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  • Configurer la prise en compte des langues

    15 novembre 2010, par

    Accéder à la configuration et ajouter des langues prises en compte
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    12 avril 2011, par

    On ne revendique pas d’être les seuls à faire ce que l’on fait ... et on ne revendique surtout pas d’être les meilleurs non plus ... Ce que l’on fait, on essaie juste de le faire bien, et de mieux en mieux...
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  • Contribute to documentation

    13 avril 2011

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Sur d’autres sites (5246)

  • ffmpeg says "No JPEG data found in image" when reading image paths from Linux pipe

    18 septembre 2021, par user16945608

    I'm trying to convert a set of pictures into a video, and I want to read the file paths of the pictures from the pipe. The command I would like to run looks like this :

    


    find dir/*.JPG | sort | ffmpeg -f image2pipe -r 1 -vcodec mjpeg -s 6000x4000 -pix_fmt yuvj422p -i - -vcodec libx264 -s 1080x720 -r 20 -pix_fmt yuv420p out.mkv

    


    But I keep obtaining the No JPEG data found in image error. Here is the full log :

    


    Input #0, image2pipe, from 'pipe:':
  Duration: N/A, bitrate: N/A
  Stream #0:0: Video: mjpeg, yuvj422p(bt470bg/unknown/unknown), 6000x4000, 1 fps, 1 tbr, 1 tbn, 1 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
[mjpeg @ 0x558e98cd7300] No JPEG data found in image
Error while decoding stream #0:0: Invalid data found when processing input
[swscaler @ 0x558e98ce9440] deprecated pixel format used, make sure you did set range correctly
[libx264 @ 0x558e98cdaac0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x558e98cdaac0] profile High, level 3.1, 4:2:0, 8-bit
[libx264 @ 0x558e98cdaac0] 264 - core 161 r3039 544c61f - H.264/MPEG-4 AVC codec - Copyleft
2003-2021 - 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=6 lookahead_threads=1 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=20 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
Output #0, matroska, to 'out.mkv':
  Metadata:
    encoder         : Lavf58.76.100
  Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 1080x720, q=2-31, 20 fps, 1k tbn
    Metadata:
      encoder         : Lavc58.134.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
frame=    0 fps=0.0 q=0.0 Lsize=       1kB time=00:00:00.00 bitrate=N/A speed=   0x
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Conversion failed!


    


    The pictures are in the following format (with mediainfo) and the filenames are in the form DSC_1234.JPG :

    


    Format                                   : JPEG
Video
Format                                   : JPEG
Width                                    : 6 000 pixels
Height                                   : 4 000 pixels
Display aspect ratio                     : 3:2
Color space                              : YUV
Chroma subsampling                       : 4:2:2
Bit depth                                : 8 bits
Compression mode                         : Lossy


    


    Also, I would like to avoid using a solution without piping the paths (with -f image2 -i DSC_%04d.JPG for example). Do you have any idea what's happening ?

    


  • Can't play m3u8 file in VLC or decrypt it with ffmpeg

    22 septembre 2021, par Novice At Everything

    I have found and downloaded the m3u8 file using the developer tools in Edge. However, it won't play directly in VLC.

    


    I then downloaded all the segments referred to in the m3u8 file as well as the key and put them in the same folder as ffmpeg. The partial contents of the m3u8 file are :

    


    #EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:13
#EXT-X-MEDIA-SEQUENCE:1
#EXT-X-PLAYLIST-TYPE:VOD
#EXT-X-KEY:METHOD=AES-128,URI="keyfile.txt",IV=0x00000000000000000000000000000001
#EXTINF:12,
seg-1-z.ts
#EXT-X-KEY:METHOD=AES-128,URI="keyfile.txt",IV=0x00000000000000000000000000000002
#EXTINF:12,
seg-2-z.ts
...
#EXT-X-KEY:METHOD=AES-128,URI="keyfile.txt",IV=0x0000000000000000000000000000013E
#EXTINF:8,
seg-318-z.ts
#EXT-X-ENDLIST


    


    The keyfile.txt contents are : eyJwYXNzcGhyYXNlIjoiNjE0YjQ5NTYzYTdlYiIsImNpcGhlcnRleHQiOiJlamZOTWRSZjltY3Z4R1JRTFg2cVMralJJTmZaUGJyMXVyaFhhTVZ1QVptSUpXZVdYMkZLQ0t1Q0ZCYUQwY3FYIiwiaXYiOiIxZTNlNzg3ZjNjYmRlOGViZDdlZTBkNWVhZDA1NmEzNCIsInNhbHQiOiIwNjc3M2I1OWE1Y2IxZjA3ODdkYmEzZTAwYWZmNGIzNyJ9

    


    This is what I get when I run ffmpeg :

    


    C:\Test\download>ffmpeg -allowed_extensions ALL -i "play.m3u8" -c copy "test.ts"
ffmpeg version 2021-09-16-git-8f92a1862a-essentials_build-www.gyan.dev Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10.3.0 (Rev5, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-sdl2 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libgme --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libtheora --enable-libvo-amrwbenc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-librubberband
  libavutil      57.  5.100 / 57.  5.100
  libavcodec     59.  7.103 / 59.  7.103
  libavformat    59.  5.100 / 59.  5.100
  libavdevice    59.  0.101 / 59.  0.101
  libavfilter     8.  9.100 /  8.  9.100
  libswscale      6.  1.100 /  6.  1.100
  libswresample   4.  0.100 /  4.  0.100
  libpostproc    56.  0.100 / 56.  0.100
[hls @ 000001c67608d140] Skip ('#EXT-X-VERSION:3')
[hls @ 000001c67608d140] Opening 'keyfile.txt' for reading
[hls @ 000001c67608d140] Opening 'crypto:seg-1-z.ts' for reading
[hls @ 000001c67608d140] Error when loading first segment 'seg-1-z.ts'
play.m3u8: Invalid data found when processing input


    


    Can anyone help ? Thanks

    


  • How to manipulate files by ffmpeg in Android 31 : permission denied

    17 septembre 2021, par Omid.N

    I am trying to use FFmpeg in my android app. So I want to test it if it works before moving on. I use an external library : github link
    
The code looks like this :

    


    package net.omidn.aslanmediaconverter;

import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

import com.arthenica.ffmpegkit.ExecuteCallback;
import com.arthenica.ffmpegkit.FFmpegKit;
import com.arthenica.ffmpegkit.FFmpegSession;
import com.arthenica.ffmpegkit.Session;

import net.bramp.ffmpeg.job.FFmpegJob;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;


public class MainActivity extends AppCompatActivity {
    
    private static final String TAG = "MainActivity";
    FFmpegJob myjob;

    @Override
    protected void onCreate(Bundle savedInstanceState) {


        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        TextView textView = (TextView) findViewById(R.id.text_view);


        FFmpegJob job = null;

        File inFile = new File("/storage/emulated/0/video_2021-05-29_17-50-20.mp4");
        String inputName = Uri.fromFile(inFile).toString();
        Log.d(TAG, inputName);
        Log.d(TAG,"file exists : " + String.valueOf(inFile.exists()));
        Log.d(TAG,"file canRead : " + String.valueOf(inFile.canRead()));

        FFmpegSession fFmpegSession = FFmpegKit.executeAsync("-i file:///storage/emulated/0/video_2021-05-29_17-50-20.mp4 -c:v mpeg4 file:///storage/emulated/0/out.mp4",
                new ExecuteCallback() {
                    @Override
                    public void apply(Session session) {

                    }
                });
        try {
            Thread.sleep(5000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        textView.setText("" + fFmpegSession.getState().name() + "    " + fFmpegSession.getOutput());
    }

}



    


    As you can see I give the files with file:/// protocol. If I don't use that the resault is the same. The three lines of Log.d(...) will print :

    


    2021-06-03 00:58:08.869 8376-8376/net.omidn.aslanmediaconverter D/MainActivity: file:///storage/emulated/0/video_2021-05-29_17-50-20.mp4
2021-06-03 00:58:08.869 8376-8376/net.omidn.aslanmediaconverter D/MainActivity: file exists : true
2021-06-03 00:58:08.869 8376-8376/net.omidn.aslanmediaconverter D/MainActivity: file canRead : false


    


    The video file has read access on the storage :
The video file has read access

    


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