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Sur d’autres sites (7639)

  • Java merge ? mix ? 2 audio files(mp3) parallely and download it

    11 février 2024, par JoonSeo Yang

    is there any way to mix 2 audio files parallely and let user download it ?

    


    I was trying it by ffmpeg

    


    String audioInputPath1 = "sample_audio1.wav";
String audioInputPath2 = "sample_audio2.wav";
String outputFilePath1  = "filePath";
FFmpeg ffmpeg = new FFmpeg("C:\\filePath\\ffmpeg-master-latest-win64-gpl\\ffmpeg-master-latest-win64-gpl\\bin\\ffmpeg.exe");
FFmpegExecutor executor = new FFmpegExecutor(ffmpeg);
FFprobe ffprobe = new FFprobe("C:\\filePath\\ffmpeg-master-latest-win64-gpl\\ffmpeg-master-latest-win64-gpl\\bin\\ffprobe.exe");

FFmpegProbeResult probeResult = ffprobe.probe(audioInputPath1);
FFmpegProbeResult probeResult2 = ffprobe.probe(audioInputPath2);

FFmpegBuilder builder = new FFmpegBuilder()
.overrideOutputFiles(true)
.setInput(audioInputPath2)
.addInput(audioInputPath1)
.addOutput(outputFilePath2)
.setFormat("wav")
.setAudioCodec("libmp3lame")
.setAudioBitRate(256000)
.done();

executor.createJob(builder).run();


    


    after i run this code, i get proper .wav file at my outputfilepath, but what i get is just same copy of sample_audio2.wav. no concat, or merged with sample_audio1.wav can i get any help on this problem ??

    


  • Java merge ? mix ? 2 audio files(mp3) parallely and download it

    4 février 2024, par JoonSeo Yang

    is there any way to mix 2 audio files parallely and let user download it ?

    


    I was trying it by ffmpeg

    


    FFmpegBuilder builder = new FFmpegBuilder()
                .overrideOutputFiles(true)
                .setInput(audioInputPath1)
                .addInput(audioInputPath2)
                .addOutput(outputFilePath)
                .setFormat("mp3")
                .setAudioCodec("libmp3lame")
                .setAudioBitRate(256000)
                .done();

        executor.createJob(builder).run();


    


    but it doesnt work by codec problem, so i want to know if there any other way to reach my goal, or fix my ffmpeg code to make it work ?

    


  • Merge video and audio using ffmpeg and download immediately in django

    29 janvier 2024, par Suresh Chand

    I have video and audio file which is to be merge and download immediately. I have written some code but it will start download after merged. I want when user hit the url, then it will start merging and downloading immediately so that user don't have to wait for it.

    


    video_url = "./video.mp4"
audio_url = "./audio.mp4"

output_filepath = './merged.mp4'

try:
    process = subprocess.Popen([
        "ffmpeg",
        "-i", video_url,
        "-i", audio_url,
        "-c:v", "copy",
        "-c:a", "copy",
        "-f", "mp4",
        "-movflags", "frag_keyframe+empty_moov",
        "pipe:1"
    ], stdout=subprocess.PIPE)

    def generate_stream():
        while True:
            data = process.stdout.read(1024)
            if not data:
                break
            yield data

    response = StreamingHttpResponse(generate_stream(), content_type="video/mp4")
    response['Content-Disposition'] = 'attachment; filename="stream.mp4"'
    return response

except subprocess.CalledProcessError as e:
    return HttpResponse("Error: {}".format(e), status=500)


    


    But it will merge and then start downloading. I want to be at same time so that user don't have to wait until the merging process.

    


    I am using django and i am learning django

    


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