static gchar *
gst_stream_subtitle_information_to_string (GstDiscovererStreamInfo * info,
guint depth)
{
GstDiscovererSubtitleInfo *subtitle_info;
GString *s;
const gchar *ctmp;
int len = 400;
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);
subtitle_info = (GstDiscovererSubtitleInfo *) info;
ctmp = gst_discoverer_subtitle_info_get_language (subtitle_info);
my_g_string_append_printf (s, depth, "Language: %s\n",
ctmp ? ctmp : "<unknown>");
tags = gst_discoverer_stream_info_get_tags (info);
print_tags_topology (depth, tags);
return g_string_free (s, FALSE);
}
/* Print information regarding a stream */
void print_stream_info (GstDiscovererStreamInfo *info, gint depth) {
gchar *desc = NULL;
GstCaps *caps;
const GstTagList *tags;
caps = gst_discoverer_stream_info_get_caps (info);
if (caps) {
if (gst_caps_is_fixed (caps))
desc = gst_pb_utils_get_codec_description (caps);
else
desc = gst_caps_to_string (caps);
gst_caps_unref (caps);
}
g_print ("%*s%s: %s\n", 2 * depth, " ", gst_discoverer_stream_info_get_stream_type_nick (info), (desc ? desc : ""));
if (desc) {
g_free (desc);
desc = NULL;
}
tags = gst_discoverer_stream_info_get_tags (info);
if (tags) {
g_print ("%*sTags:\n", 2 * (depth + 1), " ");
gst_tag_list_foreach (tags, print_tag_foreach, GINT_TO_POINTER (depth + 2));
}
}
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 gchar *
gst_stream_subtitle_information_to_string (GstDiscovererStreamInfo * info,
gint depth)
{
GstDiscovererSubtitleInfo *subtitle_info;
GString *s;
gchar *tmp;
const gchar *ctmp;
int len = 400;
const GstTagList *tags;
GstCaps *caps;
g_return_val_if_fail (info != NULL, NULL);
s = g_string_sized_new (len);
my_g_string_append_printf (s, depth, "Codec:\n");
caps = gst_discoverer_stream_info_get_caps (info);
tmp = gst_caps_to_string (caps);
gst_caps_unref (caps);
my_g_string_append_printf (s, depth, " %s\n", tmp);
g_free (tmp);
my_g_string_append_printf (s, depth, "Additional info:\n");
if (gst_discoverer_stream_info_get_misc (info)) {
tmp = gst_structure_to_string (gst_discoverer_stream_info_get_misc (info));
my_g_string_append_printf (s, depth, " %s\n", tmp);
g_free (tmp);
} else {
my_g_string_append_printf (s, depth, " None\n");
}
subtitle_info = (GstDiscovererSubtitleInfo *) info;
ctmp = gst_discoverer_subtitle_info_get_language (subtitle_info);
my_g_string_append_printf (s, depth, "Language: %s\n",
ctmp ? ctmp : "<unknown>");
my_g_string_append_printf (s, depth, "Tags:\n");
tags = gst_discoverer_stream_info_get_tags (info);
if (tags) {
tmp = gst_structure_to_string ((GstStructure *) 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);
}
GUPnPDLNAFractionValue
gupnp_dlna_gst_get_fraction_value (GstCaps* caps,
GstDiscovererStreamInfo *stream,
GstDiscovererInfo *info,
const gchar *name)
{
GUPnPDLNAFractionValue value = GUPNP_DLNA_FRACTION_VALUE_UNSET;
if (caps != NULL) {
guint caps_size = gst_caps_get_size (caps);
guint iter;
for (iter = 0; iter < caps_size; ++iter) {
const GstStructure *st = gst_caps_get_structure (caps,
iter);
value = get_fraction_value_from_structure (st, name);
if (value.state == GUPNP_DLNA_VALUE_STATE_SET)
return value;
}
}
if (stream != NULL) {
const GstStructure *st =
gst_discoverer_stream_info_get_misc (stream);
value = get_fraction_value_from_structure (st, name);
if (value.state == GUPNP_DLNA_VALUE_STATE_SET)
return value;
}
if (info != NULL) {
const GstStructure *st = gst_discoverer_info_get_misc (info);
value = get_fraction_value_from_structure (st, name);
if (value.state == GUPNP_DLNA_VALUE_STATE_SET)
return value;
}
if (stream != NULL) {
const GstTagList *tags =
gst_discoverer_stream_info_get_tags (stream);
value = get_fraction_value_from_tag_list (tags, name);
if (value.state == GUPNP_DLNA_VALUE_STATE_SET)
return value;
}
return value;
}
static gchar *
gst_stream_audio_information_to_string (GstDiscovererStreamInfo * info,
gint depth)
{
GstDiscovererAudioInfo *audio_info;
GString *s;
gchar *tmp;
const gchar *ctmp;
int len = 400;
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);
audio_info = (GstDiscovererAudioInfo *) info;
ctmp = gst_discoverer_audio_info_get_language (audio_info);
my_g_string_append_printf (s, depth, "Language: %s\n",
ctmp ? ctmp : "<unknown>");
my_g_string_append_printf (s, depth, "Channels: %u\n",
gst_discoverer_audio_info_get_channels (audio_info));
my_g_string_append_printf (s, depth, "Sample rate: %u\n",
gst_discoverer_audio_info_get_sample_rate (audio_info));
my_g_string_append_printf (s, depth, "Depth: %u\n",
gst_discoverer_audio_info_get_depth (audio_info));
my_g_string_append_printf (s, depth, "Bitrate: %u\n",
gst_discoverer_audio_info_get_bitrate (audio_info));
my_g_string_append_printf (s, depth, "Max bitrate: %u\n",
gst_discoverer_audio_info_get_max_bitrate (audio_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 gchar *
gst_stream_audio_information_to_string (GstDiscovererStreamInfo * info,
guint depth)
{
GstDiscovererAudioInfo *audio_info;
GString *s;
const gchar *ctmp;
int len = 400;
const GstTagList *tags;
gchar *channel_positions;
g_return_val_if_fail (info != NULL, NULL);
s = g_string_sized_new (len);
gst_stream_information_to_string (info, s, depth);
audio_info = (GstDiscovererAudioInfo *) info;
ctmp = gst_discoverer_audio_info_get_language (audio_info);
my_g_string_append_printf (s, depth, "Language: %s\n",
ctmp ? ctmp : "<unknown>");
channel_positions = format_channel_mask (audio_info);
my_g_string_append_printf (s, depth, "Channels: %u (%s)\n",
gst_discoverer_audio_info_get_channels (audio_info), channel_positions);
g_free (channel_positions);
my_g_string_append_printf (s, depth, "Sample rate: %u\n",
gst_discoverer_audio_info_get_sample_rate (audio_info));
my_g_string_append_printf (s, depth, "Depth: %u\n",
gst_discoverer_audio_info_get_depth (audio_info));
my_g_string_append_printf (s, depth, "Bitrate: %u\n",
gst_discoverer_audio_info_get_bitrate (audio_info));
my_g_string_append_printf (s, depth, "Max bitrate: %u\n",
gst_discoverer_audio_info_get_max_bitrate (audio_info));
tags = gst_discoverer_stream_info_get_tags (info);
print_tags_topology (depth, tags);
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;
}
