1 files changed, 125 insertions, 0 deletions
diff --git a/test/test_vevent.c b/test/test_vevent.c
new file mode 100644
index 0000000..f61143e
--- /dev/null
+++ b/test/test_vevent.c
@@ -0,0 +1,125 @@
+/* 
+ * test_vevent.c - Test VIDEO_GET_EVENT and poll(9 for video events
+ *
+ * Copyright (C) 2003 convergence GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#include <sys/ioctl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/poll.h>
+#include <fcntl.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <linux/dvb/video.h>
+
+
+int videoGetSize(int fd, char *arg)
+{
+	video_size_t size;
+
+	if (arg)
+		return -1;
+	if (ioctl(fd, VIDEO_GET_SIZE, &size) == -1){
+		perror("VIDEO_GET_SIZE");
+		return 0;
+	}
+
+	printf("Video Size: %ux%u ", size.w, size.h);
+	switch (size.aspect_ratio) {
+	case VIDEO_FORMAT_4_3:
+		printf("4:3 (%d)\n", size.aspect_ratio);
+		break;
+	case VIDEO_FORMAT_16_9:
+		printf("16:9 (%d)\n", size.aspect_ratio);
+		break;
+	case VIDEO_FORMAT_221_1:
+		printf("2.21:1 (%d)\n", size.aspect_ratio);
+		break;
+	default:
+		printf("unknown aspect ratio (%d)\n", size.aspect_ratio);
+		break;
+	}
+	return 0;
+}
+
+int main(void)
+{
+	int vfd, rc;
+	char *videodev = "/dev/dvb/adapter0/video0";
+	struct pollfd pfd[1];
+	struct video_event event;
+
+	if (getenv("VIDEO"))
+		videodev = getenv("VIDEO");
+
+	printf("using video device '%s'\n", videodev);
+
+	if((vfd = open(videodev, O_RDONLY | O_NONBLOCK)) < 0) {
+		perror("open video device");
+		return 1;
+	}
+
+	videoGetSize(vfd, NULL);
+
+	pfd[0].fd = vfd;
+	pfd[0].events = POLLPRI;
+
+	for (;;) {
+		rc = poll(pfd, 1, -1);
+		if (rc == -1) {
+			perror("poll");
+			return -1;
+		}
+		printf("poll events: %#x\n", pfd[0].revents);
+		if (pfd[0].revents & POLLPRI) {
+			rc = ioctl(vfd, VIDEO_GET_EVENT, &event);
+			if (rc == -1) {
+				perror("VIDEO_GET_EVENT");
+				return -1;
+			}
+			printf("video event %d\n", event.type);
+			if (event.type == VIDEO_EVENT_SIZE_CHANGED) {
+				printf("  VIDEO_EVENT_SIZE_CHANGED %ux%u ",
+						event.u.size.w, event.u.size.h);
+				switch (event.u.size.aspect_ratio) {
+				case VIDEO_FORMAT_4_3:
+					printf("4:3 (%d)\n", event.u.size.aspect_ratio);
+					break;
+				case VIDEO_FORMAT_16_9:
+					printf("16:9 (%d)\n", event.u.size.aspect_ratio);
+					break;
+				case VIDEO_FORMAT_221_1:
+					printf("2.21:1 (%d)\n", event.u.size.aspect_ratio);
+					break;
+				default:
+					printf("unknown aspect ratio (%d)\n",
+							event.u.size.aspect_ratio);
+					break;
+				}
+			}
+		}
+	}
+
+	close(vfd);
+	return 0;
+}
+