Improve sofdec dectection to avoid false positives for MP2.
[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
26 #include "libavutil/common.h"
27 #include "libavformat/avformat.h"
28
29 #undef exit
30 #undef printf
31 #undef fprintf
32
33 static char buffer[20];
34
35 static const char *ret_str(int v)
36 {
37 switch (v) {
38 case AVERROR_EOF: return "-EOF";
39 case AVERROR(EIO): return "-EIO";
40 case AVERROR(ENOMEM): return "-ENOMEM";
41 case AVERROR(EINVAL): return "-EINVAL";
42 default:
43 snprintf(buffer, sizeof(buffer), "%2d", v);
44 return buffer;
45 }
46 }
47
48 int main(int argc, char **argv)
49 {
50 const char *filename;
51 AVFormatContext *ic;
52 int i, ret, stream_id;
53 int64_t timestamp;
54 AVFormatParameters params, *ap= &params;
55 memset(ap, 0, sizeof(params));
56 ap->channels=1;
57 ap->sample_rate= 22050;
58
59 /* initialize libavcodec, and register all codecs and formats */
60 av_register_all();
61
62 if (argc != 2) {
63 printf("usage: %s input_file\n"
64 "\n", argv[0]);
65 exit(1);
66 }
67
68 filename = argv[1];
69
70 /* allocate the media context */
71 ic = avformat_alloc_context();
72 if (!ic) {
73 fprintf(stderr, "Memory error\n");
74 exit(1);
75 }
76
77 ret = av_open_input_file(&ic, filename, NULL, 0, ap);
78 if (ret < 0) {
79 fprintf(stderr, "cannot open %s\n", filename);
80 exit(1);
81 }
82
83 ret = av_find_stream_info(ic);
84 if (ret < 0) {
85 fprintf(stderr, "%s: could not find codec parameters\n", filename);
86 exit(1);
87 }
88
89 for(i=0; ; i++){
90 AVPacket pkt;
91 AVStream *av_uninit(st);
92
93 memset(&pkt, 0, sizeof(pkt));
94 if(ret>=0){
95 ret= av_read_frame(ic, &pkt);
96 if(ret>=0){
97 st= ic->streams[pkt.stream_index];
98 printf("ret:%-10s st:%2d flags:%d dts:%9f pts:%9f pos:%7" PRId64 " size:%6d", ret_str(ret), pkt.stream_index, pkt.flags, pkt.dts*av_q2d(st->time_base), pkt.pts*av_q2d(st->time_base), pkt.pos, pkt.size);
99 } else
100 printf("ret:%s", ret_str(ret)); // necessary to avoid trailing whitespace
101 printf("\n");
102 }
103
104 if(i>25) break;
105
106 stream_id= (i>>1)%(ic->nb_streams+1) - 1;
107 timestamp= (i*19362894167LL) % (4*AV_TIME_BASE) - AV_TIME_BASE;
108 if(stream_id>=0){
109 st= ic->streams[stream_id];
110 timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base);
111 }
112 //FIXME fully test the new seek API
113 if(i&1) ret = avformat_seek_file(ic, stream_id, INT64_MIN, timestamp, timestamp, 0);
114 else ret = avformat_seek_file(ic, stream_id, timestamp, timestamp, INT64_MAX, 0);
115 printf("ret:%-10s st:%2d flags:%d ts:%9f\n", ret_str(ret), stream_id, i&1, timestamp*(stream_id<0 ? 1.0/AV_TIME_BASE : av_q2d(st->time_base)));
116 }
117
118 return 0;
119 }