diff options
Diffstat (limited to 'src/brr.zig')
-rw-r--r-- | src/brr.zig | 50 |
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(¶ms); + 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); + } +} |