X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=futatabi%2Fjpeg_frame_view.cpp;h=d471634932da364c3e4a80229948b351511c6913;hb=f9024d141398e69e7b4011becd3ebbe37eaa1776;hp=198affd38ecd5324cc58977dc75c94d2741ac930;hpb=9ffd4f03f314cc6e0254449593def95c9bc203d6;p=nageru

diff --git a/futatabi/jpeg_frame_view.cpp b/futatabi/jpeg_frame_view.cpp
index 198affd..d471634 100644
--- a/futatabi/jpeg_frame_view.cpp
+++ b/futatabi/jpeg_frame_view.cpp
@@ -109,6 +109,8 @@ shared_ptr<Frame> decode_jpeg(const string &jpeg)
 		return get_black_frame();
 	}
 
+	jpeg_save_markers(&dinfo, JPEG_APP0 + 1, 0xFFFF);
+
 	if (dinfo.num_components != 3) {
 		fprintf(stderr, "Not a color JPEG. (%d components, Y=%dx%d, Cb=%dx%d, Cr=%dx%d)\n",
 		        dinfo.num_components,
@@ -159,6 +161,14 @@ shared_ptr<Frame> decode_jpeg(const string &jpeg)
 	frame->pitch_y = luma_width_blocks * DCTSIZE;
 	frame->pitch_chroma = chroma_width_blocks * DCTSIZE;
 
+	if (dinfo.marker_list != nullptr &&
+	    dinfo.marker_list->marker == JPEG_APP0 + 1 &&
+	    dinfo.marker_list->data_length >= 4 &&
+	    memcmp(dinfo.marker_list->data, "Exif", 4) == 0) {
+		frame->exif_data.assign(reinterpret_cast<char *>(dinfo.marker_list->data),
+			dinfo.marker_list->data_length);
+	}
+
 	if (!error_mgr.run([&dinfo, &frame, v_mcu_size, mcu_height_blocks] {
 		    JSAMPROW yptr[v_mcu_size], cbptr[v_mcu_size], crptr[v_mcu_size];
 		    JSAMPARRAY data[3] = { yptr, cbptr, crptr };
@@ -238,7 +248,7 @@ shared_ptr<Frame> decode_jpeg_with_cache(FrameOnDisk frame_spec, CacheMissBehavi
 	++metric_jpeg_cache_miss_frames;
 
 	*did_decode = true;
-	shared_ptr<Frame> frame = decode_jpeg(frame_reader->read_frame(frame_spec));
+	shared_ptr<Frame> frame = decode_jpeg(frame_reader->read_frame(frame_spec, /*read_video=*/true, /*read_audio=*/false).video);
 
 	lock_guard<mutex> lock(cache_mu);
 	cache_bytes_used += frame_size(*frame);