Go to most recent revision | Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
4349 | Serge | 1 | /* |
2 | * Copyright (c) 2005 Francois Revol |
||
3 | * |
||
4 | * This file is part of FFmpeg. |
||
5 | * |
||
6 | * FFmpeg is free software; you can redistribute it and/or |
||
7 | * modify it under the terms of the GNU Lesser General Public |
||
8 | * License as published by the Free Software Foundation; either |
||
9 | * version 2.1 of the License, or (at your option) any later version. |
||
10 | * |
||
11 | * FFmpeg is distributed in the hope that it will be useful, |
||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
||
14 | * Lesser General Public License for more details. |
||
15 | * |
||
16 | * You should have received a copy of the GNU Lesser General Public |
||
17 | * License along with FFmpeg; if not, write to the Free Software |
||
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||
19 | */ |
||
20 | |||
21 | #include "config.h" |
||
22 | #include |
||
23 | #include |
||
24 | #include |
||
25 | #include |
||
26 | #include |
||
27 | #if HAVE_UNISTD_H |
||
28 | #include |
||
29 | #endif |
||
30 | #if HAVE_IO_H |
||
31 | #include |
||
32 | #endif |
||
33 | |||
34 | #include "libavutil/avstring.h" |
||
35 | #include "libavutil/time.h" |
||
36 | #include "libavformat/avformat.h" |
||
37 | |||
38 | #define FILENAME_BUF_SIZE 4096 |
||
39 | #define PKTFILESUFF "_%08" PRId64 "_%02d_%010" PRId64 "_%06d_%c.bin" |
||
40 | |||
41 | static int usage(int ret) |
||
42 | { |
||
43 | fprintf(stderr, "Dump (up to maxpkts) AVPackets as they are demuxed by libavformat.\n"); |
||
44 | fprintf(stderr, "Each packet is dumped in its own file named like\n"); |
||
45 | fprintf(stderr, "$(basename file.ext)_$PKTNUM_$STREAMINDEX_$STAMP_$SIZE_$FLAGS.bin\n"); |
||
46 | fprintf(stderr, "pktdumper [-nw] file [maxpkts]\n"); |
||
47 | fprintf(stderr, "-n\twrite No file at all, only demux.\n"); |
||
48 | fprintf(stderr, "-w\tWait at end of processing instead of quitting.\n"); |
||
49 | return ret; |
||
50 | } |
||
51 | |||
52 | int main(int argc, char **argv) |
||
53 | { |
||
54 | char fntemplate[FILENAME_BUF_SIZE]; |
||
55 | char pktfilename[FILENAME_BUF_SIZE]; |
||
56 | AVFormatContext *fctx = NULL; |
||
57 | AVPacket pkt; |
||
58 | int64_t pktnum = 0; |
||
59 | int64_t maxpkts = 0; |
||
60 | int donotquit = 0; |
||
61 | int nowrite = 0; |
||
62 | int err; |
||
63 | |||
64 | if ((argc > 1) && !strncmp(argv[1], "-", 1)) { |
||
65 | if (strchr(argv[1], 'w')) |
||
66 | donotquit = 1; |
||
67 | if (strchr(argv[1], 'n')) |
||
68 | nowrite = 1; |
||
69 | argv++; |
||
70 | argc--; |
||
71 | } |
||
72 | if (argc < 2) |
||
73 | return usage(1); |
||
74 | if (argc > 2) |
||
75 | maxpkts = atoi(argv[2]); |
||
76 | av_strlcpy(fntemplate, argv[1], sizeof(fntemplate)); |
||
77 | if (strrchr(argv[1], '/')) |
||
78 | av_strlcpy(fntemplate, strrchr(argv[1], '/') + 1, sizeof(fntemplate)); |
||
79 | if (strrchr(fntemplate, '.')) |
||
80 | *strrchr(fntemplate, '.') = '\0'; |
||
81 | if (strchr(fntemplate, '%')) { |
||
82 | fprintf(stderr, "cannot use filenames containing '%%'\n"); |
||
83 | return usage(1); |
||
84 | } |
||
85 | if (strlen(fntemplate) + sizeof(PKTFILESUFF) >= sizeof(fntemplate) - 1) { |
||
86 | fprintf(stderr, "filename too long\n"); |
||
87 | return usage(1); |
||
88 | } |
||
89 | strcat(fntemplate, PKTFILESUFF); |
||
90 | printf("FNTEMPLATE: '%s'\n", fntemplate); |
||
91 | |||
92 | // register all file formats |
||
93 | av_register_all(); |
||
94 | |||
95 | err = avformat_open_input(&fctx, argv[1], NULL, NULL); |
||
96 | if (err < 0) { |
||
97 | fprintf(stderr, "cannot open input: error %d\n", err); |
||
98 | return 1; |
||
99 | } |
||
100 | |||
101 | err = avformat_find_stream_info(fctx, NULL); |
||
102 | if (err < 0) { |
||
103 | fprintf(stderr, "avformat_find_stream_info: error %d\n", err); |
||
104 | return 1; |
||
105 | } |
||
106 | |||
107 | av_init_packet(&pkt); |
||
108 | |||
109 | while ((err = av_read_frame(fctx, &pkt)) >= 0) { |
||
110 | int fd; |
||
111 | snprintf(pktfilename, sizeof(pktfilename), fntemplate, pktnum, |
||
112 | pkt.stream_index, pkt.pts, pkt.size, |
||
113 | (pkt.flags & AV_PKT_FLAG_KEY) ? 'K' : '_'); |
||
114 | printf(PKTFILESUFF "\n", pktnum, pkt.stream_index, pkt.pts, pkt.size, |
||
115 | (pkt.flags & AV_PKT_FLAG_KEY) ? 'K' : '_'); |
||
116 | if (!nowrite) { |
||
117 | fd = open(pktfilename, O_WRONLY | O_CREAT, 0644); |
||
118 | err = write(fd, pkt.data, pkt.size); |
||
119 | if (err < 0) { |
||
120 | fprintf(stderr, "write: error %d\n", err); |
||
121 | return 1; |
||
122 | } |
||
123 | close(fd); |
||
124 | } |
||
125 | av_free_packet(&pkt); |
||
126 | pktnum++; |
||
127 | if (maxpkts && (pktnum >= maxpkts)) |
||
128 | break; |
||
129 | } |
||
130 | |||
131 | avformat_close_input(&fctx); |
||
132 | |||
133 | while (donotquit) |
||
134 | av_usleep(60 * 1000000); |
||
135 | |||
136 | return 0; |
||
137 | }>>>> |