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-rw-r--r--src/android/jpeg/exif.cpp13
-rw-r--r--src/android/jpeg/exif.h5
-rw-r--r--src/android/jpeg/post_processor_jpeg.cpp2
3 files changed, 10 insertions, 10 deletions
diff --git a/src/android/jpeg/exif.cpp b/src/android/jpeg/exif.cpp
index 3220b458..6b1d0f1f 100644
--- a/src/android/jpeg/exif.cpp
+++ b/src/android/jpeg/exif.cpp
@@ -430,16 +430,13 @@ void Exif::setOrientation(int orientation)
setShort(EXIF_IFD_0, EXIF_TAG_ORIENTATION, value);
}
-/*
- * The thumbnail data should remain valid until the Exif object is destroyed.
- * Failing to do so, might result in no thumbnail data being set even after a
- * call to Exif::setThumbnail().
- */
-void Exif::setThumbnail(Span<const unsigned char> thumbnail,
+void Exif::setThumbnail(std::vector<unsigned char> &&thumbnail,
Compression compression)
{
- data_->data = const_cast<unsigned char *>(thumbnail.data());
- data_->size = thumbnail.size();
+ thumbnailData_ = std::move(thumbnail);
+
+ data_->data = thumbnailData_.data();
+ data_->size = thumbnailData_.size();
setShort(EXIF_IFD_0, EXIF_TAG_COMPRESSION, compression);
}
diff --git a/src/android/jpeg/exif.h b/src/android/jpeg/exif.h
index 2ff8fb78..e68716f3 100644
--- a/src/android/jpeg/exif.h
+++ b/src/android/jpeg/exif.h
@@ -10,6 +10,7 @@
#include <chrono>
#include <string>
#include <time.h>
+#include <vector>
#include <libexif/exif-data.h>
@@ -60,7 +61,7 @@ public:
void setOrientation(int orientation);
void setSize(const libcamera::Size &size);
- void setThumbnail(libcamera::Span<const unsigned char> thumbnail,
+ void setThumbnail(std::vector<unsigned char> &&thumbnail,
Compression compression);
void setTimestamp(time_t timestamp, std::chrono::milliseconds msec);
@@ -106,4 +107,6 @@ private:
unsigned char *exifData_;
unsigned int size_;
+
+ std::vector<unsigned char> thumbnailData_;
};
diff --git a/src/android/jpeg/post_processor_jpeg.cpp b/src/android/jpeg/post_processor_jpeg.cpp
index d72ebc3c..0cf56716 100644
--- a/src/android/jpeg/post_processor_jpeg.cpp
+++ b/src/android/jpeg/post_processor_jpeg.cpp
@@ -166,7 +166,7 @@ void PostProcessorJpeg::process(Camera3RequestDescriptor::StreamBuffer *streamBu
std::vector<unsigned char> thumbnail;
generateThumbnail(source, thumbnailSize, quality, &thumbnail);
if (!thumbnail.empty())
- exif.setThumbnail(thumbnail, Exif::Compression::JPEG);
+ exif.setThumbnail(std::move(thumbnail), Exif::Compression::JPEG);
}
resultMetadata->addEntry(ANDROID_JPEG_THUMBNAIL_SIZE, data, 2);