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Diffstat (limited to 'libtoolame-dab/common.h')
| -rw-r--r-- | libtoolame-dab/common.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/libtoolame-dab/common.h b/libtoolame-dab/common.h new file mode 100644 index 0000000..0a19af6 --- /dev/null +++ b/libtoolame-dab/common.h @@ -0,0 +1,204 @@ +#ifndef COMMON_DOT_H +#define COMMON_DOT_H + +#ifndef EXIT_SUCCESS +#define EXIT_SUCCESS 0 +#endif + +#ifndef EXIT_FAILURE +#define EXIT_FAILURE 1 +#endif + +#define FLOAT float + +#ifndef FALSE +#define FALSE 0 +#endif + +#ifndef TRUE +#define TRUE 1 +#endif + +#define NULL_CHAR '\0' + +#define MAX_U_32_NUM 0xFFFFFFFF +#ifndef PI +#define PI 3.14159265358979 +#endif +#define PI2 PI/2 +#define PI4 PI/4 +#define PI64 PI/64 +#define LN_TO_LOG10 0.2302585093 + +#define VOL_REF_NUM 0 +#define MPEG_AUDIO_ID 1 +#define MPEG_PHASE2_LSF 0 /* 1995-07-11 SHN */ +#define MAC_WINDOW_SIZE 24 + +#define MONO 1 +#define STEREO 2 +#define BITS_IN_A_BYTE 8 +#define WORD 16 +#define MAX_NAME_SIZE 255 +#define SBLIMIT 32 +#define SSLIMIT 18 +#define FFT_SIZE 1024 +#define HAN_SIZE 512 +#define SCALE_BLOCK 12 +#define SCALE_RANGE 64 +#define SCALE 32768 +#define CRC16_POLYNOMIAL 0x8005 +#define CRC8_POLYNOMIAL 0x1D + +/* 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 + +/* Mode Extension */ + +#define MPG_MD_LR_LR 0 +#define MPG_MD_LR_I 1 +#define MPG_MD_MS_LR 2 +#define MPG_MD_MS_I 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 BUFFER_SIZE 4096 + +#define FLOAT8 float +/*********************************************************************** +* +* Global Type Definitions +* +***********************************************************************/ + +#include "utils.h" +#include <stdio.h> +#include <stdlib.h> +#if defined(JACK_INPUT) +# include <jack/jack.h> +#endif + +/* Structure for Reading Layer II Allocation Tables from File */ + +typedef struct +{ + unsigned int steps; + unsigned int bits; + unsigned int group; + unsigned int quant; +} +sb_alloc, *alloc_ptr; + +typedef sb_alloc al_table[SBLIMIT][16]; + +/* Header Information Structure */ + +typedef struct +{ + int version; + int lay; + int error_protection; + int dab_extension; + int dab_length; + int bitrate_index; + int sampling_frequency; + int padding; + int extension; + int mode; + int mode_ext; + int copyright; + int original; + int emphasis; +} +frame_header; + +/* Parent Structure Interpreting some Frame Parameters in Header */ + +typedef struct +{ + frame_header *header; /* raw header information */ + int actual_mode; /* when writing IS, may forget if 0 chs */ + al_table *alloc; /* bit allocation table read in */ + int tab_num; /* number of table as loaded */ + int nch; /* num channels: 1 for mono, 2 for stereo */ + int jsbound; /* first band of joint stereo coding */ + int sblimit; /* total number of sub bands */ +} +frame_info; + +typedef struct bit_stream_struc +{ + unsigned char *output_buffer; /* output buffer */ + int output_buffer_size; + int output_buffer_written; + + unsigned char *buf; /* bit stream buffer */ + int buf_size; /* size of buffer (in number of bytes) */ + long totbit; /* bit counter of bit stream */ + int buf_byte_idx; /* pointer to top byte in buffer */ + int buf_bit_idx; /* pointer to top bit of top byte in buffer */ + int mode; /* bit stream open in read or write mode */ + int eob; /* end of buffer index */ + int eobs; /* end of bit stream flag */ + char format; + + /* format of file in rd mode (BINARY/ASCII) */ +} +Bit_stream_struc; + + +enum byte_order +{ order_unknown, order_bigEndian, order_littleEndian }; +extern enum byte_order NativeByteOrder; + + +typedef struct music_in_s +{ + /* Data for the wav input */ + FILE* wav_input; + +#if defined(JACK_INPUT) + /* Data for the jack input */ + jack_client_t* jack_client; +#endif + const char* jack_name; +} music_in_t; + +/* "bit_stream.h" Type Definitions */ + + + + +/*********************************************************************** +* +* Global Variable External Declarations +* +***********************************************************************/ + +extern char *mode_names[4]; +extern char *version_names[2]; +extern double s_freq[2][4]; +extern int bitrate[2][15]; +extern double multiple[64]; + +int js_bound (int); +void hdr_to_frps (frame_info *); +int BitrateIndex (int, int); +int SmpFrqIndex (long, int *); +void new_ext (char *filename, char *extname, char *newname); + +#endif |