Replace big square-root table by a call to ff_sqrt(). Based on a patch
[libav.git] / tests / seek_test.c
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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 */
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21
22#include <stdint.h>
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23#include <stdlib.h>
24#include <stdio.h>
25
e2eb0f52 26#include "libavutil/common.h"
245976da 27#include "libavformat/avformat.h"
f97b7e66 28
6b301232 29#undef exit
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30#undef printf
31#undef fprintf
6b301232 32
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33int main(int argc, char **argv)
34{
35 const char *filename;
36 AVFormatContext *ic;
37 int i, ret, stream_id;
38 int64_t timestamp;
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39 AVFormatParameters params, *ap= &params;
40 memset(ap, 0, sizeof(params));
41 ap->channels=1;
42 ap->sample_rate= 22050;
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43
44 /* initialize libavcodec, and register all codecs and formats */
45 av_register_all();
46
47 if (argc != 2) {
48 printf("usage: %s input_file\n"
49 "\n", argv[0]);
50 exit(1);
51 }
52
53 filename = argv[1];
54
55 /* allocate the media context */
8e2fd8e1 56 ic = avformat_alloc_context();
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57 if (!ic) {
58 fprintf(stderr, "Memory error\n");
59 exit(1);
60 }
61
aba29e6f 62 ret = av_open_input_file(&ic, filename, NULL, 0, ap);
f97b7e66 63 if (ret < 0) {
755bfeab 64 fprintf(stderr, "cannot open %s\n", filename);
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65 exit(1);
66 }
67
68 ret = av_find_stream_info(ic);
69 if (ret < 0) {
70 fprintf(stderr, "%s: could not find codec parameters\n", filename);
71 exit(1);
72 }
73
74 for(i=0; ; i++){
75 AVPacket pkt;
e2eb0f52 76 AVStream *av_uninit(st);
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77
78 memset(&pkt, 0, sizeof(pkt));
b929eb50 79 if(ret>=0){
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80 ret= av_read_frame(ic, &pkt);
81 printf("ret:%2d", ret);
82 if(ret>=0){
83 st= ic->streams[pkt.stream_index];
99e8b22d 84 printf(" st:%2d dts:%f pts:%f pos:%" PRId64 " 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);
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85 }
86 printf("\n");
b929eb50 87 }
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88
89 if(i>25) break;
90
91 stream_id= (i>>1)%(ic->nb_streams+1) - 1;
92 timestamp= (i*19362894167LL) % (4*AV_TIME_BASE) - AV_TIME_BASE;
93 if(stream_id>=0){
94 st= ic->streams[stream_id];
95 timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base);
96 }
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97 //FIXME fully test the new seek API
98 if(i&1) ret = avformat_seek_file(ic, stream_id, INT64_MIN, timestamp, timestamp, 0);
99 else ret = avformat_seek_file(ic, stream_id, timestamp, timestamp, INT64_MAX, 0);
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100 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);
101 }
102
103 return 0;
104}