FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavformat/tests/seek.c
Date: 2026-07-16 17:05:34
Exec Total Coverage
Lines: 74 85 87.1%
Functions: 3 3 100.0%
Branches: 43 53 81.1%
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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 6245 static const char *ret_str(int v)
35 {
36
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 6245 switch (v) {
37 72 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 5935 default:
42 5935 snprintf(buffer, sizeof(buffer), "%2d", v);
43 5935 return buffer;
44 }
45 }
46
47 9070 static void ts_str(char buffer[60], int64_t ts, AVRational base)
48 {
49
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 9070 if (ts == AV_NOPTS_VALUE) {
50 276 strcpy(buffer, " NOPTS ");
51 276 return;
52 }
53 8794 ts= av_rescale_q(ts, base, (AVRational){1, 1000000});
54
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 8794 snprintf(buffer, 60, "%c%"PRId64".%06"PRId64"", ts<0 ? '-' : ' ', FFABS(ts)/1000000, FFABS(ts)%1000000);
55 }
56
57 126 int main(int argc, char **argv)
58 {
59 const char *filename;
60 126 AVFormatContext *ic = avformat_alloc_context();
61 int i, ret, stream_id;
62 int j;
63 int64_t timestamp;
64 126 AVDictionary *format_opts = NULL;
65 126 int64_t seekfirst = AV_NOPTS_VALUE;
66 126 int firstback=0;
67 126 int frame_count = 1;
68 126 int duration = 4;
69 126 int seekfirst_stream = -1;
70
71
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 139 for(i=2; i<argc; i+=2){
72
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 13 if (!strcmp(argv[i], "-seekforw")){
73 ✗ seekfirst = atoi(argv[i+1]);
74
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 13 } else if(!strcmp(argv[i], "-seekback")){
75 1 seekfirst = atoi(argv[i+1]);
76 1 firstback = 1;
77
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 12 } else if(!strcmp(argv[i], "-stream_id")){
78 1 seekfirst_stream = atoi(argv[i+1]);
79
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 11 } else if(!strcmp(argv[i], "-frames")){
80 4 frame_count = atoi(argv[i+1]);
81
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 7 } else if(!strcmp(argv[i], "-duration")){
82 5 duration = atoi(argv[i+1]);
83
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 2 } else if(!strcmp(argv[i], "-fastseek")) {
84
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 1 if (atoi(argv[i+1])) {
85 1 ic->flags |= AVFMT_FLAG_FAST_SEEK;
86 }
87
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 1 } else if(argv[i][0] == '-' && argv[i+1]) {
88 1 av_dict_set(&format_opts, argv[i] + 1, argv[i+1], 0);
89 } else {
90 ✗ argc = 1;
91 }
92 }
93
94 126 av_dict_set(&format_opts, "ch_layout", "mono", 0);
95 126 av_dict_set(&format_opts, "sample_rate", "22050", 0);
96
97
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 126 if (argc < 2) {
98 ✗ printf("usage: %s input_file\n"
99 "\n", argv[0]);
100 ✗ return 1;
101 }
102
103 126 filename = argv[1];
104
105 126 ret = avformat_open_input(&ic, filename, NULL, &format_opts);
106 126 av_dict_free(&format_opts);
107
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 126 if (ret < 0) {
108 ✗ fprintf(stderr, "cannot open %s\n", filename);
109 ✗ return 1;
110 }
111
112 126 ret = avformat_find_stream_info(ic, NULL);
113
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 126 if (ret < 0) {
114 ✗ fprintf(stderr, "%s: could not find codec parameters\n", filename);
115 ✗ return 1;
116 }
117
118
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 126 if(seekfirst != AV_NOPTS_VALUE){
119
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 1 if(firstback) avformat_seek_file(ic, seekfirst_stream, INT64_MIN, seekfirst, seekfirst, 0);
120 ✗ else avformat_seek_file(ic, seekfirst_stream, seekfirst, seekfirst, INT64_MAX, 0);
121 }
122 3402 for(i=0; ; i++){
123 3402 AVPacket pkt = { 0 };
124 3402 AVStream *av_uninit(st);
125 char ts_buf[60];
126
127
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 3402 if(ret>=0){
128
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 5632 for(j=0; j<frame_count; j++) {
129 2969 ret= av_read_frame(ic, &pkt);
130
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 2969 if(ret>=0){
131 char dts_buf[60];
132 2897 st= ic->streams[pkt.stream_index];
133 2897 ts_str(dts_buf, pkt.dts, st->time_base);
134 2897 ts_str(ts_buf, pkt.pts, st->time_base);
135 2897 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);
136 2897 av_packet_unref(&pkt);
137 } else
138 72 printf("ret:%s", ret_str(ret)); // necessary to avoid trailing whitespace
139 2969 printf("\n");
140 }
141 }
142
143
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 3402 if(i>25) break;
144
145 3276 stream_id= (i>>1)%(ic->nb_streams+1) - 1;
146 3276 timestamp= (i*19362894167LL) % (duration*AV_TIME_BASE) - AV_TIME_BASE;
147
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 3276 if(stream_id>=0){
148 1578 st= ic->streams[stream_id];
149 1578 timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base);
150 }
151 //FIXME fully test the new seek API
152
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 3276 if(i&1) ret = avformat_seek_file(ic, stream_id, INT64_MIN, timestamp, timestamp, 0);
153 1638 else ret = avformat_seek_file(ic, stream_id, timestamp, timestamp, INT64_MAX, 0);
154
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 3276 ts_str(ts_buf, timestamp, stream_id < 0 ? AV_TIME_BASE_Q : st->time_base);
155 3276 printf("ret:%-10s st:%2d flags:%d ts:%s\n", ret_str(ret), stream_id, i&1, ts_buf);
156 }
157
158 126 avformat_close_input(&ic);
159
160 126 return 0;
161 }
162