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November 16, 2007

A Perl program that sends a voice stream using RTP (Real-time Transport Protocol) is show below. The default codec for input voice is 16-bit linear, but u-Law (G.711) and some other codecs can be used. The port numbers and the IP address of the receiver are specified in this program ($REMOTE_PORT_RTP, $LOCAL_PORT_RTP, $ip, etc.). RTCP (Real-Time Control Protocol) can also be handled, but no specific control is intended. A detailed description will be given in future, but it will be explained when it becomes necessary.

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January 27, 2016

A program that can be used when changing video size by removing part of each frame, which is required for, for example, image recognition. The usage is as follows.

clip(inFile, outFile, options...)

inFile is the input file, andoutFile is the output file. outHeightMin and outHeightMax specifies the vertical range of the output frame. outWidth is the width of the output.

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1013-06-240.jpg

Objects printed by using the new direction-specified design and printing technology are sold in Dasyn Yahoo! Japan shop.

About MultiMedia

This page contains an archive of all entries posted to Small and Large Stones of Programming in the MultiMedia category. They are listed from oldest to newest.

Miscellaneous is the previous category.

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