audio: rename to 'sysaudio'

sysaudio/soundio/OutStream.zig

@@ -0,0 +1,55 @@
+const c = @import("c.zig");
+const intToError = @import("error.zig").intToError;
+const Error = @import("error.zig").Error;
+const Format = @import("enums.zig").Format;
+const ChannelLayout = @import("ChannelLayout.zig");
+
+const OutStream = @This();
+
+pub const WriteCallback = fn (stream: ?[*]c.SoundIoOutStream, frame_count_min: c_int, frame_count_max: c_int) callconv(.C) void;
+
+handle: *c.SoundIoOutStream,
+
+pub fn deinit(self: OutStream) void {
+    c.soundio_outstream_destroy(self.handle);
+}
+
+pub fn open(self: OutStream) Error!void {
+    try intToError(c.soundio_outstream_open(self.handle));
+}
+
+pub fn start(self: OutStream) Error!void {
+    try intToError(c.soundio_outstream_start(self.handle));
+}
+
+pub fn beginWrite(self: OutStream, areas: [*]?[*]c.SoundIoChannelArea, frame_count: *i32) Error!void {
+    try intToError(c.soundio_outstream_begin_write(
+        self.handle,
+        areas,
+        frame_count,
+    ));
+}
+
+pub fn endWrite(self: OutStream) Error!void {
+    try intToError(c.soundio_outstream_end_write(self.handle));
+}
+
+pub fn setFormat(self: OutStream, format: Format) void {
+    self.handle.*.format = @enumToInt(format);
+}
+
+pub fn setWriteCallback(self: OutStream, callback: WriteCallback) void {
+    self.handle.*.write_callback = callback;
+}
+
+pub fn layout(self: OutStream) ChannelLayout {
+    return ChannelLayout{ .handle = self.handle.*.layout };
+}
+
+pub fn sampleRate(self: OutStream) i32 {
+    return self.handle.*.sample_rate;
+}
+
+pub fn layoutError(self: OutStream) Error!void {
+    try intToError(self.handle.*.layout_error);
+}