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info: handle album-art

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Decode and draw the album art into the video window.
This commit is contained in:
Stefan Sauer 2011-01-14 18:39:01 +02:00
parent 328c9e7aab
commit 605e217942
2 changed files with 71 additions and 18 deletions
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1
mediainfo/README
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@ -74,7 +74,6 @@ Properties:
- if there is a "language-code" in the tags (or subtitles?) use flag icons
- deluge installs some under: /usr/share/pyshared/deluge/data/mediainfo/pixmaps/flags/
- famfamfam-flag-png: locale/usr/share/flags/countries/
- handle album art in tag lists
- geo-tags: map-widget?, link to google-maps?
- artist: links to {last.fm,wikipedia}
- format dates nicely

76
mediainfo/src/mi-info.vala
View file

@ -58,6 +58,8 @@ public class MediaInfo.Info : VPaned
private uint cur_video_stream;
private uint num_audio_streams;
private uint cur_audio_stream;
// stream data
private Gdk.Pixbuf album_art = null;
private HashMap<string, string> resolutions;
private HashSet<string> tag_black_list;
@ -259,7 +261,9 @@ public class MediaInfo.Info : VPaned
bool res = true;
// stop previous playback
pb.set_state (State.NULL);
pb.set_state (State.READY);
album_art = null;
drawing_area.queue_draw();
if (uri != null) {
DiscovererInfo info;
@ -595,14 +599,46 @@ public class MediaInfo.Info : VPaned
{
// redraw if not playing and if there is no video
if (pb.current_state < State.PAUSED || !have_video) {
Gdk.Window w = widget.get_window();
Gtk.Allocation a;
widget.get_allocation(out a);
Cairo.Context cr = Gdk.cairo_create (w);
Cairo.Context cr = Gdk.cairo_create (widget.get_window());
cr.set_source_rgb (0, 0, 0);
cr.rectangle (0, 0, a.width, a.height);
cr.fill ();
if (album_art != null) {
int sw=album_art.get_width();
int sh=album_art.get_height();
double sr = (double)sw / (double)sh;
double dr = (double)a.width / (double)a.height;
double wr = (double)sw / (double)a.width;
double hr = (double)sh / (double)a.height;
int x,y,w,h;
// stdout.printf("s: %d x %d : %f -> d: %d x %d : %f\n",sw,sh,sr,a.width,a.height,dr);
if (sr > dr) {
w = a.width;
h = (int)(w / sr);
x = 0;
y = (a.height - h) / 2;
} else if (sr < dr) {
h = a.height;
w = (int)(h * sr);
x = (a.width - w) / 2;
y = 0;
} else {
w = a.width;
h = a.height;
x = 0;
y = 0;
}
// stdout.printf("r: %d x %d\n",w,h);
Gdk.Pixbuf pb = album_art.scale_simple(w,h,Gdk.InterpType.BILINEAR);
Gdk.cairo_set_source_pixbuf(cr,pb,x,y);
cr.rectangle (x, y, w, h);
cr.fill ();
}
}
return false;
}
@ -680,21 +716,39 @@ public class MediaInfo.Info : VPaned
if (fn.has_prefix("private-"))
continue;
// skip buffers (usualy images)
// TODO: decode images,
// - need to figure a way to return them
// - need to find a place where we show them
v = s.get_value (fn);
if (v.holds(typeof(Gst.Buffer)))
continue;
if (str.length > 0)
str += "\n";
// TODO: decode images:
/*
GInputStream is = g_memory_input_stream_new_from_data(GST_BUFFER_DATA(buf),GST_BUFFER_SIZE(buf,NULL);
GdkPixbuf pb = gdk_pixbuf_new_from_stream(is, NULL, NULL);
g_input_stream_close(is,NULL,NULL);
res = gdk_pixbuf_scale_simple(pb, w, h, GDK_INTERP_BILINEAR);
*/
// - need to figure a way to return them
// - where we show them -> in the drawing area
v = s.get_value (fn);
if (v.holds(typeof(Gst.Buffer))) {
Gst.Buffer buf = v.get_buffer();
Caps c = buf.get_caps();
try {
InputStream is = new MemoryInputStream.from_data (buf.data,buf.size,null);
album_art = new Gdk.Pixbuf.from_stream (is, null);
is.close();
} catch (Error e) {
debug ("Decoding album art failed: %s: %s", e.domain.to_string (), e.message);
}
// FIXME: having the actual resolution here would be nice
vstr = c.to_string();
} else {
vstr = v.serialize ().compress ();
if (vstr.has_prefix("http://") || vstr.has_prefix("https://")) {
vstr = "<a href=\"" + vstr + "\">" + vstr + "</a>";
}
}
str += fn + " = " + vstr;
}