Container and codec for images

hello guys
my question is
has images container and codec like videos?
can you give m some example of images container and codec?
another question
png, jpeg, gif etc are codec or container?
i have a lot of confusion in my head U_U

Well, if one wants to get highly technical, those Still Images do contain CODEC's, or sorts. Most are compressed formats, and Encoding was required to write them. Then, one does Decode the information via the file's header, but with Stills, it differs from Video (and most Audio), in that the information to Decode is constant, and is not anywhere near as variable, as with Video. For instance, if one does not have the capability to Decode JPEG2000 (usually via a plug-in), they cannot Open one on that system. Same with writing the file - if they do not have the JPEG2000 capability, that option will not be listed. So yes, one could extend the term CODEC to cover the Still Image formats, but that is an uncommon application of the term CODEC. Here, it really gets down to semantics and common usage.
For Audio, which is not muxed, things are still pretty simple. WAV (the format), will most likely have PCM, or LPCM (similar, but with some differences), and the file will be Uncompressed. MP3, will only have the MPEG, with certain, limited parameters. AC3 (a form of MPEG), can have some variations, but the most common is the Dolby Digital MPEG CODEC, and is often referred to as DD AC3. That can be a 2-channel (most often seen as stereo, but not always), or 6-channel (most often seen as 5.1 SS, but not always).
When one muxes the Audio & Video Streams into one "wrapper," or format, things can get a bit more involved, though the Audion Stream is usually much more limited.
Some Video CODEC's can appear in different wrappers, but when the standards are broken, many programs can experience issues, as they are hard-coded to look for a particular set of Video CODEC's, in particular formats. Recently, some camera mfgrs. have decided to wrap the H.264 CODEC into an AVI wrapper. Programs, like Premiere Pro are not used to looking for H.264 in the AVI wrapper. It looks for H.264 in MOV, MTS, MP4, and a few more, wrappers.
Then, one gets to AVCHD, with IS a sub-set of H.264, but all H.264 material is NOT AVCHD. It is particular.
To confuse things, even more, some camera mfgrs. have gone back to an older CODEC, MJPEG (Motion JPEG), but have tweaked that for their specific uses. That means that one might have an MJPEG CODEC installed on the system, but it will not work in their editng program, as camera mfgr. ____ tweaked the CODEC, that they use. In that case, it is best to install the camera mfgr's. specific version of MJPEG.
Keeping 100% current on Video CODEC's is an impossible task, as new ones, or tweaked versions of older ones, are introduced about every six mos, and some of those are NOT placed into the common wrappers. Knowing the general concepts, and a few of the most common Video CODEC's, is as good as it gets.
Hope that helps,
Hunt

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