diff options
author | Måns Rullgård <mans@mansr.com> | 2007-07-14 01:33:24 +0400 |
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committer | Måns Rullgård <mans@mansr.com> | 2007-07-14 01:33:24 +0400 |
commit | c07ed8c8a22c1427323dccb7722b2b094f95e728 (patch) | |
tree | 429fe6bdd3616d542e709792dfdcb6c7f86e3fdd /tools/pktdumper.c | |
parent | fdc1973e30b5ccafaa2443053fd65a35fdbd9d5a (diff) |
create and populate "tools" directory
Originally committed as revision 9634 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'tools/pktdumper.c')
-rw-r--r-- | tools/pktdumper.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/tools/pktdumper.c b/tools/pktdumper.c new file mode 100644 index 0000000000..04488caa45 --- /dev/null +++ b/tools/pktdumper.c @@ -0,0 +1,117 @@ +/* + * Copyright (c) 2005 Francois Revol + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <avformat.h> +#include <limits.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define PKTFILESUFF "_%08"PRId64"_%02d_%010"PRId64"_%06d_%c.bin" + +static int usage(int ret) +{ + fprintf(stderr, "dump (up to maxpkts) AVPackets as they are demuxed by libavformat.\n"); + fprintf(stderr, "each packet is dumped in its own file named like `basename file.ext`_$PKTNUM_$STREAMINDEX_$STAMP_$SIZE_$FLAGS.bin\n"); + fprintf(stderr, "pktdumper [-nw] file [maxpkts]\n"); + fprintf(stderr, "-n\twrite No file at all, only demux.\n"); + fprintf(stderr, "-w\tWait at end of processing instead of quitting.\n"); + return ret; +} + +int main(int argc, char **argv) +{ + char fntemplate[PATH_MAX]; + char pktfilename[PATH_MAX]; + AVFormatContext *fctx; + AVPacket pkt; + int64_t pktnum = 0; + int64_t maxpkts = 0; + int donotquit = 0; + int nowrite = 0; + int err; + + if ((argc > 1) && !strncmp(argv[1], "-", 1)) { + if (strchr(argv[1], 'w')) + donotquit = 1; + if (strchr(argv[1], 'n')) + nowrite = 1; + argv++; + argc--; + } + if (argc < 2) + return usage(1); + if (argc > 2) + maxpkts = atoi(argv[2]); + strncpy(fntemplate, argv[1], PATH_MAX-1); + if (strrchr(argv[1], '/')) + strncpy(fntemplate, strrchr(argv[1], '/')+1, PATH_MAX-1); + if (strrchr(fntemplate, '.')) + *strrchr(fntemplate, '.') = '\0'; + if (strchr(fntemplate, '%')) { + fprintf(stderr, "can't use filenames containing '%%'\n"); + return usage(1); + } + if (strlen(fntemplate) + sizeof(PKTFILESUFF) >= PATH_MAX-1) { + fprintf(stderr, "filename too long\n"); + return usage(1); + } + strcat(fntemplate, PKTFILESUFF); + printf("FNTEMPLATE: '%s'\n", fntemplate); + + // register all file formats + av_register_all(); + + err = av_open_input_file(&fctx, argv[1], NULL, 0, NULL); + if (err < 0) { + fprintf(stderr, "av_open_input_file: error %d\n", err); + return 1; + } + + err = av_find_stream_info(fctx); + if (err < 0) { + fprintf(stderr, "av_find_stream_info: error %d\n", err); + return 1; + } + + av_init_packet(&pkt); + + while ((err = av_read_frame(fctx, &pkt)) >= 0) { + int fd; + snprintf(pktfilename, PATH_MAX-1, fntemplate, pktnum, pkt.stream_index, pkt.pts, pkt.size, (pkt.flags & PKT_FLAG_KEY)?'K':'_'); + printf(PKTFILESUFF"\n", pktnum, pkt.stream_index, pkt.pts, pkt.size, (pkt.flags & PKT_FLAG_KEY)?'K':'_'); + //printf("open(\"%s\")\n", pktfilename); + if (!nowrite) { + fd = open(pktfilename, O_WRONLY|O_CREAT, 0644); + write(fd, pkt.data, pkt.size); + close(fd); + } + pktnum++; + if (maxpkts && (pktnum >= maxpkts)) + break; + } + + while (donotquit) + sleep(60); + + return 0; +} |