Add the remaining of the miniaudio API

2026-08-08 16:48:18 +00:00 · 2021-09-17 14:09:45 +01:00
parent f38b7ebf42
commit 64f5ba6ba1
5 changed files with 385 additions and 7 deletions
@@ -0,0 +1,78 @@
+package miniaudio
+
+import "core:c"
+
+when ODIN_OS == "windows" { foreign import lib "../lib/miniaudio.lib" }
+
+/************************************************************************************************************************************************************
+
+VFS
+===
+
+The VFS object (virtual file system) is what's used to customize file access. This is useful in cases where stdio FILE* based APIs may not be entirely
+appropriate for a given situation.
+
+************************************************************************************************************************************************************/
+vfs :: struct {}
+vfs_file :: distinct handle
+
+OPEN_MODE_READ  :: 0x00000001
+OPEN_MODE_WRITE :: 0x00000002
+
+seek_origin :: enum c.int {
+	start,
+	current,
+	end,  /* Not used by decoders. */
+}
+
+file_info :: struct {
+	sizeInBytes: u64,
+}
+
+vfs_callbacks :: struct {
+	onOpen:  proc "c" (pVFS: ^vfs, pFilePath: cstring,      openMode: u32, pFile: ^vfs_file) -> result,
+	onOpenW: proc "c" (pVFS: ^vfs, pFilePath: [^]c.wchar_t, openMode: u32, pFile: ^vfs_file) -> result,
+	onClose: proc "c" (pVFS: ^vfs, file: vfs_file) -> result,
+	onRead:  proc "c" (pVFS: ^vfs, file: vfs_file, pDst: rawptr, sizeInBytes: c.size_t, pBytesRead: ^c.size_t) -> result,
+	onWrite: proc "c" (pVFS: ^vfs, file: vfs_file, pSrc: rawptr, sizeInBytes: c.size_t, pBytesWritten: ^c.size_t) -> result,
+	onSeek:  proc "c" (pVFS: ^vfs, file: vfs_file, offset: i64, origin: seek_origin) -> result,
+	onTell:  proc "c" (pVFS: ^vfs, file: vfs_file, pCursor: ^i64) -> result,
+	onInfo:  proc "c" (pVFS: ^vfs, file: vfs_file, pInfo: ^file_info) -> result,
+}
+
+default_vfs :: struct {
+	cb: vfs_callbacks,
+	allocationCallbacks: allocation_callbacks, /* Only used for the wchar_t version of open() on non-Windows platforms. */
+}
+
+ma_read_proc :: proc "c" (pUserData: rawptr, pBufferOut: rawptr, bytesToRead: c.size_t, pBytesRead: ^c.size_t) -> result
+ma_seek_proc :: proc "c" (pUserData: rawptr, offset: i64, origin: seek_origin) -> result
+ma_tell_proc :: proc "c" (pUserData: rawptr, pCursor: ^i64) -> result
+
+
+@(default_calling_convention="c", link_prefix="ma_")
+foreign lib {
+	vfs_open               :: proc(pVFS: ^vfs, pFilePath: cstring,      openMode: u32, pFile: ^vfs_file) -> result ---
+	vfs_open_w             :: proc(pVFS: ^vfs, pFilePath: [^]c.wchar_t, openMode: u32, pFile: ^vfs_file) -> result ---
+	vfs_close              :: proc(pVFS: ^vfs, file: vfs_file) -> result ---
+	vfs_read               :: proc(pVFS: ^vfs, file: vfs_file, pDst: rawptr, sizeInBytes: c.size_t, pBytesRead: ^c.size_t) -> result ---
+	vfs_write              :: proc(pVFS: ^vfs, file: vfs_file, pSrc: rawptr, sizeInBytes: c.size_t, pBytesWritten: ^c.size_t) -> result ---
+	vfs_seek               :: proc(pVFS: ^vfs, file: vfs_file, offset: i64, origin: seek_origin) -> result ---
+	vfs_tell               :: proc(pVFS: ^vfs, file: vfs_file, pCursor: ^i64) -> result ---
+	vfs_info               :: proc(pVFS: ^vfs, file: vfs_file, pInfo: ^file_info) -> result ---
+	vfs_open_and_read_file :: proc(pVFS: ^vfs, pFilePath: cstring, ppData: ^rawptr, pSize: ^c.size_t, pAllocationCallbacks: ^allocation_callbacks) -> result ---
+
+	default_vfs_init       :: proc(pVFS: ^default_vfs, pAllocationCallbacks: ^allocation_callbacks) -> result ---
+}
+
+resource_format :: enum c.int {
+	wav,
+}
+
+encoding_format :: enum c.int {
+	unknown = 0,
+	wav,
+	flac,
+	mp3,
+	vorbis,
+}