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