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• Error : Output format mp4 is not available

  12 avril 2024, par alpaca pwaa

  I'm using fluent-ffmpeg in my nextjs application, I'm trying to process the video and specified a format to stream on my s3 bucket but it keeps on failing. My terminal keeps on throwing "Error : Error : Output format mp4 is not available". I already verify my ffmpeg format "ffmpeg -format" and confirm that it supports encoding and decoding mp4 files. I've already tried solutions from other forums but it's not working for me.

  


  createVideo: privateProcedure
    .input(
      z.object({
        fileId: z.string(),
      })
    )
    .mutation(async ({ ctx, input }) => {
      const { getUser } = getKindeServerSession();
      const user = await getUser();

      if (!user || !user.id || !user.email) {
        throw new TRPCError({ code: "UNAUTHORIZED" });
      }

      const dbUser = await db.user.findFirst({
        where: {
          id: user.id,
        },
      });

      if (!dbUser) {
        throw new TRPCError({
          code: "UNAUTHORIZED",
          message: "User not found in the database.",
        });
      }

      const putObjectCommand = new PutObjectCommand({
        Bucket: process.env.AWS_BUCKET_NAME!,
        Key: generateFileName(),
      });

      const s3 = new S3Client({
        region: process.env.AWS_BUCKET_REGION!,
        credentials: {
          accessKeyId: process.env.AWS_ACCESS_KEY!,
          secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY!,
        },
      });

      const singedURL = await getSignedUrl(s3, putObjectCommand, {
        expiresIn: 60,
      });

      const ffmpeg = require("fluent-ffmpeg");
      const passthroughStream = new PassThrough();

      ffmpeg({ source: "./template1.mp4" })
        .on("end", async () => {
          console.log("Job done");
          await uploadToS3(passthroughStream);
        })
        .on("error", (error: string) => {
          console.error("Error:", error);
          throw new Error("Error processing video");
        })
        .videoFilter({
          filter: "drawtext",
          options: {
            text: "hi",
            fontsize: 24,
            fontcolor: "white",
            x: "(w-text_w)/2",
            y: "(h-text_h)/2",
            box: 1,
            boxcolor: "black@0.5",
            boxborderw: 5,
            fontfile: "/Windows/fonts/calibri.ttf",
          },
        })
        .videoCodec("libx264")
        .outputFormat("mp4")
        .outputOptions(["-movflags frag_keyframe+empty_moov"])
        .pipe(passthroughStream, { end: true });

      const uploadToS3 = async (stream: PassThrough) => {
        const upload = new Upload({
          client: s3,
          params: {
            Bucket: process.env.AWS_BUCKET_NAME!,
            Key: generateFileName(),
            Body: stream,
          },
        });
        await upload.done();
      };

      await new Promise((resolve, reject) => {
        passthroughStream.on("end", resolve);
        passthroughStream.on("error", reject);
      });

      const createdVideo = await db.video.create({
        data: {
          name: "Test Name",
          url: singedURL.split("?")[0],
          key: singedURL,
          fileId: input.fileId,
        },
      });

      return createdVideo;
    }),


  


  Here's the ffmpeg log.

  


  ffmpeg started on 2024-04-11 at 20:58:56
Report written to "ffmpeg-20240411-205856.log"
Log level: 48
Command line:
"C:\\ProgramData\\chocolatey\\lib\\ffmpeg-full\\tools\\ffmpeg\\bin\\ffmpeg.exe" -i ./template1.mp4 -filter:v "drawtext=text=hi:fontsize=24:fontcolor=white:x=(w-text_w)/2:y=(h-text_h)/2:box=1:boxcolor=black@0.5:boxborderw=5:fontfile=/Windows/fonts/calibri.ttf" -report pipe:1
ffmpeg version 7.0-full_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers
  built with gcc 13.2.0 (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-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libxevd --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxeve --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-f  libavutil      59.  8.100 / 59.  8.100
  libavcodec     61.  3.100 / 61.  3.100
  libavformat    61.  1.100 / 61.  1.100
  libavdevice    61.  1.100 / 61.  1.100
  libavfilter    10.  1.100 / 10.  1.100
  libswscale      8.  1.100 /  8.  1.100
  libswresample   5.  1.100 /  5.  1.100
  libpostproc    58.  1.100 / 58.  1.100
Splitting the commandline.
Reading option '-i' ... matched as input url with argument './template1.mp4'.
Reading option '-filter:v' ... matched as option 'filter' (apply specified filters to audio/video) with argument 'drawtext=text=hi:fontsize=24:fontcolor=white:x=(w-text_w)/2:y=(h-text_h)/2:box=1:boxcolor=black@0.5:boxborderw=5:fontfile=/Windows/fonts/calibri.ttf'.
Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
Reading option 'pipe:1' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option report (generate a report) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input url ./template1.mp4.
Successfully parsed a group of options.
Opening an input file: ./template1.mp4.
[AVFormatContext @ 00000262cd0888c0] Opening './template1.mp4' for reading
[file @ 00000262cd0a94c0] Setting default whitelist 'file,crypto,data'
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000262cd0888c0] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000262cd0888c0] ISO: File Type Major Brand: isom
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000262cd0888c0] Unknown dref type 0x206c7275 size 12
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000262cd0888c0] Processing st: 0, edit list 0 - media time: 1024, duration: 126981
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000262cd0888c0] Offset DTS by 1024 to make first pts zero.
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000262cd0888c0] Setting codecpar->delay to 2 for stream st: 0
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000262cd0888c0] Before avformat_find_stream_info() pos: 6965 bytes read:32768 seeks:0 nb_streams:1
[h264 @ 00000262cd0bb140] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 00000262cd0bb140] Decoding VUI
[h264 @ 00000262cd0bb140] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 00000262cd0bb140] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 00000262cd0bb140] Decoding VUI
[h264 @ 00000262cd0bb140] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 00000262cd0bb140] Decoding VUI
[h264 @ 00000262cd0bb140] nal_unit_type: 6(SEI), nal_ref_idc: 0
[h264 @ 00000262cd0bb140] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 00000262cd0bb140] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 00000262cd0bb140] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 00000262cd0bb140] Decoding VUI
[h264 @ 00000262cd0bb140] Format yuv420p chosen by get_format().
[h264 @ 00000262cd0bb140] Reinit context to 1088x1920, pix_fmt: yuv420p
[h264 @ 00000262cd0bb140] no picture 
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000262cd0888c0] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000262cd0888c0] After avformat_find_stream_info() pos: 82242 bytes read:82242 seeks:0 frames:1
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from './template1.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.76.100
  Duration: 00:00:08.27, start: 0.000000, bitrate: 3720 kb/s
  Stream #0:0[0x1](und), 1, 1/15360: Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1080x1920, 3714 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
      Metadata:
        handler_name    : VideoHandler
        vendor_id       : [0][0][0][0]
Successfully opened the file.
Parsing a group of options: output url pipe:1.
Applying option filter:v (apply specified filters to audio/video) with argument drawtext=text=hi:fontsize=24:fontcolor=white:x=(w-text_w)/2:y=(h-text_h)/2:box=1:boxcolor=black@0.5:boxborderw=5:fontfile=/Windows/fonts/calibri.ttf.
Successfully parsed a group of options.
Opening an output file: pipe:1.
[AVFormatContext @ 00000262cd0b2240] Unable to choose an output format for 'pipe:1'; use a standard extension for the filename or specify the format manually.
[out#0 @ 00000262cd0bb300] Error initializing the muxer for pipe:1: Invalid argument
Error opening output file pipe:1.
Error opening output files: Invalid argument
[AVIOContext @ 00000262cd0a9580] Statistics: 82242 bytes read, 0 seeks


  


  I should be able to stream the processed video to my s3, but it keeps on throwing "Error : Error : Output format mp4 is not available"

  


• How to set min, max and avg bitrate or vbv delay using FFMPEG for livestream in Python ? [closed]

  10 mai 2024, par Tebyy

  I'm trying to set the minimum, maximum, and average bitrate or vbv delay for a WebM livestream in Python using FFMPEG, but it still shows "0" or "N/A". I've checked the documentation, and everything seems correct. I've also searched for solutions online, but none of them have solved my problem. Does anyone know what I might be doing wrong and how it should be done correctly ?

  


  FFMPEG Command :

  


  ffmpeg_command = [
        'ffmpeg', '-f', 'rawvideo', '-pix_fmt', 'bgr24',
        '-s:v', '1920x1080', '-r', '60',
        '-i', '-',
        # '-an',  # Turn off the audio track
        '-c:v', 'libvpx-vp9', '-g', '60', '-keyint_min', '60',
        '-b:v', '6M', '-minrate', '4M', '-maxrate', '12M', '-bufsize', '8M',
        '-crf', '0', '-deadline', 'realtime', '-tune', 'psnr', '-quality', 'good',
        '-tile-columns', '6', '-threads', '16', '-lag-in-frames', '16',
        '-f', 'webm', '-'
    ]


  


  PyCharm Console Logs :

  


  ffmpeg version N-115112-g39ce8a9695-20240507 Copyright (c) 2000-2024 the FFmpeg developers
  built with gcc 13.2.0 (crosstool-NG 1.26.0.65_ecc5e41)
  configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-fontconfig --enable-libharfbuzz --enable-libvorbis --enable-opencl --disable-libpulse --enable-libvmaf --disable-libxcb --disable-xlib --enable-amf --enable-libaom --enable-libaribb24 --enable-avisynth --enable-chromaprint --enable-libdav1d --enable-libdavs2 --enable-libdvdread --enable-libdvdnav --disable-libfdk-aac --enable-ffnvcodec --enable-cuda-llvm --enable-frei0r --enable-libgme --enable-libkvazaar --enable-libaribcaption --enable-libass --enable-libbluray --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librist --enable-libssh --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --enable-libvpl --enable-openal --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --disable-libdrm --enable-vaapi --enable-libvidstab --enable-vulkan --enable-libshaderc --enable-libplacebo --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --enable-libzvbi --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-libs=-lgomp --extra-ldflags=-pthread --extra-ldexeflags= --cc=x86_64-w64-mingw32-gcc --cxx=x86_64-w64-mingw32-g++ --ar=x86_64-w64-mingw32-gcc-ar --ranlib=x86_64-w64-mingw32-gcc-ranlib --nm=x86_64-w64-mingw32-gcc-nm --extra-version=20240507
  libavutil      59. 17.100 / 59. 17.100
  libavcodec     61.  5.103 / 61.  5.103
  libavformat    61.  3.103 / 61.  3.103
  libavdevice    61.  2.100 / 61.  2.100
  libavfilter    10.  2.101 / 10.  2.101
  libswscale      8.  2.100 /  8.  2.100
  libswresample   5.  2.100 /  5.  2.100
  libpostproc    58.  2.100 / 58.  2.100
Input #0, rawvideo, from 'fd:':
  Duration: N/A, start: 0.000000, bitrate: 2985984 kb/s
  Stream #0:0: Video: rawvideo (BGR[24] / 0x18524742), bgr24, 1920x1080, 2985984 kb/s, 60 tbr, 60 tbn
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo (native) -> vp9 (libvpx-vp9))
[libvpx-vp9 @ 000002972f387100] v1.14.0
Output #0, webm, to 'pipe:':
  Metadata:
    encoder         : Lavf61.3.103
  Stream #0:0: Video: vp9, gbrp(pc, gbr/unknown/unknown, progressive), 1920x1080, q=2-31, 6000 kb/s, 60 fps, 1k tbn
      Metadata:
        encoder         : Lavc61.5.103 libvpx-vp9
      Side data:
        cpb: bitrate max/min/avg: 0/0/0 buffer size: 8000000 vbv_delay: N/A


  


• Python pydub issue : Can't repoen a wav file after it as been reencoded by ffpeg [Silved]

  28 avril 2024, par Trent Tompkins

  Solved by Michael Butscher. Updated code is now in the repo in the fixed branch. Thanks !

  


  I have a python script that reads in all the *.wav files in a directory and saves them in a folder called output after it adjusts their volume.

  


  lower.py :

  


  import os
from pydub import AudioSegment as ass

# get the current working directory
current_working_directory = os.getcwd()
all_files = os.listdir();

 


while len(all_files) > 0:
    file = all_files.pop()
    song = ass.from_wav(file)
    song = song - 16
    song.export('out\\'+file)



  


  https://github.com/tibberous/ChangeWavVolume/tree/fixed

  


  The problem is (and this took me a LONG time to figure out), after the files are output once, if you try to read them again with AudioSegment ::from_wav(file), ffmpeg throws an error saying it can't decode the file. The output wav files play in Windows Media Player, and even have their audio adjusted, but I am guessing there somehow an error either in the file data itself or the file headers.

  


  I put the code on github. Checkout the branch 'fixed'.

  


  Btw, I just installed everything, so I should have the current versions of everything. I am using the Chocolatey package manager for Windows 10. Read README.txt (in progress) to see how I setup my dev environment.

  


  


  


  Python 3.12.2
Chocolatey v2.2.2
C:\Users\moren>C:\ProgramData\chocolatey\bin\ffmpeg
ffmpeg version 7.0-essentials_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers
  built with gcc 13.2.0 (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-bzlib --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-mediafoundation --enable-libass --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc --enable-vaapi --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      59.  8.100 / 59.  8.100
  libavcodec     61.  3.100 / 61.  3.100
  libavformat    61.  1.100 / 61.  1.100
  libavdevice    61.  1.100 / 61.  1.100
  libavfilter    10.  1.100 / 10.  1.100
  libswscale      8.  1.100 /  8.  1.100
  libswresample   5.  1.100 /  5.  1.100
  libpostproc    58.  1.100 / 58.  1.100
Universal media converter

  


  


  



  I opened the wav files the program generated with Media Player, VLC Media Player and Audacity, thinking they might throw an error, but the only thing that can't seem to read the exported wav files is the script that created them !