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- /*
- * Copyright (C) 1994, Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
- * the contents of this file may not be disclosed to third parties, copied or
- * duplicated in any form, in whole or in part, without the prior written
- * permission of Silicon Graphics, Inc.
- *
- * RESTRICTED RIGHTS LEGEND:
- * Use, duplication or disclosure by the Government is subject to restrictions
- * as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
- * and Computer Software clause at DFARS 252.227-7013, and/or in similar or
- * successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
- * rights reserved under the Copyright Laws of the United States.
- */
- /*
- * AIFF format header file
- *
- * bytes are stored in 68000 = big endian order
- */
-
- /*
- * some of the audio parameters in an AIFF file
- */
- typedef struct
- {
- long samprate;
- long nchannels;
- long sampwidth;
- } audio_params_t;
-
- /*
- * all chunks consist of a chunk header followed by some data
- */
- typedef struct
- {
- char id[4];
- long size;
- } chunk_header_t;
-
- #define CHUNK_ID 4
- #define CHUNK_HEADER 8
-
- typedef struct
- {
- chunk_header_t header;
- int file_position; /* not in AIFF file */
- char type[4]; /* should contain 'AIFF' for any audio IFF file */
- } form_chunk_t;
-
- #define FORM_CHUNK 12 /* including the header */
- #define FORM_CHUNK_DATA 4
-
- #define COMM_CHUNK 26 /* including the header */
- #define COMM_CHUNK_DATA 18
-
- typedef struct
- {
- chunk_header_t header;
- int file_position; /* not in AIFF file */
- short nchannels;
- unsigned long nsampframes;
- short sampwidth;
- long samprate; /* not in AIFF file */
- } comm_chunk_t;
-
-
- #define SSND_CHUNK 16 /* including the header */
- #define SSND_CHUNK_DATA 8
-
- typedef struct
- {
- chunk_header_t header;
- unsigned long offset;
- unsigned long blocksize;
-
- long file_position; /* not in AIFF file */
- long sample_bytes; /* not in AIFF file */
- } ssnd_chunk_t;
-