From 824c35104fef735d5d45eab4c38e2dfd074e6a15 Mon Sep 17 00:00:00 2001
From: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: Sun, 11 Nov 2012 16:53:18 +0100
Subject: [PATCH] add pic2m2v for bulk-creating the still-mpegs

Origin commit data
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Branch: master
Commit: https://github.com/neutrino-images/ni-libstb-hal/commit/1466524bc512b23f924983f9c9e58b3779a757b1
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2012-11-11 (Sun, 11 Nov 2012)


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No further description and justification available within origin commit message!

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This commit was generated by Migit
---
 tools/Makefile.am |  3 ++
 tools/pic2m2v.c   | 85 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+)
 create mode 100644 tools/pic2m2v.c

diff --git a/tools/Makefile.am b/tools/Makefile.am
index 3e83dba..5ee4d5b 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -4,3 +4,6 @@ if BOXTYPE_SPARK
 bin_PROGRAMS += spark_fp
 spark_fp_SOURCES = spark_fp.c
 endif
+
+bin_PROGRAMS += pic2m2v
+pic2m2v_SOURCES = pic2m2v.c
diff --git a/tools/pic2m2v.c b/tools/pic2m2v.c
new file mode 100644
index 0000000..d99ddc1
--- /dev/null
+++ b/tools/pic2m2v.c
@@ -0,0 +1,85 @@
+/*
+ * (C) 2012 Stefan Seyfried
+ *
+ * This program 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.
+ *
+ * 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 General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <utime.h>
+
+#if HAVE_TRIPLEDRAGON
+#define TARGETRES "704x576"
+#else
+#define TARGETRES "1280x720"
+#endif
+
+int main(int argc, char **argv)
+{
+	char destname[512];
+	char cmd[512];
+	char *p;
+	char *fname;
+	struct stat st, st2;
+
+	if (argc < 2)
+	{
+		fprintf(stderr, "usage: pic2m2v /path/pic1.jpg [/path/pic2.jpg...]\n\n");
+		return 1;
+	}
+	strcpy(destname, "/var/cache");
+	mkdir(destname, 0755);
+	argv++;
+	for (fname = *argv; fname != NULL; fname = *++argv)
+	{
+		if (stat(fname, &st2))
+		{
+			fprintf(stderr, "pic2m2v: could not stat '%s' (%m)\n", fname);
+			continue;
+		}
+		strcpy(destname, "/var/cache");
+		/* the cache filename is (example for /share/tuxbox/neutrino/icons/radiomode.jpg):
+		   /var/cache/share.tuxbox.neutrino.icons.radiomode.jpg.m2v
+		   build that filename first...
+		   TODO: this could cause name clashes, use a hashing function instead... */
+		strcat(destname, fname);
+		p = &destname[strlen("/var/cache/")];
+		while ((p = strchr(p, '/')) != NULL)
+			*p = '.';
+		strcat(destname, ".m2v");
+		/* ...then check if it exists already... */
+		if (stat(destname, &st) || (st.st_mtime != st2.st_mtime) || (st.st_size == 0))
+		{
+			struct utimbuf u;
+			u.actime = time(NULL);
+			u.modtime = st2.st_mtime;
+			printf("converting %s -> %s\n", fname, destname);
+			/* it does not exist or has a different date, so call ffmpeg... */
+			sprintf(cmd, "ffmpeg -v 31 -y -f mjpeg -i '%s' -s %s '%s' </dev/null",
+							fname, TARGETRES, destname);
+			system(cmd); /* TODO: use libavcodec to directly convert it */
+			utime(destname, &u);
+		}
+		else
+			printf("cache file %s already current\n", destname);
+	}
+
+	return 0;
+}