Media tool with support for multiple codecs, filters, and containers. Include your actual command and the complete console output when asking questions involving FFmpeg tools. An easy way to do this is by adding `-report` to your command and pasting the contents of the logfile generated.

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0
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1answer
11 views

Cannot play MPEG-TS from webcam using ExoPlayer on Android or Quicktime on Mac

I'm trying to use FFmpeg to stream my webcam to an Android device based on the HttpLiveStreaming(HLS). In order to play the MPEG-TS on Android, I use ExoPlayer. FFmpeg streaming command: ffmpeg -f ...
0
votes
1answer
15 views

how to user “compressor” with ffmpeg

I want to use the compressor to process the video with the command parameters: Compressor: Threshold = -21dB Noise floor = -35dB Ratio = 9:1 Attack time = 0,20 secs ...
0
votes
1answer
16 views

How do I make a video with a gift image background in FFMPEG?

i try this code but error: ffmpeg -loop 1 -i test.gif -i input.mp4 -filter_complex "overlay=(W-w)/2:(H-h)/2:shortest=1,format=yuv420p" -c:a copy output.mp4 enter image description here My error ...
0
votes
0answers
20 views

How to create a video file from images on hard disk using ffmpeg command line?

In command prompt window i typed in the directory of the images: D:\SavedScreenshots>ffmpeg.exe -r 3 -i Imgp%04d.bmp -s 720x480 test.avi The images file are Bmp type. The first image file name is: ...
-1
votes
0answers
22 views

method ANNOUNCE failed: 405 Method Not Allowed

I am trying to make an RTSP audio streaming and i am considering my computer's microphone as input so i wrote this ffserver : HTTPPort 8090 RTSPPort 7001 MaxBandwidth 10000 CustomLog - <Feed test....
0
votes
0answers
20 views

FFMPEG Overlay of multiple videos

I am trying to overlay multiple videos on a base video, the videos get overlaid but the audio of the primary base video is lost. Also, if I want to add more videos what steps need to be taken? ...
0
votes
0answers
20 views

ffmpeg headers not found while configuring ffmpeg-php

I am configuring ffmpeg-php in a cpanel installed centos 6.8 server. I was able to successfully install all necessary packages that were required to install ffmpeg. Also I had successfully converted ...
1
vote
0answers
16 views

SSA/ASS Subtitles - Use frame number instead of time?

I'm trying to construct subtitle tracks from an array of known text strings. The ASS subtitle format can allow me to burn those strings on screen at known timing intervals. However, I don't want to ...
0
votes
1answer
21 views

FFMPEG: How can I combine multiple video files into one and replace audio with new audio file

I have a question about ffmpeg I have many shot mp4 video file and one mp3 audio (example: 1 hour long ) I want to combine random mp4 video file to one output file (length match mp3 length) and ...
1
vote
2answers
50 views

How to increase video speed and frame rate without duplicating frames

I have a long video with a frame rate of 30 FPS that I want to convert into a 200x time-lapse with a frame rate of 60 FPS. My only problem is that avconv is unnecessarily duplicating every other frame ...
0
votes
2answers
16 views

how to save custom data into header in movie file using ffmpeg?

I was looking for saving custom data into movie file using ffmpeg mainly actual start frame, end frame, and other few information something like key:value pair, so later on I can fetch the details ...
-1
votes
0answers
27 views

How to insert a video intro & outtro with ffmpeg

I have a video long time, i want to insert a video intro & outtro ? how can I do this? ffmpeg -i intro -i mainvideo -i outtro outputvideo
-4
votes
0answers
19 views

ffmpeg Read input at native frame rate skip first 5 sec [migrated]

i want to force ffmpeg to skip first 5 sec then set re flag this main code of ffmpeg related static int get_input_packet(InputFile *f, AVPacket *pkt) { if (f->rate_emu) { ...
0
votes
1answer
22 views

FFMEG won't transcode from 7.1 AAC to 7.1 eAC3

Have been trying to convert my video files from AAC to eAC3. I don't have Adobe Media Encoder, and am trying to do this with FFMPEG. Any help is Note: I have copies of the following software that ...
0
votes
1answer
28 views

Cut Video with FFmpeg

I have a video 20 muminute long time, I want to cut the first 5 minutes and 5 minutes of video finally. I have to use commands like, can help me? I user commant here: ffmpeg -ss [start_seconds] -i [...
0
votes
1answer
12 views

Why does FFMPEG different arguments' placement create different mov clips?

I use ffmpeg to cut the first 4 seconds of a mov 14 seconds video file. This is the command I use (on Ubuntu) to create the new clip: ffmpeg -i H264_test1_Talkinghead_mov_480x360.mov -ss 0 -t 4 -c ...
0
votes
1answer
22 views

Issue using 'force_style' for subtitles in FFMPEG

I've recently run into an issue in using FFMPEG's 'force_style' filter. Adding subtitles by themselves works just fine, but when force_style parameters are included, I get "Option 'force_style' not ...
-1
votes
0answers
14 views

Upgrading and old ffmpeg version to the latest on redhat

Currently I'm on a new project and working with an existing server (redhat) that has already been setup. One of my tasks right now is to upgrade ffmpeg to the latest version. I'm familiar with ...
1
vote
1answer
18 views

How to get width of the video and scale another video to that width using ffmpeg?

I'm using ffmpeg to stack two videos vertically. They might be different size so I need to scale them to same size. I have found following commands. First one works for different sizes (but won't ...
0
votes
0answers
15 views

Converting subtitle from text-based to bitmap-based in FFMPEG

I'm a Linux user with a Playstation 3 by my side, and my favourite function of this big black monolith is the video-playing function. Recently, I've taken to watching all my videos on this thing. But ...
0
votes
1answer
23 views

Increase video *and* audio playback speed without losing quality

I'm speeding up a video by 2x with this command: ffmpeg -i input.mp4 -r 50 -vcodec mpeg4 -filter:v "setpts=0.5*PTS" -filter:a "atempo=2" output.mp4 However, the output quality is very low. I used -...
1
vote
2answers
25 views

How can you test a video with alpha channel before merging it with another video?

I am working on videos with alpha channel to be merged with a background video at a given position (for instance, [100,100]) . You can accomplish this by using: ffmpeg -i BACK -i OVER -...
0
votes
0answers
16 views

ffmpeg piping to aucdtect in a batch file

I am trying to pipe ffmpeg output to auCDtect in a batch file like this: ffmpeg -i %1 -acodec pcm_s16le -f wav - ^| auCDtect.exe -- For some reason aucdtect just freeze at Data analysis: [...
0
votes
0answers
16 views

Video concatenation excruciatingly slow

I tried using OpenShot Video Editor to concatenate a few videos of a vacation I recently went on. However, the process seems to be taking forever; I really do not want to leave the computer on all day....
1
vote
2answers
31 views

Batch extract thumbnails with ffmpeg

I need to batch extract thumbnail pic from hundreds of .mpg files using the following bat code, which works like a charm, but the only drawback is that the output png are with file name like "filename....
0
votes
0answers
43 views

FFmpeg and HLS multiple audio renditions

I'm trying to use FFmpeg to produce an HLS playlist which contains multiple audio renditions, but I cannot get the audio & video tracks to sync together. Here is the scenario: Suppose I have 2 ...
1
vote
1answer
17 views

Adding ffmpeg as environment variable

I've been trying to follow step two of the dependence guide of Microsofts Project Malmo. https://github.com/Microsoft/malmo/blob/master/doc/install_windows.md I need to create the environment ...
0
votes
0answers
25 views

FFmpeg: Unrecognized option preset

I'm using ffmpeg to convert yuv to mp4 losslesly in ubuntu 14.04. My code is (without line splitting): ffmpeg -f rawvideo -vcodec rawvideo -s 560x448 -r 40 -pix_fmt yuv420p -i ...
0
votes
1answer
27 views

ffmpeg Audio Conversion m4a to wav - file size bloat

While converting audio files from *.m4a to *.wav using ffmpeg (and other audio converters - I've tried a few and cannot remember but they were worse) the file size increases by a lot (10x). original ...
0
votes
0answers
8 views

Editing a video

I used OpenShot Video Editor to concatenate a few videos of a vacation I recently went on. However, the first 18 seconds of the video is upside down; the rest of it is fine. Even though I am using ...
0
votes
0answers
27 views

How to watermark all files in folder with ffmpeg? (Windows)

I'm using the following command to resize and watermark videos: ffmpeg -i "input video.mp4" -s 640x480 -vf "movie=watermark.png [watermark]; [in][watermark] overlay=main_w-overlay_w-10:main_h-...
-1
votes
0answers
7 views

Need FFmpeg build configuration

I need ffmpeg build configuration for only images to mp4 conversion no need other conversion methods such as like audio any more need only images to mp4 video. Some one please give that configuration
0
votes
0answers
12 views

Extracting the index of key frames from a video using ffmpeg in windows

can you tell me command for Extracting the index of key frames from a video using ffmpeg in windows. Thank you
1
vote
1answer
22 views

Extracting the index of key frames from a video using ffmpeg

Can you tell me the command for extracting the index of key frames from a video using ffmpeg in Windows. I tried ffprobe -select_streams v -show_frames \ -show_entries frame=pict_type \ -of csv ...
0
votes
1answer
14 views

Add two video to a canvas with ffmpeg

I modified this example code (https://trac.ffmpeg.org/wiki/Create%20a%20mosaic%20out%20of%20several%20input%20videos): ffmpeg -i 1.avi -i 2.avi -i 3.avi -i 4.avi -filter_complex " ...
0
votes
1answer
34 views

Variable framerate with FFmpeg

Let's suppose that I have 5 images with the respective delays between each image: 60ms; 54ms; 70ms; 23ms; 40ms; How can I tell FFmpeg that information?
-1
votes
1answer
35 views

FFMPEG: Overlay two video with audio in single Video

Hey, I am trying this command for merge two audio in single video but it merged only and i need overlay it. Here is my code: String[] complexCommand = {"ffmpeg", "-y", "-i", "/sdcard/videokit/in.mp4",...
0
votes
1answer
20 views

How composite png sequence onto zoompan?

I have the following command that successfully creates a 10 second video from a single image. /usr/bin/ffmpeg -y -loop 1 -framerate 24 -i /var/www/html/data/photos/$image.jpg -vf \"zoompan=z='min(...
0
votes
0answers
21 views

FFmpeg: how to output real frame number instead of sequentially added image numbers

When one is extracting images from a video file, one can change the file names to have an ascending number sequence: ffmpeg -i input.mp4 -vf fps=1/2 img%03d.png Perhaps it would be more useful to ...
1
vote
1answer
26 views

Multiplexing video and audio with FFMPEG from sub-directories using a Windows Batch Script

I'm trying to figure out a batch script (windows based) which will allow me to multiplex some .m2v and .wav files that exist in a load of sub-directories (within one single main directory). They need ...
1
vote
1answer
19 views

shorten video by dropping frames

I am trying to create a sample video that shows every half-second frame using ffmpeg. For example, if a video is 24 fps, I would like to create a video show every 12, 24, 36, 48.. and so on frames ...
0
votes
1answer
44 views

Concatenating videos with ffmpeg produces silent video when the first video has no audio track

I have 3 mp4 files: 1.mp4 - Has video, no audio 2.mp4 - Has video and audio 3.mp4 - Has video and audio I have created a clips file (clips.txt) for concatenation: file '1.mp4' file '2.mp4' file '...
0
votes
1answer
21 views

How do I convert MP4 to OGV while still retaining the same quality using FFMPEG?

I'm not familiar with FFMPEG at all and would like to know how to convert MP4 to OGV format while still keeping the same video and audio quality?
0
votes
0answers
13 views

Access encoded I, P, and B frames separately using ffmpeg

I am working on a video delivery project using ffmpeg. I want to see whether it is possible to separate encoded frames based on their type (I, P, B). For example, if I encode a 5s long .yuv video ...
0
votes
1answer
41 views

DirectShow video capture as MPEG-4, with FFmpeg

When using the FFmpeg dshow module, MJPEG is used as data from the webcam. Input #0, dshow, from 'video=Logitech HD Pro Webcam C920:audio=CABLE Output (VB-Audio Virtual Cable)': Duration: N/A, ...
1
vote
2answers
48 views

How to Split, insert and join video files together ffmpeg

I have a video 20 seconds long (00.20.00). I want split it in 20 parts (part 1, part 2, pat 3,...part 20), then I want to insert between these sections a video effect (part 1, video effect 1, part 2, ...
0
votes
1answer
14 views

ffmpeg error setting profile high

I'm using Zeranoe FFmpeg Build Version: 2a8dadb (2016-07-01) My script : ffmpeg -i c:\AVerRecord170702a.avi -vcodec libx264 -preset veryslow -b:v 6000k -maxrate 6000k -bufsize 145000k -profile:...
1
vote
0answers
18 views

Converting JPG to MP4 green output

I'm trying to convert JPEGs to MP4 using ffmpeg. I've got the process working for PNGs so I know I'm heading down the right track. With when ffmpeg finishes processing a JPEG, the resulting MP4 can ...
0
votes
0answers
16 views

How to create a video with slide transition from images using ffmpeg

Have two or three images, want to create slide left , slide up , slide right and slide down transitions using ffmpeg Fade in and out i found from the link Create video with 5 images with fadeIn/out ...
0
votes
0answers
20 views

How to animate boxblur radius in FFmpeg?

I am running the following FFmpeg command which converts a single image to a 10 second slow-zoom into the center of the photo. As you can see, I currently have the boxblur looking how I would like it,...