/*
 *  test-decode.c - Test GstVaapiDecoder
 *
 *  Copyright (C) 2010-2011 Splitted-Desktop Systems
 *    Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
 *  Copyright (C) 2011-2013 Intel Corporation
 *    Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
 *
 *  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, write to the Free
 *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301 USA
 */

#include "gst/vaapi/sysdeps.h"
#include <string.h>
#include <gst/vaapi/gstvaapisurface.h>
#include "decoder.h"
#include "output.h"

/* Set to 1 to check display cache works (shared VA display) */
#define CHECK_DISPLAY_CACHE 1

static inline void pause(void)
{
    g_print("Press any key to continue...\n");
    getchar();
}

static gchar *g_codec_str;
static gboolean g_use_pixmap;

static GOptionEntry g_options[] = {
    { "codec", 'c',
      0,
      G_OPTION_ARG_STRING, &g_codec_str,
      "codec to test", NULL },
    { "pixmap", 0,
      0,
      G_OPTION_ARG_NONE, &g_use_pixmap,
      "use render-to-pixmap", NULL },
    { NULL, }
};

int
main(int argc, char *argv[])
{
    GstVaapiDisplay      *display, *display2;
    GstVaapiWindow       *window;
    GstVaapiPixmap       *pixmap = NULL;
    GstVaapiDecoder      *decoder;
    GstVaapiSurfaceProxy *proxy;
    GstVaapiSurface      *surface;
    const GstVaapiRectangle *crop_rect;

    static const guint win_width  = 640;
    static const guint win_height = 480;

    if (!video_output_init(&argc, argv, g_options))
        g_error("failed to initialize video output subsystem");

    g_print("Test decode\n");

    display = video_output_create_display(NULL);
    if (!display)
        g_error("could not create VA display");

    if (CHECK_DISPLAY_CACHE)
        display2 = video_output_create_display(NULL);
    else
        display2 = gst_vaapi_display_ref(display);
    if (!display2)
        g_error("could not create second VA display");

    window = video_output_create_window(display, win_width, win_height);
    if (!window)
        g_error("could not create window");

    decoder = decoder_new(display, g_codec_str);
    if (!decoder)
        g_error("could not create decoder");

    g_print("Decode %s sample frame\n", decoder_get_codec_name(decoder));

    if (!decoder_put_buffers(decoder))
        g_error("could not fill decoder with sample data");

    proxy = decoder_get_surface(decoder);
    if (!proxy)
        g_error("could not get decoded surface");

    surface = gst_vaapi_surface_proxy_get_surface(proxy);
    crop_rect = gst_vaapi_surface_proxy_get_crop_rect(proxy);

    gst_vaapi_window_show(window);

    if (g_use_pixmap) {
        guint width, height;

        if (crop_rect) {
            width  = crop_rect->width;
            height = crop_rect->height;
        }
        else
            gst_vaapi_surface_get_size(surface, &width, &height);

        pixmap = video_output_create_pixmap(display, GST_VIDEO_FORMAT_xRGB,
            width, height);
        if (!pixmap)
            g_error("could not create pixmap");

        if (!gst_vaapi_pixmap_put_surface(pixmap, surface, crop_rect,
                GST_VAAPI_PICTURE_STRUCTURE_FRAME))
            g_error("could not render to pixmap");

        if (!gst_vaapi_window_put_pixmap(window, pixmap, NULL, NULL))
            g_error("could not render pixmap");
    }
    else if (!gst_vaapi_window_put_surface(window, surface, crop_rect, NULL,
            GST_VAAPI_PICTURE_STRUCTURE_FRAME))
        g_error("could not render surface");

    pause();

    if (pixmap)
        gst_vaapi_pixmap_unref(pixmap);
    gst_vaapi_surface_proxy_unref(proxy);
    gst_vaapi_decoder_unref(decoder);
    gst_vaapi_window_unref(window);
    gst_vaapi_display_unref(display);
    gst_vaapi_display_unref(display2);
    g_free(g_codec_str);
    video_output_exit();
    return 0;
}