diff options
| author | Xusheng <xusheng@vector35.com> | 2021-07-01 12:34:30 +0800 |
|---|---|---|
| committer | Xusheng Li <xushengli@protonmail.com> | 2021-07-05 10:11:47 +0800 |
| commit | 13ff200ba134b8704f37eca99c42b70dab0d17dc (patch) | |
| tree | 876b3db3c53f704b31152aeaede1f2edc9d27b24 /python/examples/kaitai/fasttracker_xm_module.py | |
| parent | 4039a800349dcd587833d3e27d9137e4649818f4 (diff) | |
Remove snippet and kaitai plugin. Note their individual links.
Diffstat (limited to 'python/examples/kaitai/fasttracker_xm_module.py')
| -rw-r--r-- | python/examples/kaitai/fasttracker_xm_module.py | 553 |
1 files changed, 0 insertions, 553 deletions
diff --git a/python/examples/kaitai/fasttracker_xm_module.py b/python/examples/kaitai/fasttracker_xm_module.py deleted file mode 100644 index 9dacb370..00000000 --- a/python/examples/kaitai/fasttracker_xm_module.py +++ /dev/null @@ -1,553 +0,0 @@ -# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild - -from pkg_resources import parse_version -from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO -import collections -from enum import Enum - - -if parse_version(ks_version) < parse_version('0.7'): - raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version)) - -class FasttrackerXmModule(KaitaiStruct): - """XM (standing for eXtended Module) is a popular module music file - format, that was introduced in 1994 in FastTracker2 by Triton demo - group. Akin to MOD files, it bundles both digital samples - (instruments) and instructions on which note to play at what time - (patterns), which provides good audio quality with relatively small - file size. Audio is reproducible without relying on the sound of - particular hardware samplers or synths. - - .. seealso:: - Source - http://sid.ethz.ch/debian/milkytracker/milkytracker-0.90.85%2Bdfsg/resources/reference/xm-form.txt - ftp://ftp.modland.com/pub/documents/format_documentation/FastTracker%202%20v2.04%20(.xm).html - """ - SEQ_FIELDS = ["preheader", "header", "patterns", "instruments"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['preheader']['start'] = self._io.pos() - self.preheader = self._root.Preheader(self._io, self, self._root) - self.preheader._read() - self._debug['preheader']['end'] = self._io.pos() - self._debug['header']['start'] = self._io.pos() - self._raw_header = self._io.read_bytes((self.preheader.header_size - 4)) - io = KaitaiStream(BytesIO(self._raw_header)) - self.header = self._root.Header(io, self, self._root) - self.header._read() - self._debug['header']['end'] = self._io.pos() - self._debug['patterns']['start'] = self._io.pos() - self.patterns = [None] * (self.header.num_patterns) - for i in range(self.header.num_patterns): - if not 'arr' in self._debug['patterns']: - self._debug['patterns']['arr'] = [] - self._debug['patterns']['arr'].append({'start': self._io.pos()}) - _t_patterns = self._root.Pattern(self._io, self, self._root) - _t_patterns._read() - self.patterns[i] = _t_patterns - self._debug['patterns']['arr'][i]['end'] = self._io.pos() - - self._debug['patterns']['end'] = self._io.pos() - self._debug['instruments']['start'] = self._io.pos() - self.instruments = [None] * (self.header.num_instruments) - for i in range(self.header.num_instruments): - if not 'arr' in self._debug['instruments']: - self._debug['instruments']['arr'] = [] - self._debug['instruments']['arr'].append({'start': self._io.pos()}) - _t_instruments = self._root.Instrument(self._io, self, self._root) - _t_instruments._read() - self.instruments[i] = _t_instruments - self._debug['instruments']['arr'][i]['end'] = self._io.pos() - - self._debug['instruments']['end'] = self._io.pos() - - class Preheader(KaitaiStruct): - SEQ_FIELDS = ["signature0", "module_name", "signature1", "tracker_name", "version_number", "header_size"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['signature0']['start'] = self._io.pos() - self.signature0 = self._io.ensure_fixed_contents(b"\x45\x78\x74\x65\x6E\x64\x65\x64\x20\x4D\x6F\x64\x75\x6C\x65\x3A\x20") - self._debug['signature0']['end'] = self._io.pos() - self._debug['module_name']['start'] = self._io.pos() - self.module_name = (KaitaiStream.bytes_terminate(self._io.read_bytes(20), 0, False)).decode(u"utf-8") - self._debug['module_name']['end'] = self._io.pos() - self._debug['signature1']['start'] = self._io.pos() - self.signature1 = self._io.ensure_fixed_contents(b"\x1A") - self._debug['signature1']['end'] = self._io.pos() - self._debug['tracker_name']['start'] = self._io.pos() - self.tracker_name = (KaitaiStream.bytes_terminate(self._io.read_bytes(20), 0, False)).decode(u"utf-8") - self._debug['tracker_name']['end'] = self._io.pos() - self._debug['version_number']['start'] = self._io.pos() - self.version_number = self._root.Preheader.Version(self._io, self, self._root) - self.version_number._read() - self._debug['version_number']['end'] = self._io.pos() - self._debug['header_size']['start'] = self._io.pos() - self.header_size = self._io.read_u4le() - self._debug['header_size']['end'] = self._io.pos() - - class Version(KaitaiStruct): - SEQ_FIELDS = ["minor", "major"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['minor']['start'] = self._io.pos() - self.minor = self._io.read_u1() - self._debug['minor']['end'] = self._io.pos() - self._debug['major']['start'] = self._io.pos() - self.major = self._io.read_u1() - self._debug['major']['end'] = self._io.pos() - - @property - def value(self): - if hasattr(self, '_m_value'): - return self._m_value if hasattr(self, '_m_value') else None - - self._m_value = ((self.major << 8) | self.minor) - return self._m_value if hasattr(self, '_m_value') else None - - - - class Pattern(KaitaiStruct): - SEQ_FIELDS = ["header", "packed_data"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['header']['start'] = self._io.pos() - self.header = self._root.Pattern.Header(self._io, self, self._root) - self.header._read() - self._debug['header']['end'] = self._io.pos() - self._debug['packed_data']['start'] = self._io.pos() - self.packed_data = self._io.read_bytes(self.header.main.len_packed_pattern) - self._debug['packed_data']['end'] = self._io.pos() - - class Header(KaitaiStruct): - SEQ_FIELDS = ["header_length", "main"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['header_length']['start'] = self._io.pos() - self.header_length = self._io.read_u4le() - self._debug['header_length']['end'] = self._io.pos() - self._debug['main']['start'] = self._io.pos() - self._raw_main = self._io.read_bytes((self.header_length - 4)) - io = KaitaiStream(BytesIO(self._raw_main)) - self.main = self._root.Pattern.Header.HeaderMain(io, self, self._root) - self.main._read() - self._debug['main']['end'] = self._io.pos() - - class HeaderMain(KaitaiStruct): - SEQ_FIELDS = ["packing_type", "num_rows_raw", "len_packed_pattern"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['packing_type']['start'] = self._io.pos() - self.packing_type = self._io.read_u1() - self._debug['packing_type']['end'] = self._io.pos() - self._debug['num_rows_raw']['start'] = self._io.pos() - _on = self._root.preheader.version_number.value - if _on == 258: - self.num_rows_raw = self._io.read_u1() - else: - self.num_rows_raw = self._io.read_u2le() - self._debug['num_rows_raw']['end'] = self._io.pos() - self._debug['len_packed_pattern']['start'] = self._io.pos() - self.len_packed_pattern = self._io.read_u2le() - self._debug['len_packed_pattern']['end'] = self._io.pos() - - @property - def num_rows(self): - if hasattr(self, '_m_num_rows'): - return self._m_num_rows if hasattr(self, '_m_num_rows') else None - - self._m_num_rows = (self.num_rows_raw + (1 if self._root.preheader.version_number.value == 258 else 0)) - return self._m_num_rows if hasattr(self, '_m_num_rows') else None - - - - - class Flags(KaitaiStruct): - SEQ_FIELDS = ["reserved", "freq_table_type"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['reserved']['start'] = self._io.pos() - self.reserved = self._io.read_bits_int(15) - self._debug['reserved']['end'] = self._io.pos() - self._debug['freq_table_type']['start'] = self._io.pos() - self.freq_table_type = self._io.read_bits_int(1) != 0 - self._debug['freq_table_type']['end'] = self._io.pos() - - - class Header(KaitaiStruct): - SEQ_FIELDS = ["song_length", "restart_position", "num_channels", "num_patterns", "num_instruments", "flags", "default_tempo", "default_bpm", "pattern_order_table"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['song_length']['start'] = self._io.pos() - self.song_length = self._io.read_u2le() - self._debug['song_length']['end'] = self._io.pos() - self._debug['restart_position']['start'] = self._io.pos() - self.restart_position = self._io.read_u2le() - self._debug['restart_position']['end'] = self._io.pos() - self._debug['num_channels']['start'] = self._io.pos() - self.num_channels = self._io.read_u2le() - self._debug['num_channels']['end'] = self._io.pos() - self._debug['num_patterns']['start'] = self._io.pos() - self.num_patterns = self._io.read_u2le() - self._debug['num_patterns']['end'] = self._io.pos() - self._debug['num_instruments']['start'] = self._io.pos() - self.num_instruments = self._io.read_u2le() - self._debug['num_instruments']['end'] = self._io.pos() - self._debug['flags']['start'] = self._io.pos() - self.flags = self._root.Flags(self._io, self, self._root) - self.flags._read() - self._debug['flags']['end'] = self._io.pos() - self._debug['default_tempo']['start'] = self._io.pos() - self.default_tempo = self._io.read_u2le() - self._debug['default_tempo']['end'] = self._io.pos() - self._debug['default_bpm']['start'] = self._io.pos() - self.default_bpm = self._io.read_u2le() - self._debug['default_bpm']['end'] = self._io.pos() - self._debug['pattern_order_table']['start'] = self._io.pos() - self.pattern_order_table = [None] * (256) - for i in range(256): - if not 'arr' in self._debug['pattern_order_table']: - self._debug['pattern_order_table']['arr'] = [] - self._debug['pattern_order_table']['arr'].append({'start': self._io.pos()}) - self.pattern_order_table[i] = self._io.read_u1() - self._debug['pattern_order_table']['arr'][i]['end'] = self._io.pos() - - self._debug['pattern_order_table']['end'] = self._io.pos() - - - class Instrument(KaitaiStruct): - """XM's notion of "instrument" typically constitutes of a - instrument metadata and one or several samples. Metadata - includes: - - * instrument's name - * instruction of which sample to use for which note - * volume and panning envelopes and looping instructions - * vibrato settings - """ - SEQ_FIELDS = ["header_size", "header", "samples_headers", "samples"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['header_size']['start'] = self._io.pos() - self.header_size = self._io.read_u4le() - self._debug['header_size']['end'] = self._io.pos() - self._debug['header']['start'] = self._io.pos() - self._raw_header = self._io.read_bytes((self.header_size - 4)) - io = KaitaiStream(BytesIO(self._raw_header)) - self.header = self._root.Instrument.Header(io, self, self._root) - self.header._read() - self._debug['header']['end'] = self._io.pos() - self._debug['samples_headers']['start'] = self._io.pos() - self.samples_headers = [None] * (self.header.num_samples) - for i in range(self.header.num_samples): - if not 'arr' in self._debug['samples_headers']: - self._debug['samples_headers']['arr'] = [] - self._debug['samples_headers']['arr'].append({'start': self._io.pos()}) - _t_samples_headers = self._root.Instrument.SampleHeader(self._io, self, self._root) - _t_samples_headers._read() - self.samples_headers[i] = _t_samples_headers - self._debug['samples_headers']['arr'][i]['end'] = self._io.pos() - - self._debug['samples_headers']['end'] = self._io.pos() - self._debug['samples']['start'] = self._io.pos() - self.samples = [None] * (self.header.num_samples) - for i in range(self.header.num_samples): - if not 'arr' in self._debug['samples']: - self._debug['samples']['arr'] = [] - self._debug['samples']['arr'].append({'start': self._io.pos()}) - _t_samples = self._root.Instrument.SamplesData(self.samples_headers[i], self._io, self, self._root) - _t_samples._read() - self.samples[i] = _t_samples - self._debug['samples']['arr'][i]['end'] = self._io.pos() - - self._debug['samples']['end'] = self._io.pos() - - class Header(KaitaiStruct): - SEQ_FIELDS = ["name", "type", "num_samples", "extra_header"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['name']['start'] = self._io.pos() - self.name = (KaitaiStream.bytes_terminate(self._io.read_bytes(22), 0, False)).decode(u"utf-8") - self._debug['name']['end'] = self._io.pos() - self._debug['type']['start'] = self._io.pos() - self.type = self._io.read_u1() - self._debug['type']['end'] = self._io.pos() - self._debug['num_samples']['start'] = self._io.pos() - self.num_samples = self._io.read_u2le() - self._debug['num_samples']['end'] = self._io.pos() - if self.num_samples > 0: - self._debug['extra_header']['start'] = self._io.pos() - self.extra_header = self._root.Instrument.ExtraHeader(self._io, self, self._root) - self.extra_header._read() - self._debug['extra_header']['end'] = self._io.pos() - - - - class ExtraHeader(KaitaiStruct): - - class Type(Enum): - true = 0 - sustain = 1 - loop = 2 - SEQ_FIELDS = ["len_sample_header", "idx_sample_per_note", "volume_points", "panning_points", "num_volume_points", "num_panning_points", "volume_sustain_point", "volume_loop_start_point", "volume_loop_end_point", "panning_sustain_point", "panning_loop_start_point", "panning_loop_end_point", "volume_type", "panning_type", "vibrato_type", "vibrato_sweep", "vibrato_depth", "vibrato_rate", "volume_fadeout", "reserved"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['len_sample_header']['start'] = self._io.pos() - self.len_sample_header = self._io.read_u4le() - self._debug['len_sample_header']['end'] = self._io.pos() - self._debug['idx_sample_per_note']['start'] = self._io.pos() - self.idx_sample_per_note = [None] * (96) - for i in range(96): - if not 'arr' in self._debug['idx_sample_per_note']: - self._debug['idx_sample_per_note']['arr'] = [] - self._debug['idx_sample_per_note']['arr'].append({'start': self._io.pos()}) - self.idx_sample_per_note[i] = self._io.read_u1() - self._debug['idx_sample_per_note']['arr'][i]['end'] = self._io.pos() - - self._debug['idx_sample_per_note']['end'] = self._io.pos() - self._debug['volume_points']['start'] = self._io.pos() - self.volume_points = [None] * (12) - for i in range(12): - if not 'arr' in self._debug['volume_points']: - self._debug['volume_points']['arr'] = [] - self._debug['volume_points']['arr'].append({'start': self._io.pos()}) - _t_volume_points = self._root.Instrument.ExtraHeader.EnvelopePoint(self._io, self, self._root) - _t_volume_points._read() - self.volume_points[i] = _t_volume_points - self._debug['volume_points']['arr'][i]['end'] = self._io.pos() - - self._debug['volume_points']['end'] = self._io.pos() - self._debug['panning_points']['start'] = self._io.pos() - self.panning_points = [None] * (12) - for i in range(12): - if not 'arr' in self._debug['panning_points']: - self._debug['panning_points']['arr'] = [] - self._debug['panning_points']['arr'].append({'start': self._io.pos()}) - _t_panning_points = self._root.Instrument.ExtraHeader.EnvelopePoint(self._io, self, self._root) - _t_panning_points._read() - self.panning_points[i] = _t_panning_points - self._debug['panning_points']['arr'][i]['end'] = self._io.pos() - - self._debug['panning_points']['end'] = self._io.pos() - self._debug['num_volume_points']['start'] = self._io.pos() - self.num_volume_points = self._io.read_u1() - self._debug['num_volume_points']['end'] = self._io.pos() - self._debug['num_panning_points']['start'] = self._io.pos() - self.num_panning_points = self._io.read_u1() - self._debug['num_panning_points']['end'] = self._io.pos() - self._debug['volume_sustain_point']['start'] = self._io.pos() - self.volume_sustain_point = self._io.read_u1() - self._debug['volume_sustain_point']['end'] = self._io.pos() - self._debug['volume_loop_start_point']['start'] = self._io.pos() - self.volume_loop_start_point = self._io.read_u1() - self._debug['volume_loop_start_point']['end'] = self._io.pos() - self._debug['volume_loop_end_point']['start'] = self._io.pos() - self.volume_loop_end_point = self._io.read_u1() - self._debug['volume_loop_end_point']['end'] = self._io.pos() - self._debug['panning_sustain_point']['start'] = self._io.pos() - self.panning_sustain_point = self._io.read_u1() - self._debug['panning_sustain_point']['end'] = self._io.pos() - self._debug['panning_loop_start_point']['start'] = self._io.pos() - self.panning_loop_start_point = self._io.read_u1() - self._debug['panning_loop_start_point']['end'] = self._io.pos() - self._debug['panning_loop_end_point']['start'] = self._io.pos() - self.panning_loop_end_point = self._io.read_u1() - self._debug['panning_loop_end_point']['end'] = self._io.pos() - self._debug['volume_type']['start'] = self._io.pos() - self.volume_type = KaitaiStream.resolve_enum(self._root.Instrument.ExtraHeader.Type, self._io.read_u1()) - self._debug['volume_type']['end'] = self._io.pos() - self._debug['panning_type']['start'] = self._io.pos() - self.panning_type = KaitaiStream.resolve_enum(self._root.Instrument.ExtraHeader.Type, self._io.read_u1()) - self._debug['panning_type']['end'] = self._io.pos() - self._debug['vibrato_type']['start'] = self._io.pos() - self.vibrato_type = self._io.read_u1() - self._debug['vibrato_type']['end'] = self._io.pos() - self._debug['vibrato_sweep']['start'] = self._io.pos() - self.vibrato_sweep = self._io.read_u1() - self._debug['vibrato_sweep']['end'] = self._io.pos() - self._debug['vibrato_depth']['start'] = self._io.pos() - self.vibrato_depth = self._io.read_u1() - self._debug['vibrato_depth']['end'] = self._io.pos() - self._debug['vibrato_rate']['start'] = self._io.pos() - self.vibrato_rate = self._io.read_u1() - self._debug['vibrato_rate']['end'] = self._io.pos() - self._debug['volume_fadeout']['start'] = self._io.pos() - self.volume_fadeout = self._io.read_u2le() - self._debug['volume_fadeout']['end'] = self._io.pos() - self._debug['reserved']['start'] = self._io.pos() - self.reserved = self._io.read_u2le() - self._debug['reserved']['end'] = self._io.pos() - - class EnvelopePoint(KaitaiStruct): - """Envelope frame-counters work in range 0..FFFFh (0..65535 dec). - BUT! FT2 only itself supports only range 0..FFh (0..255 dec). - Some other trackers (like SoundTracker for Unix), however, can use the full range 0..FFFF, so it should be supported. - !!TIP: This is also a good way to detect if the module has been made with FT2 or not. (In case the tracker name is brain- deadly left unchanged!) - Of course it does not help if all instruments have the values inside FT2 supported range. - The value-field of the envelope point is ranged between 00..3Fh (0..64 dec). - """ - SEQ_FIELDS = ["x", "y"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['x']['start'] = self._io.pos() - self.x = self._io.read_u2le() - self._debug['x']['end'] = self._io.pos() - self._debug['y']['start'] = self._io.pos() - self.y = self._io.read_u2le() - self._debug['y']['end'] = self._io.pos() - - - - class SamplesData(KaitaiStruct): - """The saved data uses simple delta-encoding to achieve better compression ratios (when compressed with pkzip, etc.) - Pseudocode for converting the delta-coded data to normal data, - old = 0 - for i in range(data_len): - new = sample[i] + old - sample[i] = new - old = new - """ - SEQ_FIELDS = ["data"] - def __init__(self, header, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self.header = header - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['data']['start'] = self._io.pos() - self.data = self._io.read_bytes((self.header.sample_length * (2 if self.header.type.is_sample_data_16_bit else 1))) - self._debug['data']['end'] = self._io.pos() - - - class SampleHeader(KaitaiStruct): - SEQ_FIELDS = ["sample_length", "sample_loop_start", "sample_loop_length", "volume", "fine_tune", "type", "panning", "relative_note_number", "reserved", "name"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['sample_length']['start'] = self._io.pos() - self.sample_length = self._io.read_u4le() - self._debug['sample_length']['end'] = self._io.pos() - self._debug['sample_loop_start']['start'] = self._io.pos() - self.sample_loop_start = self._io.read_u4le() - self._debug['sample_loop_start']['end'] = self._io.pos() - self._debug['sample_loop_length']['start'] = self._io.pos() - self.sample_loop_length = self._io.read_u4le() - self._debug['sample_loop_length']['end'] = self._io.pos() - self._debug['volume']['start'] = self._io.pos() - self.volume = self._io.read_u1() - self._debug['volume']['end'] = self._io.pos() - self._debug['fine_tune']['start'] = self._io.pos() - self.fine_tune = self._io.read_s1() - self._debug['fine_tune']['end'] = self._io.pos() - self._debug['type']['start'] = self._io.pos() - self.type = self._root.Instrument.SampleHeader.LoopType(self._io, self, self._root) - self.type._read() - self._debug['type']['end'] = self._io.pos() - self._debug['panning']['start'] = self._io.pos() - self.panning = self._io.read_u1() - self._debug['panning']['end'] = self._io.pos() - self._debug['relative_note_number']['start'] = self._io.pos() - self.relative_note_number = self._io.read_s1() - self._debug['relative_note_number']['end'] = self._io.pos() - self._debug['reserved']['start'] = self._io.pos() - self.reserved = self._io.read_u1() - self._debug['reserved']['end'] = self._io.pos() - self._debug['name']['start'] = self._io.pos() - self.name = (KaitaiStream.bytes_terminate(self._io.read_bytes(22), 0, False)).decode(u"utf-8") - self._debug['name']['end'] = self._io.pos() - - class LoopType(KaitaiStruct): - - class LoopType(Enum): - none = 0 - forward = 1 - ping_pong = 2 - SEQ_FIELDS = ["reserved0", "is_sample_data_16_bit", "reserved1", "loop_type"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['reserved0']['start'] = self._io.pos() - self.reserved0 = self._io.read_bits_int(3) - self._debug['reserved0']['end'] = self._io.pos() - self._debug['is_sample_data_16_bit']['start'] = self._io.pos() - self.is_sample_data_16_bit = self._io.read_bits_int(1) != 0 - self._debug['is_sample_data_16_bit']['end'] = self._io.pos() - self._debug['reserved1']['start'] = self._io.pos() - self.reserved1 = self._io.read_bits_int(2) - self._debug['reserved1']['end'] = self._io.pos() - self._debug['loop_type']['start'] = self._io.pos() - self.loop_type = KaitaiStream.resolve_enum(self._root.Instrument.SampleHeader.LoopType.LoopType, self._io.read_bits_int(2)) - self._debug['loop_type']['end'] = self._io.pos() - - - - - |
