Lines Matching defs:psf
68 static int avr_close (SF_PRIVATE *psf) ;
70 static int avr_read_header (SF_PRIVATE *psf) ;
71 static int avr_write_header (SF_PRIVATE *psf, int calc_length) ;
78 avr_open (SF_PRIVATE *psf)
81 if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
82 { if ((error = avr_read_header (psf)))
86 if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_AVR)
89 if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
90 { psf->endian = SF_ENDIAN_BIG ;
92 if (avr_write_header (psf, SF_FALSE))
93 return psf->error ;
95 psf->write_header = avr_write_header ;
98 psf->container_close = avr_close ;
100 psf->blockwidth = psf->bytewidth * psf->sf.channels ;
102 error = pcm_init (psf) ;
108 avr_read_header (SF_PRIVATE *psf)
113 psf_binheader_readf (psf, "pmb", 0, &hdr.marker, &hdr.name, sizeof (hdr.name)) ;
114 psf_log_printf (psf, "%M\n", hdr.marker) ;
119 psf_log_printf (psf, " Name : %s\n", hdr.name) ;
121 psf_binheader_readf (psf, "E22222", &hdr.mono, &hdr.rez, &hdr.sign, &hdr.loop, &hdr.midi) ;
123 psf->sf.channels = (hdr.mono & 1) + 1 ;
125 psf_log_printf (psf, " Channels : %d\n Bit width : %d\n Signed : %s\n",
130 psf->sf.format = SF_FORMAT_AVR | SF_FORMAT_PCM_U8 ;
131 psf->bytewidth = 1 ;
135 psf->sf.format = SF_FORMAT_AVR | SF_FORMAT_PCM_S8 ;
136 psf->bytewidth = 1 ;
140 psf->sf.format = SF_FORMAT_AVR | SF_FORMAT_PCM_16 ;
141 psf->bytewidth = 2 ;
145 psf_log_printf (psf, "Error : bad rez/sign combination.\n") ;
149 psf_binheader_readf (psf, "E4444", &hdr.srate, &hdr.frames, &hdr.lbeg, &hdr.lend) ;
151 psf->sf.frames = hdr.frames ;
152 psf->sf.samplerate = hdr.srate ;
154 psf_log_printf (psf, " Frames : %D\n", psf->sf.frames) ;
155 psf_log_printf (psf, " Sample rate : %d\n", psf->sf.samplerate) ;
157 psf_binheader_readf (psf, "E222", &hdr.res1, &hdr.res2, &hdr.res3) ;
158 psf_binheader_readf (psf, "bb", hdr.ext, sizeof (hdr.ext), hdr.user, sizeof (hdr.user)) ;
160 psf_log_printf (psf, " Ext : %s\n User : %s\n", hdr.ext, hdr.user) ;
162 psf->endian = SF_ENDIAN_BIG ;
164 psf->dataoffset = AVR_HDR_SIZE ;
165 psf->datalength = hdr.frames * (hdr.rez / 8) ;
167 if (psf->fileoffset > 0)
168 psf->filelength = AVR_HDR_SIZE + psf->datalength ;
170 if (psf_ftell (psf) != psf->dataoffset)
171 psf_binheader_readf (psf, "j", psf->dataoffset - psf_ftell (psf)) ;
173 psf->blockwidth = psf->sf.channels * psf->bytewidth ;
175 if (psf->sf.frames == 0 && psf->blockwidth)
176 psf->sf.frames = (psf->filelength - psf->dataoffset) / psf->blockwidth ;
182 avr_write_header (SF_PRIVATE *psf, int calc_length)
186 if (psf->pipeoffset > 0)
189 current = psf_ftell (psf) ;
192 { psf->filelength = psf_get_filelen (psf) ;
194 psf->datalength = psf->filelength - psf->dataoffset ;
195 if (psf->dataend)
196 psf->datalength -= psf->filelength - psf->dataend ;
198 psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
202 psf->header.ptr [0] = 0 ;
203 psf->header.indx = 0 ;
209 if (psf->is_pipe == SF_FALSE)
210 psf_fseek (psf, 0, SEEK_SET) ;
212 psf_binheader_writef (psf, "Emz22", BHWm (TWOBIT_MARKER), BHWz (8),
213 BHW2 (psf->sf.channels == 2 ? 0xFFFF : 0), BHW2 (psf->bytewidth * 8)) ;
215 sign = ((SF_CODEC (psf->sf.format)) == SF_FORMAT_PCM_U8) ? 0 : 0xFFFF ;
217 psf_binheader_writef (psf, "E222", BHW2 (sign), BHW2 (0), BHW2 (0xFFFF)) ;
218 psf_binheader_writef (psf, "E4444", BHW4 (psf->sf.samplerate), BHW4 (psf->sf.frames), BHW4 (0), BHW4 (0)) ;
220 psf_binheader_writef (psf, "E222zz", BHW2 (0), BHW2 (0), BHW2 (0), BHWz (20), BHWz (64)) ;
223 psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
225 if (psf->error)
226 return psf->error ;
228 psf->dataoffset = psf->header.indx ;
231 psf_fseek (psf, current, SEEK_SET) ;
233 return psf->error ;
237 avr_close (SF_PRIVATE *psf)
239 if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
240 avr_write_header (psf, SF_TRUE) ;