wifi controlled sd card audio player only i2s output

Need complete working prototype No size layer limit for pcb Needs to be completed in 6 months. after pcb layout completed and shared with me , pcb will be manufactured by me and sent it to you for firmware development. MC: STM32F767ZI SRAM Buffer: IS61WV51216BLL-10TLI 3.3v Storage interface: Sdcard slot 4bit SDIO Output interface: independently-clocked I2S audio clocks: NDK NZ2520SDA 49.152Mhz and 45.1584Mhz 3.3V "wurth 693161011911" connector. only i2s output mute output. Support pcm 32bit 768Khz and DSD512 audio files. fatfs(exfat enabled) or ext4 [login to view URL] file system uncompressed WAV, AIFF, DFF(DSD), AIFC-sowt formats, as well as an basic audio playback application, all in a plugin-based architecture for future expansion. Middlewares: decoders (FLAC, ALAC, MP3, AAC, Vobris,) and format containers (MP4, etc,) wifi direct module (act like wifi ap) to view id3 tag and image, list, play, stop or edit(copy, delete) files in sd card over pc or mobile. Not plan to stream and play over wifi only for access edit and play files in sd card. Do not decidec wifi module waiting your proposal. I do not expect professional ui for the desktop and mobile app. Only need commamd sets and basic ui to make demo and test it.