/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
   Copyright (C) 2010 Red Hat, Inc.

   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 2.1 of the License, or (at your option) any later version.

   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.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CHANNEL_DISPLAY_PRIV_H_
# define CHANNEL_DISPLAY_PRIV_H_

#include <pixman.h>
#include <jpeglib.h>

/* spice/common */
#include "canvas_base.h"
#include "canvas_utils.h"
#include "sw_canvas.h"
#include "ring.h"
#include "quic.h"
#include "rop3.h"

G_BEGIN_DECLS

#define DISPLAY_PIXMAP_CACHE (1024 * 1024 * 32)
#define GLZ_WINDOW_SIZE      (1024 * 1024 * 16)

typedef struct display_surface {
    RingItem                    link;
    int                         surface_id;
    bool                        primary;
    enum SpiceSurfaceFmt        format;
    int                         width, height, stride, size;
    int                         shmid;
    uint8_t                     *data;
    SpiceCanvas                 *canvas;
    SpiceGlzDecoder             *glz_decoder;
    SpiceZlibDecoder            *zlib_decoder;
    SpiceJpegDecoder            *jpeg_decoder;
} display_surface;

typedef struct display_stream {
    spice_msg_in                *msg_create;
    spice_msg_in                *msg_clip;
    spice_msg_in                *msg_data;

    /* from messages */
    display_surface             *surface;
    SpiceClip                   *clip;
    QRegion                     region;
    int                         have_region;
    int                         codec;

    /* mjpeg decoder */
    struct jpeg_source_mgr         mjpeg_src;
    struct jpeg_decompress_struct  mjpeg_cinfo;
    struct jpeg_error_mgr          mjpeg_jerr;

    uint8_t                     *out_frame;
    GQueue                      *msgq;
    guint                       timeout;
    SpiceChannel                *channel;
} display_stream;

/* channel-display-mjpeg.c */
void stream_mjpeg_init(display_stream *st);
void stream_mjpeg_data(display_stream *st);
void stream_mjpeg_cleanup(display_stream *st);

G_END_DECLS

#endif // CHANNEL_DISPLAY_PRIV_H_