Python ffmpeg displaying output
I want to run command ffmpeg -i movie.mp4 -vf scale=224:224 movie_224.mp4 to resize video using python language. I have code for it:import subprocess sys_cmd = ["ffmpeg", "-i", "movie.mp4", "-vf",...
View Articlewebm dash encoding... What are the correct ffmpeg parameters?
I'm stumped with encoding videos into a dash compliant format. I'm going from .mp4 to .webmFirstly, I am running OS X and ffmpeg 2.5.4.Here's the encoding commands I am using in my test (I got these...
View ArticleHow can I develop a 264 "codec format worked in VideoView API on android?
I have got a big problem. I have a video "tc10.264" I downloaded from live555.com. I can not play the video that using videoview,exoplayer and vitamio sdk on android. I know that the video is codec.it...
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ffmpeg on android on a video http
I have to create such a file, on android from a video that is on http: So I have the following questions:Is there any way to use ffmpeg on android? How much does it cost me to create this file?...
View ArticleLooping over images in a batch script [on hold]
I'm trying to convert .jpg images in a directory to .yuv images with the ffmpeg command: ffmpeg -i 1.jpg -s 6720x3360 -pix_fmt nv12 1.yuv I'm trying to loop over them using a batch script as...
View ArticleHow to stop ffmpeg from manipulating mp3 metadata?
I'm using ffmpeg to change bitrate of my mp3 files. It works well, but one thing is very frustrating.ffmpeg automatically changes some of metadata fields. Specifically it converts ID3v2.3 to ID3v2.4,...
View ArticleFFMPEG : custom sequence input images
I created a video from a set of images.The command look like:ffmpeg -i bg.jpeg -i img_%d.png -filter_complex overlay=5:H-h-5[b]-shortest testvid.mp4 Problem:The input -i img_%d.png means img_0.png,...
View ArticleHow can I develop a 264 "codec format worked in VideoView API?
I have got a big problem. I have a video "tc10.264" I downloaded from live555.com. I can not play the video that using videoview,exoplayer and vitamio sdk on android. I know that the video is codec.it...
View ArticleFFMPEG Speed drops and warnings
I've been trying to stream from a BlackMagic DeckLink Mini Recorder to 4 different outputs using FFMPEG, but i get a huge delay let say more than 60 seconds of delay, it takes a long time to buffer on...
View ArticleUbuntu FFMPEG dynamic image file name
I currently have a directory full of a variety of mp4 files, and I am currently able to loop through the whole directory and screen caps at every five second interval. Currently, the command names them...
View ArticleRevision 111238: On ajoute des classes BEM aux menus et à leurs entrées pour...
On ajoute des classes BEM aux menus et à leurs entrées pour se simplifier la vie (les anciennes classes sont conservées bien sûr). Ce qui donne le markup suivant : ul.menu-items li.menu-itemsitem...
View ArticleLocalization: Add localized methods for italian culture (it) (#2195)
Localization: Add localized methods for italian culture (it) (#2195)
View Articleffmpeg low fps and high latency
i want to broadcast my webcam using ffmpeg to an rtmp nodejs server. i had a couple of issues: the fps is locked between 8-15 frame/s plus a high latency while playing the stream using ffplay. this is...
View ArticleTailing a logfile and processing each line is missing data when converting a...
I am running a script to tail a log file as per the code snippet below. I am running into a problem where by the line passed into $line is missing a number amount of bytes from the beginning when...
View ArticleEmbed Subtitles in an MP4 Video Using libav or FFmpeg Libraries
Can anyone explain how to - or point me to an example of how to use libav (or the ffmpeg developer libraries - NOT the ffmpeg command line tool) to include a subtitle stream in a video?So far as I can...
View Articlex86/pixelutils: add missing preprocessor wrapper to the AVX2 functions
x86/pixelutils: add missing preprocessor wrapper to the AVX2 functions Should fix compilation with old yasm/nasm Signed-off-by: James Almer [DH] libavutil/x86/pixelutils.asm
View Articlex86/pixelutils: don't use the AVX2 functions on CPUs known to be slow with them
x86/pixelutils: don't use the AVX2 functions on CPUs known to be slow with them Signed-off-by: James Almer [DH] libavutil/x86/pixelutils_init.c
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ffmpeg halt when I turn video into image
My command is: ffmpeg -threads 1 -i http://illegal-video.nos.netease.com/hDHnMXpHywUcs2q7.mp4 -vf fps=1/5.0 C:\Users\Roomy\Desktop\test\image%d.jpgbut I got And ffmpeg is halt when the error occurs.Is...
View Articlelibopenh264: Add support for decoding of b-frames
libopenh264: Add support for decoding of b-frames The current git master version of libopenh264 supports decoding of b-frames. Signed-off-by: Martin Storsjö[DBH] libavcodec/libopenh264dec.c
View Articlehow to resize and convert video to MPEG-4 (mp42 codec) FFmpeg? [duplicate]
This question already has an answer here:Convert MP4 Version - FFmpeg 1 answer I'm using FFmpegAndroid for resizing and converting videos. I'm using following command to resize / convert my...
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