listening some muzak

1 files changed, 50 insertions, 0 deletions

diff --git a/src/brr.zig b/src/brr.zig
index e69de29..aad554d 100644
--- a/src/brr.zig
+++ b/src/brr.zig
@@ -0,0 +1,50 @@
+const std = @import("std");
+const c = @cImport({
+    @cInclude("mpg123.h");
+    @cInclude("alsa/asoundlib.h");
+});
+
+pub fn brr(file: []const u8) void {
+    _ = c.mpg123_init();
+
+    const handle = c.mpg123_new(null, null) orelse {
+        std.log.warn("Failed to create mpg123 handle\n", .{});
+        return;
+    };
+    defer c.mpg123_delete(handle);
+
+    const file_path = file.ptr;
+    if (c.mpg123_open(handle, file_path) != 0) {
+        std.log.warn("Filed to open the file: {}\n", .{file_path});
+        return;
+    }
+
+    var pcm: c.snd_pcm_t = undefined;
+    if (c.snd_pcm_open(&pcm, "default", c.SND_PCM_STREAM_PLAYBACK, 0) < 0) {
+        std.log.warn("Failed to open ALSA device\n", .{});
+        return;
+    }
+    defer c.snd_pcm_close(pcm);
+
+    var params: *c.snd_pcm_hw_params_t = undefined;
+    c.snd_pcm_hw_params_malloc(&params);
+    defer c.snd_pcm_hw_params_free(params);
+
+    c.snd_pcm_hw_params(pcm, params);
+    c.snd_pcm_hw_params_set_access(pcm, params, c.SND_PCM_FORMAT_S16_LE);
+    c.snd_pcm_hw_params_set_channels(pcm, params, 2);
+    c.snd_pcm_hw_params_set_rate(pcm, params, 44100, 0);
+
+    c.snd_pcm_hw_params(pcm, params);
+
+    var buffer: [4096]u8 = undefined;
+
+    while (true) {
+        var done: c.size_t = 0;
+        c.mpg123_read(handle, &buffer[0], buffer.len, &done);
+
+        if (done == 0) break;
+
+        c.snd_pcm_writei(pcm, &buffer[0], done / 4);
+    }
+}