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[nodes] ldrToHdr: improve metadata search

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This commit is contained in:
Fabien Castan 2020-07-02 11:28:19 +02:00
parent aa7fed41b5
commit 2d0e17b026
1 changed files with 23 additions and 5 deletions
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28
meshroom/nodes/aliceVision/LDRToHDR.py
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@ -5,6 +5,23 @@ import os
from meshroom.core import desc
def findMetadata(d, keys, defaultValue):
v = None
for key in keys:
v = d.get(key, None)
k = key.lower()
if v != None:
return v
for dk, dv in d:
dkm = dk.lower().replace(" ", "")
if dkm == key.lower():
return dv
dkm = dkm.split(":")[-1]
dkm = dkm.split("/")[-1]
if dkm == k:
return dv
return defaultValue
class DividedInputNodeSize(desc.DynamicNodeSize):
"""
@ -237,12 +254,13 @@ It is done in 2 steps:
node.nbBrackets.value = 0
return
d = json.loads(jsonMetadata)
fnumber = d.get("FNumber", d.get("Exif:ApertureValue", ""))
shutterSpeed = d.get("Exif:ShutterSpeedValue", "") # also "ExposureTime"?
iso = d.get("Exif:ISOSpeedRatings", "")
fnumber = findMetadata(d, ["FNumber", "Exif:ApertureValue", "ApertureValue", "Aperture"], "")
shutterSpeed = findMetadata(d, ["Exif:ShutterSpeedValue", "ShutterSpeedValue", "ShutterSpeed"], "")
iso = findMetadata(d, ["Exif:ISOSpeedRatings", "ISOSpeedRatings", "ISO"], "")
if not fnumber and not shutterSpeed:
# if one image without shutter or fnumber, we cannot found the number of brackets
node.nbBrackets.value = 0
# If one image without shutter or fnumber, we cannot found the number of brackets.
# We assume that there is no multi-bracketing, so nothing to do.
node.nbBrackets.value = 1
return
inputs.append((viewpoint.path.value, (fnumber, shutterSpeed, iso)))
inputs.sort()