Add entry for AVFilterPicRef interlaced and top_field_first fields
[libav.git] / tests / seek_test.c
1 /*
2 * Copyright (c) 2003 Fabrice Bellard
3 * Copyright (c) 2007 Michael Niedermayer
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include <stdint.h>
23 #include <stdlib.h>
24 #include <stdio.h>
25 #include <string.h>
26
27 #include "libavutil/common.h"
28 #include "libavformat/avformat.h"
29
30 #undef exit
31 #undef printf
32 #undef fprintf
33
34 static char buffer[20];
35
36 static const char *ret_str(int v)
37 {
38 switch (v) {
39 case AVERROR_EOF: return "-EOF";
40 case AVERROR(EIO): return "-EIO";
41 case AVERROR(ENOMEM): return "-ENOMEM";
42 case AVERROR(EINVAL): return "-EINVAL";
43 default:
44 snprintf(buffer, sizeof(buffer), "%2d", v);
45 return buffer;
46 }
47 }
48
49 static void ts_str(char buffer[60], int64_t ts, AVRational base)
50 {
51 double tsval;
52 if (ts == AV_NOPTS_VALUE) {
53 strcpy(buffer, " NOPTS ");
54 return;
55 }
56 tsval = ts * av_q2d(base);
57 snprintf(buffer, 60, "%9f", tsval);
58 }
59
60 int main(int argc, char **argv)
61 {
62 const char *filename;
63 AVFormatContext *ic = NULL;
64 int i, ret, stream_id;
65 int64_t timestamp;
66 AVFormatParameters params, *ap= &params;
67 memset(ap, 0, sizeof(params));
68 ap->channels=1;
69 ap->sample_rate= 22050;
70
71 /* initialize libavcodec, and register all codecs and formats */
72 av_register_all();
73
74 if (argc != 2) {
75 printf("usage: %s input_file\n"
76 "\n", argv[0]);
77 exit(1);
78 }
79
80 filename = argv[1];
81
82 ret = av_open_input_file(&ic, filename, NULL, 0, ap);
83 if (ret < 0) {
84 fprintf(stderr, "cannot open %s\n", filename);
85 exit(1);
86 }
87
88 ret = av_find_stream_info(ic);
89 if (ret < 0) {
90 fprintf(stderr, "%s: could not find codec parameters\n", filename);
91 exit(1);
92 }
93
94 for(i=0; ; i++){
95 AVPacket pkt;
96 AVStream *av_uninit(st);
97 char ts_buf[60];
98
99 memset(&pkt, 0, sizeof(pkt));
100 if(ret>=0){
101 ret= av_read_frame(ic, &pkt);
102 if(ret>=0){
103 char dts_buf[60];
104 st= ic->streams[pkt.stream_index];
105 ts_str(dts_buf, pkt.dts, st->time_base);
106 ts_str(ts_buf, pkt.pts, st->time_base);
107 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);
108 av_free_packet(&pkt);
109 } else
110 printf("ret:%s", ret_str(ret)); // necessary to avoid trailing whitespace
111 printf("\n");
112 }
113
114 if(i>25) break;
115
116 stream_id= (i>>1)%(ic->nb_streams+1) - 1;
117 timestamp= (i*19362894167LL) % (4*AV_TIME_BASE) - AV_TIME_BASE;
118 if(stream_id>=0){
119 st= ic->streams[stream_id];
120 timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base);
121 }
122 //FIXME fully test the new seek API
123 if(i&1) ret = avformat_seek_file(ic, stream_id, INT64_MIN, timestamp, timestamp, 0);
124 else ret = avformat_seek_file(ic, stream_id, timestamp, timestamp, INT64_MAX, 0);
125 ts_str(ts_buf, timestamp, stream_id < 0 ? AV_TIME_BASE_Q : st->time_base);
126 printf("ret:%-10s st:%2d flags:%d ts:%s\n", ret_str(ret), stream_id, i&1, ts_buf);
127 }
128
129 av_close_input_file(ic);
130
131 return 0;
132 }