summaryrefslogtreecommitdiff
path: root/tests/test-yuv-upload.c
blob: 0edc928cbd20117e890767cd13f0585d79dd3eac (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
#include <string.h>

#include <clutter-gst/clutter-gst.h>

static gint   opt_framerate = 30;
static gchar *opt_fourcc    = "I420";

static GOptionEntry options[] =
{
  { "framerate",
    'f', 0,
    G_OPTION_ARG_INT,
    &opt_framerate,
    "Number of frames per second",
    NULL },
  { "fourcc",
    'o', 0,
    G_OPTION_ARG_STRING,
    &opt_fourcc,
    "Fourcc of the wanted YUV format",
    NULL },

  { NULL }
};

static guint32
parse_fourcc (const gchar *fourcc)
{
  if (strlen (fourcc) != 4)
    return 0;

  return GST_STR_FOURCC (fourcc);
}

void
size_change (ClutterTexture *texture,
             gfloat          width,
             gfloat          height,
             gpointer        user_data)
{
  ClutterActor *stage;
  gfloat new_x, new_y, new_width, new_height;
  gfloat stage_width, stage_height;

  stage = clutter_actor_get_stage (CLUTTER_ACTOR (texture));
  if (stage == NULL)
    return;

  clutter_actor_get_size (stage, &stage_width, &stage_height);

  new_height = (height * stage_width) / width;
  if (new_height <= stage_height)
    {
      new_width = stage_width;

      new_x = 0;
      new_y = (stage_height - new_height) / 2;
    }
  else
    {
      new_width  = (width * stage_height) / height;
      new_height = stage_height;

      new_x = (stage_width - new_width) / 2;
      new_y = 0;
    }

  clutter_actor_set_position (CLUTTER_ACTOR (texture), new_x, new_y);
  clutter_actor_set_size (CLUTTER_ACTOR (texture), new_width, new_height);
}

int
main (int argc, char *argv[])
{
  GOptionContext   *context;
  gboolean          result;
  ClutterActor     *stage;
  ClutterActor     *texture;
  GstPipeline      *pipeline;
  GstElement       *src;
  GstElement       *capsfilter;
  GstElement       *colorspace;
  GstElement       *sink;
  GstCaps          *caps;

  if (!g_thread_supported ())
    g_thread_init (NULL);

  context = g_option_context_new (" - test-colorspace options");
  g_option_context_add_group (context, gst_init_get_option_group ());
  g_option_context_add_group (context, clutter_get_option_group ());
  g_option_context_add_main_entries (context, options, NULL);
  g_option_context_parse (context, &argc, &argv, NULL);

  stage = clutter_stage_get_default ();
  clutter_actor_set_size (CLUTTER_ACTOR(stage), 320.0f, 240.0f);

  /* We need to set certain props on the target texture currently for
   * efficient/corrent playback onto the texture (which sucks a bit)
  */
  texture = g_object_new (CLUTTER_TYPE_TEXTURE,
                          "sync-size",       FALSE,
                          "disable-slicing", TRUE,
                          NULL);

  g_signal_connect (CLUTTER_TEXTURE (texture),
		    "size-change",
		    G_CALLBACK (size_change), NULL);

  /* Set up pipeline */
  pipeline = GST_PIPELINE(gst_pipeline_new (NULL));

  src = gst_element_factory_make ("videotestsrc", NULL);
  capsfilter = gst_element_factory_make ("capsfilter", NULL);
  colorspace = gst_element_factory_make ("ffmpegcolorspace", NULL);
  sink = clutter_gst_video_sink_new (CLUTTER_TEXTURE (texture));

  /* make videotestsrc spit the format we want */
  caps = gst_caps_new_simple ("video/x-raw-yuv",
         "format", GST_TYPE_FOURCC, parse_fourcc (opt_fourcc),
         "framerate", GST_TYPE_FRACTION, opt_framerate, 1,
         NULL);
  g_object_set (capsfilter, "caps", caps, NULL);

  g_printf ("%s: [caps] %s\n", __FILE__, gst_caps_to_string (caps));
  gst_bin_add_many (GST_BIN (pipeline), src, capsfilter, sink, NULL);
  result = gst_element_link_many (src, capsfilter, sink, NULL);
  if (result == FALSE)
      g_critical("Could not link elements");
  gst_element_set_state (GST_ELEMENT(pipeline), GST_STATE_PLAYING);

  clutter_group_add (CLUTTER_GROUP (stage), texture);
  /* clutter_actor_set_opacity (texture, 0x11); */
  clutter_actor_show_all (stage);

  clutter_main();

  return 0;
}