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Questions tagged [mp4]

MP4 is a multimedia container format standard with the file extension .mp4. It can be used to store digital audio/video streams, in addition to other multimedia.

MPEG-4 Part 14 or MP4 (formally ISO/IEC 14496-14:2003) is a multimedia container format standard specified as a part of MPEG-4. It is most commonly used to store digital video and digital audio streams, especially those defined by MPEG, but can also be used to store other data such as subtitles and still images.

More details at MP4 in WikiPedia

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How do I use GStreamer gst-launch to re-mux an interlaced h264 stream from an RTSP source?

Is there any way to take an interlaced h264 stream and re-mux it into Matroska or QT container form in a way that players will correctly identify it as interlaced? My basic pipeline is: gst-launch-1.0 -e souphttpsrc…
mpr
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Swift 2 - fileURLWithPath returns NIL

I am trying to load a video using MPMoviePlayerController. I have added the file in my project and also added to the Build Phase "Copy Bundle Resource". When I call the function to open the video I can see that the path its printed out however, the…
SNos
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JW Player - loop MP4 standby video when other media (RTMP) is disconnected

I have JW Player embedded on our website. The plan is to stream video only at certain times of day, with a standby video used when the stream is not connected. At present the below code works very well if the RTMP is connected, however it stalls o…
AlexHighHigh
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WMPlayer embed not playing video

In my company we link our site to videos provided by a partner company. They changed their video encoding from .FLV to .MP4 videos and the current video player on our site doesn't playe them. We changed it to Windows Media Player given that most of…
Felix Martinez
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How to extract 24 different frames per second from video?

I want to create a GIF from mp4 video. So I need to extract the frames from video first. Here is the code I use to extract frames: MediaMetadataRetriever retriever = new MediaMetadataRetriever(); retriever.setDataSource(mFilePath); Bitmap bitmap =…
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Use FFMPEG to stream MP4 from AviSynth via PHP

Taking my first steps in live video streaming, I'm trying to conjure an MP4 live stream out of a .avs script that is parameterized via a wrapping PHP script. I'd like to consume a video stream from PHP like this: consume_video.html …
AVIDeveloper
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FFmpeg Concat artefact between bribes

I use FFmpeg to concat 3 mp4 video bribes. FFbrope show all bribes start with a keyframes and play very well in VLC. When playing the final video file some artefact appears when a bribe start : ffmpeg.exe -f concat -i video_bribes.list -codec:v copy…
Maypeur
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Chrome play mp4 in external program

I have some mp4 files which are served in a web app with the parameter to open them instead of downloading them : "Content-Disposition inline Here is my question : Can I open my link/mp4 inside an external app such as VLC instead of chrome (for…
farfeduc
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Packaging AV streams from youtube into mpeg2 ts container?

I am trying to pull video streams from Youtube and repackage it into MPEG2 TS container.Youtube streams audio(.m4a) and video(.mp4) as separate streams and packages into mp4 container format at the client end.Are there any ffmpeg libraries or any…
user3309374
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Wowza VOD App with JW Player and SMIL file - not working on mobile

I posted this in the wowza forums but have gotten a total of 0 responses, so I wanted to post here as well. I haven't done a lot of media streaming work and I'm trying to close out some details of a VOD project that basically streams video to a…
hcexile
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ffmpeg -is it possible to increase a clip duration?

I currently have a jpeg file which I converted to an flv using the following command: ffmpeg -r 10 -b 180000 -i test.jpg test.mp4 Now, I want to increase the duration of this .mp4 clip, so the picture stays on the screen for more than a split…
dpigera
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Dividing, processing and merging files with ffmpeg

I am trying to build an application that will divide an input video file (usually mp4) into chunks so that I can apply some processing to them concurrently and then merge them back into a single file. To do this, I have outlined 4 steps: Forcing…
João Carlos Santos
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Cannot upload a MP4 file to Plone 3.1.1

I have an MP4 file that I have been trying to upload for four days. It is a 48 minute long video of a webinar training conducted, so I need to put it on Plone so that it can be accessed by staff. When I try to upload it, a small box in the lower…
Jessica
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Javascript get video width/height before upload

I'm looking for solution where I can prevent upload of some sort of videos, for that I need a way to grab video width/height via JS before file is being uploaded at all. Do we have such a mechanism or server side is the only way to go?
vaske
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merge png with mp4 ffmpeg missing audio

I use ffmpeg to merge mp4 and png, I use two way: use command String cmd = "-y -i " + in.mp4 + " -i " + in.png + " -filter_complex [0:v][1:v]overlay=0:0[out] -preset veryfast -map [out] -map 1:0 -map 0:0 -codec:a copy " + out.mp4; output file…
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