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-rw-r--r--tools/seek_print.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/tools/seek_print.c b/tools/seek_print.c
new file mode 100644
index 0000000000..c42b28dd44
--- /dev/null
+++ b/tools/seek_print.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2013 Nicolas George
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with FFmpeg; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#if HAVE_UNISTD_H
+#include <unistd.h> /* getopt */
+#endif
+
+#include "libavformat/avformat.h"
+#include "libavutil/timestamp.h"
+
+#if !HAVE_GETOPT
+#include "compat/getopt.c"
+#endif
+
+static void usage(int ret)
+{
+ fprintf(ret ? stderr : stdout,
+ "Usage: seek_print file [command ...]\n"
+ "Commands:\n"
+ " read\n"
+ " seek:stream:min_ts:ts:max_ts:flags\n"
+ );
+ exit(ret);
+}
+
+int main(int argc, char **argv)
+{
+ int opt, ret, stream, flags;
+ const char *filename;
+ AVFormatContext *avf = NULL;
+ int64_t min_ts, max_ts, ts;
+ AVPacket packet;
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ usage(0);
+ default:
+ usage(1);
+ }
+ }
+ argc -= optind;
+ argv += optind;
+ if (!argc)
+ usage(1);
+ filename = *argv;
+ argv++;
+ argc--;
+
+ av_register_all();
+ if ((ret = avformat_open_input(&avf, filename, NULL, NULL)) < 0) {
+ fprintf(stderr, "%s: %s\n", filename, av_err2str(ret));
+ return 1;
+ }
+ if ((ret = avformat_find_stream_info(avf, NULL)) < 0) {
+ fprintf(stderr, "%s: could not find codec parameters: %s\n", filename,
+ av_err2str(ret));
+ return 1;
+ }
+
+ for (; argc; argc--, argv++) {
+ if (!strcmp(*argv, "read")) {
+ ret = av_read_frame(avf, &packet);
+ if (ret < 0) {
+ printf("read: %d (%s)\n", ret, av_err2str(ret));
+ } else {
+ AVRational *tb = &avf->streams[packet.stream_index]->time_base;
+ printf("read: %d size=%d stream=%d dts=%s (%s) pts=%s (%s)\n",
+ ret, packet.size, packet.stream_index,
+ av_ts2str(packet.dts), av_ts2timestr(packet.dts, tb),
+ av_ts2str(packet.pts), av_ts2timestr(packet.pts, tb));
+ av_free_packet(&packet);
+ }
+ } else if (sscanf(*argv, "seek:%i:%"SCNi64":%"SCNi64":%"SCNi64":%i",
+ &stream, &min_ts, &ts, &max_ts, &flags) == 5) {
+ ret = avformat_seek_file(avf, stream, min_ts, ts, max_ts, flags);
+ printf("seek: %d (%s)\n", ret, av_err2str(ret));
+ } else {
+ fprintf(stderr, "'%s': unknown command\n", *argv);
+ return 1;
+ }
+ }
+
+ avformat_close_input(&avf);
+
+ return 0;
+}