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ff59839f7d
vdr-plugin-femon/tools.c
Rolf Ahrenberg ff59839f7d Added signal level units (Thanks to Winfried).
2019-10-27 16:50:01 +02:00

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/*
* tools.c: Frontend Status Monitor plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
*/
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#include <ctype.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "osd.h"
#include "receiver.h"
#include "tools.h"
static cString getCA(int valueP)
{
// http://www.dvb.org/index.php?id=174
// http://en.wikipedia.org/wiki/Conditional_access_system
switch (valueP) {
case 0x0000: return cString::sprintf("%s (%X)", trVDR("Free To Air"), valueP); // Reserved
case 0x0001 ... 0x009F:
case 0x00A2 ... 0x00FF: return cString::sprintf("%s (%X)", tr("Fixed"), valueP); // Standardized systems
case 0x00A0 ... 0x00A1: return cString::sprintf("%s (%X)", tr("Analog"), valueP); // Analog signals
case 0x0100 ... 0x01FF: return cString::sprintf("SECA Mediaguard (%X)", valueP); // Canal Plus
case 0x0464: return cString::sprintf("EuroDec (%X)", valueP); // EuroDec
case 0x0500 ... 0x05FF: return cString::sprintf("Viaccess (%X)", valueP); // France Telecom
case 0x0600 ... 0x06FF: return cString::sprintf("Irdeto (%X)", valueP); // Irdeto
case 0x0700 ... 0x07FF: return cString::sprintf("DigiCipher 2 (%X)", valueP); // Jerrold/GI/Motorola 4DTV
case 0x0900 ... 0x09FF: return cString::sprintf("NDS Videoguard (%X)", valueP); // NDS
case 0x0B00 ... 0x0BFF: return cString::sprintf("Conax (%X)", valueP); // Norwegian Telekom
case 0x0D00 ... 0x0DFF: return cString::sprintf("CryptoWorks (%X)", valueP); // Philips CryptoTec
case 0x0E00 ... 0x0EFF: return cString::sprintf("PowerVu (%X)", valueP); // Scientific Atlanta
case 0x1000: return cString::sprintf("RAS (%X)", valueP); // Tandberg Television
case 0x1200 ... 0x12FF: return cString::sprintf("NagraVision (%X)", valueP); // BellVu Express
case 0x1700 ... 0x17FF: return cString::sprintf("VCAS (%X)", valueP); // Verimatrix Inc. former BetaTechnik
case 0x1800 ... 0x18FF: return cString::sprintf("NagraVision (%X)", valueP); // Kudelski SA
case 0x22F0: return cString::sprintf("Codicrypt (%X)", valueP); // Scopus Network Technologies
case 0x2600: return cString::sprintf("BISS (%X)", valueP); // European Broadcasting Union
case 0x2719: return cString::sprintf("VanyaCas (%X)", valueP); // S-Curious Research & Technology Pvt. Ltd.
case 0x4347: return cString::sprintf("CryptOn (%X)", valueP); // CryptOn
case 0x4800: return cString::sprintf("Accessgate (%X)", valueP); // Telemann
case 0x4900: return cString::sprintf("China Crypt (%X)", valueP); // CryptoWorks
case 0x4A02: return cString::sprintf("Tongfang (%X)", valueP); // Tsinghua Tongfang Company
case 0x4A10: return cString::sprintf("EasyCas (%X)", valueP); // EasyCas
case 0x4A20: return cString::sprintf("AlphaCrypt (%X)", valueP); // AlphaCrypt
case 0x4A60: return cString::sprintf("SkyCrypt (%X)", valueP); // @Sky
case 0x4A61: return cString::sprintf("Neotioncrypt (%X)", valueP); // Neotion
case 0x4A62: return cString::sprintf("SkyCrypt (%X)", valueP); // @Sky
case 0x4A63: return cString::sprintf("Neotion SHL (%X)", valueP); // Neotion
case 0x4A64 ... 0x4A6F: return cString::sprintf("SkyCrypt (%X)", valueP); // @Sky
case 0x4A70: return cString::sprintf("DreamCrypt (%X)", valueP); // Dream Multimedia
case 0x4A80: return cString::sprintf("ThalesCrypt (%X)", valueP); // Thales Broadcast & Multimedia
case 0x4AA1: return cString::sprintf("KeyFly (%X)", valueP); // SIDSA
case 0x4ABF: return cString::sprintf("CTI-CAS (%X)", valueP); // Beijing Compunicate Technology Inc.
case 0x4AC1: return cString::sprintf("Latens (%X)", valueP); // Latens Systems
case 0x4AD0 ... 0x4AD1: return cString::sprintf("X-Crypt (%X)", valueP); // XCrypt Inc.
case 0x4AD4: return cString::sprintf("OmniCrypt (%X)", valueP); // Widevine Technologies, Inc.
case 0x4AE0 ... 0x4AE1: return cString::sprintf("Z-Crypt (%X)", valueP); // Digi Raum Electronics Co. Ltd.
case 0x4AE4: return cString::sprintf("CoreCrypt (%X)", valueP); // CoreTrust
case 0x4AE5: return cString::sprintf("PRO-Crypt (%X)", valueP); // IK SATPROF
case 0x4AEA: return cString::sprintf("Cryptoguard (%X)", valueP); // Gryptoguard AB
case 0x4AEB: return cString::sprintf("Abel Quintic (%X)", valueP); // Abel DRM Systems
case 0x4AF0: return cString::sprintf("ABV (%X)", valueP); // Alliance Broadcast Vision
case 0x5500: return cString::sprintf("Z-Crypt (%X)", valueP); // Digi Raum Electronics Co. Ltd.
case 0x5501: return cString::sprintf("Griffin (%X)", valueP); // Nucleus Systems Ltd.
case 0x5581: return cString::sprintf("Bulcrypt (%X)", valueP); // Bulcrypt
case 0x7BE1: return cString::sprintf("DRE-Crypt (%X)", valueP); // DRE-Crypt
case 0xA101: return cString::sprintf("RosCrypt-M (%X)", valueP); // NIIR
case 0xEAD0: return cString::sprintf("VanyaCas (%X)", valueP); // S-Curious Research & Technology Pvt. Ltd.
default: break;
}
return cString::sprintf("%X", valueP);
}
static const char *getUserString(int valueP, const tDvbParameterMap *mapP)
{
const tDvbParameterMap *map = mapP;
while (map && map->userValue != -1) {
if (map->driverValue == valueP)
return map->userString ? trVDR(map->userString) : "---";
map++;
}
return "---";
}
cString getFrontendInfo(cDevice *deviceP)
{
const cChannel *channel;
int status, valid = DTV_STAT_VALID_NONE;
cString info = "";
double signal = 0, cnr = 0, ber = 0, per = 0;
if (!deviceP)
return info;
info = cString::sprintf("CARD:%d\nSTRG:%d\nQUAL:%d\nTYPE:%s\nNAME:%s", deviceP->CardIndex(), deviceP->SignalStrength(), deviceP->SignalQuality(), *deviceP->DeviceType(), *deviceP->DeviceName());
if (deviceP && deviceP->SignalStats(valid, &signal, &cnr, NULL, &ber, &per, &status)) {
if (valid & DTV_STAT_VALID_STATUS)
info = cString::sprintf("%s\nSTAT:%04X", *info, status);
if (valid & DTV_STAT_VALID_STRENGTH)
info = cString::sprintf("%s\nSGNL:%s", *info, *dtoa(signal, "%.2f"));
if (valid & DTV_STAT_VALID_CNR)
info = cString::sprintf("%s\nCNRA:%s", *info, *dtoa(cnr, "%.2f"));
if (valid & DTV_STAT_VALID_BERPOST)
info = cString::sprintf("%s\nBERA:%s", *info, *dtoa(ber, "%.0f"));
if (valid & DTV_STAT_VALID_PER)
info = cString::sprintf("%s\nPERA:%s", *info, *dtoa(per, "%.0f"));
}
if (cFemonOsd::Instance())
info = cString::sprintf("%s\nVIBR:%s\nAUBR:%s\nDDBR:%s", *info, *dtoa(cFemonOsd::Instance()->GetVideoBitrate(), "%.0f"), *dtoa(cFemonOsd::Instance()->GetAudioBitrate(), "%.0f"), *dtoa(cFemonOsd::Instance()->GetDolbyBitrate(), "%.0f"));
LOCK_CHANNELS_READ;
channel = Channels->GetByNumber(cDevice::CurrentChannel());
if (channel)
info = cString::sprintf("%s\nCHAN:%s", *info, *channel->ToText());
return info;
}
cString getFrontendName(cDevice *deviceP)
{
if (!deviceP)
return NULL;
return (cString::sprintf("%s on deviceP #%d", *deviceP->DeviceName(), deviceP->CardIndex()));
}
cString getFrontendStatus(cDevice *deviceP)
{
int status;
int valid = DTV_STAT_VALID_NONE;
if (deviceP && deviceP->SignalStats(valid, NULL, NULL, NULL, NULL, NULL, &status)) {
if (valid & DTV_STAT_VALID_STATUS)
return (cString::sprintf("Status %s:%s:%s:%s:%s on deviceP #%d", (status & DTV_STAT_HAS_LOCK) ? "LOCKED" : "-", (status & DTV_STAT_HAS_SIGNAL) ? "SIGNAL" : "-", (status & DTV_STAT_HAS_CARRIER) ? "CARRIER" : "-", (status & DTV_STAT_HAS_VITERBI) ? "VITERBI" : "-", (status & DTV_STAT_HAS_SYNC) ? "SYNC" : "-", deviceP->CardIndex()));
}
return NULL;
}
double getSignal(cDevice *deviceP)
{
double strength;
int valid = DTV_STAT_VALID_NONE;
if (deviceP && deviceP->SignalStats(valid, &strength, NULL, NULL, NULL, NULL, NULL)) {
if (valid & DTV_STAT_VALID_STRENGTH)
return strength;
}
return 0;
}
double getCNR(cDevice *deviceP)
{
double cnr;
int valid = DTV_STAT_VALID_NONE;
if (deviceP && deviceP->SignalStats(valid, NULL, &cnr, NULL, NULL, NULL, NULL)) {
if (valid & DTV_STAT_VALID_CNR)
return cnr;
}
return 0;
}
double getBER(cDevice *deviceP)
{
double ber;
int valid = DTV_STAT_VALID_NONE;
if (deviceP && deviceP->SignalStats(valid, NULL, NULL, NULL, &ber, NULL, NULL)) {
if (valid & DTV_STAT_VALID_BERPOST)
return ber;
}
return 0;
}
double getPER(cDevice *deviceP)
{
double per;
int valid = DTV_STAT_VALID_NONE;
if (deviceP && deviceP->SignalStats(valid, NULL, NULL, NULL, NULL, &per, NULL)) {
if (valid & DTV_STAT_VALID_PER)
return per;
}
return 0;
}
cString getSignalStrength(double strengthP)
{
switch (FemonConfig.GetSignalUnit()) {
case eFemonSignalUnitdBm: return cString::sprintf("%.2f %s", strengthP, tr("dBm"));
case eFemonSignalUnitdBuV: return cString::sprintf("%.2f %s", strengthP + (120 - 11.25), tr("dBuV"));
case eFemonSignalUnitdBV: return cString::sprintf("%.2f %s", strengthP - 11.25, tr("dBV"));
default: break;
}
return cString::sprintf("---");
}
cString getApids(const cChannel *channelP)
{
int value = 0;
cString apids = cString::sprintf("%d", channelP->Apid(value));
while (channelP->Apid(++value) && (value < MAXAPIDS))
apids = cString::sprintf("%s, %d", *apids, channelP->Apid(value));
return apids;
}
cString getDpids(const cChannel *channelP)
{
int value = 0;
cString dpids = cString::sprintf("%d", channelP->Dpid(value));
while (channelP->Dpid(++value) && (value < MAXDPIDS))
dpids = cString::sprintf("%s, %d", *dpids, channelP->Dpid(value));
return dpids;
}
cString getSpids(const cChannel *channelP)
{
int value = 0;
cString spids = cString::sprintf("%d", channelP->Spid(value));
while (channelP->Spid(++value) && (value < MAXSPIDS))
spids = cString::sprintf("%s, %d", *spids, channelP->Spid(value));
return spids;
}
cString getCAids(const cChannel *channelP)
{
int value = 0;
cString caids = cString::sprintf("%s", *getCA(channelP->Ca(value)));
while (channelP->Ca(++value) && (value < MAXCAIDS))
caids = cString::sprintf("%s, %s", *caids, *getCA(channelP->Ca(value)));
return caids;
}
cString getVideoStream(int value)
{
if (value != 0)
return cString::sprintf("#%d", value);
return cString::sprintf("---");
}
cString getAudioStream(int valueP, const cChannel *channelP)
{
int pid = 0;
if (IS_AUDIO_TRACK(valueP))
pid = int(valueP - ttAudioFirst);
if (channelP && channelP->Apid(pid)) {
if (channelP->Alang(pid))
return cString::sprintf("#%d (%s)", channelP->Apid(pid), channelP->Alang(pid));
else
return cString::sprintf("#%d", channelP->Apid(pid));
}
return cString::sprintf("---");
}
cString getAC3Stream(int valueP, const cChannel *channelP)
{
int pid = 0;
if (IS_DOLBY_TRACK(valueP))
pid = int(valueP - ttDolbyFirst);
if (channelP && channelP->Dpid(pid)) {
if (channelP->Dlang(pid))
return cString::sprintf("#%d (%s)", channelP->Dpid(pid), channelP->Dlang(pid));
else
return cString::sprintf("#%d", channelP->Dpid(pid));
}
return cString::sprintf("---");
}
cString getVideoCodec(int valueP)
{
switch (valueP) {
case VIDEO_CODEC_MPEG2: return cString::sprintf("%s", tr("MPEG-2"));
case VIDEO_CODEC_H264: return cString::sprintf("%s", tr("H.264"));
case VIDEO_CODEC_H265: return cString::sprintf("%s", tr("H.265"));
default: break;
}
return cString::sprintf("---");
}
cString getAudioCodec(int valueP)
{
switch (valueP) {
case AUDIO_CODEC_MPEG1_I: return cString::sprintf("%s", tr("MPEG-1 Layer I"));
case AUDIO_CODEC_MPEG1_II: return cString::sprintf("%s", tr("MPEG-1 Layer II"));
case AUDIO_CODEC_MPEG1_III: return cString::sprintf("%s", tr("MPEG-1 Layer III"));
case AUDIO_CODEC_MPEG2_I: return cString::sprintf("%s", tr("MPEG-2 Layer I"));
case AUDIO_CODEC_MPEG2_II: return cString::sprintf("%s", tr("MPEG-2 Layer II"));
case AUDIO_CODEC_MPEG2_III: return cString::sprintf("%s", tr("MPEG-2 Layer III"));
case AUDIO_CODEC_HEAAC: return cString::sprintf("%s", tr("HE-AAC"));
case AUDIO_CODEC_LATM: return cString::sprintf("%s", tr("LATM"));
default: break;
}
return cString::sprintf("---");
}
cString getAudioChannelMode(int valueP)
{
switch (valueP) {
case AUDIO_CHANNEL_MODE_STEREO: return cString::sprintf("%s", tr("stereo"));
case AUDIO_CHANNEL_MODE_JOINT_STEREO: return cString::sprintf("%s", tr("joint Stereo"));
case AUDIO_CHANNEL_MODE_DUAL: return cString::sprintf("%s", tr("dual"));
case AUDIO_CHANNEL_MODE_SINGLE: return cString::sprintf("%s", tr("mono"));
default: break;
}
return cString::sprintf("---");
}
cString getCoderate(int valueP)
{
return cString::sprintf("%s", getUserString(valueP, CoderateValues));
}
cString getTransmission(int valueP)
{
return cString::sprintf("%s", getUserString(valueP, TransmissionValues));
}
cString getBandwidth(int valueP)
{
return cString::sprintf("%s", getUserString(valueP, BandwidthValues));
}
cString getInversion(int valueP)
{
return cString::sprintf("%s", getUserString(valueP, InversionValues));
}
cString getHierarchy(int valueP)
{
return cString::sprintf("%s", getUserString(valueP, HierarchyValues));
}
cString getGuard(int valueP)
{
return cString::sprintf("%s", getUserString(valueP, GuardValues));
}
cString getModulation(int valueP)
{
return cString::sprintf("%s", getUserString(valueP, ModulationValues));
}
cString getTerrestrialSystem(int valueP)
{
return cString::sprintf("%s", getUserString(valueP, SystemValuesTerr));
}
cString getSatelliteSystem(int valueP)
{
return cString::sprintf("%s", getUserString(valueP, SystemValuesSat));
}
cString getRollOff(int valueP)
{
return cString::sprintf("%s", getUserString(valueP, RollOffValues));
}
cString getPilot(int valueP)
{
return cString::sprintf("%s", getUserString(valueP, PilotValues));
}
cString getResolution(int widthP, int heightP, int scanP)
{
if ((widthP > 0) && (heightP > 0)) {
switch (scanP) {
case VIDEO_SCAN_INTERLACED: return cString::sprintf("%dx%d %s", widthP, heightP, tr("interlaced"));
case VIDEO_SCAN_PROGRESSIVE: return cString::sprintf("%dx%d %s", widthP, heightP, tr("progressive"));
default: return cString::sprintf("%dx%d", widthP, heightP);
}
}
return cString::sprintf("---");
}
cString getAspectRatio(int valueP)
{
switch (valueP) {
case VIDEO_ASPECT_RATIO_RESERVED: return cString::sprintf("%s", tr("reserved"));
case VIDEO_ASPECT_RATIO_EXTENDED: return cString::sprintf("%s", tr("extended"));
case VIDEO_ASPECT_RATIO_1_1: return cString::sprintf("1:1");
case VIDEO_ASPECT_RATIO_4_3: return cString::sprintf("4:3");
case VIDEO_ASPECT_RATIO_16_9: return cString::sprintf("16:9");
case VIDEO_ASPECT_RATIO_2_21_1: return cString::sprintf("2.21:1");
case VIDEO_ASPECT_RATIO_12_11: return cString::sprintf("12:11");
case VIDEO_ASPECT_RATIO_10_11: return cString::sprintf("10:11");
case VIDEO_ASPECT_RATIO_16_11: return cString::sprintf("16:11");
case VIDEO_ASPECT_RATIO_40_33: return cString::sprintf("40:33");
case VIDEO_ASPECT_RATIO_24_11: return cString::sprintf("24:11");
case VIDEO_ASPECT_RATIO_20_11: return cString::sprintf("20:11");
case VIDEO_ASPECT_RATIO_32_11: return cString::sprintf("32:11");
case VIDEO_ASPECT_RATIO_80_33: return cString::sprintf("80:33");
case VIDEO_ASPECT_RATIO_18_11: return cString::sprintf("18:11");
case VIDEO_ASPECT_RATIO_15_11: return cString::sprintf("15:11");
case VIDEO_ASPECT_RATIO_64_33: return cString::sprintf("64:33");
case VIDEO_ASPECT_RATIO_160_99: return cString::sprintf("160:99");
case VIDEO_ASPECT_RATIO_3_2: return cString::sprintf("3:2");
case VIDEO_ASPECT_RATIO_2_1: return cString::sprintf("2:1");
default: break;
}
return cString::sprintf("---");
}
cString getVideoFormat(int valueP)
{
switch (valueP) {
case VIDEO_FORMAT_UNKNOWN: return cString::sprintf("%s", tr("unknown"));
case VIDEO_FORMAT_RESERVED: return cString::sprintf("%s", tr("reserved"));
case VIDEO_FORMAT_COMPONENT: return cString::sprintf("%s", tr("component"));
case VIDEO_FORMAT_PAL: return cString::sprintf("%s", tr("PAL"));
case VIDEO_FORMAT_NTSC: return cString::sprintf("%s", tr("NTSC"));
case VIDEO_FORMAT_SECAM: return cString::sprintf("%s", tr("SECAM"));
case VIDEO_FORMAT_MAC: return cString::sprintf("%s", tr("MAC"));
default: break;
}
return cString::sprintf("---");
}
cString getFrameRate(double valueP)
{
if (valueP > 0)
return cString::sprintf("%.2f %s", valueP, tr("Hz"));
return cString::sprintf("---");
}
cString getAC3BitStreamMode(int valueP, int codingP)
{
switch (valueP) {
case AUDIO_BITSTREAM_MODE_CM: return cString::sprintf("%s", tr("Complete Main (CM)"));
case AUDIO_BITSTREAM_MODE_ME: return cString::sprintf("%s", tr("Music and Effects (ME)"));
case AUDIO_BITSTREAM_MODE_VI: return cString::sprintf("%s", tr("Visually Impaired (VI)"));
case AUDIO_BITSTREAM_MODE_HI: return cString::sprintf("%s", tr("Hearing Impaired (HI)"));
case AUDIO_BITSTREAM_MODE_D: return cString::sprintf("%s", tr("Dialogue (D)"));
case AUDIO_BITSTREAM_MODE_C: return cString::sprintf("%s", tr("Commentary (C)"));
case AUDIO_BITSTREAM_MODE_E: return cString::sprintf("%s", tr("Emergency (E)"));
case AUDIO_BITSTREAM_MODE_VO_KAR: return cString::sprintf("%s", (codingP == 1) ? tr("Voice Over (VO)") : tr("Karaoke"));
default: break;
}
return cString::sprintf("---");
}
cString getAC3AudioCodingMode(int valueP, int streamP)
{
if (streamP != 7) {
switch (valueP) {
case AUDIO_CODING_MODE_1_1: return cString::sprintf("1+1 - %s, %s", tr("Ch1"), tr("Ch2"));
case AUDIO_CODING_MODE_1_0: return cString::sprintf("1/0 - %s", tr("C"));
case AUDIO_CODING_MODE_2_0: return cString::sprintf("2/0 - %s, %s", tr("L"), tr("R"));
case AUDIO_CODING_MODE_3_0: return cString::sprintf("3/0 - %s, %s, %s", tr("L"), tr("C"), tr("R"));
case AUDIO_CODING_MODE_2_1: return cString::sprintf("2/1 - %s, %s, %s", tr("L"), tr("R"), tr("S"));
case AUDIO_CODING_MODE_3_1: return cString::sprintf("3/1 - %s, %s, %s, %s", tr("L"), tr("C"), tr("R"), tr("S"));
case AUDIO_CODING_MODE_2_2: return cString::sprintf("2/2 - %s, %s, %s, %s", tr("L"), tr("R"), tr("SL"), tr("SR"));
case AUDIO_CODING_MODE_3_2: return cString::sprintf("3/2 - %s, %s, %s, %s, %s", tr("L"), tr("C"), tr("R"), tr("SL"), tr("SR"));
default: break;
}
}
return cString::sprintf("---");
}
cString getAC3CenterMixLevel(int valueP)
{
switch (valueP) {
case AUDIO_CENTER_MIX_LEVEL_MINUS_3dB: return cString::sprintf("-3.0 %s", tr("dB"));
case AUDIO_CENTER_MIX_LEVEL_MINUS_4_5dB: return cString::sprintf("-4.5 %s", tr("dB"));
case AUDIO_CENTER_MIX_LEVEL_MINUS_6dB: return cString::sprintf("-6.0 %s", tr("dB"));
case AUDIO_CENTER_MIX_LEVEL_RESERVED: return cString::sprintf("%s", tr("reserved"));
default: break;
}
return cString::sprintf("---");
}
cString getAC3SurroundMixLevel(int valueP)
{
switch (valueP) {
case AUDIO_SURROUND_MIX_LEVEL_MINUS_3dB: return cString::sprintf("-3 %s", tr("dB"));
case AUDIO_SURROUND_MIX_LEVEL_MINUS_6dB: return cString::sprintf("-6 %s", tr("dB"));
case AUDIO_SURROUND_MIX_LEVEL_0_dB: return cString::sprintf("0 %s", tr("dB"));
case AUDIO_SURROUND_MIX_LEVEL_RESERVED: return cString::sprintf("%s", tr("reserved"));
default: break;
}
return cString::sprintf("---");
}
cString getAC3DolbySurroundMode(int valueP)
{
switch (valueP) {
case AUDIO_DOLBY_SURROUND_MODE_NOT_INDICATED: return cString::sprintf("%s", tr("not indicated"));
case AUDIO_DOLBY_SURROUND_MODE_NOT_DOLBYSURROUND: return cString::sprintf("%s", trVDR("no"));
case AUDIO_DOLBY_SURROUND_MODE_DOLBYSURROUND: return cString::sprintf("%s", trVDR("yes"));
case AUDIO_DOLBY_SURROUND_MODE_RESERVED: return cString::sprintf("%s", tr("reserved"));
default: break;
}
return cString::sprintf("---");
}
cString getAC3DialogLevel(int valueP)
{
if (valueP > 0)
return cString::sprintf("-%d %s", valueP, tr("dB"));
return cString::sprintf("---");
}
cString getFrequencyMHz(int valueP)
{
double freq = valueP;
while (freq > 20000.0) freq /= 1000.0;
return cString::sprintf("%s %s", *dtoa(freq, "%lg"), tr("MHz"));
}
cString getAudioSamplingFreq(int valueP)
{
switch (valueP) {
case AUDIO_SAMPLING_FREQUENCY_INVALID: return cString::sprintf("---");
case AUDIO_SAMPLING_FREQUENCY_RESERVED: return cString::sprintf("%s", tr("reserved"));
default: break;
}
return cString::sprintf("%d %s", valueP, tr("Hz"));
}
cString getAudioBitrate(double valueP, double streamP)
{
switch ((int)streamP) {
case AUDIO_BITRATE_INVALID: return cString::sprintf("---");
case AUDIO_BITRATE_RESERVED: return cString::sprintf("%s (%s)", tr("reserved"), *getBitrateKbits(valueP));
case AUDIO_BITRATE_FREE: return cString::sprintf("%s (%s)", tr("free"), *getBitrateKbits(valueP));
default: break;
}
return cString::sprintf("%s (%s)", *getBitrateKbits(streamP), *getBitrateKbits(valueP));
}
cString getVideoBitrate(double valueP, double streamP)
{
return cString::sprintf("%s (%s)", *getBitrateMbits(streamP), *getBitrateMbits(valueP));
}
cString getBitrateMbits(double valueP)
{
if (valueP > 0)
return cString::sprintf("%.2f %s", valueP / 1000000.0, tr("Mbit/s"));
return cString::sprintf("---");
}
cString getBitrateKbits(double valueP)
{
if (valueP > 0)
return cString::sprintf("%.0f %s", valueP / 1000.0, tr("kbit/s"));
return cString::sprintf("---");
}
// --- cFemonBitStream -------------------------------------------------------
uint32_t cFemonBitStream::GetUeGolomb()
{
int n = 0;
while (!GetBit() && (n < 32))
n++;
return (n ? ((1 << n) - 1) + GetBits(n) : 0);
}
int32_t cFemonBitStream::GetSeGolomb()
{
uint32_t r = GetUeGolomb() + 1;
return ((r & 1) ? -(r >> 1) : (r >> 1));
}
void cFemonBitStream::SkipGolomb()
{
int n = 0;
while (!GetBit() && (n < 32))
n++;
SkipBits(n);
}
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