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Diffstat (limited to 'kttsd/players/alsaplayer/formats.h')
-rw-r--r-- | kttsd/players/alsaplayer/formats.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/kttsd/players/alsaplayer/formats.h b/kttsd/players/alsaplayer/formats.h new file mode 100644 index 0000000..2c4f724 --- /dev/null +++ b/kttsd/players/alsaplayer/formats.h @@ -0,0 +1,110 @@ +#ifndef FORMATS_H +#define FORMATS_H 1 + +#include <endian.h> +#include <byteswap.h> + +/* Definitions for .VOC files */ + +#define VOC_MAGIC_STRING "Creative Voice File\x1A" +#define VOC_ACTUAL_VERSION 0x010A +#define VOC_SAMPLESIZE 8 + +#define VOC_MODE_MONO 0 +#define VOC_MODE_STEREO 1 + +#define VOC_DATALEN(bp) ((u_long)(bp->datalen) | \ + ((u_long)(bp->datalen_m) << 8) | \ + ((u_long)(bp->datalen_h) << 16) ) + +typedef struct voc_header { + u_char magic[20]; /* must be MAGIC_STRING */ + u_short headerlen; /* Headerlength, should be 0x1A */ + u_short version; /* VOC-file version */ + u_short coded_ver; /* 0x1233-version */ +} VocHeader; + +typedef struct voc_blocktype { + u_char type; + u_char datalen; /* low-byte */ + u_char datalen_m; /* medium-byte */ + u_char datalen_h; /* high-byte */ +} VocBlockType; + +typedef struct voc_voice_data { + u_char tc; + u_char pack; +} VocVoiceData; + +typedef struct voc_ext_block { + u_short tc; + u_char pack; + u_char mode; +} VocExtBlock; + +/* Definitions for Microsoft WAVE format */ + +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define COMPOSE_ID(a,b,c,d) ((a) | ((b)<<8) | ((c)<<16) | ((d)<<24)) +#define LE_SHORT(v) (v) +#define LE_INT(v) (v) +#define BE_SHORT(v) bswap_16(v) +#define BE_INT(v) bswap_32(v) +#elif __BYTE_ORDER == __BIG_ENDIAN +#define COMPOSE_ID(a,b,c,d) ((d) | ((c)<<8) | ((b)<<16) | ((a)<<24)) +#define LE_SHORT(v) bswap_16(v) +#define LE_INT(v) bswap_32(v) +#define BE_SHORT(v) (v) +#define BE_INT(v) (v) +#else +#error "Wrong endian" +#endif + +#define WAV_RIFF COMPOSE_ID('R','I','F','F') +#define WAV_WAVE COMPOSE_ID('W','A','V','E') +#define WAV_FMT COMPOSE_ID('f','m','t',' ') +#define WAV_DATA COMPOSE_ID('d','a','t','a') +#define WAV_PCM_CODE 1 + +/* it's in chunks like .voc and AMIGA iff, but my source say there + are in only in this combination, so I combined them in one header; + it works on all WAVE-file I have + */ +typedef struct { + u_int magic; /* 'RIFF' */ + u_int length; /* filelen */ + u_int type; /* 'WAVE' */ +} WaveHeader; + +typedef struct { + u_short format; /* should be 1 for PCM-code */ + u_short modus; /* 1 Mono, 2 Stereo */ + u_int sample_fq; /* frequence of sample */ + u_int byte_p_sec; + u_short byte_p_spl; /* samplesize; 1 or 2 bytes */ + u_short bit_p_spl; /* 8, 12 or 16 bit */ +} WaveFmtBody; + +typedef struct { + u_int type; /* 'data' */ + u_int length; /* samplecount */ +} WaveChunkHeader; + +/* Definitions for Sparc .au header */ + +#define AU_MAGIC COMPOSE_ID('.','s','n','d') + +#define AU_FMT_ULAW 1 +#define AU_FMT_LIN8 2 +#define AU_FMT_LIN16 3 + +typedef struct au_header { + u_int magic; /* '.snd' */ + u_int hdr_size; /* size of header (min 24) */ + u_int data_size; /* size of data */ + u_int encoding; /* see to AU_FMT_XXXX */ + u_int sample_rate; /* sample rate */ + u_int channels; /* number of channels (voices) */ +} AuHeader; + +#endif /* FORMATS */ |