original files of m241

2026-07-30 11:19:44 +05:30
parent 170c2b3f3a
commit afc7070c1f
12254 changed files with 7655111 additions and 0 deletions
@@ -0,0 +1,97 @@
+/* wavFormat.h - WAV audio file format */
+
+/*
+ * Copyright (c) 2000, 2010 Wind River Systems, Inc.
+ *
+ * The right to copy, distribute, modify, or otherwise make use
+ * of this software may be licensed only pursuant to the terms
+ * of an applicable Wind River license agreement.
+ */
+
+/*
+Modification history
+--------------------
+01b,13jan10,ghs  vxWorks 6.9 LP64 adapting
+01a,14jan00,rcb  First.
+*/
+
+#ifndef __INCwavFormath
+#define __INCwavFormath
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+
+/* RIFF file header */
+
+#define RIFF_HDR_SIG                "RIFF"
+#define RIFF_HDR_SIG_LEN            4
+
+typedef struct riff_hdr
+    {
+    char signature [4];             /* identifier string = "RIFF" */
+    UINT32 length;                  /* remaining length after this header */
+    } RIFF_HDR, *pRIFF_HDR;
+
+
+/* RIFF .wav file signature */
+
+#define RIFF_WAV_DATA_SIG           "WAVE"
+#define RIFF_WAV_DATA_SIG_LEN       4
+
+
+/* RIFF chunk header */
+
+#define RIFF_CHUNK_ID_LEN           4
+
+typedef struct riff_chunk_hdr
+    {
+    char chunkId [RIFF_CHUNK_ID_LEN]; /* ID of chunk */
+    UINT32 length;                    /* remaining length after header */
+    } RIFF_CHUNK_HDR, *pRIFF_CHUNK_HDR;
+
+
+/* .wav format chunk */
+
+#define RIFF_WAV_FMT_CHUNK_ID       "fmt "
+
+typedef struct wav_format_chunk
+    {
+    UINT16 formatTag;               /* format category */
+    UINT16 channels;                /* number of channels */
+    UINT32 samplesPerSec;           /* sampling rate */
+    UINT32 avgBytesPerSec;          /* used to estminate bfr requirements */
+    UINT16 blockAlign;              /* data block size */
+    union
+        {
+        struct                          /* MS PCM-specific data */
+            {
+            UINT16 bitsPerSample;   /* sample size */
+            } msPcm;
+        } fmt;
+    } WAV_FORMAT_CHUNK, *pWAV_FORMAT_CHUNK;
+
+
+/* .wav format categories */
+
+#define WAV_FMT_MS_PCM      0x0001  /* Microsoft PCM */
+#define WAV_FMT_IBM_MULAW   0x0101  /* IBM mul-law */
+#define WAV_FMT_IBM_ALAW    0x0102  /* IBM a-law */
+#define WAV_FMT_IBM_ADPCM   0x0103  /* IBM AVC ADPCM */
+
+
+/* data chunk */
+
+#define RIFF_WAV_DATA_CHUNK_SIG "data"
+
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif  /* __INCwavFormath */
+
+
+/* End of file. */
+