X-Git-Url: http://git.ffmpeg.org/gitweb/ffmpeg.git/blobdiff_plain/15b34f6386f1ddc52c454bb09f72e5b2d1d92205..1540cfdcce0ada88ddf02e1b4c450286aad04a8f:/pktdumper.c?ds=sidebyside diff --git a/pktdumper.c b/pktdumper.c index 72d83aa..701e801 100644 --- a/pktdumper.c +++ b/pktdumper.c @@ -12,7 +12,9 @@ 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 file [maxpkts]\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; } @@ -24,8 +26,18 @@ int main(int argc, char **argv) AVPacket pkt; int64_t pktnum = 0; int64_t maxpkts = 0; + int dontquit = 0; + int nowrite = 0; int err; - + + if ((argc > 1) && !strncmp(argv[1], "-", 1)) { + if (strchr(argv[1], 'w')) + dontquit = 1; + if (strchr(argv[1], 'n')) + nowrite = 1; + argv++; + argc--; + } if (argc < 2) return usage(1); if (argc > 2) @@ -45,36 +57,41 @@ int main(int argc, char **argv) } 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); - fd = open(pktfilename, O_WRONLY|O_CREAT, 0644); - write(fd, pkt.data, pkt.size); - close(fd); + 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 (dontquit) + sleep(60); + return 0; }