* Copyright (c) 2003 Fabrice Bellard
* Copyright (c) 2007 Michael Niedermayer
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * 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 FFmpeg; if not, write to the Free Software
+ * 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 "libavformat/avformat.h"
+
+#undef exit
+#undef printf
+#undef fprintf
-#include "avformat.h"
+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;
+ AVFormatContext *ic = NULL;
int i, ret, stream_id;
int64_t timestamp;
+ AVFormatParameters params, *ap= ¶ms;
+ memset(ap, 0, sizeof(params));
+ ap->channels=1;
+ ap->sample_rate= 22050;
/* initialize libavcodec, and register all codecs and formats */
av_register_all();
filename = argv[1];
- /* allocate the media context */
- ic = av_alloc_format_context();
- if (!ic) {
- fprintf(stderr, "Memory error\n");
- exit(1);
- }
-
- ret = av_open_input_file(&ic, filename, NULL, 0, NULL);
+ ret = av_open_input_file(&ic, filename, NULL, 0, ap);
if (ret < 0) {
- fprintf(stderr, "cant open %s\n", filename);
+ fprintf(stderr, "cannot open %s\n", filename);
exit(1);
}
for(i=0; ; i++){
AVPacket pkt;
- AVStream *st;
+ AVStream *av_uninit(st);
+ char ts_buf[60];
memset(&pkt, 0, sizeof(pkt));
if(ret>=0){
- ret= av_read_frame(ic, &pkt);
- printf("ret:%2d", ret);
- if(ret>=0){
- st= ic->streams[pkt.stream_index];
- printf(" st:%2d dts:%f pts:%f pos:%Ld size:%d flags:%d", pkt.stream_index, pkt.dts*av_q2d(st->time_base), pkt.pts*av_q2d(st->time_base), pkt.pos, pkt.size, pkt.flags);
- }
- printf("\n");
+ 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;
st= ic->streams[stream_id];
timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base);
}
- ret = av_seek_frame(ic, stream_id, timestamp, (i&1)*AVSEEK_FLAG_BACKWARD);
- printf("ret:%2d st:%2d ts:%f flags:%d\n", ret, stream_id, timestamp*(stream_id<0 ? 1.0/AV_TIME_BASE : av_q2d(st->time_base)), i&1);
+ //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;
}