ADD an OSD in a dvd Firmware

I have a dvd player that has a USB port and which runs on Sunplus 8202R chipset with en25T80 micro-controller. I ONLY use the dvd player to play my videos via the usb. My videos are in one folder (named AWESOME) and are numbered in a 5 digit code. That is, [login to view URL], [login to view URL], [login to view URL], [login to view URL], ..... till [login to view URL] . When I want to play song number 120, I enter 120 on the remote, and the video automatically starts playing. ([login to view URL]) I would like to Add an OSD interface that I will be using to select the videos. The OSD interface will be a semi-transparent window over the DVD logo. It will contain: 1. Title: MY AWESOME COLLECTION 2. Total Songs: The total number of Video files in the folder 3. Song Number: A digit input area to input the song number 4. Song Name: The song name of the song number (Auto-generated) I have a txt file that has the Song numbers and the corresponding song names. You can use a similar file which we shall put into the folder, AWESOME. So that when the player, reads that file in the folder, AWESOME, it automatically brings the new Song Selection Interface. -When you input a song number, automatically the song name should be displayed. -When you press play, the Song Number starts to play. -When a video ends, it goes back to the Song Selection Interface. -When you Press STOP while a video is playing, it goes back to the Song Selection Interface. This is how I would like the dvd to function: 1. DVD is powered ON. 2. It searches the USB for the Folder AWESOME 3. DVD finds the folder and looks inside for the special txt file. 4. DVD finds the the special txt file and it automatically brings up the Video Selection Interface. This means that if I have, a usb flash drive attached to the DVD, with the folder AWESOME, and inside the videos and the special txt file. When I turn ON the DVD, it will automatically bring up the Video Selection Interface, after initializing. I have attached the firmware for the DVD and an image of the DVD logo plus another image of the DVD logo with the Proposed Song selection OSD. I don't have the source code. However I will avail the general source code used in Sunplus 8202R models.