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Questions tagged [mpeg-4]

MPEG-4 is an ISO/IEC standard for video and audio compression as a successor of MPEG-2. It has much more complex capabilities including arbitrary shaped videos and new ways of synthesis.

MPEG-4 is an ISO/IEC standard for video and audio compression as a successor of MPEG-2. It has much more complex capabilities including arbitrary shaped videos and new ways of synthesis.

More information about MPEG4 is at http://en.wikipedia.org/wiki/MPEG-4

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Convert MPEG4 to MPEGTS on Android with FFmpeg

Ok, so obviously I know very little to none about ffmpeg API when I made the original post... it is quite overwhelming when one starts learning about digital media and conversion details. After reading quite a bit more and going through ffmpeg…
Vadym
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Capture video stream with FFmpeg

I wrote an android app that sends a live video stream from the camera over a socket to my computer. Is it possible to use FFmpeg to decode the MPEG4 video stream and some how display what the camera is seeing in real time? I'm guessing I would have…
Ricky Casavecchia
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MPMoviePlayerController H.264 and Multiple Audio Streams

I am trying to find some information on how to support multiple audio streams from a single H.264/MPEG4 video file. So far I have found very little information when googling, I was wondering if anybody has any information that may shed some light. I…
Asheh
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Create MDAT from I-frame/P-frame fragments

I am creating an MPEG-4 file from H.264 stream. H.264 stream comes in NAL format (EG: 0,0,0,1,67,...,0,0,1,68,...). Each video frame is transmitted as multiple I-frame/P-frame fragments. For eg: Frame 1 contains approximately 80 I-frame fragments…
user1954429
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iOS direct sound recording to .m4a file (audio/mpeg-4) using TPAACAudioConverter

I work on iOS app with recording feature. I have big problem with straight AAC mpeg4-audio recording in .m4a file. My working solution is recording in .caf and then converting this file in required .m4a format, but is it slow and not acceptable. I…
Ondřej Psylector Štěpán
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convert avi to 3gp using ffmpeg

I want to convert an avi file to 3gp with codec as mpeg4 simple profile level 0.But i am not able to do it with ffmpeg,it gives this error-Requested output format ‘-vcodec’ is not a suitable output format.how to fix this help!thanks in advance note…
androidnewbie
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GStreamer webcam mpeg4 live streaming via http

i was wondering how to encode video stream coming from a webcam in mpeg-4 containing H.264/AVC video, then stream it via http, using gstreamer ? The webcam is just a simple usb 2.0 webcam. The only example I've found is streaming mpeg-4 via rtsp,…
jerome
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Replacing I-frame in MP4 video

I'd like to replace I-frame with another picture in order to achieve ghost-effect. (So P- and B-frames remain the same) How can I do this via ffmpeg (or any other soft)?
ryfeus
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HTML5 video in Internet Explorer

I have 3 copies of a video: Raw AVI Encoded .mp4 (h.264 video and mp3 audio) Encoded .ogv, encoded with oggtheora My HTML 5 player runs in Firefox 14, Chrome 19 and Opera 12, it fails however in, you guessed it.. Internet Explorer 9. As far as I…
Jamie Taylor
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H.264 ( over RTP ) - Videoframes / Reference Frames?

I have a little understanding problem with the terminology at H.264. When I receive a Stream over RTP I usually get some split up packages which I need to reassemble. It would be something like this: [RTP Frame 0 / has Start Bit] [RTP Frame 1] [RTP…
Toby
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H264 stream incorrect height [8 pixels taller]

I get h264 stream from an ip camera using RTSP protocol. I parse h264 seq_parameter_data based on the answer [http://stackoverflow.com/questions/6394874/fetching-the-dimensions-of-a-h264video-stream], and for some ip cameras, the height value is…
Novalis
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H264 encoder settings

I'm using xuggler to encode a series of images to an MP4 file. I use the following code to setup the IStreamCoder and specify the H264 codec: // only set if codec is…
Sonoman
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Python module that would create mp42 encoded ASF file

I'm trying to capture a video using a webcam then encoding it as an mp42 asf file on a windows machine. I managed to encode an mpeg2 file using pymedia but pymedia doesn't seem to support mp42. I installed opencv and tried to use the python wrapper…
Ray Sweha
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Transcoding custom file type to mpeg-4

I have a custom video file which consists of a custom header followed by UYVY type YUV format. The header tags contain special information regarding the location of the picture, so I need to preserve them. I am currently converting the UYVY to YUY2…
Ben
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stream live video from IP Cams in iPhone SDK?

I have to develop plug-in module which will allow us to stream live video from IP Cams if the IP of the cameras are available. The format and encoding for the same is: MPEG4 RTSP/RTP but I dont know from where to start. I have search in many site,…
Lion
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