Lines Matching defs:psf
41 static int htk_close (SF_PRIVATE *psf) ;
43 static int htk_write_header (SF_PRIVATE *psf, int calc_length) ;
44 static int htk_read_header (SF_PRIVATE *psf) ;
51 htk_open (SF_PRIVATE *psf)
55 if (psf->is_pipe)
58 if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
59 { if ((error = htk_read_header (psf)))
63 subformat = SF_CODEC (psf->sf.format) ;
65 if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
66 { if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_HTK)
69 psf->endian = SF_ENDIAN_BIG ;
71 if (htk_write_header (psf, SF_FALSE))
72 return psf->error ;
74 psf->write_header = htk_write_header ;
77 psf->container_close = htk_close ;
79 psf->blockwidth = psf->bytewidth * psf->sf.channels ;
83 error = pcm_init (psf) ;
96 htk_close (SF_PRIVATE *psf)
98 if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
99 htk_write_header (psf, SF_TRUE) ;
105 htk_write_header (SF_PRIVATE *psf, int calc_length)
109 current = psf_ftell (psf) ;
112 psf->filelength = psf_get_filelen (psf) ;
115 psf->header.ptr [0] = 0 ;
116 psf->header.indx = 0 ;
117 psf_fseek (psf, 0, SEEK_SET) ;
119 if (psf->filelength > 12)
120 sample_count = (psf->filelength - 12) / 2 ;
124 sample_period = 10000000 / psf->sf.samplerate ;
126 psf_binheader_writef (psf, "E444", BHW4 (sample_count), BHW4 (sample_period), BHW4 (0x20000)) ;
129 psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
131 if (psf->error)
132 return psf->error ;
134 psf->dataoffset = psf->header.indx ;
137 psf_fseek (psf, current, SEEK_SET) ;
139 return psf->error ;
186 htk_read_header (SF_PRIVATE *psf)
189 psf_binheader_readf (psf, "pE444", 0, &sample_count, &sample_period, &marker) ;
191 if (2 * sample_count + 12 != psf->filelength)
197 psf->sf.channels = 1 ;
200 { psf->sf.samplerate = 10000000 / sample_period ;
201 psf_log_printf (psf, "HTK Waveform file\n Sample Count : %d\n Sample Period : %d => %d Hz\n",
202 sample_count, sample_period, psf->sf.samplerate) ;
205 { psf->sf.samplerate = 16000 ;
206 psf_log_printf (psf, "HTK Waveform file\n Sample Count : %d\n Sample Period : %d (should be > 0) => Guessed sample rate %d Hz\n",
207 sample_count, sample_period, psf->sf.samplerate) ;
210 psf->sf.format = SF_FORMAT_HTK | SF_FORMAT_PCM_16 ;
211 psf->bytewidth = 2 ;
214 psf->dataoffset = 12 ;
215 psf->endian = SF_ENDIAN_BIG ;
217 psf->datalength = psf->filelength - psf->dataoffset ;
219 psf->blockwidth = psf->sf.channels * psf->bytewidth ;
221 if (! psf->sf.frames && psf->blockwidth)
222 psf->sf.frames = (psf->filelength - psf->dataoffset) / psf->blockwidth ;