summaryrefslogtreecommitdiff
path: root/libavformat/seek-test.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavformat/seek-test.c')
-rw-r--r--libavformat/seek-test.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/libavformat/seek-test.c b/libavformat/seek-test.c
new file mode 100644
index 0000000000..71b2a2d6c0
--- /dev/null
+++ b/libavformat/seek-test.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2003 Fabrice Bellard
+ * Copyright (c) 2007 Michael Niedermayer
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "libavutil/common.h"
+#include "libavutil/mathematics.h"
+#include "libavformat/avformat.h"
+
+#undef exit
+#undef printf
+#undef fprintf
+
+static char buffer[20];
+
+static const char *ret_str(int v)
+{
+ switch (v) {
+ case AVERROR_EOF: return "-EOF";
+ case AVERROR(EIO): return "-EIO";
+ case AVERROR(ENOMEM): return "-ENOMEM";
+ case AVERROR(EINVAL): return "-EINVAL";
+ default:
+ snprintf(buffer, sizeof(buffer), "%2d", v);
+ return buffer;
+ }
+}
+
+static void ts_str(char buffer[60], int64_t ts, AVRational base)
+{
+ double tsval;
+ if (ts == AV_NOPTS_VALUE) {
+ strcpy(buffer, " NOPTS ");
+ return;
+ }
+ tsval = ts * av_q2d(base);
+ snprintf(buffer, 60, "%9f", tsval);
+}
+
+int main(int argc, char **argv)
+{
+ const char *filename;
+ AVFormatContext *ic = NULL;
+ int i, ret, stream_id;
+ int64_t timestamp;
+ AVFormatParameters params, *ap= &params;
+ memset(ap, 0, sizeof(params));
+ ap->channels=1;
+ ap->sample_rate= 22050;
+
+ /* initialize libavcodec, and register all codecs and formats */
+ av_register_all();
+
+ if (argc != 2) {
+ printf("usage: %s input_file\n"
+ "\n", argv[0]);
+ exit(1);
+ }
+
+ filename = argv[1];
+
+ ret = av_open_input_file(&ic, filename, NULL, 0, ap);
+ if (ret < 0) {
+ fprintf(stderr, "cannot open %s\n", filename);
+ exit(1);
+ }
+
+ ret = av_find_stream_info(ic);
+ if (ret < 0) {
+ fprintf(stderr, "%s: could not find codec parameters\n", filename);
+ exit(1);
+ }
+
+ for(i=0; ; i++){
+ AVPacket pkt;
+ AVStream *av_uninit(st);
+ char ts_buf[60];
+
+ memset(&pkt, 0, sizeof(pkt));
+ if(ret>=0){
+ ret= av_read_frame(ic, &pkt);
+ if(ret>=0){
+ char dts_buf[60];
+ st= ic->streams[pkt.stream_index];
+ ts_str(dts_buf, pkt.dts, st->time_base);
+ ts_str(ts_buf, pkt.pts, st->time_base);
+ printf("ret:%-10s st:%2d flags:%d dts:%s pts:%s pos:%7" PRId64 " size:%6d", ret_str(ret), pkt.stream_index, pkt.flags, dts_buf, ts_buf, pkt.pos, pkt.size);
+ av_free_packet(&pkt);
+ } else
+ printf("ret:%s", ret_str(ret)); // necessary to avoid trailing whitespace
+ printf("\n");
+ }
+
+ if(i>25) break;
+
+ stream_id= (i>>1)%(ic->nb_streams+1) - 1;
+ timestamp= (i*19362894167LL) % (4*AV_TIME_BASE) - AV_TIME_BASE;
+ if(stream_id>=0){
+ st= ic->streams[stream_id];
+ timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base);
+ }
+ //FIXME fully test the new seek API
+ if(i&1) ret = avformat_seek_file(ic, stream_id, INT64_MIN, timestamp, timestamp, 0);
+ else ret = avformat_seek_file(ic, stream_id, timestamp, timestamp, INT64_MAX, 0);
+ ts_str(ts_buf, timestamp, stream_id < 0 ? AV_TIME_BASE_Q : st->time_base);
+ printf("ret:%-10s st:%2d flags:%d ts:%s\n", ret_str(ret), stream_id, i&1, ts_buf);
+ }
+
+ av_close_input_file(ic);
+
+ return 0;
+}