mirror of
https://github.com/tuxbox-fork-migrations/recycled-ni-neutrino.git
synced 2025-08-29 08:21:07 +02:00
our current experimental Neutrino branch
git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@27 e54a6e83-5905-42d5-8d5c-058d10e6a962
Origin commit data
------------------
Commit: bc5bd4154e
Author: mrcolor <mrcolor@e54a6e83-5905-42d5-8d5c-058d10e6a962>
Date: 2009-12-08 (Tue, 08 Dec 2009)
This commit is contained in:
mrcolor
235
src/gui/dmx_tspidbandwidth.c
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235
src/gui/dmx_tspidbandwidth.c
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@@ -0,0 +1,235 @@
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/*
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* some definition
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*/
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#define TS_LEN 188
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#define TS_SYNC_BYTE 0x47
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#define TS_BUF_SIZE (TS_LEN * 2048) /* fix dmx buffer size */
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static unsigned long timeval_to_ms(const struct timeval *tv)
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{
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return (tv->tv_sec * 1000) + ((tv->tv_usec + 500) / 1000);
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}
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long delta_time_ms (struct timeval *tv, struct timeval *last_tv)
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{
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return timeval_to_ms(tv) - timeval_to_ms(last_tv);
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}
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int ts_pidbandwidth (OPTION *opt)
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{
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u_char buf[TS_BUF_SIZE];
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struct pollfd pfd;
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struct dmx_pes_filter_params flt;
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int dmxfd;
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struct timeval tv,last_tv, first_tv;
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int pid;
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unsigned long long b_total;
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long b;
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long packets_bad;
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long packets_total;
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struct { // simple struct for storing last average bandwidth
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unsigned long kb_sec;
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unsigned long b_sec;
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} last_avg;
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if (opt->ts_raw_mode) {
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pid = PID_FULL_TS;
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} else {
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pid = opt->pid;
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}
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indent (0);
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out_nl (2,"");
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out_nl (2,"---------------------------------------------------------");
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out_nl (2,"PID bandwidth statistics...");
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if (opt->ts_raw_mode) {
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out (2,"Full Transponder");
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} else {
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out (2,"PID: %u (0x%04x)", pid, pid);
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}
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if (opt->rd_packet_count != 0) {
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out (2," - max packet count: %ld ", opt->rd_packet_count);
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}
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out_nl (2,"");
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out_nl (2,"---------------------------------------------------------");
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// -- open DVR device for reading
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pfd.events = POLLIN | POLLPRI;
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if((pfd.fd = open(opt->devDvr,O_RDONLY|O_NONBLOCK)) < 0){
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IO_error(opt->devDvr);
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return -1;
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}
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if ((dmxfd=open(opt->devDemux,O_RDWR)) < 0) {
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IO_error(opt->devDemux);
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close(pfd.fd);
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return -1;
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}
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ioctl (dmxfd,DMX_SET_BUFFER_SIZE, sizeof(buf));
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flt.pid = pid;
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flt.input = DMX_IN_FRONTEND;
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flt.output = DMX_OUT_TS_TAP;
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flt.pes_type = DMX_PES_OTHER;
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flt.flags = DMX_IMMEDIATE_START;
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if (ioctl(dmxfd, DMX_SET_PES_FILTER, &flt) < 0) {
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IO_error("DMX_SET_PES_FILTER");
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close(pfd.fd);
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close(dmxfd);
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return -1;
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}
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gettimeofday (&first_tv, NULL);
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last_tv.tv_sec = first_tv.tv_sec;
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last_tv.tv_usec = first_tv.tv_usec;
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b_total = 0;
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packets_total = 0;
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packets_bad = 0;
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while ( !isSigAbort() ) {
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int b_len, b_start;
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// -- we will poll the PID in 2 secs intervall
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int timeout = 2000;
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b_len = 0;
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b_start = 0;
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if (poll(&pfd, 1, timeout) > 0) {
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if (pfd.revents & POLLIN) {
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b_len = read(pfd.fd, buf, sizeof(buf));
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gettimeofday (&tv, NULL);
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if (b_len >= TS_LEN) {
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b_start = sync_ts (buf, b_len);
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} else {
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b_len = 0;
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}
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b = b_len - b_start;
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if (b == 0) continue;
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if (b < 0) {
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IO_error("read");
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continue;
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}
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b_total += b;
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// -- calc bandwidth
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{
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unsigned long long bit_s;
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long d_tim_ms;
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int packets;
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packets = b/TS_LEN;
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packets_total += packets;
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// output on different verbosity levels
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// -- current bandwidth
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d_tim_ms = delta_time_ms (&tv, &last_tv);
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if (d_tim_ms <= 0) d_tim_ms = 1; // ignore usecs
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out (3, "packets read: %3d/(%ld) d_time: %2ld.%03ld s = ",
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packets, packets_total, d_tim_ms / 1000UL, d_tim_ms % 1000UL);
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// -- current bandwidth in kbit/sec
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// --- cast to unsigned long long so it doesn't overflow as
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// --- early, add time / 2 before division for correct rounding
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bit_s = (((unsigned long long)b * 8000ULL) + ((unsigned long long)d_tim_ms / 2ULL))
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/ (unsigned long long)d_tim_ms;
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out (1, "%5llu.%03llu kbit/s", bit_s / 1000ULL, bit_s % 1000ULL);
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// -- average bandwidth
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d_tim_ms = delta_time_ms (&tv,&first_tv);
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if (d_tim_ms <= 0) d_tim_ms = 1; // ignore usecs
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bit_s = ((b_total * 8000ULL) + ((unsigned long long)d_tim_ms / 2ULL))
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/ (unsigned long long)d_tim_ms;
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last_avg.kb_sec = (unsigned long) (bit_s / 1000ULL);
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last_avg.b_sec = (unsigned long) (bit_s % 1000ULL);
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out (2, " (Avrg: %5lu.%03lu kbit/s)", last_avg.kb_sec, last_avg.b_sec);
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// -- bad packet(s) check in buffer
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{
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int bp;
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bp = ts_error_count (buf+b_start, b);
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packets_bad += bp;
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out (4, " [bad: %d]", bp);
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}
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out_NL (1);
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}
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last_tv.tv_sec = tv.tv_sec;
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last_tv.tv_usec = tv.tv_usec;
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// count packets ?
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if (opt->rd_packet_count > 0) {
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opt->rd_packet_count -= b/TS_LEN;
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if (opt->rd_packet_count <= 0) break;
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}
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}
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}
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}
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// -- packets stats
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out (4, "## ");
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if (opt->ts_raw_mode) { out (2,"PID: <ALL>");
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} else { out (2,"PID: %u (0x%04x)", pid, pid);
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}
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out (4, " bad/total packets: %ld/%ld (= %1.1Lf%%)",
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packets_bad, packets_total,
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(((long double) packets_bad)*100)/packets_total );
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out (4, " Avrg: %5lu.%03lu kbit/s",
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last_avg.kb_sec, last_avg.b_sec);
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out_NL(4);
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if (ioctl(dmxfd, DMX_STOP) < 0) {
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IO_error("DMX_STOP");
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}
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close(dmxfd);
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close(pfd.fd);
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return 0;
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}
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