static gchar *
gst_stream_video_information_to_string (GstDiscovererStreamInfo * info,
gint depth)
{
GstDiscovererVideoInfo *video_info;
GString *s;
gchar *tmp;
int len = 500;
const GstTagList *tags;
g_return_val_if_fail (info != NULL, NULL);
s = g_string_sized_new (len);
gst_stream_information_to_string (info, s, depth);
video_info = (GstDiscovererVideoInfo *) info;
my_g_string_append_printf (s, depth, "Width: %u\n",
gst_discoverer_video_info_get_width (video_info));
my_g_string_append_printf (s, depth, "Height: %u\n",
gst_discoverer_video_info_get_height (video_info));
my_g_string_append_printf (s, depth, "Depth: %u\n",
gst_discoverer_video_info_get_depth (video_info));
my_g_string_append_printf (s, depth, "Frame rate: %u/%u\n",
gst_discoverer_video_info_get_framerate_num (video_info),
gst_discoverer_video_info_get_framerate_denom (video_info));
my_g_string_append_printf (s, depth, "Pixel aspect ratio: %u/%u\n",
gst_discoverer_video_info_get_par_num (video_info),
gst_discoverer_video_info_get_par_denom (video_info));
my_g_string_append_printf (s, depth, "Interlaced: %s\n",
gst_discoverer_video_info_is_interlaced (video_info) ? "true" : "false");
my_g_string_append_printf (s, depth, "Bitrate: %u\n",
gst_discoverer_video_info_get_bitrate (video_info));
my_g_string_append_printf (s, depth, "Max bitrate: %u\n",
gst_discoverer_video_info_get_max_bitrate (video_info));
my_g_string_append_printf (s, depth, "Tags:\n");
tags = gst_discoverer_stream_info_get_tags (info);
if (tags) {
tmp = gst_tag_list_to_string (tags);
my_g_string_append_printf (s, depth, " %s\n", tmp);
g_free (tmp);
} else {
my_g_string_append_printf (s, depth, " None\n");
}
if (verbose)
my_g_string_append_printf (s, depth, "\n");
return g_string_free (s, FALSE);
}
static GstCaps *
caps_from_video_stream_info (GstDiscovererStreamInfo *info)
{
GstCaps *temp = gst_discoverer_stream_info_get_caps (info);
GstCaps *caps = gst_caps_copy (temp);
const GstDiscovererVideoInfo *video_info =
GST_DISCOVERER_VIDEO_INFO (info);
const GstTagList *stream_tag_list;
guint n, d, data;
gboolean value;
gst_caps_unref (temp);
data = gst_discoverer_video_info_get_height (video_info);
if (data)
gst_caps_set_simple (caps, "height", G_TYPE_INT, data, NULL);
data = gst_discoverer_video_info_get_width (video_info);
if (data)
gst_caps_set_simple (caps, "width", G_TYPE_INT, data, NULL);
data = gst_discoverer_video_info_get_depth (video_info);
if (data)
gst_caps_set_simple (caps, "depth", G_TYPE_INT, data, NULL);
n = gst_discoverer_video_info_get_framerate_num (video_info);
d = gst_discoverer_video_info_get_framerate_denom (video_info);
if (n && d)
gst_caps_set_simple (caps,
"framerate",
GST_TYPE_FRACTION, n, d,
NULL);
n = gst_discoverer_video_info_get_par_num (video_info);
d = gst_discoverer_video_info_get_par_denom (video_info);
if (n && d)
gst_caps_set_simple (caps,
"pixel-aspect-ratio",
GST_TYPE_FRACTION, n, d,
NULL);
value = gst_discoverer_video_info_is_interlaced (video_info);
if (value)
gst_caps_set_simple
(caps, "interlaced", G_TYPE_BOOLEAN, value, NULL);
stream_tag_list = gst_discoverer_stream_info_get_tags (info);
if (stream_tag_list) {
guint bitrate;
if (gst_tag_list_get_uint (stream_tag_list, "bitrate", &bitrate))
gst_caps_set_simple
(caps, "bitrate", G_TYPE_INT, (int) bitrate, NULL);
if (gst_tag_list_get_uint (stream_tag_list,
"maximum-bitrate",
&bitrate))
gst_caps_set_simple (caps,
"maximum-bitrate",
G_TYPE_INT,
(int) bitrate,
NULL);
}
return caps;
}
