constant.h

关于DVD的MPEG2用的DSP代码,在DSP的实现MPEG的压缩,解压算法.

#define         MONO                    1
#define         STEREO                  2
#define         BITS_IN_A_BYTE          8
#define         WORD                    16
#define         MAX_NAME_SIZE           81
#define         SBLIMIT                 32
#define         FFT_SIZE                1024
#define         HAN_SIZE                512
#define         SCALE_BLOCK             12
#define         SCALE_RANGE             64
#define         SCALE                   32768
#define         CRC16_POLYNOMIAL        0x8005

/* MPEG Header Definitions - Mode Values */

#define         MPG_MD_STEREO           0
#define         MPG_MD_JOINT_STEREO     1
#define         MPG_MD_DUAL_CHANNEL     2
#define         MPG_MD_MONO             3

/* "bit_stream.h" Definitions */

#define         MINIMUM         4    /* Minimum size of the buffer in bytes */
#define         MAX_LENGTH      32   /* Maximum length of word written or
                                        read from bit stream */
#define         READ_MODE       0
#define         WRITE_MODE      1
#define         ALIGNING        8
#define         BINARY          0
#define         ASCII           1
#define         BS_FORMAT       BINARY /* BINARY or ASCII = 2x bytes */
#define         BUFFER_SIZE     4096