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  • ffmpeg-python error, cannot load mp4 encoder

    19 août 2020, par tristan_jia

    This error came when I just try a simple demo from the page of ffmpeg-python :

    


    import ffmpeg
stream = ffmpeg.input('human_face.mp4')
stream = ffmpeg.hflip(stream)
stream = ffmpeg.output(stream, 'new_human_face.mp4')
ffmpeg.run(stream)


    


    And the output goes like :

    


    ...&#xA;Input #0, mov,mp4,m4a,3gp,3g2,mj2, from &#x27;human_face.mp4&#x27;:&#xA;  Metadata:&#xA;    major_brand     : isom&#xA;    minor_version   : 512&#xA;    compatible_brands: isomiso2mp41&#xA;    encoder         : Lavf58.49.100&#xA;  Duration: 00:00:12.45, start: 0.000000, bitrate: 742 kb/s&#xA;    Stream #0:0(und): Video: mpeg4 (mp4v / 0x7634706D), none, 256x256, 741 kb/s, 20 fps, 20 tbr, 10240 tbn, 10240 tbc (default)&#xA;    Metadata:&#xA;      handler_name    : VideoHandler&#xA;Automatic encoder selection failed for output stream #0:0. Default encoder for format mp4 (codec mpeg4) is probably disabled or this build of ffmpeg does not include that codec. Please choose an encoder manually.&#xA;Error selecting an encoder for stream 0:0&#xA;Traceback (most recent call last):&#xA;  File "<stdin>", line 1, in <module>&#xA;  File "/home/tristan_jia/workspace/py3.6/venv/lib/python3.6/site-packages/ffmpeg/_run.py", line 325, in run&#xA;    raise Error(&#x27;ffmpeg&#x27;, out, err)&#xA;</module></stdin>

    &#xA;

    I think the most important log is :"Automatic encoder selection failed for output stream #0:0. Default encoder for format mp4 (codec mpeg4) is probably disabled or this build of ffmpeg does not include that codec. Please choose an encoder manually."

    &#xA;

    I've reinstalled the ffmpeg package but the error remains.

    &#xA;


    &#xA;

    Appended 1 :&#xA;Thanks for the comment from @HernánAlarcón :

    &#xA;

      &#xA;
    • the version is 3.4.4.
    • &#xA;

    • the output of ffmpeg -encoders is :
    • &#xA;

    &#xA;

    (venv) tristan_jia@linux-ftbv:~/.../data> ffmpeg -encoders&#xA;ffmpeg version 3.4.4 Copyright (c) 2000-2018 the FFmpeg developers&#xA;  built with gcc 7 (SUSE Linux)&#xA;  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --incdir=/usr/include/ffmpeg --extra-cflags=&#x27;-fmessage-length=0 -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -g&#x27; --optflags=&#x27;-fmessage-length=0 -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -g&#x27; --disable-htmlpages --enable-pic --disable-stripping --enable-shared --disable-static --enable-gpl --disable-openssl --enable-avresample --enable-libcdio --enable-gnutls --enable-ladspa --disable-cuda --disable-cuvid --enable-libass --enable-libbluray --enable-libcelt --enable-libcdio --enable-libdc1394 --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libzimg --enable-libzvbi --enable-vaapi --enable-vdpau --enable-muxers --enable-demuxers --disable-encoders --disable-decoders --disable-decoder=&#x27;mpeg4,h263,h264,hevc,vc1&#x27; --enable-encoder=&#x27;apng,ass,ayuv,bmp,ffv1,ffvhuff,flac,gif,huffyuv,jpegls,libgsm,libmp3lame,libopenjpeg,libopus,libschroedinger,libspeex,libtheora,libtwolame,libvorbis,libvpx_vp8,libvpx_vp9,libwebp,libwebp_anim,mjpeg,mp2,mp2fixed,opus,pam,pbm,pcm_alaw,pcm_f32be,pcm_f32le,pcm_f64be,pcm_f64le,pcm_mulaw,pcm_s16be,pcm_s16be_planar,pcm_s16le,pcm_s16le_planar,pcm_s24be,pcm_s24le,pcm_s24le_planar,pcm_s32be,pcm_s32le,pcm_s32le_planar,pcm_s8,pcm_s8_planar,pcm_u16be,pcm_u16le,pcm_u24be,pcm_u24le,pcm_u32be,pcm_u32le,pcm_u8,pcx,pgm,pgmyuv,png,ppm,sgi,srt,ssa,sunrast,targa,text,tiff,v210,v308,v408,v410,vorbis,xbm,xwd,y41p,yuv4,zlib,&#x27; --enable-decoder=&#x27;ac3,ansi,apng,ass,ayuv,bmp,dirac,exr,ffv1,ffvhuff,ffwavesynth,flac,gif,gsm,huffyuv,libcelt,libgsm,libopenjpeg,libopus,libschroedinger,libspeex,libvorbis,libvpx_vp8,libvpx_vp9,mjpeg,mpeg1video,mpeg2video,,mp1,mp1float,mp2,mp2float,mp3,mp3float,opus,pam,pbm,pcm_alaw,pcm_bluray,pcm_dvd,pcm_f32be,pcm_f32le,pcm_f64be,pcm_f64le,pcm_mulaw,pcm_s16be,pcm_s16be_planar,pcm_s16le,pcm_s16le_planar,pcm_s24be,pcm_s24le,pcm_s24le_planar,pcm_s32be,pcm_s32le,pcm_s32le_planar,pcm_s8,pcm_s8_planar,pcm_u16be,pcm_u16le,pcm_u24be,pcm_u24le,pcm_u32be,pcm_u32le,pcm_u8,pcx,pgm,pgmyuv,pgssub,png,ppm,rawvideo,sgi,srt,ssa,sunrast,targa,text,theora,tiff,v210,v210x,v308,v408,v410,vorbis,vp3,vp5,vp6,vp6a,vp6f,vp8,vp9,webp,xbm,xwd,y41p,yuv4,zlib,&#x27;&#xA;  libavutil      55. 78.100 / 55. 78.100&#xA;  libavcodec     57.107.100 / 57.107.100&#xA;  libavformat    57. 83.100 / 57. 83.100&#xA;  libavdevice    57. 10.100 / 57. 10.100&#xA;  libavfilter     6.107.100 /  6.107.100&#xA;  libavresample   3.  7.  0 /  3.  7.  0&#xA;  libswscale      4.  8.100 /  4.  8.100&#xA;  libswresample   2.  9.100 /  2.  9.100&#xA;  libpostproc    54.  7.100 / 54.  7.100&#xA;Encoders:&#xA; V..... = Video&#xA; A..... = Audio&#xA; S..... = Subtitle&#xA; .F.... = Frame-level multithreading&#xA; ..S... = Slice-level multithreading&#xA; ...X.. = Codec is experimental&#xA; ....B. = Supports draw_horiz_band&#xA; .....D = Supports direct rendering method 1&#xA; ------&#xA; V..... apng                 APNG (Animated Portable Network Graphics) image&#xA; V..... ayuv                 Uncompressed packed MS 4:4:4:4&#xA; V..... bmp                  BMP (Windows and OS/2 bitmap)&#xA; V.S... ffv1                 FFmpeg video codec #1&#xA; VF.... ffvhuff              Huffyuv FFmpeg variant&#xA; V..... gif                  GIF (Graphics Interchange Format)&#xA; VF.... huffyuv              Huffyuv / HuffYUV&#xA; VF.... libopenjpeg          OpenJPEG JPEG 2000 (codec jpeg2000)&#xA; VF.... jpegls               JPEG-LS&#xA; VFS... mjpeg                MJPEG (Motion JPEG)&#xA; V..... pam                  PAM (Portable AnyMap) image&#xA; V..... pbm                  PBM (Portable BitMap) image&#xA; V..... pcx                  PC Paintbrush PCX image&#xA; V..... pgm                  PGM (Portable GrayMap) image&#xA; V..... pgmyuv               PGMYUV (Portable GrayMap YUV) image&#xA; VF.... png                  PNG (Portable Network Graphics) image&#xA; V..... ppm                  PPM (Portable PixelMap) image&#xA; V..... sgi                  SGI image&#xA; V..... sunrast              Sun Rasterfile image&#xA; V..... targa                Truevision Targa image&#xA; V..... libtheora            libtheora Theora (codec theora)&#xA; VF.... tiff                 TIFF image&#xA; V..... v210                 Uncompressed 4:2:2 10-bit&#xA; V..... v308                 Uncompressed packed 4:4:4&#xA; V..... v408                 Uncompressed packed QT 4:4:4:4&#xA; V..... v410                 Uncompressed 4:4:4 10-bit&#xA; V..... libvpx               libvpx VP8 (codec vp8)&#xA; V..... libvpx-vp9           libvpx VP9 (codec vp9)&#xA; V..... libwebp_anim         libwebp WebP image (codec webp)&#xA; V..... libwebp              libwebp WebP image (codec webp)&#xA; V..... xbm                  XBM (X BitMap) image&#xA; V..... xwd                  XWD (X Window Dump) image&#xA; V..... y41p                 Uncompressed YUV 4:1:1 12-bit&#xA; V..... yuv4                 Uncompressed packed 4:2:0&#xA; VF.... zlib                 LCL (LossLess Codec Library) ZLIB&#xA; A..... flac                 FLAC (Free Lossless Audio Codec)&#xA; A..... libgsm               libgsm GSM (codec gsm)&#xA; A..... mp2                  MP2 (MPEG audio layer 2)&#xA; A..... mp2fixed             MP2 fixed point (MPEG audio layer 2) (codec mp2)&#xA; A..... libtwolame           libtwolame MP2 (MPEG audio layer 2) (codec mp2)&#xA; A..... libmp3lame           libmp3lame MP3 (MPEG audio layer 3) (codec mp3)&#xA; A..X.. opus                 Opus&#xA; A..... libopus              libopus Opus (codec opus)&#xA; A..... pcm_alaw             PCM A-law / G.711 A-law&#xA; A..... pcm_f32be            PCM 32-bit floating point big-endian&#xA; A..... pcm_f32le            PCM 32-bit floating point little-endian&#xA; A..... pcm_f64be            PCM 64-bit floating point big-endian&#xA; A..... pcm_f64le            PCM 64-bit floating point little-endian&#xA; A..... pcm_mulaw            PCM mu-law / G.711 mu-law&#xA; A..... pcm_s16be            PCM signed 16-bit big-endian&#xA; A..... pcm_s16be_planar     PCM signed 16-bit big-endian planar&#xA; A..... pcm_s16le            PCM signed 16-bit little-endian&#xA; A..... pcm_s16le_planar     PCM signed 16-bit little-endian planar&#xA; A..... pcm_s24be            PCM signed 24-bit big-endian&#xA; A..... pcm_s24le            PCM signed 24-bit little-endian&#xA; A..... pcm_s24le_planar     PCM signed 24-bit little-endian planar&#xA; A..... pcm_s32be            PCM signed 32-bit big-endian&#xA; A..... pcm_s32le            PCM signed 32-bit little-endian&#xA; A..... pcm_s32le_planar     PCM signed 32-bit little-endian planar&#xA; A..... pcm_s8               PCM signed 8-bit&#xA; A..... pcm_s8_planar        PCM signed 8-bit planar&#xA; A..... pcm_u16be            PCM unsigned 16-bit big-endian&#xA; A..... pcm_u16le            PCM unsigned 16-bit little-endian&#xA; A..... pcm_u24be            PCM unsigned 24-bit big-endian&#xA; A..... pcm_u24le            PCM unsigned 24-bit little-endian&#xA; A..... pcm_u32be            PCM unsigned 32-bit big-endian&#xA; A..... pcm_u32le            PCM unsigned 32-bit little-endian&#xA; A..... pcm_u8               PCM unsigned 8-bit&#xA; A..... libspeex             libspeex Speex (codec speex)&#xA; A..X.. vorbis               Vorbis&#xA; A..... libvorbis            libvorbis (codec vorbis)&#xA; S..... ssa                  ASS (Advanced SubStation Alpha) subtitle (codec ass)&#xA; S..... ass                  ASS (Advanced SubStation Alpha) subtitle&#xA; S..... srt                  SubRip subtitle (codec subrip)&#xA; S..... text                 Raw text subtitle&#xA;&#x27;&#x27;&#x27;&#xA;

    &#xA;

  • How to overlay 2 videos, one is main second one is overlaying it, and play sound simultaneously. using FFMPEG in ANDROID STUDIO

    6 août 2020, par Dusan Lilic

    as title say I'm trying to overlay 2 videos and play sound simultaneously. So far i managed to put 1 video over another using this command :

    &#xA;

    String[] command = {"-i", mainVideoPath, "-vf",&#xA;            "movie=" &#x2B; overlayVideo &#x2B; ", scale=300:-1[inner]; [in][inner]overlay=10:10[out]" ,combinedVideoOutput};&#xA;

    &#xA;

    and this works but I have 3 problems here.&#xA;First, video is rotated by 90 degrees (overlay video), second Audio is played only from main video (I want to play sound from both videos simultaneously), and third overlay video is longer (for example : overlayVideo duration is 10 seconds and main video last 7 seconds) then mainVideo, so i want to final video last as long as mainVideo, as soon as mainVideo finish, overlayVideo should also stop (need to cut it prolly ?)

    &#xA;

    String[] command = {"-i", mainVideoPath, "-i", overlayVideo ,&#xA;            "-filter_complex", "[1:v][0:v]scale2ref=(256/256)*ih/8/sar:ih/8[wm][base];[base][wm]overlay=10:10" ,combinedVideoOutput};&#xA;

    &#xA;

    Using this command i have 2 problems same as above except video is not rotated here.&#xA;I have to say that I'm not very familiar with ffmpeg commands. I was trying to figure it out from documentation link to documentation but without any success.&#xA;I know that I'm missing some filters like -map merge or something but can't figure it out.&#xA;Thanks in advance !

    &#xA;

    EDIT1 :&#xA;This is logcat from second commad as asked

    &#xA;

    D/LISKO: ffmpeg version n4.0-39-gda39990 Copyright (c) 2000-2018 the FFmpeg developers&#xA;      built with gcc 4.9.x (GCC) 20150123 (prerelease)&#xA;D/LISKO:   configuration: --target-os=linux --cross-prefix=/root/bravobit/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/root/bravobit/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-ffprobe --enable-libopus --enable-libvorbis --enable-libfdk-aac --enable-libfreetype --enable-libfribidi --enable-libmp3lame --enable-fontconfig --enable-libvpx --enable-libass --enable-yasm --enable-pthreads --disable-debug --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-linux-perf --disable-doc --disable-shared --enable-static --enable-runtime-cpudetect --enable-nonfree --enable-network --enable-avresample --enable-avformat --enable-avcodec --enable-indev=lavfi --enable-hwaccels --enable-ffmpeg --enable-zlib --enable-gpl --enable-small --enable-nonfree --pkg-config=pkg-config --pkg-config-flags=--static --prefix=/root/bravobit/ffmpeg-android/build/armeabi-v7a --extra-cflags=&#x27;-I/root/bravobit/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all&#x27; --extra-ldflags=&#x27;-L/root/bravobit/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie&#x27; --extra-cxxflags=&#xA;D/LISKO:   libavutil      56. 14.100 / 56. 14.100&#xA;      libavcodec     58. 18.100 / 58. 18.100&#xA;      libavformat    58. 12.100 / 58. 12.100&#xA;      libavdevice    58.  3.100 / 58.  3.100&#xA;      libavfilter     7. 16.100 /  7. 16.100&#xA;D/LISKO:   libavresample   4.  0.  0 /  4.  0.  0&#xA;      libswscale      5.  1.100 /  5.  1.100&#xA;D/LISKO:   libswresample   3.  1.100 /  3.  1.100&#xA;      libpostproc    55.  1.100 / 55.  1.100&#xA;D/LISKO: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from &#x27;/storage/emulated/0/mainVideo.mp4&#x27;:&#xA;      Metadata:&#xA;        major_brand     : iso6&#xA;        minor_version   : 1&#xA;        compatible_brands: mp42iso6avc1isom&#xA;        creation_time   : 2020-08-03T13:20:11.000000Z&#xA;      Duration: 00:00:07.04, start: 0.000000, bitrate: 1380 kb/s&#xA;        Stream #0:0(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 140 kb/s (default)&#xA;        Metadata:&#xA;          creation_time   : 2020-07-28T08:11:36.000000Z&#xA;        Stream #0:1(und): Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709), 1280x720 [SAR 81:256 DAR 9:16], 1264 kb/s, 30 fps, 30 tbr, 90k tbn, 180k tbc (default)&#xA;        Metadata:&#xA;          creation_time   : 2020-07-28T08:11:36.000000Z&#xA;D/LISKO: Input #1, mov,mp4,m4a,3gp,3g2,mj2, from &#x27;/storage/emulated/0/overlayVideo.mp4&#x27;:&#xA;      Metadata:&#xA;        major_brand     : mp42&#xA;        minor_version   : 0&#xA;        compatible_brands: isommp42&#xA;        creation_time   : 2020-08-04T07:27:47.000000Z&#xA;        com.android.version: 10&#xA;      Duration: 00:00:11.19, start: 0.000000, bitrate: 9993 kb/s&#xA;D/LISKO:     Stream #1:0(eng): Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709), 1280x720, 9238 kb/s, SAR 1:1 DAR 16:9, 28.38 fps, 29.75 tbr, 90k tbn, 180k tbc (default)&#xA;        Metadata:&#xA;          rotate          : 270&#xA;          creation_time   : 2020-08-04T07:27:47.000000Z&#xA;          handler_name    : VideoHandle&#xA;        Side data:&#xA;          displaymatrix: rotation of 90.00 degrees&#xA;        Stream #1:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 192 kb/s (default)&#xA;        Metadata:&#xA;          creation_time   : 2020-08-04T07:27:47.000000Z&#xA;          handler_name    : SoundHandle&#xA;    Stream mapping:&#xA;      Stream #0:1 (h264) -> scale2ref:ref (graph 0)&#xA;      Stream #1:0 (h264) -> scale2ref:default (graph 0)&#xA;      overlay (graph 0) -> Stream #0:0 (libx264)&#xA;      Stream #0:0 -> #0:1 (aac (native) -> aac (native))&#xA;    Press [q] to stop, [?] for help&#xA;D/LISKO: [libx264 @ 0xee986100] using SAR=81/256&#xA;D/LISKO: [libx264 @ 0xee986100] using cpu capabilities: ARMv6 NEON&#xA;    [libx264 @ 0xee986100] profile High, level 3.1&#xA;D/LISKO: [libx264 @ 0xee986100] 264 - core 152 r2851M ba24899 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00&#xA;D/LISKO: Output #0, mp4, to &#x27;/storage/emulated/0/outputVideo.mp4&#x27;:&#xA;D/LISKO:   Metadata:&#xA;        major_brand     : iso6&#xA;D/LISKO:     minor_version   : 1&#xA;D/LISKO:     compatible_brands: mp42iso6avc1isom&#xA;D/LISKO:     encoder         : Lavf58.12.100&#xA;        Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 81:256 DAR 9:16], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)&#xA;D/LISKO:     Metadata:&#xA;          encoder         : Lavc58.18.100 libx264&#xA;        Side data:&#xA;          cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1&#xA;D/LISKO:     Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)&#xA;        Metadata:&#xA;          creation_time   : 2020-07-28T08:11:36.000000Z&#xA;D/LISKO:       encoder         : Lavc58.18.100 aac&#xA;D/LISKO: frame=   26 fps=0.0 q=0.0 size=       0kB time=00:00:00.09 bitrate=   4.1kbits/s dup=2 drop=0 speed=0.185x    &#xA;D/LISKO: frame=   41 fps= 41 q=0.0 size=       0kB time=00:00:00.58 bitrate=   0.7kbits/s dup=2 drop=0 speed=0.574x    &#xA;D/LISKO: frame=   49 fps= 32 q=0.0 size=       0kB time=00:00:00.92 bitrate=   0.4kbits/s dup=2 drop=0 speed=0.613x    &#xA;D/LISKO: frame=   59 fps= 29 q=29.0 size=       0kB time=00:00:01.97 bitrate=   0.2kbits/s dup=2 drop=0 speed=0.974x    &#xA;D/LISKO: frame=   75 fps= 29 q=29.0 size=       0kB time=00:00:01.97 bitrate=   0.2kbits/s dup=2 drop=0 speed=0.762x &#xA;

    &#xA;

    EDIT2 :&#xA;After adding "-shortest" to command i managed to cut overlay video to be the same length as main video (because overlay video is always longer then mainVideo, "-shortest" take short one duration. So now, command looks like this :

    &#xA;

        String[] command = {"-i", mainVideoPath, "-i", overlayVideo ,"-filter_complex", &#xA;"[1:v][0:v]scale2ref=(256/256)*ih/8/sar:ih/8[wm][base];[base][wm]overlay=10:10", "-shortest", combinedVideoOutput};&#xA;

    &#xA;

    Rotation is good so only need to merge their audios. For now, only mainVideo audio is playing, overlay video audio isn't

    &#xA;

    EDIT 3 :

    &#xA;

       String[] command = {"-i", mainVideoPath, "-i", overlayVideo ,&#xA;            "-strict", "experimental",&#xA;            "-filter_complex",&#xA;            "[1:v][0:v]scale2ref=(256/256)*ih/8/sar:ih/8[wm][base];" &#x2B;&#xA;                    "[base][wm]overlay=10:10; " &#x2B;&#xA;                    "pan=stereo|c0=2*c0|c1=3*c0[a0];[1:a]pan=stereo|c0=1*c0|c1=4*c0[a1];[a0][a1]amix=inputs=2:duration=first:dropout_transition=2",&#xA;            "-shortest" ,combinedVideoOutput};&#xA;

    &#xA;

    With this command i managed to overlay videos, and play sound from both of them, rotation is good, but -shortest doesn't work now. Only existing problem now is to make them to last as shorter one (mainVideo is always shorter) ???

    &#xA;

    EDIT 4 :

    &#xA;

    This is finally working command

    &#xA;

            String[] command = {"-i", mainVideoPath, "-i", overlayVideo,&#xA;            "-filter_complex",&#xA;            "[1:v][0:v]scale2ref=(256/256)*ih/8/sar:ih/8[wm][base];" &#x2B;&#xA;                    "[base][wm]overlay=10:10:shortest=1;" &#x2B;&#xA;                    "pan=stereo|c0=2*c0|c1=3*c0[a0];[1:a]pan=stereo|c0=1*c0|c1=4*c0[a1];" &#x2B;&#xA;                    "[a0][a1]amix=inputs=2:duration=first:dropout_transition=2",&#xA;            combinedVideoOutput};&#xA;

    &#xA;

    Thanks

    &#xA;

  • FFMPEG php HLS and DASH conversion

    21 juillet 2020, par Angus Simons

    I'm using this repo https://github.com/aminyazdanpanah/PHP-FFmpeg-video-streaming to encode video in hls and then reproduce on the front end.

    &#xA;

    After creating all the hls segments correctly the php script fail to execute the command below.&#xA;The command getting error is the next one :

    &#xA;

    &#x27;/usr/bin/ffmpeg&#x27; &#x27;-y&#x27; &#x27;-i&#x27; &#x27;source.mp4&#x27; &#x27;-c:v&#x27; &#x27;libx264&#x27; &#x27;-c:a&#x27; &#x27;aac&#x27; &#x27;-bf&#x27; &#x27;1&#x27; &#x27;-keyint_min&#x27; &#x27;25&#x27; &#x27;-g&#x27; &#x27;250&#x27; &#x27;-sc_threshold&#x27; &#x27;40&#x27; &#x27;-use_timeline&#x27; &#x27;1&#x27; &#x27;-use_template&#x27; &#x27;1&#x27; &#x27;-init_seg_name&#x27; &#x27;dash_init_$RepresentationID$.$ext$&#x27; &#x27;-media_seg_name&#x27; &#x27;dash_chunk_$RepresentationID$_$Number%05d$.$ext$&#x27; &#x27;-seg_duration&#x27; &#x27;10&#x27; &#x27;-hls_playlist&#x27; &#x27;0&#x27; &#x27;-f&#x27; &#x27;dash&#x27; &#x27;-adaptation_sets&#x27; &#x27;id=0,streams=v id=1,streams=a&#x27; &#x27;-map&#x27; &#x27;0&#x27; &#x27;-s:v:0&#x27; &#x27;256x144&#x27; &#x27;-b:v:0&#x27; &#x27;830k&#x27; &#x27;-map&#x27; &#x27;0&#x27; &#x27;-s:v:1&#x27; &#x27;426x240&#x27; &#x27;-b:v:1&#x27; &#x27;969k&#x27; &#x27;-map&#x27; &#x27;0&#x27; &#x27;-s:v:2&#x27; &#x27;640x360&#x27; &#x27;-b:v:2&#x27; &#x27;1162k&#x27; &#x27;-map&#x27; &#x27;0&#x27; &#x27;-s:v:3&#x27; &#x27;854x480&#x27; &#x27;-b:v:3&#x27; &#x27;1453k&#x27; &#x27;-map&#x27; &#x27;0&#x27; &#x27;-s:v:4&#x27; &#x27;1280x720&#x27; &#x27;-b:v:4&#x27; &#x27;1938k&#x27; &#x27;-map&#x27; &#x27;0&#x27; &#x27;-s:v:5&#x27; &#x27;1920x1080&#x27; &#x27;-b:v:5&#x27; &#x27;2907k&#x27; &#x27;-strict&#x27; &#x27;-2&#x27; &#x27;-threads&#x27; &#x27;12&#x27; &#x27;dash.mpd&#x27;&#xA;

    &#xA;

    Here there is the error printed executing the command with CLI :

    &#xA;

        ffmpeg version 4.3-2~16.04.york1 Copyright (c) 2000-2020 the FFmpeg developers&#xA;    built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.12) 20160609&#xA;    configuration: --prefix=/usr --extra-version=&#x27;2~16.04.york1&#x27; --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-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-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --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-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared&#xA;    libavutil      56. 51.100 / 56. 51.100&#xA;    libavcodec     58. 91.100 / 58. 91.100&#xA;    libavformat    58. 45.100 / 58. 45.100&#xA;    libavdevice    58. 10.100 / 58. 10.100&#xA;    libavfilter     7. 85.100 /  7. 85.100&#xA;    libavresample   4.  0.  0 /  4.  0.  0&#xA;    libswscale      5.  7.100 /  5.  7.100&#xA;    libswresample   3.  7.100 /  3.  7.100&#xA;    libpostproc    55.  7.100 / 55.  7.100&#xA;    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from &#x27;source.mp4&#x27;:&#xA;    Metadata:&#xA;        major_brand     : mp42&#xA;        minor_version   : 0&#xA;        compatible_brands: mp42mp41&#xA;        creation_time   : 2020-07-10T09:13:47.000000Z&#xA;    Duration: 01:03:27.36, start: 0.000000, bitrate: 3298 kb/s&#xA;        Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 2977 kb/s, 25 fps, 25 tbr, 25k tbn, 50 tbc (default)&#xA;        Metadata:&#xA;        creation_time   : 2020-07-10T09:13:47.000000Z&#xA;        handler_name    : ?Mainconcept Video Media Handler&#xA;        encoder         : AVC Coding&#xA;        Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 317 kb/s (default)&#xA;        Metadata:&#xA;        creation_time   : 2020-07-10T09:13:48.000000Z&#xA;        handler_name    : #Mainconcept MP4 Sound Media Handler&#xA;    Stream mapping:&#xA;    Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))&#xA;    Stream #0:1 -> #0:1 (aac (native) -> aac (native))&#xA;    Stream #0:0 -> #0:2 (h264 (native) -> h264 (libx264))&#xA;    Stream #0:1 -> #0:3 (aac (native) -> aac (native))&#xA;    Stream #0:0 -> #0:4 (h264 (native) -> h264 (libx264))&#xA;    Stream #0:1 -> #0:5 (aac (native) -> aac (native))&#xA;    Stream #0:0 -> #0:6 (h264 (native) -> h264 (libx264))&#xA;    Stream #0:1 -> #0:7 (aac (native) -> aac (native))&#xA;    Stream #0:0 -> #0:8 (h264 (native) -> h264 (libx264))&#xA;    Stream #0:1 -> #0:9 (aac (native) -> aac (native))&#xA;    Stream #0:0 -> #0:10 (h264 (native) -> h264 (libx264))&#xA;    Stream #0:1 -> #0:11 (aac (native) -> aac (native))&#xA;    Press [q] to stop, [?] for help&#xA;    [libx264 @ 0x55de2d5e6c80] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2&#xA;    [libx264 @ 0x55de2d5e6c80] profile High, level 2.0&#xA;    [libx264 @ 0x55de2d5e6c80] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=1 b_pyramid=0 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=830 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00&#xA;    [libx264 @ 0x55de2d09fcc0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2&#xA;    [libx264 @ 0x55de2d09fcc0] profile High, level 2.1&#xA;    [libx264 @ 0x55de2d09fcc0] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=1 b_pyramid=0 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=969 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00&#xA;    [libx264 @ 0x55de2d0a4240] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2&#xA;    [libx264 @ 0x55de2d0a4240] profile High, level 3.0&#xA;    [libx264 @ 0x55de2d0a4240] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=1 b_pyramid=0 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=1162 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00&#xA;    [libx264 @ 0x55de2d0a8380] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2&#xA;    [libx264 @ 0x55de2d0a8380] profile High, level 3.0&#xA;    [libx264 @ 0x55de2d0a8380] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=1 b_pyramid=0 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=1453 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00&#xA;    [libx264 @ 0x55de2d085c80] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2&#xA;    [libx264 @ 0x55de2d085c80] profile High, level 3.1&#xA;    [libx264 @ 0x55de2d085c80] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=1 b_pyramid=0 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=1938 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00&#xA;    [libx264 @ 0x55de2d089d40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2&#xA;    [libx264 @ 0x55de2d089d40] profile High, level 4.0&#xA;    [libx264 @ 0x55de2d089d40] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=1 b_pyramid=0 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=2907 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00&#xA;    [dash @ 0x55de2cf50900] Opening &#x27;dash_init_0.m4s&#x27; for writing&#xA;    [dash @ 0x55de2cf50900] Opening &#x27;dash_init_1.m4s&#x27; for writing&#xA;    [dash @ 0x55de2cf50900] Opening &#x27;dash_init_2.m4s&#x27; for writing&#xA;    [dash @ 0x55de2cf50900] Conflicting stream par values in Adaptation Set 1&#xA;    Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument&#xA;    Error initializing output stream 0:10 -- &#xA;    [libx264 @ 0x55de2d5e6c80] final ratefactor: 16.04&#xA;    [aac @ 0x55de2d09eb80] Qavg: 65536.000&#xA;    [aac @ 0x55de2d09eb80] 2 frames left in the queue on closing&#xA;    [libx264 @ 0x55de2d09fcc0] final ratefactor: 19.18&#xA;    [aac @ 0x55de2d0a2b00] Qavg: 65536.000&#xA;    [aac @ 0x55de2d0a2b00] 2 frames left in the queue on closing&#xA;    [libx264 @ 0x55de2d0a4240] final ratefactor: 21.16&#xA;    [aac @ 0x55de2d0a6c40] Qavg: 65536.000&#xA;    [aac @ 0x55de2d0a6c40] 2 frames left in the queue on closing&#xA;    [libx264 @ 0x55de2d0a8380] final ratefactor: 21.67&#xA;    [aac @ 0x55de2d084540] Qavg: 65536.000&#xA;    [aac @ 0x55de2d084540] 2 frames left in the queue on closing&#xA;    [libx264 @ 0x55de2d085c80] final ratefactor: 22.63&#xA;    [aac @ 0x55de2d088600] Qavg: 65536.000&#xA;    [aac @ 0x55de2d088600] 2 frames left in the queue on closing&#xA;    [libx264 @ 0x55de2d089d40] final ratefactor: 22.67&#xA;    [aac @ 0x55de2d08c5c0] Qavg: 65536.000&#xA;    [aac @ 0x55de2d08c5c0] 2 frames left in the queue on closing&#xA;    Conversion failed!&#xA;

    &#xA;

    I checked if I have MPEG DASH support enable and it is enabled in FFMPEG

    &#xA;