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info: start to use discoverer and improve the ui

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Organize the info pane as a table. Add mime type and duration fields to
container section.
This commit is contained in:
Stefan Sauer 2010-10-18 22:50:02 +03:00
parent 76fb0eafff
commit 80be4db45d
1 changed files with 84 additions and 14 deletions
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98
mediainfo/src/mi-info.vala
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@ -24,47 +24,89 @@ using Gst;
we need to update the vapi for yet unreleased gstreamer api:
cd vala/mediainfo/vapi
vala-gen-introspect gstreamer-pbutils-0.10 packages/gstreamer-pbutils-0.10 && ../vapigen/vapigen --vapidir . --library \
gstreamer-pbutils-0.10 packages/gstreamer-pbutils-0.10/gstreamer-pbutils-0.10.gi
vala-gen-introspect gstreamer-pbutils-0.10 packages/gstreamer-pbutils-0.10
vapigen --vapidir . --library gstreamer-pbutils-0.10 packages/gstreamer-pbutils-0.10/gstreamer-pbutils-0.10.gi
*/
public class MediaInfo.Info : VBox
{
private Label uri;
private Discoverer dc;
// ui components
private Label mime_type;
private Label duration;
private DrawingArea drawing_area;
// gstreamer objects
private Discoverer dc;
private Pipeline pb;
public Info ()
{
Label label;
Table table;
AttachOptions fill = AttachOptions.FILL;
AttachOptions fill_exp = AttachOptions.EXPAND|AttachOptions.FILL;
uint row = 0;
// configure the view
set_homogeneous (false);
// add widgets
// FIXME: handle aspect ration (AspectFrame.ratio)
// FIXME: handle aspect ratio (AspectFrame.ratio)
// FIXME: paint it black from the start
drawing_area = new DrawingArea ();
drawing_area.set_size_request (300, 150);
pack_start (drawing_area, true, true, 0);
// FIXME: some alignment issues with the strings
uri = new Label (null);
pack_start (uri, false, false, 0);
table = new Table (5, 2, false);
pack_start (table, false, false, 0);
label = new Label (null);
label.set_markup("<b>Container</b>");
pack_start (label, false, false, 0);
label.set_alignment (0.0f, 0.5f);
table.attach (label, 0, 2, row, row+1, fill_exp, 0, 0, 1);
row++;
label = new Label ("Mime-Type:");
label.set_alignment (1.0f, 0.5f);
table.attach (label, 0, 1, row, row+1, fill, 0, 0, 0);
mime_type = new Label (null);
mime_type.set_alignment (0.0f, 0.5f);
table.attach (mime_type, 1, 2, row, row+1, fill_exp, 0, 3, 1);
row++;
label = new Label ("Duration:");
label.set_alignment (1.0f, 0.5f);
table.attach (label, 0, 1, row, row+1, fill, 0, 0, 0);
duration = new Label (null);
duration.set_alignment (0.0f, 0.5f);
table.attach (duration, 1, 2, row, row+1, fill_exp, 0, 3, 1);
row++;
label = new Label (null);
label.set_markup("<b>Video Streams</b>");
label.set_alignment (0.0f, 0.5f);
table.attach (label, 0, 2, row, row+1, fill_exp, 0, 0, 1);
row++;
// TODO: add video stream info widgets
label = new Label (null);
label.set_markup("<b>Audio Streams</b>");
label.set_alignment (0.0f, 0.5f);
table.attach (label, 0, 2, row, row+1, fill_exp, 0, 0, 1);
row++;
// TODO: add audio stream info widgets
show_all ();
// set up the gstreamer components
try {
dc = new Discoverer ((ClockTime)(Gst.SECOND * 10));
} catch (Error e) {
debug ("Failed to create the discoverer: %s", e.message);
debug ("Failed to create the discoverer: %s: %s", e.domain.to_string (), e.message);
}
pb = ElementFactory.make ("playbin2", "player") as Pipeline;
@ -89,14 +131,38 @@ public class MediaInfo.Info : VBox
// stop previous playback
pb.set_state (State.NULL);
this.uri.set_text (uri);
// TODO: check if uri is a regular (local file)?
if (uri != null) {
DiscovererInfo info;
bool uncertain;
string mime_type = g_content_type_guess (uri, null, out uncertain);
if (uncertain) {
this.mime_type.set_markup (@"<i>$mime_type</i>");
} else {
this.mime_type.set_text (mime_type);
}
try {
info = dc.discover_uri (uri);
ClockTime dur = info.get_duration ();
string dur_str = "%u:%02u:%02u.%09u".printf (
(uint) (dur / (SECOND * 60 * 60)),
(uint) ((dur / (SECOND * 60)) % 60),
(uint) ((dur / SECOND) % 60),
(uint) ((dur) % SECOND));
this.duration.set_text (dur_str);
//stdout.printf ("Duration: %s\n", dur_str);
// TODO: get more info
// list = info.get_video_streams ();
// list = info.get_audio_streams ();
// list = info.get_container_streams ();
} catch (Error e) {
debug ("Failed to extract metadata from %s: %s", uri, e.message);
debug ("Failed to extract metadata from %s: %s: %s", uri, e.domain.to_string (), e.message);
}
// play file
@ -118,7 +184,11 @@ public class MediaInfo.Info : VBox
{
XOverlay xoverlay = message.src as XOverlay;
xoverlay.set_xwindow_id (Gdk.x11_drawable_get_xid (drawing_area.window));
if (message.src.get_class ().find_property ("force-aspect-ratio") != null) {
((GLib.Object)message.src).set_property ("force-aspect-ratio", true);
}
drawing_area.unset_flags(Gtk.WidgetFlags.DOUBLE_BUFFERED);
}
}