Changeset 993 for trunk/src/readCineHeader.m

Timestamp:

Feb 6, 2017, 11:29:01 AM (7 years ago)

Author:

sommeria

Message:

various updates

File:

• trunk/src/readCineHeader.m (modified) (3 diffs)

trunk/src/readCineHeader.m

@@ -1 @@
-function [CineFileHeader, BitmapInfoHeader, CameraSetup, imageLocations,  annotationSize] = readCineHeader(filePath)
+function [CineFileHeader, BitmapInfoHeader, CameraSetup, TimeOnlyBlock, ExposureOnlyBlock, TimeCodeBlock, imageLocations,  annotationSize] = readCineHeader(filePath)
 
 fid = fopen(filePath);
@@ -28 +28 @@
 BitmapInfoHeader.biClrUsed = fread(fid, 1, 'uint32');
 BitmapInfoHeader.biClrImportant = fread(fid, 1, 'uint32');
+
+fseek(fid, hex2dec('00E2'), 'bof');
+CameraSetup.Length = fread(fid, 1, 'uint16');
+
+fseek(fid, hex2dec('0370'), 'bof');
+CameraSetup.FirmwareVersion = fread(fid, 1, 'uint32');
+
+fseek(fid, hex2dec('0374'), 'bof');
+CameraSetup.SoftwareVersion = fread(fid, 1, 'uint32');
 
 fseek(fid, hex2dec('0354'), 'bof');
@@ -60 +69 @@
 
 
+%% Tagged Information Blocks
+% AnalogDigitalSignals (ADS) -> not contained in MIRO cine-files
+% ImageTimeTaggedBlock (ITTB) -> not contained in MIRO cine-files
+
+% TimeOnlyBlock (TOB) -> Type should be 1002
+PositionTOB = CineFileHeader.OffSetup + CameraSetup.Length;
+fseek(fid, PositionTOB , 'bof');
+TimeOnlyBlock.Length = fread(fid, 1, 'uint32');
+TimeOnlyBlock.Type = fread(fid, 1, 'uint16');
+TimeOnlyBlock.Reserved = fread(fid, 1, 'uint16');
+TimeOnlyBlock.Data = transpose([1:CineFileHeader.ImageCount ; fread(fid,[2,CineFileHeader.ImageCount], 'uint32')]); % Framenumber combined with Data contained in TOB
+TimeOnlyBlock.TimestampsDatetime = datetime(TimeOnlyBlock.Data(:,3), 'ConvertFrom', 'posixtime');  % Timestamp as Datetime
+% TimeOnlyBlock.TimestampsDatestr = datestr(TimeOnlyBlock.TimestampsDatetime);  % Timestamp as String
+TimeOnlyBlock.TimestampsMillisec = TimeOnlyBlock.Data(:,2)./(2^32);    % Milliseconds of the Timestamp
+TimeOnlyBlock.ExposureTimeDelays = [0 ; TimeOnlyBlock.TimestampsMillisec(2:end)-TimeOnlyBlock.TimestampsMillisec(1:end-1)]; % Timedifference between two frames. First frame is set to have no timedifference
+
+% ExposureOnlyBlock (EOB) -> Type should be 1003
+PositionEOB = PositionTOB + TimeOnlyBlock.Length;
+fseek(fid, PositionEOB , 'bof');
+ExposureOnlyBlock.Length = fread(fid, 1, 'uint32');
+ExposureOnlyBlock.Type = fread(fid, 1, 'uint16');
+ExposureOnlyBlock.Reserved = fread(fid, 1, 'uint16');
+ExposureOnlyBlock.Data = fread(fid,CineFileHeader.ImageCount, 'uint32');
+ExposureOnlyBlock.ExposureTimesMillisec = ExposureOnlyBlock.Data ./(2^32) .*1000;
+ExposureOnlyBlock.test1 = fread(fid, 1, 'uint32');
+ExposureOnlyBlock.test2 = fread(fid, 1, 'uint16');
+ExposureOnlyBlock.test3 = fread(fid, 1, 'uint16');
+
+% RangeDataBlock (RDB) -> not contained in MIRO cine-files
+% BinSigBlock (BSB) -> not contained in MIRO cine-files
+% AnaSigBlock (ASB) -> not contained in MIRO cine-files
+
+% TimeCodeBlock (TCB)  -> Type should be 1007
+PositionTCB = PositionEOB + ExposureOnlyBlock.Length;
+fseek(fid, PositionTCB , 'bof');
+TimeCodeBlock.Length = fread(fid, 1, 'uint32');
+TimeCodeBlock.Type = fread(fid, 1, 'uint16');
+TimeCodeBlock.Reserved = fread(fid, 1, 'uint16');
+TimeCodeBlock.Data = fread(fid, 1, 'uint8');
+
+
+%% Image Locations and their Annotations
 fseek(fid, CineFileHeader.OffImageOffsets, 'bof');
 imageBlockLocations = fread(fid, CineFileHeader.ImageCount, 'int64');
-
 
 fseek(fid, imageBlockLocations(1), 'bof');
 annotationSize = fread(fid, 1, 'uint32');
 
-
 imageLocations = imageBlockLocations + annotationSize;
 
+
+%%
 fclose(fid);