X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=wma.h;h=f0ba7f631703b35878606facde8f2980de621bce;hp=4b3134270cf917b4d395c46ee4beb785402406ba;hb=761d9bd95a6601c0b3be6591a6b6672b755e1fbe;hpb=b6cb7e33fedf463ebb2c5cc0afe2f2a42f694f1e

diff --git a/wma.h b/wma.h
index 4b313427..f0ba7f63 100644
--- a/wma.h
+++ b/wma.h
@@ -1,3 +1,5 @@
+/** \file wma.h The asf_header structure and public wma function declarations. */
+
 /**
  * Information contained in an asf audio file header.
  *
@@ -6,21 +8,26 @@
 struct asf_header_info {
 	/** The size of the audio file header. */
 	int header_len;
+	/** Offset of the audio stream info header. */
 	int audio_stream_info_start;
+	/** Number of channels. */
 	uint8_t channels;
+	/** One of the 5 possible sample rates. */
 	uint16_t sample_rate;
+	/** Size of one data block. */
 	uint16_t block_align;
+	/** Bits per second. */
 	uint32_t bit_rate;
+	/** Further decoding information (ignored). */
 	uint32_t flags1;
+	/** Whether to use exp_vlc, bit reservoir, variable block len. */
 	uint16_t flags2;
 };
 
 /* wma_common.c */
-int wma_log2(unsigned int v);
+__a_const int wma_log2(unsigned int v);
 const char *search_pattern(const char *pattern, int pattern_len,
 		const char *buf, int buf_size);
-int read_asf_header(char *buf, int loaded, struct asf_header_info *ahi);
-#define M_PI           3.14159265358979323846	/* pi */
+int read_asf_header(const char *buf, int loaded, struct asf_header_info *ahi);
+
 #define WMA_FRAME_SKIP 31
-#define DECLARE_ALIGNED(n,t,v)      t v __attribute__ ((aligned (n)))
-#define DECLARE_ALIGNED_16(t, v) DECLARE_ALIGNED(16, t, v)