24 avril

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 21:50
  Video concatenation with ffmpeg and Java [closed] - Marco Antonio Manjarrez Fernan Newest 'ffmpeg' Questions - Stack Overflow
  I have this code that automatically makes a couple of videos using ffmpeg. The result is 2 or 3 .mp4 files that consist of an audio and a still image. I want to concatenate these files automatically by using ffmpeg concat demuxer, but when the concatenation finishes the videos do concatenate, but the images are hyperimposed on top of one another. So instead of having 12 seconds of a cat image and 10 seconds of a skyscraper, I get 22 seconds of a cat image, and when I skip forward in the video the image changes to the skyscraper and doesnt change back. Every single tutorial I see has (...)
• 23:01
  Discord bot transmitting audio not working - R5B3NBB Newest 'ffmpeg' Questions - Stack Overflow
  this discord bot is supposed to join the users voice channel and play music, everything works except for it not transmitting audio. from what I can gather the error is happening somewhere between it playing the audio file and it being transmitted. any helps appreciated and I'm sure it's not on the discord bot side since I gave it admin permissions and it still didn't work. should also be mentioned that im not a veteran when it comes to JavaScript so if the error s obvious sorry. const Client, GatewayIntentBits, SlashCommandBuilder, MessageEmbed = (...)
• 20:02
  2 files found with path 'lib/arm64-v8a/libc++_shared.so' from inputs...-react native - CrackerKSR Newest 'ffmpeg' Questions - Stack Overflow
  I am trying to enable package of ffmpeg-kit-react-native in react-native. The sample commands given in the example executes successfully. But I want to use libwebp for converting gif files to webp which is under package named video. As instrcuted . I have to enable the package to use some libraries. 2.2.1 Enabling a Package on Android Edit android/build.gradle file and add the package name in ext.ffmpegKitPackage variable. ext ffmpegKitPackage = "" So I added a line in the node_module/ffmpeg-kit-react-native/android/build.gradle android (...) -- ffmpeg-kit-react-native, example, package, instrcuted
• 17:29
  Try to concatenate videos using FFmpeg Package. My videos concatenate correctly but those that i record from fornt camera rotate 90' in concatenate - Ahmad Akram Newest 'ffmpeg' Questions - Stack Overflow
  Here is my code where I pass a list of image paths that concatenate. I am facing an issue with the front camera video. When concatenated completely some videos rotate 90 degrees. Future mergeVideos(List videoPaths) async VideoHelper.showInSnackBar('Videos merged Start', context); String outputPath = await VideoHelper.generateOutputPath(); FlutterFFmpeg flutterFFmpeg = FlutterFFmpeg(); // Create a text file containing the paths of the videos to concatenate String fileListPath = '$(await (...)
• 15:01
  Why the source order matters on working with multiple media sources in a single AVFormatContext? - Mehmet YILMAZ Newest 'ffmpeg' Questions - Stack Overflow
  avformat_open_input() deletes the AVFormatContext* and returns -6 when the source order changes. I am trying to open multiple media sources dynamically with different(mixed) formats and codecs in a single context (AVFormatContext). My media sources are a BlackMagic DeckLink Duo SDI input as first source and an mp4 file or rtsp stream as second. When I order to open (avformat_open_input()) the source 2 (RTSP or MP4 file) at first and then open the BlackMagic DeckLink Duo, proceed as expected. But when I change the order, and first open the DeckLink and then try to open (...)
• 14:01
  Decode AAC with FFmpeg in RTP packet - Tran Toan Newest 'ffmpeg' Questions - Stack Overflow
  I'm trying to decode AAC in RTP packet with FFmpeg. According to rfc document the RTP payload is audioMuxElement mapped directly. I try remove the RTP header and read the remaining bytes to AVPacket struct, but the avcodec_decode_audio4() returning error -1094995529. Here is the code: #include "stdafx.h" #include "stdio.h" #include "conio.h" extern "C" #ifndef __STDC_CONSTANT_MACROS #define __STDC_CONSTANT_MACROS #endif #include #include // compatibility with newer API #if LIBAVCODEC_VERSION_INT < (...) -- rfc document