decoder

QR decoder that works on mac?

Anyone know a QR decoder that works on mac or that might be online? I just need to decode one single image. ...

GDI+ 's Amazing decode speed, and terrible draw speed!

Thanks for answers，Actually I am not puzzled about draw 1024*768 pixels is slower than 100* 100 pixels... It is so simple a logic.. Which made me puzzled is that DrawImage's interpolation algorithm may be very slow, while there exists lots of better algorithm, and its decoder seems can decode from a jpg with a certain resolution, it is...

Decoding byte stream

I have a series of messages that are defined by independant structs. These structs share a common header are sent between applications. I am creating a decoder that will take the raw data captures in the messages that were built using these structs and decode/parse them to some plain text. I have over 1000 different messages that need t...

H264 decoder source code.

I am looking for h264 decoder C/C++ source code with RTP packetization support. My embedded device is sending 640x480 encoded h264 RTP packet. I would like to make a Windows XP/Vista based video streaming display. Where can I find the source code to this? ...

Anyone has a working viterbi decoder source code with descriptions?

Hi, I am having trouble trying to understand some viterbi decoder source codes. I understand the concept and everything but I just don't get some of the calculations that appears in viterbi decoding as well as how convolution code works in the source code. Many thanks for any answers. ...

Is there any free or commercal jpeg decode which is really fast.

I am using c++, libjpeg for decoding jpeg file. I find it is not fast enough, is there any method to make it faster by setting some compile parameter? or are there any other lib can open jpeg files more faster? now it takes about 750ms to open a 4368 * 2912 4m jpeg image. I wish this can be reduced to 150ms. Many thanks! Added: IJL see...

Any open source, fast H263 decoder library for ARM9 than ffmpeg?

Is there Any open source, fast H263 decoder library for ARM9 than ffmpeg? ...

How much MCPS a Video Decoder on target can consume if the clock speed at which the target runs is know?

Hi, Assume there is a hardware board having RISC CPU(e.g. ARM Cortex processor), and associated peripherals, Data cache/Instruction cache, DRAM, and some OS running on it (Say embedded linux) roughly what percentage portion of the CPU clocks(MHz) (max limit) can be alloted to a Video decoder? Asked differently, if a Cortex-A8 processo...

How do I decode a DER encoded string in Java?

Hello, I'm trying to read a custom extension from a digital certificate. I know the value is a GeneralString encoded in DER. Is there an easy way to correctly decode it and get a Java String? I tried the following, but 's' includes some of the encoding metadata as junk characters at the start of the string. byte[] ext = cert.getExtensi...

Can I do this?? Trying to load an object from within itself.

Hi all! I have an object which conforms to the NSCoding protocol. The object contains a method to save itself to memory, like so: - (void)saveToFile { NSMutableData *data = [[NSMutableData alloc] init]; NSKeyedArchiver *archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:data]; [archiver encodeObject:self forKey:kData...

Invalid ADTS sampling_frequency_index and channel_configuration why?

Hello all, I hope someone can direct me on the right path before I put a lot of time and effort on this. I'm currently trying to parse an AAC+ frame to get information such as number of channels and sample frequency. So it seems that we can simply get this information from the ADTS header but most of the time this information is inaccur...

Which is the fastest decoder for jpeg full-scale decoding?

Which is the fastest decoder for jpeg full-scale decoding ? I want to accelerate my apps' jpeg decoding speed, how can I do this? I am using libjpeg now, it is a bit slow, is there any one faster than libjpeg? I do not need partical decoding. Many thanks! ...

PNG encoder/decoder for PHP

Is there any implementation of a PNG encoder/decoder written in PHP? Something similar to this one: http://packages.python.org/pypng/png.html I know there is GD and other ones, but as far as I know, you cannot have greater control over png chunks since they are png specific. Thanks, Nano. ...

I need two functions which encrypts some data in php and decrypts it in java "correctly"

I need to get two functions. I want to transfer data from my website to my server in xml format. Now on my server, I want to make a function that encrypts the data and place it in an xml, and another function in java to decrypt it. Please tell me if there is any predefined function or can you just spare 5 minutes? ...

PHP decode starting with $OOO000000=urldecode('%66%67%36%73%62%65%68%70%72%61%34%63

I bought a software from classifiedscript.org, unfortunately, there is an encoded php file which I suspect contains some dodgey functions. Just to clarify - they were suppose to provide full source code which I can edit and I did try emailing their '24/7 email support'... but all empty promises and not a single reply from them. Hope so...

Decode video raw data on Android

Hi, I would like to build a live streaming and viewer. The streaming is H264/MEPG4 raw data. How to decode these raw data on Android? I can not find usable API in Android SDK to do it. And suggestion is welcome. Thanks in advance. Caxton ...

Good MP3 or OGG Decoder written in C

Hey, I was looking for a good MP3 or OGG decoder that use the BSD license or public domain and that is also light-weight (something that comes with sources without the need of platform specific configuration). ...

JPEG HW Decoder access API

Hello List, Is there any procedure/API provided in Android SDK/NDK to check if "JPEG HW Decoder" exists in the underlying android phone handset? If yes, then Is there any procedure/API provided in Android SDK/NDK to access "JPEG HW Decoder" for decompressing JPEG image? ( I guess PV Media framework provides access for the same, but ...