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Diffstat (limited to 'debian/transcode/transcode-1.1.7/import/extract_lzo.c')
-rw-r--r--debian/transcode/transcode-1.1.7/import/extract_lzo.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/debian/transcode/transcode-1.1.7/import/extract_lzo.c b/debian/transcode/transcode-1.1.7/import/extract_lzo.c
new file mode 100644
index 00000000..a7a0af97
--- /dev/null
+++ b/debian/transcode/transcode-1.1.7/import/extract_lzo.c
@@ -0,0 +1,133 @@
+/*
+ * extract_lzo.c
+ *
+ * Copyright (C) Tilmann Bitterberg - 2003
+ *
+ * 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, 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 GNU Make; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "transcode.h"
+#include "libtc/libtc.h"
+#include "tcinfo.h"
+
+#include "ioaux.h"
+#include "avilib/avilib.h"
+#include "tc.h"
+
+#ifdef HAVE_LZO
+
+#include "libtc/tc_lzo.h"
+
+#define BUFFER_SIZE SIZE_RGB_FRAME<<1
+
+inline static void long2str(long a, unsigned char *b)
+{
+ b[0] = (a&0xff000000)>>24;
+ b[1] = (a&0x00ff0000)>>16;
+ b[2] = (a&0x0000ff00)>>8;
+ b[3] = (a&0x000000ff);
+}
+
+void extract_lzo(info_t *ipipe)
+{
+
+ avi_t *avifile=NULL;
+ char *video;
+
+ int key, error=0;
+
+ long frames, bytes, n;
+
+ switch(ipipe->magic) {
+
+ case TC_MAGIC_AVI:
+
+ // scan file
+ if (ipipe->nav_seek_file) {
+ if(NULL == (avifile = AVI_open_indexfd(ipipe->fd_in,0,ipipe->nav_seek_file))) {
+ AVI_print_error("AVI open");
+ import_exit(1);
+ }
+ } else {
+ if(NULL == (avifile = AVI_open_fd(ipipe->fd_in,1))) {
+ AVI_print_error("AVI open");
+ import_exit(1);
+ }
+ }
+
+ // read video info;
+
+ frames = AVI_video_frames(avifile);
+ if (ipipe->frame_limit[1] < frames)
+ {
+ frames=ipipe->frame_limit[1];
+ }
+
+
+ if(ipipe->verbose & TC_STATS)
+ tc_log_msg(__FILE__, "%ld video frames", frames);
+
+ // allocate space, assume max buffer size
+ if((video = tc_zalloc(SIZE_RGB_FRAME))==NULL) {
+ tc_log_msg(__FILE__, "out of memory");
+ error=1;
+ break;
+ }
+
+ (int)AVI_set_video_position(avifile,ipipe->frame_limit[0]);
+ for (n=ipipe->frame_limit[0]; n<=frames; ++n) {
+ // video
+ if((bytes = AVI_read_frame(avifile, video, &key))<0) {
+ error=1;
+ break;
+ }
+ if(tc_pwrite(ipipe->fd_out, video, bytes)!=bytes) {
+ error=1;
+ break;
+ }
+ }
+
+ free(video);
+
+ break;
+
+ case TC_MAGIC_RAW:
+ default:
+
+ if(ipipe->magic == TC_MAGIC_UNKNOWN)
+ tc_log_warn(__FILE__, "no file type specified, assuming %s",
+ filetype(TC_MAGIC_RAW));
+
+ error = tc_preadwrite(ipipe->fd_in, ipipe->fd_out);
+ if (error < 0)
+ error = 1;
+
+ break;
+ }
+
+ import_exit(error);
+}
+
+#else
+void extract_lzo(info_t *ipipe)
+{
+ tc_log_error(__FILE__, "No support for LZO configured -- exiting");
+ import_exit(1);
+}
+#endif
+