FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavformat/tests/seek.c
Date: 2026-04-22 08:36:36
Exec Total Coverage
Lines: 68 82 82.9%
Functions: 3 3 100.0%
Branches: 38 51 74.5%
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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 */
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 "libavutil/mathematics.h"
29
30 #include "libavformat/avformat.h"
31
32 static char buffer[20];
33
34 6143 static const char *ret_str(int v)
35 {
36
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 6143 switch (v) {
37 65 case AVERROR_EOF: return "-EOF";
38 ✗ case AVERROR(EIO): return "-EIO";
39 ✗ case AVERROR(ENOMEM): return "-ENOMEM";
40 238 case AVERROR(EINVAL): return "-EINVAL";
41 5840 default:
42 5840 snprintf(buffer, sizeof(buffer), "%2d", v);
43 5840 return buffer;
44 }
45 }
46
47 8932 static void ts_str(char buffer[60], int64_t ts, AVRational base)
48 {
49
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 8932 if (ts == AV_NOPTS_VALUE) {
50 276 strcpy(buffer, " NOPTS ");
51 276 return;
52 }
53 8656 ts= av_rescale_q(ts, base, (AVRational){1, 1000000});
54
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 8656 snprintf(buffer, 60, "%c%"PRId64".%06"PRId64"", ts<0 ? '-' : ' ', FFABS(ts)/1000000, FFABS(ts)%1000000);
55 }
56
57 124 int main(int argc, char **argv)
58 {
59 const char *filename;
60 124 AVFormatContext *ic = avformat_alloc_context();
61 int i, ret, stream_id;
62 int j;
63 int64_t timestamp;
64 124 AVDictionary *format_opts = NULL;
65 124 int64_t seekfirst = AV_NOPTS_VALUE;
66 124 int firstback=0;
67 124 int frame_count = 1;
68 124 int duration = 4;
69
70
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 134 for(i=2; i<argc; i+=2){
71
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 10 if (!strcmp(argv[i], "-seekforw")){
72 ✗ seekfirst = atoi(argv[i+1]);
73
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 10 } else if(!strcmp(argv[i], "-seekback")){
74 ✗ seekfirst = atoi(argv[i+1]);
75 ✗ firstback = 1;
76
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 10 } else if(!strcmp(argv[i], "-frames")){
77 4 frame_count = atoi(argv[i+1]);
78
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 6 } else if(!strcmp(argv[i], "-duration")){
79 4 duration = atoi(argv[i+1]);
80
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 2 } else if(!strcmp(argv[i], "-fastseek")) {
81
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 1 if (atoi(argv[i+1])) {
82 1 ic->flags |= AVFMT_FLAG_FAST_SEEK;
83 }
84
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 1 } else if(argv[i][0] == '-' && argv[i+1]) {
85 1 av_dict_set(&format_opts, argv[i] + 1, argv[i+1], 0);
86 } else {
87 ✗ argc = 1;
88 }
89 }
90
91 124 av_dict_set(&format_opts, "ch_layout", "mono", 0);
92 124 av_dict_set(&format_opts, "sample_rate", "22050", 0);
93
94
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 124 if (argc < 2) {
95 ✗ printf("usage: %s input_file\n"
96 "\n", argv[0]);
97 ✗ return 1;
98 }
99
100 124 filename = argv[1];
101
102 124 ret = avformat_open_input(&ic, filename, NULL, &format_opts);
103 124 av_dict_free(&format_opts);
104
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 124 if (ret < 0) {
105 ✗ fprintf(stderr, "cannot open %s\n", filename);
106 ✗ return 1;
107 }
108
109 124 ret = avformat_find_stream_info(ic, NULL);
110
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 124 if (ret < 0) {
111 ✗ fprintf(stderr, "%s: could not find codec parameters\n", filename);
112 ✗ return 1;
113 }
114
115
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 124 if(seekfirst != AV_NOPTS_VALUE){
116 ✗ if(firstback) avformat_seek_file(ic, -1, INT64_MIN, seekfirst, seekfirst, 0);
117 ✗ else avformat_seek_file(ic, -1, seekfirst, seekfirst, INT64_MAX, 0);
118 }
119 3348 for(i=0; ; i++){
120 3348 AVPacket pkt = { 0 };
121 3348 AVStream *av_uninit(st);
122 char ts_buf[60];
123
124
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 3348 if(ret>=0){
125
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 5532 for(j=0; j<frame_count; j++) {
126 2919 ret= av_read_frame(ic, &pkt);
127
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 2919 if(ret>=0){
128 char dts_buf[60];
129 2854 st= ic->streams[pkt.stream_index];
130 2854 ts_str(dts_buf, pkt.dts, st->time_base);
131 2854 ts_str(ts_buf, pkt.pts, st->time_base);
132 2854 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);
133 2854 av_packet_unref(&pkt);
134 } else
135 65 printf("ret:%s", ret_str(ret)); // necessary to avoid trailing whitespace
136 2919 printf("\n");
137 }
138 }
139
140
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 3348 if(i>25) break;
141
142 3224 stream_id= (i>>1)%(ic->nb_streams+1) - 1;
143 3224 timestamp= (i*19362894167LL) % (duration*AV_TIME_BASE) - AV_TIME_BASE;
144
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 3224 if(stream_id>=0){
145 1550 st= ic->streams[stream_id];
146 1550 timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base);
147 }
148 //FIXME fully test the new seek API
149
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 3224 if(i&1) ret = avformat_seek_file(ic, stream_id, INT64_MIN, timestamp, timestamp, 0);
150 1612 else ret = avformat_seek_file(ic, stream_id, timestamp, timestamp, INT64_MAX, 0);
151
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 3224 ts_str(ts_buf, timestamp, stream_id < 0 ? AV_TIME_BASE_Q : st->time_base);
152 3224 printf("ret:%-10s st:%2d flags:%d ts:%s\n", ret_str(ret), stream_id, i&1, ts_buf);
153 }
154
155 124 avformat_close_input(&ic);
156
157 124 return 0;
158 }
159