handle_keyboard not working well
Dudi.r
dudi017 at gmail.com
Tue Apr 8 23:31:58 PDT 2014
Hi!
I have code that play video and every time I press 'p' the pipeline moves to
PAUSED state. and 'o' to PLAYING state.
this is part of the program:
.....
io_stdin = g_io_channel_win32_new_fd (fileno (stdin));
g_io_add_watch (io_stdin, G_IO_IN, (GIOFunc)handle_keyboard, app);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
.....
static gboolean handle_keyboard (GIOChannel *source, GIOCondition cond,
CustomData *data) {
gchar *str = NULL;
if (g_io_channel_read_line (source, &str, NULL, NULL, NULL) !=
G_IO_STATUS_NORMAL) {
return TRUE;
}
switch (g_ascii_tolower (str[0]))
{
case 'p':
data->playing =FALSE;
gst_element_set_state (data->pipeline, GST_STATE_PAUSED);
g_print ("Setting state to %s\n", data->playing ? "PLAYING" :
"PAUSE");
break;
case 'o':
app->playing =TRUE;
gst_element_set_state (data->pipeline, GST_STATE_PLAYING);
g_print ("Setting state to %s\n", app->playing ? "PLAYING" :
"PAUSE");
break;
}
g_free (str);
return TRUE;
}
I don't know why, but when I press the keyboard (any button not just p and
o) is freezes before I press the enter button.
I tried to put a break point inside the "handle_keyboard" and when I press
any button, the video still get stuck and not getting the break point.
but if I press enter after that I pressed the button, the program get to the
break point (and it still stuck)
if I press 'o' (for PLAYING state) nothing happen.....
It works fine in 0.10 project but with 1.0 project, I get these problems.
I don't know how to add keyboard listener on gstreamer otherwise...
if someone know what to do it will be great!
Dudi.
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