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Sur d’autres sites (15083)

  • Call FFmpeg via JavaCPP：Caused by : java.lang.NoClassDefFoundError : Could not initialize class org.bytedeco.javacpp.avformat$AVFormatContext

    8 décembre 2017, par Xuan

    In CentOS, use javacpp call FFmpeg to do video cropping a frame, in my own development machine using this code is no problem, but in centos6 reported NoClassDefFound : Could not initialize class org.bytedeco.javacpp.avutil

    Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.bytedeco.javacpp.avformat$AVFormatContext
    
    at org.bytedeco.javacv.FFmpegFrameGrabber.startUnsafe(FFmpegFrameGrabber.java:383) ~[javacv-1.0.jar:1.0]
    
    at org.bytedeco.javacv.FFmpegFrameGrabber.start(FFmpegFrameGrabber.java:377) ~[javacv-1.0.jar:1.0]
    
    at cn.xxtui.support.upload.BasicUpload.convertImage(BasicUpload.java:211) ~[classes/:?]
    
    at cn.xxtui.support.upload.BasicUpload.upload(BasicUpload.java:197) ~[classes/:?]
    
    at cn.com.ql.wiseBeijing.upload.UploadImage.upload(UploadImage.java:144) ~[classes/:?]
    
    at cn.com.ql.wiseBeijing.upload.UploadImage.imageCategory(UploadImage.java:51) ~[classes/:?]
    
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_25]
    
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_25]
    
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_25]
    
    at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_25]
    
    at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180) ~[cxf-core-3.1.12.jar:3.1.12]
    
    at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[cxf-core-3.1.12.jar:3.1.12]
    
    ... 37 more

    This is my pom configuration：

    <dependency>
    
    <groupid>org.bytedeco</groupid>
    
    <artifactid>javacv</artifactid>
    
    <version>1.0</version>
    
</dependency>
    
<dependency>
    
    <groupid>org.bytedeco</groupid>
    
    <artifactid>javacpp</artifactid>
    
    <version>1.0</version>
    
</dependency>
    
<dependency>
    
    <groupid>com.github.hoary.ffmpeg</groupid>
    
    <artifactid>FFmpeg-linux-x86_64</artifactid>
    
    <version>2.0.1.1
    
    </version>
    
</dependency>
    
<dependency>
    
    <groupid>org.bytedeco.javacpp-presets</groupid>
    
    <artifactid>ffmpeg</artifactid>
    
    <version>2.7.1-1.0</version>
    
</dependency>

    This is my code：

    public String convertImage(String filePath, String imagePath) throws IOException, FrameGrabber.Exception {
    
    FFmpegFrameGrabber g = new FFmpegFrameGrabber(filePath);
    
    g.start();
    
    Java2DFrameConverter java2DFrameConverter = new Java2DFrameConverter();
    
    BufferedImage bufferedImage = java2DFrameConverter.convert(g.grabImage());
    
    String path = imagePath + System.currentTimeMillis() + ".png";
    
    ImageIO.write(bufferedImage, "png", new File(path));
    
    g.stop();
    
    return path;
    
}

  • Can't render or join Hindi ligatures in FFmpeg drawtext

    28 février 2024, par praveenK

    I have been trying to drawtext over a video in Hindi language but some characters are not rendering properly :

    &#xA;

    output

    &#xA;

    The proper way is :

    &#xA;

    should be

    &#xA;

    I have enabled libfridi, libfontconfig and libfreetype.

    &#xA;

    Even tried on Ubuntu.

    &#xA;

    ANS : please see comment to Pops answer.

    &#xA;

  • Concatenating video using FFMPEG wrapper class [duplicate]

    21 décembre 2017, par alan samuel

    This question already has an answer here :

    I am trying to concatenate video using NReco.VideoConverter wrapper class made for FFMPEG.

    I have three video files with the same frame rate and same frame size.

    Here is what I have done.

            string toconcatfile = @"C:\Users\Alan\Desktop\Black.mp4";
    
        string output1 = @"C:\Users\Alan\Desktop\output1.mp4";
    
        string output2 = @"C:\Users\Alan\Desktop\output2.mp4";
    
        string finaloutput = @"C:\Users\Alan\Desktop\finaloutput.mp4";

    All the three videos have a frame rate of 25 and Video frame size yet it fails when I add in toconcatfile to the final conversion method.

    It works when its just output1 and output2 meaning there must be a different setting in toconcatfile.

    Here is what I have tried.

            FFMpegConverter fFMpeg = new FFMpegConverter();
    

    

    
        //Slices first video
    
        ConvertSettings settings = new ConvertSettings
    
        {
    
            VideoFrameRate = 25,
    
            VideoFrameSize = FrameSize.hd480,
    
            MaxDuration = startcut,
    
            AudioSampleRate = 44100
    

    
        };
    

    
        //Slices second video
    
        ConvertSettings settings2 = new ConvertSettings
    
        {
    
            VideoFrameRate = 25,
    
            VideoFrameSize = FrameSize.hd480,
    
            Seek = endcut,
    
            AudioSampleRate = 44100
    

    
        };
    
        //Copies framerate and size from the previous video to the concatenation video
    
        ConvertSettings settings3 = new ConvertSettings
    
        {
    
            VideoFrameRate = 25,
    
            VideoFrameSize = FrameSize.hd480,
    
            MaxDuration = 4,
    
            AppendSilentAudioStream = true,
    
            AudioSampleRate = 44100
    

    
        };
    

    

    
  string newblack = @"C:\Users\Alan\Desktop\newblack.mp4";
    

    
        //Slice method called
    
        fFMpeg.ConvertMedia(pathtofile, Format.mp4, output1, Format.mp4, settings);
    
        fFMpeg.ConvertMedia(pathtofile, Format.mp4, output2, Format.mp4, settings2);
    
        fFMpeg.ConvertMedia(toconcatfile, Format.mp4, newblack, Format.mp4, settings3);
    

    
        String[] inputfiles = new String[2];
    
        inputfiles[0] = output1;
    
        inputfiles[1] = newblack;
    
        //inputfiles[1] = output2;
    

    

    
        ConcatSettings concatSettings = new ConcatSettings
    
        {
    
            //CustomOutputArgs = output1+" "+ toconcatfile+ " "+output2+ " -filter_complex \"[0:v:0][0:a:0][1:v:0][1:a:0][2:v:0][2:a:0]concat=n=3:v=1:a=1[outv][outa]\" -map \"[outv]\" - map \"[outa]\""
    
        };
    

    
        fFMpeg.ConcatMedia(inputfiles, finaloutput, Format.mp4, concatSettings);

    Can anyone help ?

    Edit : I get the exception message - "Invalid argument (exit code : 1)",

    Here is the output log of FFMPEG

            FFMPEG LOG ITEM - ffmpeg version 3.2.2 Copyright (c) 2000-2016 the 
    
            FFmpeg developers
    
FFMPEG LOG ITEM -   built with gcc 5.4.0 (GCC)
    
FFMPEG LOG ITEM -   configuration: --enable-gpl --enable-version3 --enable-
    

    
dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --
    

    
enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
    
FFMPEG LOG ITEM -   libavutil      55. 34.100 / 55. 34.100
    
FFMPEG LOG ITEM -   libavcodec     57. 64.101 / 57. 64.101
    
FFMPEG LOG ITEM -   libavformat    57. 56.100 / 57. 56.100
    
FFMPEG LOG ITEM -   libavdevice    57.  1.100 / 57.  1.100
    
FFMPEG LOG ITEM -   libavfilter     6. 65.100 /  6. 65.100
    
FFMPEG LOG ITEM -   libswscale      4.  2.100 /  4.  2.100
    
FFMPEG LOG ITEM -   libswresample   2.  3.100 /  2.  3.100
    
FFMPEG LOG ITEM -   libpostproc    54.  1.100 / 54.  1.100
    
FFMPEG LOG ITEM - Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\Alan\Desktop\output1.mp4':
    
FFMPEG LOG ITEM -   Metadata:
    
FFMPEG LOG ITEM -     major_brand     : isom
    
FFMPEG LOG ITEM -     minor_version   : 512
    
FFMPEG LOG ITEM -     compatible_brands: isomiso2avc1mp41
    
FFMPEG LOG ITEM -     encoder         : Lavf57.56.100
    
FFMPEG LOG ITEM -   Duration: 00:00:30.02, start: 0.000000, bitrate: 543 kb/s
    
FFMPEG LOG ITEM -     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 852x480 [SAR 3893:2872 DAR 276403:114880], 407 kb/s, SAR 12800:9443 DAR 320:133, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    
FFMPEG LOG ITEM -     Metadata:
    
FFMPEG LOG ITEM -       handler_name    : VideoHandler
    
FFMPEG LOG ITEM -     Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 129 kb/s (default)
    
FFMPEG LOG ITEM -     Metadata:
    
FFMPEG LOG ITEM -       handler_name    : SoundHandler
    
FFMPEG LOG ITEM - Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\Alan\Desktop\newblack.mp4':
    
FFMPEG LOG ITEM -   Metadata:
    
FFMPEG LOG ITEM -     major_brand     : isom
    
FFMPEG LOG ITEM -     minor_version   : 512
    
FFMPEG LOG ITEM -     compatible_brands: isomiso2avc1mp41
    
FFMPEG LOG ITEM -     encoder         : Lavf57.56.100
    
FFMPEG LOG ITEM -   Duration: 00:00:04.02, start: 0.000000, bitrate: 19 kb/s
    
FFMPEG LOG ITEM -     Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 852x480 [SAR 160:213 DAR 4:3], 7 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    
FFMPEG LOG ITEM -     Metadata:
    
FFMPEG LOG ITEM -       handler_name    : VideoHandler
    
FFMPEG LOG ITEM -     Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    
FFMPEG LOG ITEM -     Metadata:
    
FFMPEG LOG ITEM -       handler_name    : SoundHandler
    
FFMPEG LOG ITEM - Input #2, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\Alan\Desktop\output2.mp4':
    
FFMPEG LOG ITEM -   Metadata:
    
FFMPEG LOG ITEM -     major_brand     : isom
    
FFMPEG LOG ITEM -     minor_version   : 512
    
FFMPEG LOG ITEM -     compatible_brands: isomiso2avc1mp41
    
FFMPEG LOG ITEM -     encoder         : Lavf57.56.100
    
FFMPEG LOG ITEM -   Duration: 00:01:34.22, start: 0.000000, bitrate: 1058 kb/s
    
FFMPEG LOG ITEM -     Stream #2:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 852x480 [SAR 3893:2872 DAR 276403:114880], 923 kb/s, SAR 12800:9443 DAR 320:133, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    
FFMPEG LOG ITEM -     Metadata:
    
Exception thrown: 'NReco.VideoConverter.FFMpegException' in NReco.VideoConverter.dll
    
FFMPEG LOG ITEM -       handler_name    : VideoHandler
    
FFMPEG LOG ITEM -     Stream #2:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
    
FFMPEG LOG ITEM -     Metadata:
    
FFMPEG LOG ITEM -       handler_name    : SoundHandler
    
FFMPEG LOG ITEM - [Parsed_concat_0 @ 04ded5e0] Input link in1:v0 parameters (size 852x480, SAR 160:213) do not match the corresponding output link in0:v0 parameters (852x480, SAR 12800:9443)
    
FFMPEG LOG ITEM - [Parsed_concat_0 @ 04ded5e0] Failed to configure output pad on Parsed_concat_0
    
FFMPEG LOG ITEM - Error configuring complex filters.
    
FFMPEG LOG ITEM - Invalid argument

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