update README and fix memory leaks

1 files changed, 18 insertions, 0 deletions

diff --git a/README.md b/README.md
index 070ddb4..8c61336 100644
--- a/README.md
+++ b/README.md
@@ -142,6 +142,24 @@ Callbacks will not be triggered on their own! You must periodically call
 Check all channels for playback-finished callbacks and run them if necessary.
 
 
+### `struct mossrose_sound_t * load_mp3(const char *filename)` ###
+
+Load an MP3 file.
+
+  * `filename` - the name of the file to load.
+
+Returns a pointer to a `mossrose_sound_t` struct containing the audio data, or NULL on an error. You must free the sound yourself using `mossrose_free_sound`.
+
+
+### `void mossrose_free_sound(struct mossrose_sound_t *sound)` ###
+
+Free a mossrose-allocated sound struct.
+
+  * `sound` - a pointer to a sound struct.
+
+Using this function with user-allocated sounds may or may not work correctly -- be sure you know what you're doing!
+
+
 todo
 ----