137 bool GetExifIfd(const Endian endian, StreamInterface* stream,  in GetExifIfd()  argument
141   if (!Get32u(stream, sizeof(offset_to_ifd), endian, &offset_to_ifd)) {  in GetExifIfd()
146   TiffDirectory tiff_ifd(endian);  in GetExifIfd()
147   if (!ParseDirectory(kTiffOffset, offset_to_ifd, endian, {kTiffTagExifIfd},  in GetExifIfd()
154     return ParseDirectory(kTiffOffset, exif_offset, endian,  in GetExifIfd()
162 bool GetMakernoteIfd(const TiffDirectory& exif_ifd, const Endian endian,  in GetMakernoteIfd()  argument
175                         endian, {kTiffTagImageWidth, kOlymTagCameraSettings,  in GetMakernoteIfd()
182                           const Endian endian, StreamInterface* stream,  in GetCameraSettingsIfd()  argument
193   if (!Get32u(stream, camera_settings_offset, endian,  in GetCameraSettingsIfd()
198                         makernote_offset + camera_settings_offset, endian,  in GetCameraSettingsIfd()
206                          const Endian endian, StreamInterface* stream,  in GetRawProcessingIfd()  argument
217   if (!Get32u(stream, raw_processing_offset, endian, &raw_processing_offset)) {  in GetRawProcessingIfd()
222       makernote_offset, makernote_offset + raw_processing_offset, endian,  in GetRawProcessingIfd()
231   Endian endian;  in GetOlympusPreviewImage()  local
232   if (!GetEndianness(0 /* tiff offset */, stream, &endian)) {  in GetOlympusPreviewImage()
236   TiffDirectory exif_ifd(endian);  in GetOlympusPreviewImage()
237   if (!GetExifIfd(endian, stream, &exif_ifd)) {  in GetOlympusPreviewImage()
242   TiffDirectory makernote_ifd(endian);  in GetOlympusPreviewImage()
244   if (!GetMakernoteIfd(exif_ifd, endian, kSkipMakernoteStart, stream,  in GetOlympusPreviewImage()
259   TiffDirectory camera_settings_ifd(endian);  in GetOlympusPreviewImage()
260   if (!GetCameraSettingsIfd(makernote_ifd, makernote_offset, endian, stream,  in GetOlympusPreviewImage()
277   TiffDirectory raw_processing_ifd(endian);  in GetOlympusPreviewImage()
279                            makernote_offset, endian, stream,  in GetOlympusPreviewImage()
303   Endian endian;  in PefGetColorSpace()  local
304   if (!GetEndianness(0 /* tiff offset */, stream, &endian)) {  in PefGetColorSpace()
308   TiffDirectory exif_ifd(endian);  in PefGetColorSpace()
309   if (!GetExifIfd(endian, stream, &exif_ifd)) {  in PefGetColorSpace()
314   TiffDirectory makernote_ifd(endian);  in PefGetColorSpace()
316   if (!GetMakernoteIfd(exif_ifd, endian, kSkipMakernoteStart, stream,  in PefGetColorSpace()
335   const Endian endian = tiff_directory::kBigEndian;  in RafGetOrientation()  local
337   if (!Get32u(stream, kRafOffsetToPreviewOffset, endian, &preview_offset)) {  in RafGetOrientation()
348   const Endian endian = tiff_directory::kBigEndian;  in RafGetDimension()  local
351   if (!Get32u(stream, 92 /* cfa header offset */, endian, &cfa_header_index) ||  in RafGetDimension()
352       !Get32u(stream, cfa_header_index, endian, &cfa_header_entries)) {  in RafGetDimension()
362     if (!Get16u(stream, cfa_header_index, endian, &id) ||  in RafGetDimension()
363         !Get16u(stream, cfa_header_index + 2, endian, &length)) {  in RafGetDimension()
370         Get16u(stream, cfa_header_index + 4, endian, &tmp_height) &&  in RafGetDimension()
371         Get16u(stream, cfa_header_index + 6, endian, &tmp_width)) {  in RafGetDimension()
546   const Endian endian = tiff_directory::kBigEndian;  in RafGetPreviewData()  local
549   if (!Get32u(stream, kRafOffsetToPreviewOffset, endian, &preview_offset) ||  in RafGetPreviewData()
550       !Get32u(stream, kRafOffsetToPreviewOffset + 4, endian, &preview_length)) {  in RafGetPreviewData()