Changeset 2270 for pjproject/trunk/pjmedia/include/pjmedia/wave.h

Timestamp:

Sep 10, 2008 7:48:45 PM (16 years ago)

Author:

nanang

Message:

Ticket #614: Added support for writing and reading WAV files encoded as 8 bit A-law/U-law.

File:

• pjproject/trunk/pjmedia/include/pjmedia/wave.h (modified) (3 diffs)

pjproject/trunk/pjmedia/include/pjmedia/wave.h

@@ -67 +67 @@
 #define PJMEDIA_DATA_TAG        ('a'<<24|'t'<<16|'a'<<8|'d')
 
+/**
+ * Standard FACT tag to identify fact chunks.
+ */
+#define PJMEDIA_FACT_TAG        ('t'<<24|'c'<<16|'a'<<8|'f')
+
+
+/**
+ * Enumeration of format compression tag.
+ */
+typedef enum {
+    PJMEDIA_WAVE_FMT_TAG_PCM    = 1,
+    PJMEDIA_WAVE_FMT_TAG_ALAW   = 6,
+    PJMEDIA_WAVE_FMT_TAG_ULAW   = 7
+} pjmedia_wave_fmt_tag;
+
 
 /**
@@ -72 +87 @@
  * It does not support the full RIFF format specification.
  */
+#pragma pack(2)
 struct pjmedia_wave_hdr
 {
@@ -99 +115 @@
     } data_hdr;
 };
+#pragma pack()
 
 /**