zig/mach
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

sysaudio: examples: add support for 8ch output

Browse source 
Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2024-05-26 13:00:29 -07:00
parent aa0ec4ba5e
commit b6a7296251
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/sysaudio/examples/sine.zig
View file

@ -58,12 +58,14 @@ fn writeCallback(_: ?*anyopaque, output: []u8) void {
const frames = output.len / frame_size;
var i: usize = 0;
var src: [16]f32 = undefined;
while (i < output.len) : (i += frame_size) {
const frame_index: f32 = @floatFromInt(i / frame_size);
const sample = @sin((seconds_offset + frame_index * seconds_per_frame) * radians_per_second);
for (0..player.channels().len) |ch| src[ch] = sample;
sysaudio.convertTo(
f32,
&.{ sample, sample },
src[0..player.channels().len],
player.format(),
output[i..][0..frame_size],
);