Hello, AmirNapster! Welcome to our forum
The two main differences between RK26xx and RK27xx CPU-based players:
1) RK27xx supports a lot of video formats natively, while for RK26xx you need to convert a video before playing it on your player.
I am a RK26xx owner and this is not a problem for me.
2) A lot of (but not all) RK26xx players can launch .rkp applications, while most of RK27xx have only one built-in game "Tetris".
There were some attempts to replace this built-in crap with a games/apps Launch Menu (from RK26xx).
If I remember correctly, somebody has implemented the .rkp support to his RK27xx firmware,
but there are a lot of different players and firmwares,
and every player works only with it's firmware and don't work with other.
So, if you want to create the applications for your player, choose RK26xx.
For example, you have found a seller who has a nice player.
How to check if the player is RK26xx-based and can launch applications, before the purchase:
1) It supports RKP games (read the description)
2) It has the Games Menu
3) It has buttons, but hasn't a touchscreen
4) It has a big (at least 2.4 inches) screen
5) It should have a MiniSD or MicroSD slot (because, at the moment, rkp applications can't read files from the flash memory)
It might be hard to check all these things. If you aren't sure,
provide a link to the seller's website, and I will try to help you.
My player (RK26xx):
Soundbreeze Mp-401 - MyMPx
There are a lot of cool applications for RK26xx:
Chess, port of Wolfenstein 3D game
, Timer, SD-Card BMP image opener, FM-Radio, Music-44KHz, Calculator, BigSnake, Xonix, etc.
And all these apps were created by the members of this forum!
Applications, useful files and other SDK-related things:
Rockchip SDK - Working Links
Quote:
Originally Posted by AmirNapster
I want to create an application that shows a JPG picture and start playing a MP3 music on it and when user tapped on right of screen it read next file for example read 1.mp3 then 2.mp3
|
About JPEG decoder:
You can use BMP images, since they are natively supported by SDK!
About file browser:
That is not easy to write from the scratch.
But you can use the sources of SD-Card BMP image opener as a basis!
About MP3 decoder:
Rockchip SDK supports C language (with some strange extensions).
While there are a lot of C/C++ sources of MP3 decoder available (just Google),
you will need to edit them somehow to compile them.