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Sur d’autres sites (8593)

  • prevent ffmpeg to write metadata to m2ts file

    20 septembre 2018, par jizaz

    How to prevent ffmpeg to write "Service name", "Service provider", "Service type" and other data to m2ts file ? Or how to remove this text Menu ?
    See from Mediainfo :

    Menu
    
ID                          : 4096 (0x1000)
    
Menu ID                     : 1 (0x1)
    
Duration                    : 5s 339ms
    
List                        : 256 (0x100) (AVC) / 257 (0x101) (AAC, English)
    
Language                    :  / English
    
Service name                : Service01
    
Service provider            : FFmpeg
    
Service type                : digital television

  • FFMPEG android is processing slow

    25 août 2018, par jpc

    I’m using https://github.com/WritingMinds/ffmpeg-android-java as my framework for FFMPEG

    I’m trying to convert an image to a video using this command

    ffmpeg -y -loop 1 -i input.jpg -strict -2 -vcodec mpeg4 -t 5 -pix_fmt yuv420p out.mp4

    It took about 32 seconds to finish the process which is very slow for my requirements.

    Is there a way to speed this up ? I’m thinking of something around 5 seconds, perhaps approximately equal to the specified length of the video

    here’s the log btw

    11-23 12:12:13.587 4228-4228/com.lo.and.dev W/com.lo.and.util: WARNING: linker: /data/data/com.lo.and.dev/files/ffmpeg has text relocations. This is wasting memory and prevents security hardening. Please fix.
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util: ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   built on Oct  7 2014 15:08:46 with gcc 4.8 (GCC)
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   configuration: --target-os=linux --cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a-neon --extra-cflags='-I/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -mfpu=neon' --extra-ldflags='-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   libavutil      54.  7.100 / 54.  7.100
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   libavcodec     56.  1.100 / 56.  1.100
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   libavformat    56.  4.101 / 56.  4.101
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   libavdevice    56.  0.100 / 56.  0.100
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   libavfilter     5.  1.100 /  5.  1.100
    
11-23 12:12:13.617 4228-4228/com.lo.and.dev W/com.lo.and.util:   libswscale      3.  0.100 /  3.  0.100
    
11-23 12:12:13.617 4228-4228/com.lo.and.dev W/com.lo.and.util:   libswresample   1.  1.100 /  1.  1.100
    
11-23 12:12:13.617 4228-4228/com.lo.and.dev W/com.lo.and.util:   libpostproc    53.  0.100 / 53.  0.100
    
11-23 12:12:13.707 4228-4228/com.lo.and.dev W/com.lo.and.util: Input #0, image2, from '/storage/emulated/0/DCIM/Camera/20151122_172809.jpg':
    
11-23 12:12:13.707 4228-4228/com.lo.and.dev W/com.lo.and.util:   Duration: 00:00:00.04, start: 0.000000, bitrate: 95165 kb/s
    
11-23 12:12:13.717 4228-4228/com.lo.and.dev W/com.lo.and.util:     Stream #0:0: Video: mjpeg, yuvj422p(pc, bt470bg), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 25 tbn, 25 tbc
    
11-23 12:12:13.727 4228-4228/com.lo.and.dev W/com.lo.and.util: [swscaler @ 0xb5d89000] deprecated pixel format used, make sure you did set range correctly
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util: Output #0, mp4, to '/storage/emulated/0/DCIM/out.mp4':
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:   Metadata:
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:     encoder         : Lavf56.4.101
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:     Stream #0:0: Video: mpeg4 ( [0][0][0] / 0x0020), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 25 fps, 12800 tbn, 25 tbc
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:     Metadata:
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:       encoder         : Lavc56.1.100 mpeg4
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util: Stream mapping:
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:   Stream #0:0 -> #0:0 (mjpeg (native) -> mpeg4 (native))
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util: Press [q] to stop, [?] for help
    
11-23 12:12:14.707 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=    3 fps=0.0 q=2.0 size=     343kB time=00:00:00.12 bitrate=23400.5kbits/s    
    
11-23 12:12:15.247 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=    5 fps=4.2 q=4.9 size=     345kB time=00:00:00.20 bitrate=14125.9kbits/s    
    
11-23 12:12:15.737 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=    7 fps=4.0 q=10.2 size=     347kB time=00:00:00.28 bitrate=10149.8kbits/s    
    
11-23 12:12:16.467 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   10 fps=4.1 q=18.9 size=     350kB time=00:00:00.40 bitrate=7167.7kbits/s    
    
11-23 12:12:17.037 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   12 fps=4.0 q=24.8 size=     352kB time=00:00:00.48 bitrate=6007.9kbits/s    
    
11-23 12:12:17.567 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   14 fps=3.9 q=27.8 size=     403kB time=00:00:00.56 bitrate=5893.7kbits/s    
    
11-23 12:12:18.337 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   17 fps=4.0 q=31.0 size=     406kB time=00:00:00.68 bitrate=4891.5kbits/s    
    
11-23 12:12:18.847 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   19 fps=3.9 q=31.0 size=     408kB time=00:00:00.76 bitrate=4398.6kbits/s    
    
11-23 12:12:19.607 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   22 fps=3.9 q=31.0 size=     411kB time=00:00:00.88 bitrate=3827.4kbits/s    
    
11-23 12:12:20.107 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   24 fps=3.9 q=31.0 size=     413kB time=00:00:00.96 bitrate=3525.9kbits/s    
    
11-23 12:12:20.637 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   26 fps=3.9 q=31.0 size=     460kB time=00:00:01.04 bitrate=3624.3kbits/s    
    
11-23 12:12:21.157 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   28 fps=3.9 q=31.0 size=     462kB time=00:00:01.12 bitrate=3381.1kbits/s    
    
11-23 12:12:21.667 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   30 fps=3.9 q=31.0 size=     464kB time=00:00:01.20 bitrate=3169.7kbits/s    
    
11-23 12:12:22.167 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   32 fps=3.9 q=31.0 size=     466kB time=00:00:01.28 bitrate=2984.6kbits/s    
    
11-23 12:12:22.897 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   35 fps=3.9 q=31.0 size=     469kB time=00:00:01.40 bitrate=2746.8kbits/s    
    
11-23 12:12:23.657 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   38 fps=3.9 q=31.0 size=     517kB time=00:00:01.52 bitrate=2788.3kbits/s    
    
11-23 12:12:24.387 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   41 fps=4.0 q=31.0 size=     521kB time=00:00:01.64 bitrate=2600.1kbits/s    
    
11-23 12:12:24.887 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   43 fps=3.9 q=31.0 size=     523kB time=00:00:01.72 bitrate=2488.9kbits/s    
    
11-23 12:12:25.417 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   45 fps=3.9 q=31.0 size=     525kB time=00:00:01.80 bitrate=2387.6kbits/s    
    
11-23 12:12:25.967 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   47 fps=3.9 q=31.0 size=     527kB time=00:00:01.88 bitrate=2294.9kbits/s    
    
11-23 12:12:26.477 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   49 fps=3.9 q=24.8 size=     572kB time=00:00:01.96 bitrate=2390.0kbits/s    
    
11-23 12:12:27.297 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   52 fps=3.9 q=31.0 size=     577kB time=00:00:02.08 bitrate=2271.5kbits/s    
    
11-23 12:12:27.987 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   55 fps=3.9 q=31.0 size=     580kB time=00:00:02.20 bitrate=2159.1kbits/s    
    
11-23 12:12:28.737 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   58 fps=3.9 q=31.0 size=     583kB time=00:00:02.32 bitrate=2058.2kbits/s    
    
11-23 12:12:29.247 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   60 fps=3.9 q=31.0 size=     585kB time=00:00:02.40 bitrate=1996.6kbits/s    
    
11-23 12:12:30.017 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   63 fps=3.9 q=31.0 size=     633kB time=00:00:02.52 bitrate=2057.7kbits/s    
    
11-23 12:12:30.557 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   65 fps=3.9 q=31.0 size=     635kB time=00:00:02.60 bitrate=2000.8kbits/s    
    
11-23 12:12:31.057 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   67 fps=3.9 q=31.0 size=     637kB time=00:00:02.68 bitrate=1947.4kbits/s    
    
11-23 12:12:31.627 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   69 fps=3.9 q=31.0 size=     639kB time=00:00:02.76 bitrate=1897.0kbits/s    
    
11-23 12:12:32.167 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   71 fps=3.9 q=31.0 size=     641kB time=00:00:02.84 bitrate=1849.5kbits/s    
    
11-23 12:12:32.927 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   74 fps=3.9 q=31.0 size=     689kB time=00:00:02.96 bitrate=1907.2kbits/s    
    
11-23 12:12:33.407 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   76 fps=3.9 q=31.0 size=     691kB time=00:00:03.04 bitrate=1862.8kbits/s    
    
11-23 12:12:34.157 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   79 fps=3.9 q=31.0 size=     694kB time=00:00:03.16 bitrate=1800.0kbits/s    
    
11-23 12:12:34.657 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   81 fps=3.9 q=31.0 size=     696kB time=00:00:03.24 bitrate=1760.7kbits/s    
    
11-23 12:12:35.217 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   83 fps=3.9 q=31.0 size=     698kB time=00:00:03.32 bitrate=1723.3kbits/s    
    
11-23 12:12:35.777 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   85 fps=3.9 q=24.8 size=     744kB time=00:00:03.40 bitrate=1791.6kbits/s    
    
11-23 12:12:36.297 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   87 fps=3.9 q=31.0 size=     747kB time=00:00:03.48 bitrate=1759.6kbits/s    
    
11-23 12:12:36.827 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   89 fps=3.9 q=31.0 size=     750kB time=00:00:03.56 bitrate=1724.8kbits/s    
    
11-23 12:12:37.547 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   92 fps=3.9 q=31.0 size=     753kB time=00:00:03.68 bitrate=1675.4kbits/s    
    
11-23 12:12:38.297 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   95 fps=3.9 q=31.0 size=     756kB time=00:00:03.80 bitrate=1629.1kbits/s    
    
11-23 12:12:38.797 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   97 fps=3.9 q=24.8 size=     801kB time=00:00:03.88 bitrate=1690.8kbits/s    
    
11-23 12:12:39.547 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  100 fps=3.9 q=31.0 size=     806kB time=00:00:04.00 bitrate=1650.2kbits/s    
    
11-23 12:12:40.047 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  102 fps=3.9 q=31.0 size=     808kB time=00:00:04.08 bitrate=1621.9kbits/s    
    
11-23 12:12:40.807 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  105 fps=3.9 q=31.0 size=     811kB time=00:00:04.20 bitrate=1581.6kbits/s    
    
11-23 12:12:41.267 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  107 fps=3.9 q=31.0 size=     813kB time=00:00:04.28 bitrate=1555.9kbits/s    
    
11-23 12:12:42.057 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  110 fps=3.9 q=31.0 size=     861kB time=00:00:04.40 bitrate=1602.8kbits/s    
    
11-23 12:12:42.557 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  112 fps=3.9 q=31.0 size=     863kB time=00:00:04.48 bitrate=1578.1kbits/s    
    
11-23 12:12:43.307 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  115 fps=3.9 q=31.0 size=     866kB time=00:00:04.60 bitrate=1542.4kbits/s    
    
11-23 12:12:43.817 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  117 fps=3.9 q=31.0 size=     868kB time=00:00:04.68 bitrate=1519.6kbits/s    
    
11-23 12:12:44.517 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  120 fps=3.9 q=31.0 size=     871kB time=00:00:04.80 bitrate=1486.8kbits/s    
    
11-23 12:12:45.277 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  123 fps=3.9 q=31.0 size=     919kB time=00:00:04.92 bitrate=1530.6kbits/s    
    
11-23 12:12:45.987 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  125 fps=3.9 q=31.0 size=     921kB time=00:00:05.00 bitrate=1509.4kbits/s    
    
11-23 12:12:45.987 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  125 fps=3.9 q=31.0 Lsize=     923kB time=00:00:05.00 bitrate=1511.6kbits/s    
    
11-23 12:12:45.987 4228-4228/com.lo.and.dev W/com.lo.and.util: video:921kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.148301%

  • ffmpeg decode h264 to bgra raw video for fbdev

    19 juillet 2018, par bkvaluemeal

    I’m trying to stream video between two Raspberry Pis. I have video encoding working just fine, but the decoding is proving to be a challenge. No matter what I do it seems that the video is always in the yuv420p color space and thus incompatible with fbdev. My end goal is to display the raw video on /dev/fb0 without any X server running. Could someone point me in the right direction ?

    This is the command I’m using to encode.

    ffmpeg -s 1280x720 -c:v h264_mmal -i /dev/video0 -b:v 1M -f mpegts udp:<ip>:<port>
    
</port></ip>

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