Live streaming through video tag
I am currently trying to make a video streaming service without using plugins.My server is using ffmpeg to transmux a rtsp stream to a fragmented mp4 so that the HTML 5 video tag can play it.The ffmpeg...
View Articleavfilter: add comments for duplicate line
avfilter: add comments for duplicate line comment about the looks like a duplicate line. but that is used to reason x is expressed from y Suggested-by: Paul B Mahol Suggested-by: Michael Niedermayer...
View Articleavformat/http: add referer option into http
avformat/http: add referer option into http add Referer message if referer have been set. Signed-off-by: Steven Liu [DH] doc/protocols.texi[DH] libavformat/http.c
View Articleavformat/hls: store referer message in HLS http request
avformat/hls: store referer message in HLS http request Signed-off-by: Steven Liu [DH] libavformat/hls.c
View ArticleDXGI Desktop Duplication: encoding frames to send them over the network
I'm trying to write an app which will capture a video stream of the screen and send it to a remote client. I've found out that the best way to capture a screen on Windows is to use DXGI Desktop...
View ArticlePython opencv unable to create video with H264 codec in Apache
I am creating a .mp4 video file from frames i am able to create video file with "XVID" in both th cases when i am running the code independently and after python program deployed in Apache. fourcc =...
View Articlefinding speed and tone of speech in an audio using python
Given an audio , I want to calculate the pace of the speech. i.e how fast or slow is it.Currently I am doing the following: - convert speech to text and obtaining a transcript (using a free tool). -...
View ArticleUnderstanding avio_alloc_context
How does the avio_alloc_context function work? Should this function be used only once when starting the stream, or in the main loop?When I use it only when I open my file of my class, in my drawing...
View ArticleRestore video from RTSP stream using ffmpeg?
I save video from RTSP stream using commnad :ffmpeg -i [url_RTSP] -vcodec copy -f segment -strftime 1 -reset_timestamps 1 -segment_time 60 -segment_format mp4 %Y%m%d_%H%M%S.mp4If video saved full 60s,...
View ArticleHow to extract motion estimates with ffmpeg's mestimate video filter
I have been trying to use ffmpeg's new video filter mestimate to extract motion vectors as side data on a text file.I passed these commands:ffmpeg -i input.mp4...
View ArticleI had split 420 yuv file to 420_y 420_u 420_v, how to open the three files?
I simplest splite yuv 420 file to three files:y, u, v, by use code:int simplest_yuv420_split(char *url, int w, int h,int num){ FILE *fp=fopen(url,"rb+"); FILE *fp1=fopen("output_420_y.y","wb+"); FILE...
View ArticleFFmpeg error - "at least one output file must be specified" [closed]
ffmpeg -ss 0 -i rawvid.flv -t 33 -vf scale=640x480 -b:21504 test.mpgWhen run, this returns "At least one output file must be specified", what am I missing?PS: FFmpeg works fine, and if I remove all of...
View ArticleFFMPEG segment records a minute worth of data but metadata shows 0.1s length...
I'm recording a stream from a Live555 restream of a rtsp camera. I record in chunks of one minute videos. This is the setup:RTSP Camera -> Live555 Server -> RecorderWithout the Live555 restreamer...
View Articleffmpeg:send rtsp to streaming server error:Display black
I am using FFmpeg to pull video data from a streaming server. The program works fine. But when I play the destination URL, it just displays black. I have tried using VLC and ffplay, but both players...
View Articleadd subtitle to video created from mp3 file and an image using ffmpeg
I have a simple image and an mp3 file all I want to do is to add a lyrics to this mp3 file in a video as an output with fade out style. so i used this command to do so from this this blogffmpeg -loop 1...
View Article/document/video:189755: No such file or directory [duplicate]
This question already has an answer here:Android video file path from media store is coming as null 1 answer I tried ffmpeg for splitting a video. I can't see any files once it's split. Anyone guide me...
View Articleavcodec/exr: Fix memleaks in decode_header()
avcodec/exr: Fix memleaks in decode_header() Fixes: 4793/clusterfuzz-testcase-minimized-5707366629638144 Found-by: continuous fuzzing process...
View Articleavcodec/aacsbr_fixed: Fix overflows in rounding in sbr_hf_assemble()
avcodec/aacsbr_fixed: Fix overflows in rounding in sbr_hf_assemble() Fixes: runtime error: signed integer overflow: 2052929346 + 204817098 cannot be represented in type 'int' Fixes:...
View Articleconfigure: Remove carriage return ('\r') in Windows CC_IDENT
configure: Remove carriage return ('\r') in Windows CC_IDENT Currently the Windows CC_IDENT is ended with '\r\n'. "head -n1" will not remove the '\r' and this is causing building error in Chromium....
View Articlec++ - using FFmpeg encode and UDP with a Webcam
I'm trying to get frames from a Webcam using OpenCV, encode them with FFmpeg and send them using UDP. I did before a similar project that instead of sending the packets with UDP, it saved them in a...
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