sdl2::mixer: initial commit

1 files changed, 31 insertions, 0 deletions

diff --git a/sdl2/audio.ha b/sdl2/audio.ha
new file mode 100644
index 0000000..42c4b95
--- /dev/null
+++ b/sdl2/audio.ha
@@ -0,0 +1,31 @@
+// Audio format flags.
+//
+// Current representation (unspecified bits are always zero):
+//
+// 	++-----------------------sample is signed if set
+// 	||
+// 	||       ++-----------sample is bigendian if set
+// 	||       ||
+// 	||       ||          ++---sample is float if set
+// 	||       ||          ||
+// 	||       ||          || +---sample bit size---+
+// 	||       ||          || |                     |
+// 	15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
+export type audio_format = u16;
+
+// Unsigned 8-bit samples
+export def AUDIO_U8: audio_format = 0x0008;
+// Signed 8-bit samples
+export def AUDIO_S8: audio_format = 0x8008;
+// Unsigned 16-bit samples, little-endian
+export def AUDIO_U16LSB: audio_format = 0x0010;
+// Signed 16-bit samples, little-endian
+export def AUDIO_S16LSB: audio_format = 0x8010;
+// Unsigned 16-bit samples, big-endian
+export def AUDIO_U16MSB: audio_format = 0x1010;
+// Signed 16-bit samples, big-endian
+export def AUDIO_S16MSB: audio_format = 0x9010;
+// Unsigned 16-bit samples
+export def AUDIO_U16: audio_format = AUDIO_U16LSB;
+// Signed 16-bit samples
+export def AUDIO_S16: audio_format = AUDIO_S16LSB;