audio: add InStream and more functiosn coverage to soundio binding

audio/soundio/Device.zig

@@ -1,6 +1,8 @@
 const std = @import("std");
 const c = @import("c.zig");
+const InStream = @import("InStream.zig");
 const OutStream = @import("OutStream.zig");
+const Format = @import("enums.zig").Format;
 
 const Device = @This();
 
@@ -10,10 +12,22 @@ pub fn unref(self: Device) void {
     c.soundio_device_unref(self.handle);
 }
 
+pub fn id(self: Device) [:0]const u8 {
+    return std.mem.span(self.handle.*.id);
+}
+
 pub fn name(self: Device) [:0]const u8 {
     return std.mem.span(self.handle.*.name);
 }
 
+pub fn createInStream(self: Device) error{OutOfMemory}!InStream {
+    return InStream{ .handle = c.soundio_instream_create(self.handle) orelse return error.OutOfMemory };
+}
+
 pub fn createOutStream(self: Device) error{OutOfMemory}!OutStream {
     return OutStream{ .handle = c.soundio_outstream_create(self.handle) orelse return error.OutOfMemory };
 }
+
+pub fn supportsFormat(self: Device, format: Format) bool {
+    return c.soundio_device_supports_format(self.handle, @enumToInt(format));
+}

audio/soundio/InStream.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 InStream = @This();
+
+pub const WriteCallback = fn (stream: ?[*]c.SoundIoInStream, frame_count_min: c_int, frame_count_max: c_int) callconv(.C) void;
+
+handle: *c.SoundIoInStream,
+
+pub fn deinit(self: InStream) void {
+    c.soundio_instream_destroy(self.handle);
+}
+
+pub fn open(self: InStream) Error!void {
+    try intToError(c.soundio_instream_open(self.handle));
+}
+
+pub fn start(self: InStream) Error!void {
+    try intToError(c.soundio_instream_start(self.handle));
+}
+
+pub fn beginWrite(self: InStream, areas: [*]?[*]c.SoundIoChannelArea, frame_count: *i32) Error!void {
+    try intToError(c.soundio_instream_begin_write(
+        self.handle,
+        areas,
+        frame_count,
+    ));
+}
+
+pub fn endWrite(self: InStream) Error!void {
+    try intToError(c.soundio_instream_end_write(self.handle));
+}
+
+pub fn setFormat(self: InStream, format: Format) void {
+    self.handle.*.format = @enumToInt(format);
+}
+
+pub fn setWriteCallback(self: InStream, callback: WriteCallback) void {
+    self.handle.*.write_callback = callback;
+}
+
+pub fn layout(self: InStream) ChannelLayout {
+    return ChannelLayout{ .handle = self.handle.*.layout };
+}
+
+pub fn sampleRate(self: InStream) i32 {
+    return self.handle.*.sample_rate;
+}
+
+pub fn layoutError(self: InStream) Error!void {
+    try intToError(self.handle.*.layout_error);
+}

audio/soundio/SoundIo.zig

@@ -1,6 +1,7 @@
 const c = @import("c.zig");
 const intToError = @import("error.zig").intToError;
 const Error = @import("error.zig").Error;
+const Aim = @import("enums.zig").Aim;
 const Backend = @import("enums.zig").Backend;
 const Device = @import("Device.zig");
 
@@ -36,6 +37,10 @@ pub fn waitEvents(self: SoundIo) void {
     c.soundio_wait_events(self.handle);
 }
 
+pub fn wakeup(self: SoundIo) void {
+    c.soundio_wakeup(self.handle);
+}
+
 pub fn defaultInputDeviceIndex(self: SoundIo) ?u16 {
     const index = c.soundio_default_input_device_index(self.handle);
     return if (index < 0) null else @intCast(u16, index);
@@ -46,6 +51,16 @@ pub fn defaultOutputDeviceIndex(self: SoundIo) ?u16 {
     return if (index < 0) null else @intCast(u16, index);
 }
 
+pub fn inputDeviceCount(self: SoundIo) ?u16 {
+    const count = c.soundio_input_device_count(self.handle);
+    return if (count < 0) null else @intCast(u16, count);
+}
+
+pub fn outputDeviceCount(self: SoundIo) ?u16 {
+    const count = c.soundio_output_device_count(self.handle);
+    return if (count < 0) null else @intCast(u16, count);
+}
+
 pub fn getInputDevice(self: SoundIo, index: u16) ?Device {
     return Device{
         .handle = c.soundio_get_input_device(self.handle, index) orelse return null,
@@ -57,3 +72,15 @@ pub fn getOutputDevice(self: SoundIo, index: u16) ?Device {
         .handle = c.soundio_get_output_device(self.handle, index) orelse return null,
     };
 }
+
+pub fn getInputDeviceFromID(self: SoundIo, id: [:0]const u8, is_raw: bool) ?Device {
+    return Device{
+        .handle = c.soundio_get_input_device_from_id(self.handle, id.ptr, is_raw) orelse return null,
+    };
+}
+
+pub fn getOutputDeviceFromID(self: SoundIo, id: [:0]const u8, is_raw: bool) ?Device {
+    return Device{
+        .handle = c.soundio_get_output_device_from_id(self.handle, id.ptr, is_raw) orelse return null,
+    };
+}

audio/soundio/main.zig

@@ -2,6 +2,7 @@ pub usingnamespace @import("enums.zig");
 pub const c = @import("c.zig");
 pub const SoundIo = @import("SoundIo.zig");
 pub const Device = @import("Device.zig");
+pub const InStream = @import("InStream.zig");
 pub const OutStream = @import("OutStream.zig");
 pub const Error = @import("error.zig").Error;