From d18598fec14f2af391c55160b4de44d72430083a Mon Sep 17 00:00:00 2001
From: Jan Klemkow <j.klemkow@wemelug.de>
Date: Tue, 29 Jan 2013 16:10:50 +0100
Subject: add flags for calc and output, print time and duration on cut

---
 src/advtime.c | 78 +++++++++++++++++++++++++++++++++++++++++------------------
 1 file changed, 55 insertions(+), 23 deletions(-)

diff --git a/src/advtime.c b/src/advtime.c
index 24be53c..01ad742 100644
--- a/src/advtime.c
+++ b/src/advtime.c
@@ -9,6 +9,20 @@
 #include "video_decode.h"
 #include "util.h"
 
+/* print time in format: "hh:mm:ss.xxx" */
+void
+print_time(int64_t msec) {
+
+	int hh = msec / 1000 / 60 / 60;
+	msec -= hh * 1000 * 60 * 60;
+	int mm = msec / 1000 / 60;
+	msec -= mm * 1000 * 60;
+	int ss = msec / 1000;
+	msec -= ss * 1000;
+
+	printf("%02d:%02d:%02d.%03jd", hh, mm, ss, msec);
+}
+
 static double
 frame_diff(struct video_frame *frame_a, struct video_frame *frame_b)
 {
@@ -64,12 +78,13 @@ main(int argc, char **argv)
 	struct video_frame *frame_a;
 	struct video_frame *frame_b;
 	int ret, ch;
-	int diff_flag = 0, average_flag = 0;
+	int diff_flag = 0, average_flag = 0, frame_flag = 0, showcut_flag = 0;
 	int64_t timestamp = 0;
 	double diff = 0.0, old_diff = 0.0;
+	uint64_t dts = 0, prev_dts = 0;	/* decoding time stamp */
 	char filename[BUFSIZ];
 
-	while ((ch = getopt(argc, argv, "ad")) != -1) {
+	while ((ch = getopt(argc, argv, "adfs")) != -1) {
 		switch (ch) {
 		case 'a':
 			average_flag = 1;
@@ -77,6 +92,12 @@ main(int argc, char **argv)
 		case 'd':
 			diff_flag = 1;
 			break;
+		case 'f':
+			diff_flag = 1;
+			break;
+		case 's':
+			showcut_flag = 1;
+			break;
 		default:
 			usage();
 			/* NOTREACHED */
@@ -98,7 +119,7 @@ main(int argc, char **argv)
 	ret = video_decode_get_frame(vd, &frame_a);
 	if (ret < 0)
 		return -ret;
-
+/*
 	printf("fps: %d\n", vd->fmt_ctx->fps_probe_size);
 	printf("streams: %d\n", vd->fmt_ctx->nb_streams);
 	printf("filename: %s\n", vd->fmt_ctx->filename);
@@ -112,39 +133,50 @@ main(int argc, char **argv)
 	printf("first: %ji\n", vd->fmt_ctx->streams[0]->first_dts);
 	printf("cur: %ji\n", vd->fmt_ctx->streams[0]->cur_dts);
 	printf("reference: %ji\n", vd->fmt_ctx->streams[0]->reference_dts);
-
+*/
 	for (int i = 0; video_decode_get_frame(vd, &frame_b) > 0; ++i) {
 
-//	printf("first: %ji\t", vd->fmt_ctx->streams[0]->first_dts);
-//	printf("cur: %ji\t", vd->fmt_ctx->streams[0]->cur_dts);
-//	printf("reference: %ji\n", vd->fmt_ctx->streams[0]->reference_dts);
-
+		if (frame_flag)		/* print frame number */
+			printf("%d\t", i);
 
-
-//		printf("%d\t", i);
-		if (average_flag == 1)
+		if (average_flag)		/* print frame average */
 			printf("%f", frame_average(frame_a));
 
-		if (average_flag == 1 && diff_flag == 1)
+		if (average_flag && diff_flag)
 			printf("\t");
 
-		if (diff_flag == 1) {
-			printf("%f", diff = frame_diff(frame_a, frame_b));
-			printf("\t%f", (diff - old_diff));
+		if (diff_flag) {
+			diff = frame_diff(frame_a, frame_b);
+//			printf("%f", diff);
+//			printf("\t%f", (diff - old_diff));
 			old_diff = diff;
 		}
 
 		if (diff > 40.0) {
-			printf("cut: %d\n", i);
-			snprintf(filename, BUFSIZ, "img/%04i.pgm", i);
-			frame_mix(frame_a, frame_b);
-			if (pgm_save(frame_a->data, frame_a->stride,
-				     frame_a->width, frame_a->height,
-				     filename) < 0)
-				exit(EXIT_FAILURE);
+			dts = vd->fmt_ctx->streams[0]->cur_dts;
+
+			print_time(dts);
+			printf("\t");
+			print_time(dts - prev_dts);
+			prev_dts = dts;
+
+			if (!frame_flag && !average_flag)
+				printf("\n");
+
+			if (showcut_flag == 1) {
+				snprintf(filename, BUFSIZ, "img/%04i.pgm", i);
+				frame_mix(frame_a, frame_b);
+
+				if (pgm_save(frame_a->data, frame_a->stride,
+					     frame_a->width, frame_a->height,
+					     filename) < 0)
+					exit(EXIT_FAILURE);
+			}
 		}
 
-//		printf("\n");
+		if (frame_flag || average_flag)
+			printf("\n");
+
 		video_decode_free_frame(&frame_a);
 		frame_a = frame_b;
 	}
-- 
cgit