app-misc/utouch-evemu/files/1.0.5-play_timestamp.patch

diff --git a/include/evemu.h b/include/evemu.h
index 1f55d5c..e4ce667 100644
--- a/include/evemu.h
+++ b/include/evemu.h
@@ -285,6 +285,7 @@ int evemu_record(FILE *fp, int fd, int ms);
  * evemu_play() - replay events from file to kernel device in realtime
  * @fp: file pointer to read the events from
  * @fd: file descriptor of kernel device to write to
+ * @fp_time: file descriptor for keeping playback timing information
  *
  * Contiuously reads events from the file and writes them to the
  * kernel device, in realtime. The function terminates when end of
@@ -292,7 +293,7 @@ int evemu_record(FILE *fp, int fd, int ms);
  *
  * Returns zero if successful, negative error otherwise.
  */
-int evemu_play(FILE *fp, int fd);
+int evemu_play(FILE *fp, int fd, FILE *fp_time);
 
 /**
  * evemu_create() - create a kernel device from the evemu configuration
diff --git a/src/Makefile.in b/src/Makefile.in
index 8468f02..6378196 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -70,7 +70,7 @@ am__base_list = \
 am__installdirs = "$(DESTDIR)$(libdir)" \
 	"$(DESTDIR)$(libutouch_evemuincludedir)"
 LTLIBRARIES = $(lib_LTLIBRARIES)
-libutouch_evemu_la_LIBADD =
+libutouch_evemu_la_LIBADD = -lrt
 am_libutouch_evemu_la_OBJECTS = evemu.lo
 libutouch_evemu_la_OBJECTS = $(am_libutouch_evemu_la_OBJECTS)
 libutouch_evemu_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
diff --git a/src/evemu.c b/src/evemu.c
index df6b250..02377f1 100644
--- a/src/evemu.c
+++ b/src/evemu.c
@@ -49,6 +49,8 @@
 #include <poll.h>
 #include <ctype.h>
 #include <unistd.h>
+#include <sys/time.h>
+#include <time.h>
 
 #ifndef UI_SET_PROPBIT
 #define UI_SET_PROPBIT		_IOW(UINPUT_IOCTL_BASE, 110, int)
@@ -376,15 +378,25 @@ int evemu_read_event_realtime(FILE *fp, struct input_event *ev,
 	return ret;
 }
 
-int evemu_play(FILE *fp, int fd)
+int evemu_play(FILE *fp, int fd, FILE *fp_time)
 {
 	struct input_event ev;
 	struct timeval evtime;
+	struct timespec curr_tp;
 	int ret;
+	char *time_format = "E: %lu.%06u %04x %04x %-4d -- playback %lu.%09u\n";
 
 	memset(&evtime, 0, sizeof(evtime));
-	while (evemu_read_event_realtime(fp, &ev, &evtime) > 0)
+	while (evemu_read_event_realtime(fp, &ev, &evtime) > 0) {
+		if (fp_time != NULL) {
+			clock_gettime(CLOCK_MONOTONIC, &curr_tp);
+			fprintf(fp_time, time_format,
+				ev.time.tv_sec, ev.time.tv_usec,
+				ev.type, ev.code, ev.value,
+				curr_tp.tv_sec, curr_tp.tv_nsec);
+		}
 		SYSCALL(ret = write(fd, &ev, sizeof(ev)));
+	}
 
 	return 0;
 }
diff --git a/tools/evemu-play.c b/tools/evemu-play.c
index 7b9b777..f66275e 100644
--- a/tools/evemu-play.c
+++ b/tools/evemu-play.c
@@ -49,8 +49,9 @@
 int main(int argc, char *argv[])
 {
 	int fd;
-	if (argc != 2) {
-		fprintf(stderr, "Usage: %s <device>\n", argv[0]);
+	FILE *fp_time = NULL;
+	if (argc < 2 || argc > 3) {
+		fprintf(stderr, "Usage: %s <device> [output_file]\n", argv[0]);
 		fprintf(stderr, "\n");
 		fprintf(stderr, "Event data is read from standard input.\n");
 		return -1;
@@ -60,9 +61,20 @@ int main(int argc, char *argv[])
 		fprintf(stderr, "error: could not open device\n");
 		return -1;
 	}
-	if (evemu_play(stdin, fd)) {
+	if (argc == 3) {
+		fp_time = fopen(argv[2], "w");
+		if (fp_time == NULL) {
+			fprintf(stderr, "error: could not open output file %s.\n",
+				argv[2]);
+			return -1;
+		}
+	}
+	if (evemu_play(stdin, fd, fp_time)) {
 		fprintf(stderr, "error: could not describe device\n");
 	}
+	if (fp_time != NULL) {
+		close(fp_time);
+	}
 	close(fd);
 	return 0;
 }