143 lines
4.2 KiB
C
143 lines
4.2 KiB
C
/*
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* Frontend Status Monitor plugin for the Video Disk Recorder
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*
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* See the README file for copyright information and how to reach the author.
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*
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*/
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#include <unistd.h>
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#include "femontools.h"
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#include "femoncfg.h"
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#include "femonreceiver.h"
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cFemonReceiver::cFemonReceiver(tChannelID ChannelID, int Ca, int Vpid, int Apid[], int Dpid[])
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: cReceiver(ChannelID, -1, Vpid, Apid, Dpid, NULL),
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cThread("femon receiver"),
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m_Sleep(),
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m_Active(false),
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m_DetectH264(this),
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m_DetectMPEG(this, this),
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m_DetectAAC(this),
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m_DetectAC3(this),
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m_VideoPid(Vpid),
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m_VideoPacketCount(0),
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m_VideoBitrate(0.0),
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m_VideoValid(false),
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m_AudioPid(Apid[0]),
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m_AudioPacketCount(0),
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m_AudioBitrate(0.0),
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m_AudioValid(false),
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m_AC3Pid(Dpid[0]),
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m_AC3PacketCount(0),
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m_AC3Bitrate(0),
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m_AC3Valid(false)
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{
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Dprintf("%s()\n", __PRETTY_FUNCTION__);
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m_VideoInfo.codec = VIDEO_CODEC_INVALID;
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m_VideoInfo.format = VIDEO_FORMAT_INVALID;
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m_VideoInfo.scan = VIDEO_SCAN_INVALID;
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m_VideoInfo.aspectRatio = VIDEO_ASPECT_RATIO_INVALID;
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m_VideoInfo.width = 0;
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m_VideoInfo.height = 0;
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m_VideoInfo.frameRate = 0;
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m_VideoInfo.bitrate = AUDIO_BITRATE_INVALID;
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m_AudioInfo.codec = AUDIO_CODEC_UNKNOWN;
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m_AudioInfo.bitrate = AUDIO_BITRATE_INVALID;
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m_AudioInfo.samplingFrequency = AUDIO_SAMPLING_FREQUENCY_INVALID;
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m_AudioInfo.channelMode = AUDIO_CHANNEL_MODE_INVALID;
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m_AC3Info.bitrate = AUDIO_BITRATE_INVALID;
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m_AC3Info.samplingFrequency = AUDIO_SAMPLING_FREQUENCY_INVALID;
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m_AC3Info.bitstreamMode = AUDIO_BITSTREAM_MODE_INVALID;
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m_AC3Info.audioCodingMode = AUDIO_CODING_MODE_INVALID;
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m_AC3Info.dolbySurroundMode = AUDIO_DOLBY_SURROUND_MODE_INVALID;
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m_AC3Info.centerMixLevel = AUDIO_CENTER_MIX_LEVEL_INVALID;
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m_AC3Info.surroundMixLevel = AUDIO_SURROUND_MIX_LEVEL_INVALID;
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m_AC3Info.dialogLevel = 0;
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m_AC3Info.lfe = false;
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}
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cFemonReceiver::~cFemonReceiver(void)
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{
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Dprintf("%s()\n", __PRETTY_FUNCTION__);
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Deactivate();
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}
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void cFemonReceiver::Deactivate(void)
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{
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Dprintf("%s()\n", __PRETTY_FUNCTION__);
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if (m_Active) {
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m_Active = false;
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m_Sleep.Signal();
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if (Running())
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Cancel(3);
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Detach();
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}
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}
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void cFemonReceiver::Activate(bool On)
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{
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Dprintf("%s(%d)\n", __PRETTY_FUNCTION__, On);
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if (On)
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Start();
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else
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Deactivate();
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}
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void cFemonReceiver::Receive(uchar *Data, int Length)
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{
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// TS packet length: TS_SIZE
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if (Length == TS_SIZE) {
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int len, pid = TsPid(Data);
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if (pid == m_VideoPid) {
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m_VideoPacketCount++;
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if (TsPayloadStart(Data)) {
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while (const uint8_t *p = m_VideoAssembler.GetPes(len)) {
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if (m_DetectMPEG.processVideo(p, len) || m_DetectH264.processVideo(p, len)) {
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m_VideoValid = true;
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break;
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}
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}
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m_VideoAssembler.Reset();
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}
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m_VideoAssembler.PutTs(Data, Length);
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}
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else if (pid == m_AudioPid) {
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m_AudioPacketCount++;
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if (const uint8_t *p = m_AudioAssembler.GetPes(len)) {
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if (m_DetectAAC.processAudio(p, len) || m_DetectMPEG.processAudio(p, len))
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m_AudioValid = true;
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m_AudioAssembler.Reset();
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}
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m_AudioAssembler.PutTs(Data, Length);
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}
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else if (pid == m_AC3Pid) {
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m_AC3PacketCount++;
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if (const uint8_t *p = m_AC3Assembler.GetPes(len)) {
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if (m_DetectAC3.processAudio(p, len))
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m_AC3Valid = true;
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m_AC3Assembler.Reset();
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}
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m_AC3Assembler.PutTs(Data, Length);
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}
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}
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}
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void cFemonReceiver::Action(void)
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{
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Dprintf("%s()\n", __PRETTY_FUNCTION__);
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cTimeMs t;
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m_Active = true;
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while (Running() && m_Active) {
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t.Set(0);
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// TS packet 188 bytes - 4 byte header; MPEG standard defines 1Mbit = 1000000bit
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m_VideoBitrate = (10.0 * 8.0 * 184.0 * m_VideoPacketCount) / femonConfig.calcinterval;
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m_VideoPacketCount = 0;
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m_AudioBitrate = (10.0 * 8.0 * 184.0 * m_AudioPacketCount) / femonConfig.calcinterval;
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m_AudioPacketCount = 0;
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m_AC3Bitrate = (10.0 * 8.0 * 184.0 * m_AC3PacketCount) / femonConfig.calcinterval;
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m_AC3PacketCount = 0;
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m_Sleep.Wait(max((int)(100 * femonConfig.calcinterval - t.Elapsed()), 3));
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}
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}
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