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caracal

GTK wrapper for LibVLC. This library allows you to use libvlc from C code in a GTK interface with GTK widget representing the player.

http://code.google.com/p/libvlc-gtk/
svn checkout http://libvlc-gtk.googlecode.com/svn/trunk/ libvlc-gtk-read-only

This is the example application supplyed by libvlc-gtk
Note: You need a current stable vlc.

Code: (C)

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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8-*- */
#include "gtk-libvlc-media-player.h"

static void
on_window_destroy(GtkWindow *window, gpointer user_data)
{
gtk_main_quit();
}

static void
on_scale_value_changed(GtkRange *range, gpointer user_data)
{
GtkLibVLCMediaPlayer *vlc = (GtkLibVLCMediaPlayer*)user_data;
g_print("value-changed\n");

}

static void
on_button_play_clicked(GtkButton *button, gpointer user_data)
{
GtkLibVLCMediaPlayer *vlc = (GtkLibVLCMediaPlayer*)user_data;
g_print("play\n");
gtk_libvlc_media_player_play(vlc, NULL);
}

static void
on_button_stop_clicked(GtkButton *button, gpointer user_data)
{
GtkLibVLCMediaPlayer *vlc = (GtkLibVLCMediaPlayer*)user_data;
g_print("stop\n");
gtk_libvlc_media_player_stop(vlc);
}

static void
on_button_record_clicked(GtkButton *button, gpointer user_data)
{
GtkLibVLCMediaPlayer *vlc = (GtkLibVLCMediaPlayer*)user_data;
g_print("record\n");
// gchar *options[] = {":vout-filter=transform", ":transform-type=90", NULL};
gchar *options[] = {":sout=#duplicate{dst=display,dst=std{access=file,mux=ts,dst='./test.ts'}}", NULL};
gtk_libvlc_media_player_play(vlc, options);
}

static void
on_button_next_clicked(GtkButton *button, gpointer user_data)
{
GtkLibVLCMediaPlayer *vlc = (GtkLibVLCMediaPlayer*)user_data;
g_print("play next\n");
gtk_libvlc_media_player_play_next(vlc, NULL);
}

static void
on_button_value_changed (GtkScaleButton *button,
gdouble value, gpointer user_data)
{
GtkLibVLCMediaPlayer *vlc = (GtkLibVLCMediaPlayer*)user_data;
g_print("value-changed : %f\n", value);
gtk_libvlc_media_player_set_volume (vlc, value);
gtk_libvlc_media_player_get_volume(vlc);
}

static void
on_button_fullscreen_clicked(GtkButton *button, gpointer user_data)
{
GtkLibVLCMediaPlayer *vlc = (GtkLibVLCMediaPlayer*)user_data;
g_print("fullscreen\n");
gtk_libvlc_media_player_set_fullscreen(vlc, TRUE);
}

static void
on_button_destroy_clicked(GtkButton *button, gpointer user_data)
{
GtkLibVLCMediaPlayer *vlc = (GtkLibVLCMediaPlayer*)user_data;
g_print("destroy\n");
gtk_widget_destroy(GTK_WIDGET(vlc));
}

static void
on_row_displayed_playlist (GtkTreeViewColumn *col,
GtkCellRenderer *renderer, GtkTreeModel *model,
GtkTreeIter *iter, gpointer user_data)
{
GtkLibVLCMedia* media;
gtk_tree_model_get(model, iter, GTK_LIBVLC_MODEL_MEDIA_COLUMN, &media, -1);
g_object_set(renderer, "text", media->mrl, "visible", TRUE, NULL);
}

static void
on_row_activated (GtkTreeView *tree_view, GtkTreePath *path,
GtkTreeViewColumn *column, gpointer user_data)
{
GtkLibVLCMediaPlayer *vlc = (GtkLibVLCMediaPlayer*)user_data;
gtk_libvlc_media_player_play_media_at_path(vlc, path, NULL);
}

int main (int argc, char ** argv)
{
GtkWidget *window;
GtkWidget *hbox;

gtk_init(&argc, &argv);

window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "GtkVLCMediaPlayer widget");
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_window_set_default_size(GTK_WINDOW(window), 600, 400);

g_signal_connect(G_OBJECT(window), "destroy",
G_CALLBACK(on_window_destroy), NULL);

hbox = gtk_hbox_new(TRUE, 2);

GtkLibVLCInstance* instance;
const gchar* vlc_args[] = {
"-I dummy", /* Don't use any interface */
"--ignore-config", /* Don't use VLC's config */
"--extraintf=logger", //log anything
"-vvv" //be much more verbose then normal for debugging purpose
};
instance = gtk_libvlc_instance_new(vlc_args);
//instance = gtk_libvlc_instance_new(NULL);

// Create players
int i;
for(i=0; i<1; i++){
GtkWidget *vbox;
GtkWidget *vlc;
GtkWidget *hbox_button;
GtkWidget *button;
GtkWidget *treeview;
GtkWidget *hpaned;
GtkWidget *scale;

GtkTreeViewColumn *column;
GtkCellRenderer *renderer;

hpaned = gtk_hpaned_new ();
gtk_paned_set_position (GTK_PANED(hpaned), 400);

vbox = gtk_vbox_new(FALSE, 0);
gtk_paned_add1 (GTK_PANED(hpaned), vbox);

// Media player
vlc = gtk_libvlc_media_player_new(instance);
gtk_libvlc_media_player_set_volume (GTK_LIBVLC_MEDIA_PLAYER(vlc), 0.7);
gtk_box_pack_start (GTK_BOX(vbox), vlc, TRUE, TRUE, 2);

// HScale
hbox_button = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start (GTK_BOX(vbox), hbox_button, FALSE, TRUE, 0);

scale = gtk_hscale_new_with_range (0.0, 1.0, 0.1);
gtk_scale_set_draw_value (GTK_SCALE(scale), TRUE);
gtk_scale_set_value_pos (GTK_SCALE(scale), GTK_POS_RIGHT);
g_signal_connect(G_OBJECT(scale), "value-changed",
G_CALLBACK(on_scale_value_changed), vlc);
gtk_box_pack_start (GTK_BOX(hbox_button), scale, TRUE, TRUE, 0);

// Button bar
hbox_button = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start (GTK_BOX(vbox), hbox_button, FALSE, FALSE, 0);

// Play button
button = gtk_button_new();
gtk_button_set_image (GTK_BUTTON(button),
gtk_image_new_from_stock(GTK_STOCK_MEDIA_PLAY, GTK_ICON_SIZE_BUTTON));
gtk_box_pack_start (GTK_BOX(hbox_button), button, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(button), "clicked",
G_CALLBACK(on_button_play_clicked), vlc);

// Stop button
button = gtk_button_new();
gtk_button_set_image (GTK_BUTTON(button),
gtk_image_new_from_stock(GTK_STOCK_MEDIA_STOP, GTK_ICON_SIZE_BUTTON));
gtk_box_pack_start (GTK_BOX(hbox_button), button, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(button), "clicked",
G_CALLBACK(on_button_stop_clicked), vlc);

// Record button
button = gtk_button_new();
gtk_button_set_image (GTK_BUTTON(button),
gtk_image_new_from_stock(GTK_STOCK_MEDIA_RECORD, GTK_ICON_SIZE_BUTTON));
gtk_box_pack_start (GTK_BOX(hbox_button), button, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(button), "clicked",
G_CALLBACK(on_button_record_clicked), vlc);

// Media next button
button = gtk_button_new();
gtk_button_set_image (GTK_BUTTON(button),
gtk_image_new_from_stock(GTK_STOCK_MEDIA_NEXT, GTK_ICON_SIZE_BUTTON));
gtk_box_pack_start (GTK_BOX(hbox_button), button, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(button), "clicked",
G_CALLBACK(on_button_next_clicked), vlc);

// Volume button
button = gtk_volume_button_new ();
gdouble value = gtk_libvlc_media_player_get_volume(GTK_LIBVLC_MEDIA_PLAYER(vlc));
gtk_scale_button_set_value (GTK_SCALE_BUTTON(button), value);

gtk_box_pack_start (GTK_BOX(hbox_button), button, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(button), "value-changed",
G_CALLBACK(on_button_value_changed), vlc);

// Fullscreen button
button = gtk_button_new();
gtk_button_set_image (GTK_BUTTON(button),
gtk_image_new_from_stock(GTK_STOCK_FULLSCREEN, GTK_ICON_SIZE_BUTTON));
gtk_box_pack_start (GTK_BOX(hbox_button), button, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(button), "clicked",
G_CALLBACK(on_button_fullscreen_clicked), vlc);

// Destroy button
button = gtk_button_new_with_label("destroy");
gtk_box_pack_start (GTK_BOX(hbox_button), button, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(button), "clicked",
G_CALLBACK(on_button_destroy_clicked), vlc);

// Playlist
treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL (GTK_LIBVLC_MEDIA_PLAYER(vlc)->media_list));
column = gtk_tree_view_column_new();
gtk_tree_view_column_set_title (column, "Playlist");
renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start(column, renderer, FALSE);
gtk_tree_view_column_set_cell_data_func(column, renderer, on_row_displayed_playlist,
NULL, NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
g_signal_connect(G_OBJECT(treeview), "row-activated",
G_CALLBACK(on_row_activated), vlc);

GtkWidget *scrolled_window = gtk_scrolled_window_new (NULL, NULL);
//gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW(scrolled_window), treeview);
gtk_container_add(GTK_CONTAINER(scrolled_window), treeview);
gtk_paned_add2 (GTK_PANED(hpaned), scrolled_window);
//gtk_box_pack_start (GTK_BOX(hbox_player), treeview, TRUE, TRUE, 0);

gtk_box_pack_start (GTK_BOX(hbox), hpaned, TRUE, TRUE, 0);

// Populate the playlist
GtkLibVLCMedia *media;

media = gtk_libvlc_media_new("rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=678&flavour=sd");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=201&flavour=ld");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("mms://vipmms9.yacast.net/aptv_live03");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("mms://vipmms9.yacast.net/bfm_bfmtv");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("http://streaming.radio.funradio.fr:80/fun-1-44-96");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("http://viphttp.yacast.net/V4/radiofrance/franceinfo_bd.m3u");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("./playlist.m3u");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("v4l2://");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);

}

gtk_container_add(GTK_CONTAINER(window), hbox);

gtk_widget_show_all(window);

gtk_main();

g_object_unref(G_OBJECT(instance));

return 0;
}

nmanbamboo1980 · Familiar Face Joined: 18 Mar 2009 Posts: 32

Thank you very much.. this really works very well.

do you know how to get ur webcam feed and how did you manage to get the links for the video feed.

caracal · Posted: Sat Oct 24, 2009 2:27 pm Post subject:

Media List
----------------
media = gtk_libvlc_media_new("rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=678&flavour=sd");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=201&flavour=ld");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("mms://vipmms9.yacast.net/aptv_live03");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("mms://vipmms9.yacast.net/bfm_bfmtv");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("http://streaming.radio.funradio.fr:80/fun-1-44-96");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("http://viphttp.yacast.net/V4/radiofrance/franceinfo_bd.m3u");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);
media = gtk_libvlc_media_new("./playlist.m3u");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);

Web Camera
--------------------
media = gtk_libvlc_media_new("v4l2://");
gtk_libvlc_media_player_add_media(GTK_LIBVLC_MEDIA_PLAYER(vlc), media);
g_object_unref(media);

nmanbamboo1980 · Familiar Face Joined: 18 Mar 2009 Posts: 32

Iam Sorry my question was not clear.
What I meant was from where do you find such links on the web.
I have tried to search for live web feeds link, but they only open a web page with the video already embedded.

Thanks for the tip on the web cam.

Any Idea how you select the audio device, Iam using Arch Linux and have two audio devices . 1- onboard and 2- a usb sound device.
Both of the devices show up if I run $aplay -l from the command line.
In my case it plays through the onboard sound card.
I want to set it such that for this GTK sample it uses the usb sound device.

caracal · Posted: Mon Feb 08, 2010 9:18 pm Post subject:

shutffl · Joined: 14 Mar 2010 Posts: 3

Wow!! Nice example.. Can you rewrite it for non-block main window while playing??

Edit: Sorry, block only when play radio (playlists not tested).. Video streams works..

ginda · Familiar Face Joined: 11 Feb 2010 Posts: 28

I am quite new to GTK+ and C but has used LInux for a few years now. I have now managed to install libvlc-gtk and can see .c .h files in /usr/include and libraries in /usr/lib

But when i try to compile the code you posted in your thread i get the following errors:

[me@localhost vlctest]$ gcc -o myapp myapp.c `pkg-config --libs --cflags gtk+-2.0`
Package libvlc-gtk was not found in the pkg-config search path.
Perhaps you should add the directory containing `libvlc-gtk.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libvlc-gtk' found
myapp.c:2:37: error: gtk-libvlc-media-player.h: No such file or directory
myapp.c:3:21: error: gtk/gtk.h: No such file or directory
myapp.c:9: error: expected â)â before â*â token
myapp.c:15: error: expected â)â before â*â token
myapp.c:23: error: expected â)â before â*â token
myapp.c:31: error: expected â)â before â*â token
myapp.c:39: error: expected â)â before â*â token
myapp.c:49: error: expected â)â before â*â token
myapp.c:57: error: expected â)â before â*â token
myapp.c:67: error: expected â)â before â*â token
myapp.c:75: error: expected â)â before â*â token
myapp.c:83: error: expected â)â before â*â token
myapp.c:93: error: expected â)â before â*â token
myapp.c: In function âmainâ:
myapp.c:102: error: âGtkWidgetâ undeclared (first use in this function)
myapp.c:102: error: (Each undeclared identifier is reported only once
myapp.c:102: error: for each function it appears in.)
myapp.c:102: error: âwindowâ undeclared (first use in this function)
myapp.c:103: error: âhboxâ undeclared (first use in this function)
myapp.c:107: error: âGTK_WINDOW_TOPLEVELâ undeclared (first use in this function)
myapp.c:109: error: âGTK_WIN_POS_CENTERâ undeclared (first use in this function)
myapp.c:113: error: âon_window_destroyâ undeclared (first use in this function)
myapp.c:115: error: âTRUEâ undeclared (first use in this function)
myapp.c:117: error: âGtkLibVLCInstanceâ undeclared (first use in this function)
myapp.c:117: error: âinstanceâ undeclared (first use in this function)
myapp.c:118: error: expected â=â, â,â, â;â, âasmâ or â__attribute__â before â*â token
myapp.c:118: error: âvlc_argsâ undeclared (first use in this function)
myapp.c:118: error: expected expression before â]â token
myapp.c:130: error: âvboxâ undeclared (first use in this function)
myapp.c:131: error: âvlcâ undeclared (first use in this function)
myapp.c:132: error: âhbox_buttonâ undeclared (first use in this function)
myapp.c:133: error: âbuttonâ undeclared (first use in this function)
myapp.c:134: error: âtreeviewâ undeclared (first use in this function)
myapp.c:135: error: âhpanedâ undeclared (first use in this function)
myapp.c:136: error: âscaleâ undeclared (first use in this function)
myapp.c:138: error: âGtkTreeViewColumnâ undeclared (first use in this function)
myapp.c:138: error: âcolumnâ undeclared (first use in this function)
myapp.c:139: error: âGtkCellRendererâ undeclared (first use in this function)
myapp.c:139: error: ârendererâ undeclared (first use in this function)
myapp.c:144: error: âFALSEâ undeclared (first use in this function)
myapp.c:158: error: âGTK_POS_RIGHTâ undeclared (first use in this function)
myapp.c:160: error: âon_scale_value_changedâ undeclared (first use in this function)
myapp.c:170: error: âGTK_STOCK_MEDIA_PLAYâ undeclared (first use in this function)
myapp.c:170: error: âGTK_ICON_SIZE_BUTTONâ undeclared (first use in this function)
myapp.c:173: error: âon_button_play_clickedâ undeclared (first use in this function)
myapp.c:178: error: âGTK_STOCK_MEDIA_STOPâ undeclared (first use in this function)
myapp.c:181: error: âon_button_stop_clickedâ undeclared (first use in this function)
myapp.c:186: error: âGTK_STOCK_MEDIA_RECORDâ undeclared (first use in this function)
myapp.c:189: error: âon_button_record_clickedâ undeclared (first use in this function)
myapp.c:194: error: âGTK_STOCK_MEDIA_NEXTâ undeclared (first use in this function)
myapp.c:197: error: âon_button_next_clickedâ undeclared (first use in this function)
myapp.c:201: error: âgdoubleâ undeclared (first use in this function)
myapp.c:201: error: expected â;â before âvalueâ
myapp.c:202: error: âvalueâ undeclared (first use in this function)
myapp.c:206: error: âon_button_value_changedâ undeclared (first use in this function)
myapp.c:211: error: âGTK_STOCK_FULLSCREENâ undeclared (first use in this function)
myapp.c:214: error: âon_button_fullscreen_clickedâ undeclared (first use in this function)
myapp.c:220: error: âon_button_destroy_clickedâ undeclared (first use in this function)
myapp.c:223: error: invalid type argument of â->â (have âintâ)
myapp.c:228: error: âon_row_displayed_playlistâ undeclared (first use in this function)
myapp.c:232: error: âon_row_activatedâ undeclared (first use in this function)
myapp.c:234: error: âscrolled_windowâ undeclared (first use in this function)
myapp.c:244: error: âGtkLibVLCMediaâ undeclared (first use in this function)
myapp.c:244: error: âmediaâ undeclared (first use in this function)

So sorry for the length of above error text. Could you help me solve this issue?

shutffl · Joined: 14 Mar 2010 Posts: 3

gcc cannot find gtk.h.. Try pkg-config gtk+-2.0 --libs, for ex.. If gtk in system then you see result string.. As for me I try this example and it`s works.. Check your system and libraries.. And check for pkg-config.. I use ArchLinux and there pkg-config doesn`t install with gtk+glib..

upd..
I use

Code: (Plaintext)
1	svn checkout http://libvlc-gtk.googlecode.com/svn/trunk/ libvlc-gtk-read-only

for tests..

ginda · Familiar Face Joined: 11 Feb 2010 Posts: 28

Hi all

I found that i was using wrong compiling command. I used below and it worked fine.

gcc -g -o myapp `pkg-config --cflags --libs gtk+-2.0 gthread-2.0 libvlc` -I/usr/include/libvlc-gtk/ -lvlc-gtk myapp.c

ginda · Familiar Face Joined: 11 Feb 2010 Posts: 28

Hi all

The libvlc-gtk is very useful and helps get a gtk based video player steup very quickly.

Is there a way to achieve this with using libvlc-gtk and just use libvlc directly, if some one could provide a simple example i would really appriciate it.

Kind regards

ramesh · GTK+ Guru Joined: 16 Nov 2006 Posts: 260 Location: INDIA

[quote="caracal[/quote]

Hi
can libvlc-gtk is available windows machine?

any help it should be appreciable

mkkadamb · Joined: 18 May 2010 Posts: 2

Hi,
I'm new to gtk programming and this was my I'm using Eclipse to compile and run the code. The code compiles without any errors, but when I try to run the program it gives an error saying that Could not load shared object: gtk-libvlc.so.0 is not found. No file or directory found.

Can someone please help me?

Thanks.
Murali.

mkkadamb · Joined: 18 May 2010 Posts: 2

djtarki · Familiar Face Joined: 21 Jan 2010 Posts: 5

Thanks very much caracal. It worked like a charm under Ubuntu 10.04 64 bits and using Eclipse Galileo.

Regards.