From faaf6c2d7c6d4c53956ebd366a6e051ab8556889 Mon Sep 17 00:00:00 2001 From: graham sanderson Date: Thu, 18 Feb 2021 17:52:16 -0600 Subject: [PATCH] add movie link for popcorn --- README.md | 2 +- apps/popcorn/README.md | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+), 1 deletion(-) create mode 100644 apps/popcorn/README.md diff --git a/README.md b/README.md index e4fc8ca..e46e6b0 100644 --- a/README.md +++ b/README.md @@ -14,7 +14,7 @@ you have that much more time to do even more things! Name|Description ---|--- -[popcorn](apps/popcorn)| This is a movie player for 30fps 320x240 movies with 44100 stereo sound, read in a custom format from SD card... it can even play backwards :-) TODO: add a link to big buck bunny in the right format TODO: add converter +[popcorn](apps/popcorn)| This is a movie player for 30fps 320x240 movies with 44100 stereo sound, read in a custom format from SD card... it can even play backwards :-) Sample movie file linked from [here](apps/popcorn/README.md). [usb_sound_card](apps/usb_sound_card)| A no frills but functional USB sound card... hooked up via our old (pre TinyUSB) USB device stack. Keeping it around as it works nicely! ## Audio diff --git a/apps/popcorn/README.md b/apps/popcorn/README.md new file mode 100644 index 0000000..aab7f99 --- /dev/null +++ b/apps/popcorn/README.md @@ -0,0 +1,24 @@ +This is a 320x240x30 movie player that runs at a 48Mhz system clock (it was developed on FPGA which ran at that frequency). + +The compression format is not surprisingly not crazily advanced, so movie files are large! + +### Sample Movie + +Here is "Big Buck Bunny": https://drive.google.com/file/d/1q3szTVccPZ08v_TMDxy9ZgqeOOXXwHCX/view?usp=sharing which is 1.6GB + +### Using a movie + +These are raw disk images without a filesystem. These instructions assume a certain level of knowledge Please feel free to submit PRs +to improve them! + +#### Single Movie + +A single movie can just be burned as the entirety of the SD card (via `dd` on unix). Note this will overwrite everything on the card. + +#### One or More Movies + +You can format the card with a GPT and then image movies onto the partitions (the partitions must obviously be big enough). The partition name from the GPT is used as the title for the movie. + +### Converting + +TODO - will upload a converter and instructions soon. \ No newline at end of file