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Drop frame recognition

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This commit is contained in:
Jamie Hardt
2019-10-08 10:54:46 -07:00
parent dfb469d577
commit 0c64403819
4 changed files with 57 additions and 16 deletions
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11
ptulsconv/ptuls_grammar.py
View File

@@ -6,8 +6,8 @@ protools_text_export_grammar = Grammar(
header = "SESSION NAME:" fs string_value rs
"SAMPLE RATE:" fs float_value rs
"BIT DEPTH:" fs integer_value "-bit" rs
"SESSION START TIMECODE:" fs timecode_value rs
"TIMECODE FORMAT:" fs float_value " Frame" rs
"SESSION START TIMECODE:" fs string_value rs
"TIMECODE FORMAT:" fs float_value " Drop"? " Frame" rs
"# OF AUDIO TRACKS:" fs integer_value rs
"# OF AUDIO CLIPS:" fs integer_value rs
"# OF AUDIO FILES:" fs integer_value rs block_ending
@@ -38,7 +38,7 @@ protools_text_export_grammar = Grammar(
"COMMENTS:" fs string_value rs
"USER DELAY:" fs integer_value " Samples" rs
"STATE: " track_state_list rs
"PLUG-INS: " ( fs string_value )* rs
("PLUG-INS: " ( fs string_value )* rs)?
"CHANNEL " fs "EVENT " fs "CLIP NAME " fs
"START TIME " fs "END TIME " fs "DURATION " fs
("TIMESTAMP " fs)? "STATE" rs
@@ -50,7 +50,7 @@ protools_text_export_grammar = Grammar(
track_clip_entry = integer_value isp fs
integer_value isp fs
string_value fs
timecode_value fs timecode_value fs timecode_value fs (timecode_value fs)?
string_value fs string_value fs string_value fs (string_value fs)?
track_clip_state rs
track_clip_state = ("Muted" / "Unmuted")
@@ -60,14 +60,13 @@ protools_text_export_grammar = Grammar(
markers_column_header = "# " fs "LOCATION " fs "TIME REFERENCE " fs
"UNITS " fs "NAME " fs "COMMENTS" rs
marker_record = integer_value isp fs timecode_value fs integer_value isp fs
marker_record = integer_value isp fs string_value fs integer_value isp fs
string_value fs string_value fs string_value rs
fs = "\t"
rs = "\n"
block_ending = rs rs
string_value = ~"[^\t\n]*"
timecode_value = ~"[^\d\t\n]*" ~"\d\d:\d\d:\d\d:\d\d(\.\d+)?" ~"[^\d\t\n]*"
integer_value = ~"\d+"
float_value = ~"\d+(\.\d+)"
isp = ~"[^\d\t\n]*"

21
ptulsconv/ptuls_parser_visitor.py
View File

@@ -17,14 +17,20 @@ class DictionaryParserVisitor(NodeVisitor):
markers=markers)
def visit_header(self, node, visited_children):
tc_drop = False
for _ in visited_children[20]:
tc_drop = True
return dict(session_name=visited_children[2],
sample_rate=visited_children[6],
bit_depth=visited_children[10],
start_timecode=visited_children[15],
timecode_format=visited_children[19],
count_audio_tracks=visited_children[24],
count_clips=visited_children[28],
count_files=visited_children[32])
timecode_drop_frame=tc_drop,
count_audio_tracks=visited_children[25],
count_clips=visited_children[29],
count_files=visited_children[33])
def visit_files_section(self, node, visited_children):
return list(map(lambda child: dict(filename=child[0], path=child[2]), visited_children[2]))
@@ -50,8 +56,9 @@ class DictionaryParserVisitor(NodeVisitor):
clips.append(clip[0])
plugins = []
for plugin in track_header[17]:
plugins.append(plugin[1])
for plugin_opt in track_header[16]:
for plugin in plugin_opt[1]:
plugins.append(plugin[1])
return dict(
name=track_header[2],
@@ -114,8 +121,8 @@ class DictionaryParserVisitor(NodeVisitor):
def visit_integer_value(self, node, visited_children):
return int(node.text)
def visit_timecode_value(self, node, visited_children):
return visited_children[1].text
# def visit_timecode_value(self, node, visited_children):
# return node.text.strip(" ")
def visit_float_value(self, node, visited_children):
return float(node.text)

5
tests/test_robinhood1.py
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@@ -1,6 +1,6 @@
import unittest
import ptulsconv
import pprint
#import pprint
import os.path
@@ -18,6 +18,7 @@ class TestRobinHood1(unittest.TestCase):
self.assertEqual(parsed['header']['sample_rate'], 48000.0)
self.assertEqual(parsed['header']['bit_depth'], 24)
self.assertEqual(parsed['header']['timecode_format'], 29.97)
self.assertEqual(parsed['header']['timecode_drop_frame'], False)
def test_all_sections(self):
with open(self.path, 'r') as f:
@@ -102,8 +103,6 @@ class TestRobinHood1(unittest.TestCase):
xformed = xformer.transform(parsed)
pprint.pprint(xformed)

36
tests/test_robinhooddf.py Normal file
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@@ -0,0 +1,36 @@
import unittest
import ptulsconv
import os.path
class TestRobinHoodDF(unittest.TestCase):
path = os.path.dirname(__file__) + '/export_cases/Robin Hood SpottingDF.txt'
def test_header_export_df(self):
with open(self.path, 'r') as f:
visitor = ptulsconv.DictionaryParserVisitor()
result = ptulsconv.protools_text_export_grammar.parse(f.read())
parsed: dict = visitor.visit(result)
self.assertTrue('header' in parsed.keys())
self.assertEqual(parsed['header']['timecode_drop_frame'], True)
def test_a_track(self):
with open(self.path, 'r') as f:
visitor = ptulsconv.DictionaryParserVisitor()
result = ptulsconv.protools_text_export_grammar.parse(f.read())
parsed: dict = visitor.visit(result)
guy_track = parsed['tracks'][4]
self.assertEqual(guy_track['name'], 'Robin')
self.assertEqual(guy_track['comments'], '[ADR] {Actor=Errol Flynn} $CN=1')
self.assertEqual(guy_track['user_delay_samples'], 0)
self.assertListEqual(guy_track['state'], [])
self.assertEqual(len(guy_track['clips']), 10)
self.assertEqual(guy_track['clips'][5]['channel'], 1)
self.assertEqual(guy_track['clips'][5]['event'], 6)
self.assertEqual(guy_track['clips'][5]['clip_name'], "\"Hold there! What's his fault?\" $QN=R106")
self.assertEqual(guy_track['clips'][5]['start_time'], "01:05:30;15")
self.assertEqual(guy_track['clips'][5]['end_time'], "01:05:32;01")
self.assertEqual(guy_track['clips'][5]['duration'], "00:00:01;16")
self.assertEqual(guy_track['clips'][5]['timestamp'], None)
self.assertEqual(guy_track['clips'][5]['state'], 'Unmuted')