X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=para.h;h=287e3c7a905bddd73b0cfda92e2653292ff93ab8;hp=ae3b5b2b2b2a1faf3473c66ec7fd5c25a3193de4;hb=9005b5a064873fc1ec2af9fb76c61aa7cd60db9b;hpb=e90440367f744a7723b201a95888e66f070ffa92

diff --git a/para.h b/para.h
index ae3b5b2b..287e3c7a 100644
--- a/para.h
+++ b/para.h
@@ -259,3 +259,27 @@ _static_inline_ long int para_random(unsigned max)
 /** Used to avoid a shortcoming in vim's syntax highlighting. */
 #define EMBRACE(...) { __VA_ARGS__}
 
+/**
+ * The sample formats supported by paraslash.
+ *
+ * It may be determined by one of the following sources:
+ *
+ *	1. The decoding filter (para_audiod only). In this case, it is always
+ *	\t SF_S16_LE which is the canonical format used within decoders.
+ *
+ *	2. The wav header (para_write only).
+ *
+ *	3. The --format option of para_write.
+ */
+#define SAMPLE_FORMATS \
+	SAMPLE_FORMAT(SF_S8, "8 bit signed"), \
+	SAMPLE_FORMAT(SF_U8, "8 bit unsigned"), \
+	SAMPLE_FORMAT(SF_S16_LE, "16 bit signed, little endian"), \
+	SAMPLE_FORMAT(SF_S16_BE, "16 bit signed, big endian"), \
+	SAMPLE_FORMAT(SF_U16_LE, "16 bit unsigned, little endian"), \
+	SAMPLE_FORMAT(SF_U16_BE, "16 bit unsigned, big endian"), \
+
+#define SAMPLE_FORMAT(a, b) a
+enum sample_format {SAMPLE_FORMATS};
+#undef SAMPLE_FORMAT
+#define SAMPLE_FORMAT(a, b) b