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add pic2m2v for bulk-creating the still-mpegs

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Stefan Seyfried
2012-11-11 16:53:18 +01:00
parent 09f394fbef
commit 1466524bc5
2 changed files with 88 additions and 0 deletions
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3
tools/Makefile.am
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@@ -4,3 +4,6 @@ if BOXTYPE_SPARK
bin_PROGRAMS += spark_fp bin_PROGRAMS += spark_fp
spark_fp_SOURCES = spark_fp.c spark_fp_SOURCES = spark_fp.c
endif endif
bin_PROGRAMS += pic2m2v
pic2m2v_SOURCES = pic2m2v.c

85
tools/pic2m2v.c Normal file
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@@ -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;
}