Lines Matching defs:psf
40 static int pvf_close (SF_PRIVATE *psf) ;
42 static int pvf_write_header (SF_PRIVATE *psf, int calc_length) ;
43 static int pvf_read_header (SF_PRIVATE *psf) ;
50 pvf_open (SF_PRIVATE *psf)
54 if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
55 { if ((error = pvf_read_header (psf)))
59 subformat = SF_CODEC (psf->sf.format) ;
61 if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
62 { if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_PVF)
65 psf->endian = SF_ENDIAN_BIG ;
67 if (pvf_write_header (psf, SF_FALSE))
68 return psf->error ;
70 psf->write_header = pvf_write_header ;
73 psf->container_close = pvf_close ;
75 psf->blockwidth = psf->bytewidth * psf->sf.channels ;
81 error = pcm_init (psf) ;
94 pvf_close (SF_PRIVATE * UNUSED (psf))
100 pvf_write_header (SF_PRIVATE *psf, int UNUSED (calc_length))
103 if (psf->pipeoffset > 0)
106 current = psf_ftell (psf) ;
109 psf->header.ptr [0] = 0 ;
110 psf->header.indx = 0 ;
112 if (psf->is_pipe == SF_FALSE)
113 psf_fseek (psf, 0, SEEK_SET) ;
115 snprintf ((char*) psf->header.ptr, psf->header.len, "PVF1\n%d %d %d\n",
116 psf->sf.channels, psf->sf.samplerate, psf->bytewidth * 8) ;
118 psf->header.indx = strlen ((char*) psf->header.ptr) ;
121 psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
123 if (psf->error)
124 return psf->error ;
126 psf->dataoffset = psf->header.indx ;
129 psf_fseek (psf, current, SEEK_SET) ;
131 return psf->error ;
135 pvf_read_header (SF_PRIVATE *psf)
139 psf_binheader_readf (psf, "pmj", 0, &marker, 1) ;
140 psf_log_printf (psf, "%M\n", marker) ;
146 psf_binheader_readf (psf, "G", buffer, sizeof (buffer)) ;
151 psf_log_printf (psf, " Channels : %d\n Sample rate : %d\n Bit width : %d\n",
154 psf->sf.channels = channels ;
155 psf->sf.samplerate = samplerate ;
159 psf->sf.format = SF_FORMAT_PVF | SF_FORMAT_PCM_S8 ;
160 psf->bytewidth = 1 ;
164 psf->sf.format = SF_FORMAT_PVF | SF_FORMAT_PCM_16 ;
165 psf->bytewidth = 2 ;
168 psf->sf.format = SF_FORMAT_PVF | SF_FORMAT_PCM_32 ;
169 psf->bytewidth = 4 ;
176 psf->dataoffset = psf_ftell (psf) ;
177 psf_log_printf (psf, " Data Offset : %D\n", psf->dataoffset) ;
179 psf->endian = SF_ENDIAN_BIG ;
181 psf->datalength = psf->filelength - psf->dataoffset ;
182 psf->blockwidth = psf->sf.channels * psf->bytewidth ;
184 if (! psf->sf.frames && psf->blockwidth)
185 psf->sf.frames = (psf->filelength - psf->dataoffset) / psf->blockwidth ;