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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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Mpeg2 PES demultiplexor: how to extract PES packets with H.264 Video Stream?

I detect new PES packet in PES demultiplexor searching packet_start_code_prefix (0x000001). When it occures then I can read PES_packet_length and so I can extract the current PES packet from byte stream. But if it is a H.264 video stream then…
Harry
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silverlight mpeg-4

im currently working on a project, where I need to create a web video player. At the current state, my app plays recordings provided by client as motion JPEG and H264/AVC. The thing is, he also wants MPEG-4 part 2 (Visual), which i call mp4v.…
user1811613
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How do I save a recorded video with a .3gp extension in asterisk?

I am working on Ubuntu. I would like to record on asterisk video files with the extension .3gp inside the voice mail file. How can I do that? Till now the recorded video files have been saved in the voicemail folder under the .h263 format, but I…
user1222905
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Storing video and then playback from specific location

We are working on a project on which we need to store video while user perform different events on machine... we store the time stamp of each event performed by user and then want to playback video for specific events selected by user. Can anyone…
mqpasta
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MPEG4 extract from RTP payload

I'm trying to extract mpeg4 from an rtp payload , format of the rtsp media (video) is MP4V-ES but I'm not able to extract the mp4 from the payload . when I dump the extract into a raw file and use ffmpeg to convert it into .avi or .mpg its not…
darleys
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About MPEG-4 headers

I examined some MPEG-4 video headers and saw some byte arrays like below at the beginning: 00 00 01 B0 01 00 00 01 B5 89 13 I know 00 00 01 parts but what exactly B0 B1 and B5 89 13 parts mean? Actually, if I put this byte array infront of an…
Novalis
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Need help on handling MPEG4V1 data

I'm in situation where I need to get a chunk of MPEG4V1 (Microsoft MPEG-4 VKI Codec V1) data located in the beginning of a packet (that was sent by some DVR unit). Packet structure looks something like this: Compressed MPEG4 data. Long integer -…
Gediminas
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Strange pixelation/vertical lines after MPEG4/H.263 encode

I have been trying to encode video data (H.263 and MPEG4) from a USB camera on an embedded device. The device has a special hardware to do it. But after encoding the raw video from the USB camera (H.263/MPEG4) the video quality becomes bad and…
haydum
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What is a 'VOP' in MPEG-4 (RTP)?

I am reading through the MPEG-4 RTP Packet RFC (http://www.rfc-editor.org/rfc/rfc3016.txt) and finding very often the word VOP I have not found any definition in the net or RFC, does anyone can tell me what this VOP is?
Stefan
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GStreamer: status of Python bindings and encoding video with mixed audio

I am hoping to find a way to write generated video (non-real time) from Python and mix it with external audio file (MP3) simultaneously. What's the current status of GStreamer Python bindings, are they up-to-date? Would it be possible to write…
Mikko Ohtamaa
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Calculating bitrate box bufferSizeDB value for AAC track in MP4 file

I am writing a custom fragmented MPEG-4 sink in media foundation. I have been able to figure out and get info on nearly everything but I am stuck on the bufferSizeDB item for an audio AAC "esds" container. The bitRateBox used in MP4 format includes…
Keith
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RTP/RTSP Live Streaming Display on a web page

What is the best solution to display multiple live streams from a surveillance camera (so low latency is a requirement) in a web application (VideoWall-like)? Personally I'm thinking about two possible solutions, but I can't choose between them: 1)…
Grifo
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Getting PTS from MPEG-4?

I'm trying to get the PTS value from a MPEG-4 video that I'm streaming using RTP without using Transport Stream (TS). I've been able to get this value when muxing the video in TS, but now I want to send the video without using the TS and I wonder…
Javi
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Android: mpeg4/H.264 packetization example

I need to split mpeg4 video stream (actually from android video camera) to send it through RTP. The specification is little large for quick reference. I wonder if there any example/open source code for mpeg4 packetization? Thanks for any help !
Igor Konoplyanko
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MPEG-4/WAV container for quick A/V sync tweaking

Which container formats support an MPEG-4 video with a WAV audio stream? I'm looking for a format which is supported by most players. Is there a such format which would allow to adjust the A/V sync offset very quickly, by modifying a field in the…
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