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fix JPEG2000 handling after move to Python3

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This commit is contained in:
Johannes 'josch' Schauer 2016-02-17 00:28:19 +01:00
parent 27015c1a6e
commit dbed55655a
1 changed files with 6 additions and 3 deletions
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9
src/jp2.py
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@ -64,9 +64,9 @@ def parse_jp2h(data):
while byteStart < noBytes and boxLengthValue != 0: while byteStart < noBytes and boxLengthValue != 0:
boxLengthValue, boxType, byteEnd, boxContents = \ boxLengthValue, boxType, byteEnd, boxContents = \
getBox(data, byteStart, noBytes) getBox(data, byteStart, noBytes)
if boxType == 'ihdr': if boxType == b'ihdr':
width, height = parse_ihdr(boxContents) width, height = parse_ihdr(boxContents)
elif boxType == 'colr': elif boxType == b'colr':
colorspace = parse_colr(boxContents) colorspace = parse_colr(boxContents)
byteStart = byteEnd byteStart = byteEnd
return (width, height, colorspace) return (width, height, colorspace)
@ -76,10 +76,13 @@ def parsejp2(data):
noBytes = len(data) noBytes = len(data)
byteStart = 0 byteStart = 0
boxLengthValue = 1 # dummy value for while loop condition boxLengthValue = 1 # dummy value for while loop condition
width = None
height = None
colorspace = None
while byteStart < noBytes and boxLengthValue != 0: while byteStart < noBytes and boxLengthValue != 0:
boxLengthValue, boxType, byteEnd, boxContents = \ boxLengthValue, boxType, byteEnd, boxContents = \
getBox(data, byteStart, noBytes) getBox(data, byteStart, noBytes)
if boxType == 'jp2h': if boxType == b'jp2h':
width, height, colorspace = parse_jp2h(boxContents) width, height, colorspace = parse_jp2h(boxContents)
byteStart = byteEnd byteStart = byteEnd
if not width: if not width: