mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-04 23:46:43 +00:00
128 lines
3.6 KiB
Objective-C
128 lines
3.6 KiB
Objective-C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <gst/gst.h>
|
|
|
|
#include <Cocoa/Cocoa.h>
|
|
#include <QuartzCore/QuartzCore.h>
|
|
#include <CoreFoundation/CoreFoundation.h>
|
|
#include <CoreMedia/CoreMedia.h>
|
|
|
|
#if MAC_OS_X_VERSION_MAX_ALLOWED < 101200
|
|
#define NSWindowStyleMaskBorderless NSBorderlessWindowMask
|
|
#endif
|
|
|
|
static NSRunLoop *loop;
|
|
static int quit = 0;
|
|
|
|
static void
|
|
end_stream_cb(GstBus* bus, GstMessage* message, GstElement* pipeline)
|
|
{
|
|
switch (GST_MESSAGE_TYPE (message))
|
|
{
|
|
case GST_MESSAGE_EOS:
|
|
g_print ("End of stream\n");
|
|
|
|
g_atomic_int_set (&quit, 1);;
|
|
CFRunLoopStop ([loop getCFRunLoop]);
|
|
break;
|
|
case GST_MESSAGE_ERROR:
|
|
{
|
|
gchar *debug = NULL;
|
|
GError *err = NULL;
|
|
|
|
gst_message_parse_error (message, &err, &debug);
|
|
|
|
g_print ("Error: %s\n", err->message);
|
|
g_error_free (err);
|
|
|
|
if (debug)
|
|
{
|
|
g_print ("Debug details: %s\n", debug);
|
|
g_free (debug);
|
|
}
|
|
|
|
g_atomic_int_set (&quit, 1);;
|
|
CFRunLoopStop ([loop getCFRunLoop]);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
gint main (gint argc, gchar *argv[])
|
|
{
|
|
CALayer *layer;
|
|
loop = [NSRunLoop currentRunLoop];
|
|
|
|
gst_init (&argc, &argv);
|
|
|
|
[NSApplication sharedApplication];
|
|
|
|
GstElement* pipeline = gst_pipeline_new ("pipeline");
|
|
GstElement* videosrc = gst_element_factory_make ("videotestsrc", NULL);
|
|
GstElement* videosink = gst_element_factory_make ("avsamplebufferlayersink", NULL);
|
|
GstCaps *caps = gst_caps_from_string ("video/x-raw,format=UYVY");
|
|
|
|
gst_bin_add_many (GST_BIN (pipeline), videosrc, videosink, NULL);
|
|
|
|
gboolean link_ok = gst_element_link_filtered (videosrc, videosink, caps);
|
|
gst_caps_unref (caps);
|
|
if (!link_ok) {
|
|
g_critical ("Failed to link an element!\n") ;
|
|
return -1;
|
|
}
|
|
|
|
g_object_set (videosrc, "num-buffers", 500, NULL);
|
|
|
|
GstBus* bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
|
|
|
|
gst_element_set_state (pipeline, GST_STATE_READY);
|
|
gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
|
|
|
|
g_object_get (videosink, "layer", &layer, NULL);
|
|
|
|
NSWindow *window = [[NSWindow alloc] initWithContentRect:NSMakeRect (0, 0, 320, 240)
|
|
styleMask:NSWindowStyleMaskBorderless backing:NSBackingStoreBuffered defer:NO];
|
|
[window setOpaque:NO];
|
|
[window.contentView setWantsLayer:YES];
|
|
|
|
NSView *view = [window.contentView superview];
|
|
[view setLayer:layer];
|
|
|
|
gst_element_set_state(pipeline, GST_STATE_PLAYING);
|
|
|
|
[window orderFront:window];
|
|
|
|
while (!g_atomic_int_get (&quit) && [loop runMode:NSDefaultRunLoopMode
|
|
beforeDate:[NSDate distantPast]]) {
|
|
GstMessage *msg;
|
|
while ((msg = gst_bus_timed_pop (bus, 1 * GST_MSECOND)))
|
|
end_stream_cb (bus, msg, pipeline);
|
|
}
|
|
|
|
gst_element_set_state (pipeline, GST_STATE_NULL);
|
|
gst_object_unref (bus);
|
|
gst_object_unref (pipeline);
|
|
|
|
return 0;
|
|
}
|
|
|