libsndfile-1.0.31/docs/command.md

3 title: libsndfile : the sf_command function.
6 # sf_command
9 int sf_command (SNDFILE *sndfile, int cmd, void *data, int datasize) ;
109 sf_command (NULL, SFC_GET_LIB_VERSION, buffer, sizeof (buffer)) ;
146 sf_command (sndfile, SFC_GET_LOG_INFO, buffer, sizeof (buffer)) ;
183 sf_command (sndfile, SFC_GET_CURRENT_SF_INFO, sfinfo, sizeof (SF_INFO)) ;
213 sf_command (sndfile, SFC_CALC_SIGNAL_MAX, &max_val, sizeof (max_val)) ;
243 sf_command (sndfile, SFC_CALC_NORM_SIGNAL_MAX, &max_val, sizeof (max_val)) ;
273 sf_command (sndfile, SFC_CALC_MAX_ALL_CHANNELS, peaks, sizeof (peaks)) ;
303 sf_command (sndfile, SFC_CALC_NORM_MAX_ALL_CHANNELS, peaks, sizeof (peaks)) ;
332 sf_command (sndfile, SFC_GET_SIGNAL_MAX, &max_peak, sizeof (max_peak)) ;
362 sf_command (sndfile, SFC_GET_MAX_ALL_CHANNELS, peaks, sizeof (peaks)) ;
411 sf_command (sndfile, SFC_SET_NORM_FLOAT, NULL, SF_TRUE) ;
413 sf_command (sndfile, SFC_SET_NORM_FLOAT, NULL, SF_FALSE) ;
461 sf_command (sndfile, SFC_SET_NORM_DOUBLE, NULL, SF_TRUE) ;
463 sf_command (sndfile, SFC_SET_NORM_DOUBLE, NULL, SF_FALSE) ;
491 normalisation = sf_command (sndfile, SFC_GET_NORM_FLOAT, NULL, 0) ;
519 normalisation = sf_command (sndfile, SFC_GET_NORM_DOUBLE, NULL, 0) ;
548 sf_command (sndfile, SFC_SET_SCALE_FLOAT_INT_READ, NULL, SF_TRUE) ;
577 sf_command (sndfile, SFC_SET_SCALE_INT_FLOAT_WRITE, NULL, SF_TRUE) ;
606 sf_command (sndfile, SFC_GET_SIMPLE_FORMAT_COUNT, &count, sizeof (int)) ;
641 When `sf_command()` is called with `SF_GET_SIMPLE_FORMAT`, the value of the
651 sf_command (sndfile, SFC_GET_SIMPLE_FORMAT_COUNT, &count, sizeof (int)) ;
655     sf_command (sndfile, SFC_GET_SIMPLE_FORMAT, &format_info, sizeof (format_info)) ;
698 When `sf_command()` is called with `SF_GET_FORMAT_INFO`, the format field is
711 sf_command (sndfile, SFC_GET_FORMAT_INFO, &format_info, sizeof (format_info)) ;
715 sf_command (sndfile, SFC_GET_FORMAT_INFO, &format_info, sizeof (format_info)) ;
745 sf_command (sndfile, SFC_GET_FORMAT_MAJOR_COUNT, &count, sizeof (int)) ;
776 sf_command (sndfile, SFC_GET_FORMAT_MAJOR_COUNT, &count, sizeof (int)) ;
780     sf_command (sndfile, SFC_GET_FORMAT_MAJOR, &format_info, sizeof (format_info)) ;
819 sf_command (sndfile, SFC_GET_FORMAT_SUBTYPE_COUNT, &count, sizeof (int)) ;
854 sf_command (sndfile, SFC_GET_FORMAT_SUBTYPE_COUNT, &count, sizeof (int)) ;
858     sf_command (sndfile, SFC_GET_FORMAT_SUBTYPE, &format_info, sizeof (format_info)) ;
871 sf_command (sndfile, SFC_GET_FORMAT_SUBTYPE_COUNT, &count, sizeof (int)) ;
875     sf_command (sndfile, SFC_GET_FORMAT_SUBTYPE, &format_info, sizeof (format_info)) ;
921 sf_command (sndfile, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
924 sf_command (sndfile, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
961 sf_command (sndfile, SFC_UPDATE_HEADER_NOW, NULL, 0) ;
991 sf_command (sndfile, SFC_SET_UPDATE_HEADER_AUTO, NULL, SF_TRUE) ;
994 sf_command (sndfile, SFC_SET_UPDATE_HEADER_AUTO, NULL, SF_FALSE) ;
1029 sf_command (sndfile, SFC_FILE_TRUNCATE, &frames, sizeof (frames)) ;
1062 sf_command (sndfile, SFC_SET_RAW_START_OFFSET, &offset, sizeof (offset)) ;
1092 sf_command (sndfile, SFC_SET_CLIPPING, NULL, SF_TRUE) ;
1122 sf_command (sndfile, SFC_GET_CLIPPING, NULL, 0) ;
1592 sf_command (sndfile, SFC_GET_LOOP_INFO, &loop, sizeof (loop)) ;
1651 sf_command (sndfile, SFC_GET_INSTRUMENT, &inst, sizeof (inst)) ;
1681 sf_command (sndfile, SFC_SET_INSTRUMENT, &inst, sizeof (inst)) ;
1712 sf_command (sndfile, SFC_GET_CUE_COUNT, &cue_count, sizeof (cue_count)) ;
1763 sf_command (sndfile, SFC_GET_CUE, &cues, sizeof (cues)) ;
1793 sf_command (sndfile, SFC_SET_CUE, &cues, sizeof (cues)) ;
1833 sf_command (sndfile, SFC_RF64_AUTO_DOWNGRADE, NULL, SF_TRUE) ;
1871 sf_command (sndfile, SFC_GET_ORIGINAL_SAMPLERATE, &original_samplerate, sizeof (original_samplerate…
1920 sf_command (sndfile, SFC_SET_ORIGINAL_SAMPLERATE, &original_samplerate, sizeof (input_samplerate)) ;