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Questions tagged [decoder]

A device or a software which purpose is to decode an encoded signal or stream.

A device or a software which purpose is to decode an encoded signal or stream.

538 questions
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How can I embed Ffmpeg extension into Exoplayer under windows?

For some reasons I have to work under windows 10 OS with Android-Studio as IDE. My problem is that, exoplayer uses software and hardware decoders of Android-TV device to decode video streams. Apparently, most of the Android-TV devices have no…
pk_mdi
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C++ Cross Platform MP3 Decoder?

I have searched high and low, and cannot find any decent MP3 decoders =/ I need one that will compile under gcc/linux. The closest thing i could find was libmad, which has no documentation at all, and the only example I could find was the one on…
CuriousGeorge
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ISO 3779 vehicle VIN decoder in PHP?

Does anyone know of a ISO 3779 vehicle VIN decoder library in PHP, or Perl, or Python (or any other language, I can convert code easily) available as open source/freeware? Even just something to decode the WMI portion (first 3 positions) would…
Skye
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Swift: JSONDecoder returning nil from API

currently working through an app that gets and decodes data from OpenWeatherMap API, currently I've got everything working except getting the decoder to return something. Currently, the decoder is returning nil, however, I am getting bytes of data…
syds
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MediaCodec decoder latency for live-streaming

I'm using MediaCodec to decode a H.264 video @ 30FPS that I receive from an RTSP live stream, the decoder runs on an android device. However, I see a latency in the output of the MediaCodec's decoder. It looks like the decoder waits until it…
Tomer Levi
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How to marshal array to binary and unmarshal binary to array in golang?

I want to use gob to encode and decode object, I do it like this: type transProp struct { a []int b []float64 } func (p transProp) MarshalBinary() ([]byte, error) { // A simple encoding: plain text. var b bytes.Buffer …
roger
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Create a binary file extension reader for mobile

It is an ancient binary file extension, actually a video file created by Inter-Tel Web Conference software. It contains a screen recording video and voice audio, and also can capture the keyboard chat log, attendees and the document manager window…
tinyCoder
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JPEG HW Decoder access API

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…
Rodney
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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).
user187418
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ASN1 UTF-8 string Decoding

I am working to make an ASN.1 parser in the C language (using the Ericsson ASN1 specification document). I want to decode the UTF-8 string type but I can't find information about this online, and the document I'm using does not describe UTF-8 string…
user3148326
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How to decode AAC using avcodec_decode_audio4?

I changed in my code avcodec_decode_audio3 to avcodec_decode_audio4 and added the frame handling. But now I cannot decode AAC frames anymore. Why does avcodec_decode_audio4 return -22 (invalid argument)? Following the answer below, does this have…
user2212461
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How to use MediaCodec class to decode H.264 streams

I have been asked to display a video stream (the stream is not from HTTP)in android, the stream is raw H.264 which is Recorded and encoded in a PC ,and I get it through WIFI. When I get the stream, can use the MediaCodec decoder to decode the stream…
ljfxmu
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C++ - Incorrect ASCII value ("ë")

First, I apologize for any english mistakes I'll make, but being 15 and french doesn't help... I'm trying to program a PNG decoder with the help of the file format specification (http://www.libpng.org/pub/png/spec/1.2/PNG-Contents.html) but i came…
user2018626
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How to assign one bit of std_logic_vector to 1 and others to 0

I'm receiving from outside std_logic_vector with binary value, that is represent the bit which should be set to one and others to 0. As I understand it's decoder, but solving this problem with "when" statement will take so much lines of the code,…
Oleksii
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WebRTC video Android and iOS client with H264 decoding capabilities

We are looking for someone who could help us develop a client application for Android and iOS that has the ability to properly decode H264. The application can be developed in any way as long as it can be integrated to our existing Android and iOS…
Nefalas
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