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Removed magic number from DPP supplemental metadata

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Makes all the tests work but it's weird it's not being
found
This commit is contained in:
Jamie Hardt
2023-06-10 00:48:49 -07:00
parent 156568488e
commit 0c418cecdd
1 changed files with 12 additions and 12 deletions
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24
wavinfo/wave_dbmd_reader.py
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@@ -548,9 +548,9 @@ class DolbyAtmosSupplementalMetadata:
h = BytesIO(data)
magic = unpack("<I", h.read(4))
assert magic == cls.MAGIC, "Magic value was not found"
# assert magic == cls.MAGIC, "Magic value was not found"
object_count = unpack("<H", h.read(2))
object_count = unpack("<H", h.read(2))[0]
h.read(1) #skip 1
@@ -563,7 +563,7 @@ class DolbyAtmosSupplementalMetadata:
h.read(object_count) # skip object_count bytes
for _ in range(object_count):
binaural_mode = unpack("B", h.read(1))
binaural_mode = unpack("B", h.read(1))[0]
binaural_mode &= 0x7
render_modes.append(binaural_mode)
@@ -582,7 +582,7 @@ class WavDolbyMetadataReader:
#: indicating if the segment's checksum was valid, and the
#: segment's parsed dataclass (or a `bytes` array if it was
#: not recognized).
segment_list: Tuple[Union[SegmentType, int], bool, Any]
segment_list: List[Tuple[Union[SegmentType, int], bool, Any]]
version: Tuple[int,int,int,int]
@@ -625,8 +625,8 @@ class WavDolbyMetadataReader:
segment = DolbyDigitalPlusMetadata.load(segment)
elif stype == SegmentType.DolbyAtmos:
segment = DolbyAtmosMetadata.load(segment)
# elif stype == SegmentType.DolbyAtmosSupplemental:
# segment = DolbyAtmosSupplementalMetadata.load(segment)
elif stype == SegmentType.DolbyAtmosSupplemental:
segment = DolbyAtmosSupplementalMetadata.load(segment)
self.segment_list.append( (stype, checksum == expected_checksum, segment) )
@@ -644,12 +644,12 @@ class WavDolbyMetadataReader:
return [x[2] for x in self.segment_list \
if x[0] == SegmentType.DolbyAtmos and x[1]]
# def dolby_atmos_supplemental(self) -> List[DolbyAtmosSupplementalMetadata]:
# """
# Every valid Dolby Atmos Supplemental metadata segment in the file.
# """
# return [x[2] for x in self.segment_list \
# if x[0] == SegmentType.DolbyAtmosSupplemental and x[1]]
def dolby_atmos_supplemental(self) -> List[DolbyAtmosSupplementalMetadata]:
"""
Every valid Dolby Atmos Supplemental metadata segment in the file.
"""
return [x[2] for x in self.segment_list \
if x[0] == SegmentType.DolbyAtmosSupplemental and x[1]]
def to_dict(self) -> dict: