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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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Why does an Axis P1347 RTSP request return error code 400?

I am using an AXIS P1347 Network Camera trying to stream a mpeg4 image using the RTSP URL rtsp://192.168.1.47/axis-media/media-amp?videocodec=mpeg4 which results in a RTSP/1.0 400 Bad Request error code. Please look at the output of my…
Frank
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Install mpeg4ip using apt on Ubuntu 14.04TLS

I want to install mpeg4ip tool on ubuntu14.04TLS. I have searched and found below answer: sudo apt-get install mpeg4ip-server But it seems doesn't work. Then I found mpeg4ip 1:1.6dfsg-0.2ubuntu8 source package in Ubuntu but I don't know how to use…
user2575413
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Android MediaCodec: ExtractMpegFramesTest.java

I am trying to run ExtractMpegFramesTest.java but getting an error : [OMX.qcom.video.encoder.avc] storeMetaDataInBuffers (output) failed w/ err Frame wait time out Please advice me how to get out of this issue as no much related information…
chandan chaudhary
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H.264 Temporal Reference

Is there a way to imitate the temporal reference for h.264 NAL packets. RFC3984 says: One of the main properties of H.264 is the complete decoupling of the transmission time, the decoding time, and the sampling or presentation time of…
faham
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When can be played broken MPEG-4 file

MPEG-4 file is transmitted via satellite and can be broken. How many errors can contain file and in which places so that I can play it?
likhatskiy
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finding a keyframe in mdat

The quicktime documentation recommends the following approach to finding a keyframe: Finding a Key Frame Finding a key frame for a specified time in a movie is slightly more complicated than finding a sample for a specified time. The media …
davidkomer
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How to stream mpeg-4 stream from AXIS(IP camera) camera instead of mjpeg - Axis Media Control

I would like to stream in mp4 format but the problem is that I cannot set right parameters to make it running. When I want to stream MJPEG I use: AMC.MediaURL = "http://" + camera.IP + ":" + camera.HTTPPort + "/axis-cgi/mjpg/video.cgi";…
user3196085
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DirectShow Mpeg4 filters in a Web Application

I have a web application that needs to look at the duration of previously uploaded mp4 files. Using the DirectShow NET library, the code block executes without error, but it clearly is not actually accessing the file correctly since the duration is…
ItinerantEngineer
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AVAudioRecorder Losing Last Seconds

I'm using AVAudioRecorder to record an audio file of varying length with the following configuration: - (AVAudioRecorder*)recorder { if(!_recorder) { // Set the audio file NSArray *pathComponents = [NSArray…
TimOfTheYear
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Larger image size in outdoor lighting for H.264

I recently did an experiment where I recorded H.264 compressed video on a Samsung Galaxy Nexus running Android 4.1 under different lighting conditions--office lighting, dim lighting, and bright outdoor lighting. For a 4Mbps bitrate encoding, the…
t2k32316
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encoding from rgb24 to mpeg4 and decoding from mpeg4 to rgb24 with libavcodec

Problem: I am receiving rgb24 images from a webcam and am encoding them to mpeg4 using libavcodec. I am not able to decode them back to rgb24. avcodec_decode_video2 returns that it processed all of the input but the third parameter to…
user3017830
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How to create mfra box for ismv file if it is not present?

I am working on Live Smooth Streaming and it creates ismv file. I want to copy this ismv file to other location. But as streaming is in progress so copied file is corrupted. I tested this file using Mp4Explorer and compared with other ismv files. I…
Priyanka_Sipl
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Using mpeg-4 video in commercial ASP.NET project

I create a project in ASP.NET which uses the mpeg-4 video format. It is possible that it will be a commercial project later. This web application will store and play videos in mpeg-4 format in HTML video and Canvas elements. As far as I know, the…
Arszi
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C# mpeg4 modify frames

Target is to add noize to every frame of mpeg4 video. Algo is a simply color modification for every pixel in frame for example. So the question is how to solve it using .net (C#)? The program needed to read frame frame from input file, modify it and…
Alexey Kulikov
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about frame type (I,P,B) in mpeg-4

i am working at frames types information in mpeg-4(mp4v\mp4a),and use c# language, found samples size,number of samples in each chunk , samples description ,and chunk offset. i need access to frames types (I, B, P). Do you have any code of how to…
user2898387
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