1 files changed, 81 insertions, 0 deletions
diff --git a/libgphoto2/jpeg.h b/libgphoto2/jpeg.h
new file mode 100644
index 000000000..bbc83e1a4
--- /dev/null
+++ b/libgphoto2/jpeg.h
@@ -0,0 +1,81 @@
+/** \file
+ * 
+ * \author This code was written by Nathan Stenzel for gphoto
+ *
+ * \note
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * \note
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * \note
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GPHOTO2_JPEG_H__
+#define __GPHOTO2_JPEG_H__
+
+#include <gphoto2/gphoto2-file.h>
+
+typedef enum {
+    JPEG_START=0xD8,        JPEG_COMMENT=0xFE,      JPEG_APPO=0xE0,
+    JPEG_QUANTIZATION=0xDB, JPEG_HUFFMAN=0xC4,      JPEG_SOFC0=0xC0,
+    JPEG_SSSEAHAL=0xDA,     JPEG_EOI=0xD9
+} jpegmarker;
+
+typedef struct chunk{
+    int size;
+    unsigned char *data;
+} chunk;
+
+typedef char jpeg_quantization_table[64];
+
+typedef struct jpeg {
+    int count;
+    struct chunk *marker[20]; /* I think this should be big enough */
+}jpeg;
+
+chunk *gpi_jpeg_chunk_new(int length);
+chunk *gpi_jpeg_chunk_new_filled(int length, char *data);
+void gpi_jpeg_chunk_destroy(chunk *mychunk);
+void gpi_jpeg_chunk_print(chunk *mychunk);
+
+char  gpi_jpeg_findff(int *location, chunk *picture);
+char  gpi_jpeg_findactivemarker(char *id, int *location, chunk *picture);
+char *gpi_jpeg_markername(int c);
+
+jpeg *gpi_jpeg_new        (void);
+void  gpi_jpeg_destroy    (jpeg *myjpeg);
+void  gpi_jpeg_add_marker (jpeg *myjpeg, chunk *picture, int start, int end);
+void  gpi_jpeg_add_chunk  (jpeg *myjpeg, chunk *source);
+void  gpi_jpeg_parse      (jpeg *myjpeg, chunk *picture);
+void  gpi_jpeg_print      (jpeg *myjpeg);
+
+chunk *gpi_jpeg_make_start   (void);
+chunk *gpi_jpeg_make_SOFC    (int width, int height,
+			     char vh1, char vh2, char vh3,
+			     char q1, char q2, char q3);
+chunk *gpi_jpeg_makeSsSeAhAl (int huffset1, int huffset2, int huffset3);
+
+void gpi_jpeg_print_quantization_table(jpeg_quantization_table *table);
+chunk *gpi_jpeg_make_quantization(jpeg_quantization_table *table, char number);
+jpeg_quantization_table *gpi_jpeg_quantization2table(chunk *qmarker);
+
+jpeg *gpi_jpeg_header(int width, int height,
+    char vh1, char vh2, char vh3,
+    char q1, char q2, char q3,
+    jpeg_quantization_table *quant1, jpeg_quantization_table *quant2,
+    char huffset1, char huffset2, char huffset3,
+    chunk *huff1, chunk *huff2, chunk *huff3, chunk *huff4);
+
+char gpi_jpeg_write(CameraFile *file, const char *name, jpeg *myjpeg);
+#endif