1 files changed, 136 insertions, 0 deletions
diff --git a/debian/transcode/transcode-1.1.7/libtc/tctimer.c b/debian/transcode/transcode-1.1.7/libtc/tctimer.c
new file mode 100644
index 00000000..aceb02b5
--- /dev/null
+++ b/debian/transcode/transcode-1.1.7/libtc/tctimer.c
@@ -0,0 +1,136 @@
+/*
+ * tctimer.c -- simple timer code implementation for transcode.
+ * (C) 2006-2010 - Francesco Romani <fromani -at- gmail -dot- com>
+ *
+ * This file is part of transcode, a video stream processing tool.
+ *
+ * transcode is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * transcode 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 General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "config.h"
+
+#ifndef HAVE_GETTIMEOFDAY
+# error "this module REQUIRES gettimeofday presence!"
+#endif
+
+#include <sys/time.h>
+#include <time.h>
+#include <errno.h>
+
+#include "tctimer.h"
+#include "libtc.h"
+
+/*
+ * Internal time representation:
+ * XXX WRITEME
+ */
+
+/*************************************************************************/
+/* utilities */
+
+static uint64_t tc_timeval_to_microsecs(const struct timeval *tv)
+{
+    return (tv->tv_sec * 1000000 + tv->tv_usec);
+}
+
+uint64_t tc_gettime(void)
+{
+    struct timeval tv;
+
+    gettimeofday(&tv, NULL);
+
+    return tc_timeval_to_microsecs(&tv);
+}  
+
+/*************************************************************************/
+/* generics */
+
+/*************************************************************************/
+
+static uint64_t tc_timer_generic_elapsed(TCTimer *timer)
+{
+    uint64_t r = 0, t = tc_gettime();
+    r = t - timer->last_time;
+    timer->last_time = t;
+    return r;
+}
+
+/*************************************************************************/
+/* timer-specific code */
+
+/*************************************************************************/
+
+static int tc_timer_soft_fini(TCTimer *timer)
+{
+    return 0; /* no internal state -> nothing to finalize */
+}
+
+static int tc_timer_soft_sleep(TCTimer *timer, uint64_t amount)
+{
+    struct timespec ts, tr;
+    int ret;
+
+    ts.tv_sec = amount / 1000000;
+    ts.tv_nsec = (amount % 1000000) * 1000;
+
+    do {
+        ret = nanosleep(&ts, &tr);
+        if (ret == -1) {
+            if (errno != EINTR) {
+                /* report fault */
+                break;
+            } else {
+                /* reload */
+                ts.tv_sec = tr.tv_sec;
+                ts.tv_nsec = tr.tv_nsec;
+            }
+        }
+    } while (ret != 0);
+    return ret;
+}
+
+/*************************************************************************/
+/* entry points */
+
+/*************************************************************************/
+
+int tc_timer_init_soft(TCTimer *timer, uint16_t frequency)
+{
+    int ret = -1;
+
+    if (timer != NULL) {
+        /* frequency: ignored, we relies on nanosleep() */
+        timer->last_time = tc_gettime();
+
+        timer->elapsed = tc_timer_generic_elapsed;
+        timer->sleep = tc_timer_soft_sleep;
+        timer->fini = tc_timer_soft_fini;
+
+        ret = 0;
+    }
+    return ret;
+}
+
+/*************************************************************************/
+
+/*
+ * Local variables:
+ *   c-file-style: "stroustrup"
+ *   c-file-offsets: ((case-label . *) (statement-case-intro . *))
+ *   indent-tabs-mode: nil
+ * End:
+ *
+ * vim: expandtab shiftwidth=4:
+ */