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diff --git a/server/jpeg-encoder.h b/server/jpeg-encoder.h
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+/*
+   Copyright (C) 2009 Red Hat, Inc.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+
+       * Redistributions of source code must retain the above copyright
+         notice, this list of conditions and the following disclaimer.
+       * Redistributions in binary form must reproduce the above copyright
+         notice, this list of conditions and the following disclaimer in
+         the documentation and/or other materials provided with the
+         distribution.
+       * Neither the name of the copyright holder nor the names of its
+         contributors may be used to endorse or promote products derived
+         from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
+   IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+   TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+   PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+   HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef JPEG_ENCODER_H_
+#define JPEG_ENCODER_H_
+
+#include <spice/types.h>
+#include <spice/macros.h>
+
+SPICE_BEGIN_DECLS
+
+typedef enum {
+    JPEG_IMAGE_TYPE_INVALID,
+    JPEG_IMAGE_TYPE_RGB16,
+    /* in byte per color types, the notation is according to the order of the
+       colors in the memory */
+    JPEG_IMAGE_TYPE_BGR24,
+    JPEG_IMAGE_TYPE_BGRX32,
+} JpegEncoderImageType;
+
+typedef struct JpegEncoderContext JpegEncoderContext;
+typedef struct JpegEncoderUsrContext JpegEncoderUsrContext;
+
+struct JpegEncoderUsrContext {
+    int (*more_space)(JpegEncoderUsrContext *usr, uint8_t **io_ptr);
+    int (*more_lines)(JpegEncoderUsrContext *usr, uint8_t **lines);
+};
+
+JpegEncoderContext* jpeg_encoder_create(JpegEncoderUsrContext *usr);
+void jpeg_encoder_destroy(JpegEncoderContext *encoder);
+
+/* returns the total size of the encoded data. Images must be supplied from the
+   top line to the bottom */
+int jpeg_encode(JpegEncoderContext *enc, int quality, JpegEncoderImageType type,
+                int width, int height, uint8_t *lines, unsigned int num_lines, int stride,
+                uint8_t *io_ptr, unsigned int num_io_bytes);
+
+SPICE_END_DECLS
+
+#endif /* JPEG_ENCODER_H_ */