Lines Matching defs:psf
53 static int mpc2k_close (SF_PRIVATE *psf) ;
55 static int mpc2k_write_header (SF_PRIVATE *psf, int calc_length) ;
56 static int mpc2k_read_header (SF_PRIVATE *psf) ;
63 mpc2k_open (SF_PRIVATE *psf)
66 if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
67 { if ((error = mpc2k_read_header (psf)))
71 if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_MPC2K)
74 if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
75 { if (mpc2k_write_header (psf, SF_FALSE))
76 return psf->error ;
78 psf->write_header = mpc2k_write_header ;
81 psf->container_close = mpc2k_close ;
83 psf->blockwidth = psf->bytewidth * psf->sf.channels ;
85 error = pcm_init (psf) ;
94 mpc2k_close (SF_PRIVATE *psf)
96 if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
97 mpc2k_write_header (psf, SF_TRUE) ;
103 mpc2k_write_header (SF_PRIVATE *psf, int calc_length)
107 if (psf->pipeoffset > 0)
110 current = psf_ftell (psf) ;
113 { psf->filelength = psf_get_filelen (psf) ;
115 psf->dataoffset = HEADER_LENGTH ;
116 psf->datalength = psf->filelength - psf->dataoffset ;
118 psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
122 psf->header.ptr [0] = 0 ;
123 psf->header.indx = 0 ;
129 if (psf->is_pipe == SF_FALSE)
130 psf_fseek (psf, 0, SEEK_SET) ;
132 snprintf (sample_name, sizeof (sample_name), "%-*.*s", HEADER_NAME_LEN, HEADER_NAME_LEN, psf->file.name) ;
134 psf_binheader_writef (psf, "e11b", BHW1 (1), BHW1 (4), BHWv (sample_name), BHWz (HEADER_NAME_LEN)) ;
135 psf_binheader_writef (psf, "e111", BHW1 (100), BHW1 (0), BHW1 ((psf->sf.channels - 1) & 1)) ;
136 psf_binheader_writef (psf, "et4888", BHW4 (0), BHW8 (psf->sf.frames), BHW8 (psf->sf.frames), BHW8 (psf->sf.frames)) ;
137 psf_binheader_writef (psf, "e112", BHW1 (0), BHW1 (1), BHW2 ((uint16_t) psf->sf.samplerate)) ;
140 psf->bytewidth = 2 ;
141 psf->endian = SF_ENDIAN_LITTLE ;
143 psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
145 if (psf->error)
146 return psf->error ;
148 psf->dataoffset = psf->header.indx ;
151 psf_fseek (psf, current, SEEK_SET) ;
153 return psf->error ;
157 mpc2k_read_header (SF_PRIVATE *psf)
163 psf_binheader_readf (psf, "pebb", 0, bytes, 2, sample_name, make_size_t (HEADER_NAME_LEN)) ;
170 psf_log_printf (psf, "MPC2000\n Name : %s\n", sample_name) ;
172 psf_binheader_readf (psf, "eb4444", bytes, 3, &sample_start, &loop_end, &sample_frames, &loop_length) ;
174 psf->sf.channels = bytes [2] ? 2 : 1 ;
176 psf_log_printf (psf, " Level : %d\n Tune : %d\n Stereo : %s\n", bytes [0], bytes [1], bytes [2] ? "Yes" : "No") ;
178 psf_log_printf (psf, " Sample start : %d\n Loop end : %d\n Frames : %d\n Length : %d\n", sample_start, loop_end, sample_frames, loop_length) ;
180 psf_binheader_readf (psf, "eb2", bytes, 2, &sample_rate) ;
182 psf_log_printf (psf, " Loop mode : %s\n Beats : %d\n Sample rate : %d\nEnd\n", bytes [0] ? "None" : "Fwd", bytes [1], sample_rate) ;
184 psf->sf.samplerate = sample_rate ;
186 psf->sf.format = SF_FORMAT_MPC2K | SF_FORMAT_PCM_16 ;
188 psf->dataoffset = psf_ftell (psf) ;
191 psf->bytewidth = 2 ;
192 psf->endian = SF_ENDIAN_LITTLE ;
194 psf->datalength = psf->filelength - psf->dataoffset ;
195 psf->blockwidth = psf->sf.channels * psf->bytewidth ;
196 psf->sf.frames = psf->datalength / psf->blockwidth ;
198 psf->sf.frames = (psf->filelength - psf->dataoffset) / psf->blockwidth ;