &lt;./stop ffmpeg -y -f alsa -i pulse -f &#xA;x11grab -draw_mouse 0 -framerate $FRAMERATE &#xA;-video_size $RESOLUTION -i :$DISPLAY_NUM &#xA;-c:v libx264 -b:v 1396k -b:a 128k -ar 44100 -maxrate 1369k &#xA;-pix_fmt yuv420p -preset veryfast -tune zerolatency &#xA;-c:a aac -ac 2 -profile:v main -flags -global_header &#xA;-bufsize 969k -hls_time 1 -hls_list_size 0 -g 30 &#xA;-start_number 0 -streaming 1 -hls_playlist 1 &#xA;-lhls 1 -hls_playlist_type event -f hls "/recordings/$VIDEO_ID/$VIDEO_NAME".m3u8&#xA;&#xA;&#xA;N: [pulseaudio] main.c: Running in system mode, forcibly disabling SHM mode.&#xA;N: [pulseaudio] main.c: Running in system mode, forcibly disabling exit idle time.&#xA;Display in use -> :99&#xA;----------------------------------------&#xA;ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers&#xA;  built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)&#xA;  configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared&#xA;  libavutil      56. 31.100 / 56. 31.100&#xA;  libavcodec     58. 54.100 / 58. 54.100&#xA;  libavformat    58. 29.100 / 58. 29.100&#xA;  libavdevice    58.  8.100 / 58.  8.100&#xA;  libavfilter     7. 57.100 /  7. 57.100&#xA;  libavresample   4.  0.  0 /  4.  0.  0&#xA;  libswscale      5.  5.100 /  5.  5.100&#xA;  libswresample   3.  5.100 /  3.  5.100&#xA;  libpostproc    55.  5.100 / 55.  5.100&#xA;Guessed Channel Layout for Input Stream #0.0 : stereo&#xA;Input #0, alsa, from &#x27;pulse&#x27;:&#xA;  Duration: N/A, start: 1617150428.783763, bitrate: 1536 kb/s&#xA;    Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s&#xA;[x11grab @ 0x55e88a4e8780] Stream #0: not enough frames to estimate rate; consider increasing probesize&#xA;Input #1, x11grab, from &#x27;:99&#x27;:&#xA;  Duration: N/A, start: 1617150428.837799, bitrate: N/A&#xA;    Stream #1:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1920x1080, 30 fps, 1000k tbr, 1000k tbn, 1000k tbc&#xA;Stream mapping:&#xA;  Stream #1:0 -> #0:0 (rawvideo (native) -> h264 (libx264))&#xA;  Stream #0:0 -> #0:1 (pcm_s16le (native) -> aac (native))&#xA;Press [q] to stop, [?] for help&#xA;[libx264 @ 0x55e88a4f70c0] max bitrate less than average bitrate, assuming CBR&#xA;[libx264 @ 0x55e88a4f70c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 AVX512&#xA;[libx264 @ 0x55e88a4f70c0] profile Main, level 4.0&#xA;[alsa @ 0x55e88a4c2e40] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec133903625619940.ts&#x27; for writing&#xA;Output #0, hls, to &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8&#x27;:&#xA;  Metadata:&#xA;    encoder         : Lavf58.29.100&#xA;    Stream #0:0: Video: h264 (libx264), yuv420p(progressive), 1920x1080, q=-1--1, 1396 kb/s, 30 fps, 90k tbn, 30 tbc&#xA;    Metadata:&#xA;      encoder         : Lavc58.54.100 libx264&#xA;    Side data:&#xA;      cpb: bitrate max/min/avg: 1369000/0/1396000 buffer size: 969000 vbv_delay: -1&#xA;    Stream #0:1: Audio: aac (LC), 44100 Hz, stereo, fltp, 128 kb/s&#xA;    Metadata:&#xA;      encoder         : Lavc58.54.100 aac&#xA;frame=   16 fps=0.0 q=21.0 size=N/A time=00:00:00.53 bitrate=N/A speed=1.06x    &#xA;frame=   31 fps= 31 q=16.0 size=N/A time=00:00:01.03 bitrate=N/A speed=1.02x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec133903625619941.ts&#x27; for writing&#xA;frame=   47 fps= 31 q=21.0 size=N/A time=00:00:01.56 bitrate=N/A speed=1.03x    &#xA;frame=   62 fps= 30 q=22.0 size=N/A time=00:00:02.06 bitrate=N/A speed=1.02x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec133903625619942.ts&#x27; for writing&#xA;frame=   77 fps= 30 q=24.0 size=N/A time=00:00:02.56 bitrate=N/A speed=1.01x    &#xA;frame=   92 fps= 30 q=22.0 size=N/A time=00:00:03.06 bitrate=N/A speed=0.999x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec133903625619943.ts&#x27; for writing&#xA;frame=  108 fps= 30 q=29.0 size=N/A time=00:00:03.60 bitrate=N/A speed=   1x    &#xA;frame=  124 fps= 30 q=21.0 size=N/A time=00:00:04.13 bitrate=N/A speed=1.01x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec133903625619944.ts&#x27; for writing&#xA;frame=  139 fps= 30 q=20.0 size=N/A time=00:00:04.63 bitrate=N/A speed=1.01x    &#xA;frame=  154 fps= 30 q=18.0 size=N/A time=00:00:05.13 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec133903625619945.ts&#x27; for writing&#xA;frame=  169 fps= 30 q=19.0 size=N/A time=00:00:05.63 bitrate=N/A speed=   1x    &#xA;frame=  185 fps= 30 q=19.0 size=N/A time=00:00:06.16 bitrate=N/A speed=1.01x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec133903625619946.ts&#x27; for writing&#xA;frame=  199 fps= 30 q=20.0 size=N/A time=00:00:06.63 bitrate=N/A speed=   1x    &#xA;frame=  215 fps= 30 q=19.0 size=N/A time=00:00:07.16 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec133903625619947.ts&#x27; for writing&#xA;frame=  230 fps= 30 q=19.0 size=N/A time=00:00:07.66 bitrate=N/A speed=   1x    &#xA;frame=  242 fps= 30 q=18.0 size=N/A time=00:00:08.06 bitrate=N/A speed=0.99x    &#xA;frame=  254 fps= 29 q=17.0 size=N/A time=00:00:08.46 bitrate=N/A speed=0.979x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec133903625619948.ts&#x27; for writing&#xA;frame=  276 fps= 30 q=17.0 size=N/A time=00:00:09.20 bitrate=N/A speed=1.01x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec133903625619949.ts&#x27; for writing&#xA;frame=  290 fps= 30 q=21.0 size=N/A time=00:00:09.66 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199410.ts&#x27; for writing&#xA;frame=  306 fps= 30 q=31.0 size=N/A time=00:00:10.20 bitrate=N/A speed=   1x    &#xA;frame=  322 fps= 30 q=21.0 size=N/A time=00:00:10.73 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199411.ts&#x27; for writing&#xA;frame=  337 fps= 30 q=21.0 size=N/A time=00:00:11.23 bitrate=N/A speed=   1x    &#xA;frame=  352 fps= 30 q=19.0 size=N/A time=00:00:11.73 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199412.ts&#x27; for writing&#xA;frame=  367 fps= 30 q=19.0 size=N/A time=00:00:12.23 bitrate=N/A speed=   1x    &#xA;frame=  382 fps= 30 q=18.0 size=N/A time=00:00:12.73 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199413.ts&#x27; for writing&#xA;frame=  397 fps= 30 q=18.0 size=N/A time=00:00:13.23 bitrate=N/A speed=   1x    &#xA;frame=  412 fps= 30 q=18.0 size=N/A time=00:00:13.73 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199414.ts&#x27; for writing&#xA;frame=  428 fps= 30 q=18.0 size=N/A time=00:00:14.26 bitrate=N/A speed=   1x    &#xA;frame=  443 fps= 30 q=17.0 size=N/A time=00:00:14.76 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199415.ts&#x27; for writing&#xA;frame=  458 fps= 30 q=18.0 size=N/A time=00:00:15.26 bitrate=N/A speed=   1x    &#xA;frame=  474 fps= 30 q=17.0 size=N/A time=00:00:15.80 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199416.ts&#x27; for writing&#xA;frame=  489 fps= 30 q=18.0 size=N/A time=00:00:16.30 bitrate=N/A speed=   1x    &#xA;frame=  504 fps= 30 q=17.0 size=N/A time=00:00:16.80 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199417.ts&#x27; for writing&#xA;frame=  520 fps= 30 q=20.0 size=N/A time=00:00:17.33 bitrate=N/A speed=   1x    &#xA;frame=  535 fps= 30 q=18.0 size=N/A time=00:00:17.83 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199418.ts&#x27; for writing&#xA;frame=  551 fps= 30 q=20.0 size=N/A time=00:00:18.36 bitrate=N/A speed=   1x    &#xA;frame=  566 fps= 30 q=19.0 size=N/A time=00:00:18.86 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199419.ts&#x27; for writing&#xA;frame=  581 fps= 30 q=20.0 size=N/A time=00:00:19.36 bitrate=N/A speed=   1x    &#xA;frame=  596 fps= 30 q=19.0 size=N/A time=00:00:19.86 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199420.ts&#x27; for writing&#xA;frame=  612 fps= 30 q=21.0 size=N/A time=00:00:20.40 bitrate=N/A speed=   1x    &#xA;frame=  626 fps= 30 q=20.0 size=N/A time=00:00:20.86 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199421.ts&#x27; for writing&#xA;frame=  641 fps= 30 q=21.0 size=N/A time=00:00:21.37 bitrate=N/A speed=   1x    &#xA;frame=  657 fps= 30 q=35.0 size=N/A time=00:00:21.90 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199422.ts&#x27; for writing&#xA;frame=  672 fps= 30 q=33.0 size=N/A time=00:00:22.40 bitrate=N/A speed=   1x    &#xA;frame=  687 fps= 30 q=23.0 size=N/A time=00:00:22.90 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199423.ts&#x27; for writing&#xA;frame=  703 fps= 30 q=23.0 size=N/A time=00:00:23.43 bitrate=N/A speed=   1x    &#xA;frame=  718 fps= 30 q=25.0 size=N/A time=00:00:23.93 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199424.ts&#x27; for writing&#xA;frame=  733 fps= 30 q=27.0 size=N/A time=00:00:24.44 bitrate=N/A speed=   1x    &#xA;frame=  749 fps= 30 q=26.0 size=N/A time=00:00:24.96 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199425.ts&#x27; for writing&#xA;frame=  764 fps= 30 q=28.0 size=N/A time=00:00:25.46 bitrate=N/A speed=   1x    &#xA;frame=  780 fps= 30 q=27.0 size=N/A time=00:00:26.00 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199426.ts&#x27; for writing&#xA;frame=  795 fps= 30 q=27.0 size=N/A time=00:00:26.50 bitrate=N/A speed=   1x    &#xA;frame=  810 fps= 30 q=26.0 size=N/A time=00:00:27.00 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec1339036256199427.ts&#x27; for writing&#xA;frame=  825 fps= 30 q=29.0 size=N/A time=00:00:27.50 bitrate=N/A speed=   1x    &#xA;[hls @ 0x55e88a4f3040] Opening &#x27;/recordings/13391978436095-2/rec13390362561994.m3u8.tmp&#x27; for writing&#xA;frame=  840 fps= 30 q=30.0 Lsize=N/A time=00:00:28.01 bitrate=N/A speed=   1x    &#xA;video:4635kB audio:404kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown&#xA;[libx264 @ 0x55e88a4f70c0] frame I:42    Avg QP:12.88  size: 28020&#xA;[libx264 @ 0x55e88a4f70c0] frame P:798   Avg QP:13.11  size:  4473&#xA;[libx264 @ 0x55e88a4f70c0] mb I  I16..4: 88.4%  0.0% 11.6%&#xA;[libx264 @ 0x55e88a4f70c0] mb P  I16..4:  6.6%  0.0%  0.4%  P16..4:  6.6%  1.9%  0.6%  0.0%  0.0%    skip:83.8%&#xA;[libx264 @ 0x55e88a4f70c0] coded y,uvDC,uvAC intra: 18.8% 20.1% 10.1% inter: 1.7% 2.4% 0.1%&#xA;[libx264 @ 0x55e88a4f70c0] i16 v,h,dc,p: 55% 30% 12%  4%&#xA;[libx264 @ 0x55e88a4f70c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 27% 31%  2%  3%  2%  2%  1%  2%&#xA;[libx264 @ 0x55e88a4f70c0] i8c dc,h,v,p: 77%  9% 12%  1%&#xA;[libx264 @ 0x55e88a4f70c0] Weighted P-Frames: Y:1.1% UV:0.1%&#xA;[libx264 @ 0x55e88a4f70c0] kb/s:1355.98&#xA;[aac @ 0x55e88a4f8440] Qavg: 40876.258&#xA;jq: error (at <stdin>:1): Cannot iterate over null (null)&#xA;jq: error (at <stdin>:1): Cannot iterate over null (null)&#xA;jq: error (at <stdin>:1): null (null) cannot be parsed as a number&#xA;jq: error (at <stdin>:1): null (null) cannot be parsed as a number&#xA;jq: error: syntax error, unexpected &#x27;|&#x27; (Unix shell quoting issues?) at , line 1:&#xA;.hasAudio=false | .hasVideo=false | .duration= | .size= | .status="failed"                                               &#xA;jq: 1 compile error&#xA;ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers&#xA;  built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)&#xA;  configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared&#xA;  libavutil      56. 31.100 / 56. 31.100&#xA;  libavcodec     58. 54.100 / 58. 54.100&#xA;  libavformat    58. 29.100 / 58. 29.100&#xA;  libavdevice    58.  8.100 / 58.  8.100&#xA;  libavfilter     7. 57.100 /  7. 57.100&#xA;  libavresample   4.  0.  0 /  4.  0.  0&#xA;  libswscale      5.  5.100 /  5.  5.100&#xA;  libswresample   3.  5.100 /  3.  5.100&#xA;  libpostproc    55.  5.100 / 55.  5.100&#xA;Invalid duration specification for ss: -i&#xA;</stdin></stdin></stdin></stdin>

    &#xA;

    ***** Edit 5 **********

    &#xA;

    no mather what format I choose, it stops after 20 to 30 secs.&#xA;the same line with .webm .mov .264 when it's not .mp4 ffmpeg seems to drop

    &#xA;

  • avcodec/h264 : Use ptrdiff_t for (bi)weight functions

    21 septembre 2016, par Michael Niedermayer
    avcodec/h264 : Use ptrdiff_t for (bi)weight functions
    

    Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>

    • [DH] libavcodec/h264dsp.h
    • [DH] libavcodec/h264dsp_template.c
    • [DH] libavcodec/mips/h264dsp_mips.h
    • [DH] libavcodec/mips/h264dsp_mmi.c
    • [DH] libavcodec/x86/h264dsp_init.c
  • avcodec/h264_parse : Check picture structure when initializing weight table

    9 juin 2017, par Michael Niedermayer
    avcodec/h264_parse : Check picture structure when initializing weight table
    

    Fixes : runtime error : index 49 out of bounds for type 'int [48][2][2]'
    Fixes : 2159/clusterfuzz-testcase-minimized-5267945972301824

    Found-by : continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
    Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>

    • [DH] libavcodec/h264_parse.c
    • [DH] libavcodec/h264_parse.h
    • [DH] libavcodec/h264_parser.c
    • [DH] libavcodec/h264_slice.c