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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33 views

ffmpeg Convert audio files to mp3 using ffmpeg same quality

How can I convert audio files to mp3 with original file's audio quality? ffmpeg -i audio.ogg -f mp3 newfile.mp3 I want to know is that code converts with same quality?
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1answer
136 views

FFmpeg RMTP streaming and simultaneously saving to file

I am using ffmpeg.exe to transcode a video source, in this example below from a file and want to simultaneously stream rmtp and save to file. I can't figure out what am I doing wrong with the "tee ...
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0answers
165 views

How to install NVIDIA VIDEO CODEC SDK?

I need it for use with FFmpeg to accelerate encoding. I've downloaded nvidia_video_sdk_6.0.1.zip from their website here but there is absolutely no information whatsoever about how to install it on ...
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0answers
24 views

downloaded videos without end point.Can't scroll through

I have a habit of capturing videos from online streaming sites using IDM and problem is they show duration in mediatab but while playing them in different players they don't show total duration and I'...
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1answer
98 views

Concatenate a list of files with different resolutions

I have a list of mp4 files which are of kb's or of at max 4 MB (they were actually gifs but downloaded as mp4).So when I concatenate them using a list of them the video don't work as all of them are ...
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1answer
44 views

Avisynth Audio Balance

I am hoping someone knows of an easy way to adjust the balance of audio channels in Avisynth. I’m trying to combine these two videos into one (yes, I know that some already exist). I threw together ...
0
votes
1answer
187 views

Data Stream encoding not supported yet (FFmpeg)

I have a problem in my project, using FFmpeg. I am trying to use the -map option on the following way. ./ffmpeg -i input.ts -vf "scale=720x480" -map 0:p:59512 -c:v libx264 -preset slow -crf 23 -c:a ...
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0answers
26 views

Can I make FFmpeg precisely constrain the video bitrate?

I would like to make a precisely-constant 2000-kilobit VP9 video file for broadcasting purposes. I know about maxrate and minrate, and I don't mind doing however many passes it takes. Is there a way ...
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0answers
26 views

combine 2 half-height video sources into one combined video using ffmpeg [duplicate]

Using ffmpeg.exe (under Windows) , I want to produce a 1280 by 720 pixel video that combines half-height -cropped versions of two video sources (input streams) that are stacked atop one another. ...
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2answers
49 views

Combine multiple audio files and one picture to produce a video

I've read this thread and this other one. They both explain well how to join a picture with an audio file to make a video (with ffmpeg). However, I'm looking for a ffmpeg command that would merge a ...
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0answers
37 views

FFMPEG the out put file size bigger than input after applying filter

I am trying to draw some text on the video using ffmpeg,and I need the output file with the same quality and file size as the input. By using the below command, ./ffmpeg -i live0.ts -vf drawtext="...
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1answer
86 views

ffmpeg - I want to limit audio levels while using -filter-complex amix

I need to combine two audio files into one. This is easily accomplished with -filter_complex amix=inputs=2. However, though the two audio files are leveled properly, sometimes combining them causes ...
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2answers
193 views

ffmpeg keep connection if network source down

I know this question has been asked infinite times, but it has not been answered with a decent answer infinite times as well. How to make ffmpeg keep working even if source becomes unavailable? VLC ...
0
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1answer
133 views

ffmpeg do stream copy together with draw text

I need to record an RTSP stream, before storing it I need draw some text on the video. And the below command works fine for recording stream only(no text write). openRTSP -D 10 -v -t -c -b 800000 ...
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1answer
186 views

How can I overlay PNGs with transparency over a video? (each PNG should cover one frame)

I have a video (original.mp4), and then I have a series of PNGs with transparency that I want to overlay every frame in the video. The strategy I'm using is: Create a video from the PNGs ffmpeg -...
0
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1answer
74 views

How to add a watermark as a loop using ffmpeg sliding overlay

I'm using ffmpeg overlay to add a watermark (.PNG ) to a video clip. This watermark should slide from top to bottom of the video repeatedly as a loop, through out the length of the video. I could ...
1
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1answer
54 views

Reduce Generated GIF Size Using FFMPEG

I'm developing android application that converts mp4 files into gifs using ffmpeg. Problem is that generated gifs are huge in size. And another problem is that I can't use anything else than ffmpeg(e....
0
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1answer
75 views

Resize in FFmpeg

I have a video which has a resolution of 1920x1080p. I want to re-encode this video (with libx264 for video and aac for audio); Downscale it first to 1280x720p (with the same aspect ratio) while ...
1
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1answer
90 views

FFMPEG - Create a slideshow video from images in a directory, sorted alphabetically

I see this page on how to do this with images numerically. But I have a directory of images that look like this for example: ADAM SANDLER.jpg JOHN DOE.jpg SAM SMITH.jpg I want to create a video ...
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0answers
59 views

How to blend videos using ffmpeg?

I have 2 videos 3 seconds each. This videos are filtered with ffmpeg's zoompan filter. I need to make smooth transition between them with blend. I'v tried ffmpeg -y \ -i 1.mp4 \ -i 2.mp4 \ -...
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0answers
73 views

FFmpeg filter graph (multiple crop)

I have an input video (0) and multiple images (1) (of the same sizes which context is aligned at (0,0) - as FFmpeg does not receive multiple images of different sizes over pipe). I want to overlay (...
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1answer
147 views

FFmpeg video overlay

I am trying to overlay an input video with many images where each image should be shown for a short time. I achieved this using complex filter (the command below). The problem is that I have many, ...
0
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0answers
315 views

Stream video from camera using ffserver on Raspberry Pi?

I'm trying to stream video from the camera module using ffserver. The idea is to let raspivid output h264, and let ffmpeg/ffserver stream it without re-encoding. My server configuration is HTTPPort ...
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0answers
60 views

How to make left-right transition of overlay image using ffmpeg

I have used the below command to make a left to right transition of overlay image: ffmpeg -loop 1 -i download.jpg -filter_complex "[0:v][1:v]overlay=x='if(lte(-w+(t)*100,100),-w+(t)*100,100)':y=0[out]...
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0answers
24 views

FFMPEG: Creating video stream from non-consecutively numbered png sequence

I have used VLC to decompose a video stream into frames, and it decomposed in a way that it leaps 5 frames per save, so the images are ordered like this: scene04436.png scene04441.png scene04446.png ...
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1answer
263 views

ffmpeg video recording freezes after “Invalid data found when processing input”

I am trying to record my old VHS tapes using a USB video capture device and the following command: ffmpeg -f alsa -ac 2 -i default -f v4l2 -standard pal -i /dev/video0 -c:v libx264 -qp 0 -preset fast ...
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0answers
88 views

How to make ken burn effect using ffmpeg

I have used the below command to make a video from multiple images with zooming effect, this command also working fine. But i want to make left-right transition, left-right transition is not working ...
0
votes
1answer
112 views

FFMPEG command to apply echo effects

How to apply echo effect on a video (sound) using ffmpeg. Please advice me ffmpeg command for the same.
1
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1answer
52 views

Data loss due to transcoding video[ffmpeg]

I have a app which takes in user's video and does some processing. the processing pipeline consists of multiple steps. The code which i have written so far assumes h264 codec for input video. But user'...
1
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1answer
79 views

How accurate and reliable is loudness analysis (ebur128) in ffmpeg for PCM?

I need to test a lot of files on possible audio normalization issues, files can be of various containers and audio encoding formats but mostly PCM audio. I tried Rhozet QC solution but found it ...
1
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2answers
72 views

bash process to copy subtitles in their respective mp4 with FFMPEG

I have many video files (mp4), with their respective subtitles (each video and subtitle have the same name). The idea create a bash to copy each subtitle in their video without re encode again. To ...
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0answers
35 views

FFMPEG video cutting

When using fast seeking in FFMPEG (seek before i option) and by specifying the time to retain, is there any way to tell which frame is actually split-frame ? So using this: http://stackoverflow.com/...
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0answers
78 views

ffmpeg pipe images extracted from video

I can use the following command to extract images from a video using ffmpeg, saving them to the filesystem: ... | ffmpeg -i - -f image2 'img-%03d.png' I would like to pipe these images to another ...
0
votes
1answer
104 views

overlaying in ffmpeg failed due to audio codec how to fix it?

I am using ffmpeg to overlaying searies of images on video but on some occasions on some mp4 videos it fails some time it works perfactly my command gives error like Could not write header for output ...
0
votes
1answer
67 views

Batch extracting multiple .aac tracks from an .mp4 using ffmpeg?

How do I create a ffmpeg .bat file that will let me drop in .mp4 file(s) and extract multiple .aac tracks without any converting or transcoding taking place ? I do know that there will always be 3 ....
1
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2answers
86 views

Option http_proxy not found

I'm trying to run this command ffmpeg -http_proxy http://proxyip:1234 -i "https://r9---sn-5uaeznls.googlevideo.com/videoplayback?sparams=clen%2Cdur%2Cgcr%2Cgir%2Chightc%2Cid%2Cip%2Cipbits%2Citag%...
0
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0answers
208 views

compile error ffmpeg: undefined reference to `x264_encoder_open_148`

I have been compile ffmpeg following this. # ./configure --enable-version3 --enable-libopencore-amrnb \ --enable-libopencore-amrwb --enable-libvpx --enable-libfaac \ --enable-libmp3lame --enable-...
0
votes
1answer
40 views

FFMPEG overlay filter partly conversion

I am trying to apply the overlay filter on the video to blend a single image for a few seconds. Since my video duration is about 1 min it seems wasteful when FFMPEG tries to re-encode the whole video ...
0
votes
1answer
40 views

Byte position of frame with closest timestamp with avprobe

With ffprobe I managed to get the byte position of the frame closest to a specified timestamp: the pkt_pos in ffprobe -i audio.mp3 -show_frames -read_intervals 01:30%+#1. Now I am on a Debian system ...
0
votes
1answer
124 views

FFmpeg converting video convert only audio in linux

I'm trying to convert .flv to .mp4 in CentOS. I used ffmpeg -i test.flv test.mp4, which worked well in Windows, but in Linux the result has no video, just audio. I installed ffmpeg 3.0 using yum. ...
0
votes
1answer
40 views

FFmpeg and pressing d during encode, how to continue?

I am encoding a huge video which takes forever. I'm using Windows and a command prompt. And I accidentally pressed d while the window was active. That seems to have triggered some kind of debug mode. ...
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0answers
42 views

ffmpeg: demux a section of a file

I have an interesting challenge that I think can be solved with ffmpeg. I'm being sent the first few hundred kb of a file (mov/prores or h.264), and a 1-2 meg chunk from the same file, closer to its ...
1
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1answer
47 views

ffmpeg command generates never stops

I am overlaying 2 series of images on a video but command never stops execution until I I force stop process my command is as below ffmpeg -y -i vid.mp4 -loop 1 -i img_%d.png -loop 1 -i img1_%d....
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0answers
63 views

How can I pipe multi-streamed http input (i.e., parallel downloads for greater speed) into ffmpeg

I'm trying to pipe multi-stream (really parallel download streams/connections) http video into ffmpeg so I can load data faster than the native http client in ffmpeg. i.e., let's say one connection ...
1
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1answer
42 views

Limiting ffmpeg output

I just started compiling my own ffmpeg. I noticed with the precompiled builds, there is not a lot of output while ffmpeg is running, -nostats option. Is there either a way to compile those types of ...
0
votes
1answer
52 views

FFmpeg - possible to select X frames every N frames?

I am trying to select 10 frames out of every 100 frames of video and write that to a new output. In a 1000 frame video, I want the output to only include frames: 1-10, 100-110, 200-210... etc. Is ...
0
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2answers
37 views

Combine video and audio and make the final duration the same as first input with FFmpeg

I have two files - video.mp4 and audio.mp3, and I want to combine them. The final video must have duration of the video.mp4. I don't know which of these two files is longer so I cannot use the -...
1
vote
1answer
66 views

Merging several videos with audio channel and without audio

I need to merge very different videos into a one output video. Input videos can have different resolutions, framerate, channels and so on. So some videos can be without audio channel and should be ...
0
votes
2answers
87 views

Windows: ffmpeg drawtext with mp3 metadata

Trying to make ffmpeg create image/video with data from mp3/id3 (pref. id3v2) tags, for ex: ffmpeg -f lavfi -i "color=c=white:s=720x480" -i "01 - Steel Guitar Rag.mp3" -shortest -filter_complex "...
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0answers
43 views

How can I convert .mov to h.264 video MPEG-TS container (with DVB subtitles) using ffmpeg

I have to achieve these results: Vídeo ID : 481 (0x1E1) ID in Menu : 1 (0x1) Formato : AVC Format/Info : Advanced Video Codec Format profile : High@L4 Format config, CABAC : Yes Format config, ...