ITS_OP/VmsCmraViewer/SRC/FrmCameraPlayerF.cpp

//---------------------------------------------------------------------------

#include <vcl.h>
#include "AppGlobalF.h"
#include "FrmCameraPlayerF.h"
#include "FrmCameraFullScreenF.h"
#include "FrmCameraInfoF.h"
#include "FrmCameraScreenF.h"
#pragma hdrstop

//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma link "dxGDIPlusClasses"
#pragma link "PasLibVlcPlayerUnit"
#pragma resource "*.dfm"

TFrmCameraPlayer *FrmCameraPlayer = NULL;
//---------------------------------------------------------------------------
__fastcall TFrmCameraPlayer::TFrmCameraPlayer(TComponent* Owner)
    : TForm(Owner)
{
    IsTerm = false;
    FPlay = false;
    FUserStop = false;
    FConHandle = 0;

    FFullScreen = false;

    FParent = this->Parent;
    PnlCamera->Tag = (int)this;
    FTimeChangeTick = 0;
    TmrReset->Enabled = false;
    TmrTick->Enabled = false;
    SetResetTimer();
    FIsResetVideo = false;

    //mmLog->Lines->Clear();
}
//---------------------------------------------------------------------------
void __fastcall TFrmCameraPlayer::SetResetTimer()
{
    if (g_AppCfg.cmraViewerResetMin > 0) {
        TmrReset->Interval = g_AppCfg.cmraViewerResetMin * 60 * 1000;
    }
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::TmrShowTimer(TObject *Sender)
{
    TmrShow->Enabled = false;
    if (IsTerm) {
        return;
    }

    if (Installed)
    {
        PopupMenu = PopupMenu1;
        ImgNoData->Visible = false;
        //PnlName->Caption = CTLR_NMBR + ": " + NAME;
        PnlName->Caption = " " + NAME;
        Play();
    }
    else
    {
        PasLibVlcPlayer1->Visible = false;
        PopupMenu = NULL;
        PnlCamera->Caption = " " + NAME;
        LoadEmptyImage();
    }
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::LoadEmptyImage()
{
    try
    {
#if 0
        String sImageFile = g_AppCfg.sEmptyImg;
        if (sImageFile != "")
        {
            ImgNoData->Picture->LoadFromFile(sImageFile);
            ImgNoData->Align = alClient;
        }
#endif
        ImgNoData->Visible = true;
    }
    catch(Exception &e)
    {
        ImgNoData->Visible = true;
    }
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::FormShow(TObject *Sender)
{
    Refresh();
    this->FLastBounds = this->BoundsRect;
//    TmrShow->Enabled = true;
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::FormClose(TObject *Sender, TCloseAction &Action)
{
    try {
        FUserStop = false;
        TmrTick->Enabled = false;
        Stop();
    } catch(...) {}

    Action = caFree;
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::FormDestroy(TObject *Sender)
{
    try {
        FUserStop = false;
        TmrTick->Enabled = false;
        Stop();
    } catch(...) {}
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::MnuConnectClick(TObject *Sender)
{
    FPlay = false;
    FUserStop = false;
    Application->ProcessMessages();
    Play();
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::MnuDisconnectClick(TObject *Sender)
{
    PasLibVlcPlayer1->Visible = false;
    PasLibVlcPlayer1->Refresh();
    PnlCamera->Refresh();

    FUserStop = true;
    Application->ProcessMessages();
    Stop();
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::AutoPlay()
{
    TmrShow->Enabled = true;
}
//---------------------------------------------------------------------------
void __fastcall TFrmCameraPlayer::CameraLog(String ALogMsg)
{
    PnlCamera->Caption = ALogMsg;
    PnlCamera->Refresh();

    Application->ProcessMessages();
}
//---------------------------------------------------------------------------
void __fastcall TFrmCameraPlayer::CameraInfo(String ALogInfo)
{
    //lblRate->Caption = ALogInfo;
    //lblRate->Refresh();
    Application->ProcessMessages();
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::Play()
{
    if (FPlay) return;

    if (PasLibVlcPlayer1->Visible) {
        PasLibVlcPlayer1->Visible = false;
    }

    Stop();

    if (STRM_ADDR == "") {
        CameraLog("### 영상정보가 없습니다 ###");
        return;
    }

    CameraLog("--- 영상 연결 중 ---");
    try
    {
        ///--udp-caching=500 --tcp-caching=500 --realrtsp-caching=500
        //ffplay.exe rtsp://224.1.1.1:8086 -fflags nobuffer -flags low_delay -avioflags direct -fflags discardcorrupt

        //PasLibVlcPlayer1->VLC->Path = "plugins";
        //PasLibVlcPlayer1->VLC->AddOption("http-caching=300");
        PasLibVlcPlayer1->VLC->AddOption("live-capture-caching=300");
        PasLibVlcPlayer1->VLC->AddOption("file-caching=300");
        PasLibVlcPlayer1->VLC->AddOption("disk-caching=300");
        PasLibVlcPlayer1->VLC->AddOption("network-caching=300");
        //PasLibVlcPlayer1->VLC->AddOption("avcodec-hw=none");
        //PasLibVlcPlayer1->VLC->AddOption("avcodec-hw={any,d3d11va,dxva2,none}");
        //PasLibVlcPlayer1->VLC->AddOption("avcodec-threads=0");
        //PasLibVlcPlayer1->VLC->AddOption("no-sout-all");
        //PasLibVlcPlayer1->VLC->AddOption("sout-keep");

        //PasLibVlcPlayer1->VLC->AddOption(":file-caching=300");
        //PasLibVlcPlayer1->VLC->AddOption(":network-caching=300");
        //PasLibVlcPlayer1->VLC->AddOption(":avcodec-hw=none");
        //PasLibVlcPlayer1->VLC->AddOption("--avcodec-threads=0");
        //PasLibVlcPlayer1->VLC->AddOption(":no-sout-all");
        //PasLibVlcPlayer1->VLC->AddOption(":sout-keep");

        PasLibVlcPlayer1->Play(STRM_ADDR);
        FConHandle = 1;

        Application->ProcessMessages();
        AdjustVideoFit();

        if (FConHandle > 0)
        {
            if (ImgNoData->Visible == true) {
                ImgNoData->Visible = false;
            }
        }

        //PnlName->Caption = libvlc_get_install_path();

        Application->ProcessMessages();
    }
    catch(Exception &e)
    {
    }
    FPlay = true;
}
//---------------------------------------------------------------------------
void __fastcall TFrmCameraPlayer::Stop()
{
    TmrReset->Enabled = false;
    TmrTick->Enabled = false;

    if (!FPlay) return;

    FPlay = false;
    if (STRM_ADDR == "") {
        return;
    }

    CameraLog("--- 영상 연결 해제 ---");
    try
    {
        if (FConHandle > 0)
        {
            PasLibVlcPlayer1->Stop();
        }
        Application->ProcessMessages();
        FConHandle = 0;
    }
    catch(Exception &e)
    {
    }

    CameraLog("*** 영상 연결 종료 ***");
    FConHandle = 0;
    FPlay = false;
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::AdjustVideoFit()
{
    try {
        if (FConHandle > 0 && PasLibVlcPlayer1->IsPlay()) {
            String ratioData = IntToStr(PasLibVlcPlayer1->Width) + ":" + IntToStr(PasLibVlcPlayer1->Height);
            PasLibVlcPlayer1->SetVideoAspectRatio(ratioData);
        }
    }
    catch(Exception &e) {
    }
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::Term()
{
    IsTerm = true;
    Stop();
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::InitCamera(bool AInstalled, String ACtlrNmbr, String AName, String AStrmAddr, String AFullStrmAddr, int AViewMode)
{
    Installed      = AInstalled;
    CTLR_NMBR      = ACtlrNmbr;
    NAME           = AName;
    STRM_ADDR      = AStrmAddr;
    FULL_STRM_ADDR = AFullStrmAddr;
    VIEW_MODE      = AViewMode;

    Caption = NAME;
    PnlName->Caption = NAME;
    PnlCamera->Caption = AStrmAddr;
    FUserStop = false;
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::PasLibVlcPlayer1DblClick(TObject *Sender)
{
    FrmCameraScreen->TmrFullScreen->Enabled = false;
    FrmCameraScreen->FFullScreenIdx = Tag;
    FrmCameraScreen->TmrFullScreen->Enabled = true;
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::MnuInfoClick(TObject *Sender)
{
    FrmCameraInfo = new TFrmCameraInfo(this);
    FrmCameraInfo->Edit1->Text = CTLR_NMBR;
    FrmCameraInfo->Edit2->Text = NAME;
    FrmCameraInfo->Edit3->Text = STRM_ADDR;
    FrmCameraInfo->Edit4->Text = FULL_STRM_ADDR;
    FrmCameraInfo->ShowModal();
    delete FrmCameraInfo;
    FrmCameraInfo = NULL;
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::PasLibVlcPlayer1MediaPlayerOpening(TObject *Sender)
{
    // 1. Opening
    if (PasLibVlcPlayer1->Visible == false) {
        PasLibVlcPlayer1->Visible = true;
        PnlCamera->Refresh();
        AdjustVideoFit();
    }
    if (ImgNoData->Visible == true) {
        ImgNoData->Visible = false;
    }
    FTimeChangeTick = 0;
    //CameraInfo("PlayerOpening");
    // 영상이 연결됨
    //AdjustVideoFit();
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::PasLibVlcPlayer1MediaPlayerPlaying(TObject *Sender)
{
    // 2. Playing
    //CameraInfo("PlayerPlaying");
    FTimeChangeTick = 0;
    FUserStop = false;
    TmrTick->Enabled = false;

    AdjustVideoFit();

    TmrReset->Enabled = false;
    FIsResetVideo = false;

    if (g_AppCfg.cmraViewerDelaySec > 0) {
        TmrTick->Enabled = true;
    }

    if (g_AppCfg.cmraViewerResetMin > 0) {
        SetResetTimer();
        TmrReset->Enabled = true;
    }
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::PasLibVlcPlayer1MediaPlayerTimeChanged(TObject *Sender, __int64 time)
{
    // 3. TimeChanged
    FTimeChangeTick = GetTickCount();
}
//---------------------------------------------------------------------------


void __fastcall TFrmCameraPlayer::PasLibVlcPlayer1MediaPlayerMediaChanged(TObject *Sender, UnicodeString mrl)
{
    // 스트리밍 변경됨
    CameraLog("@@@ 영상 연결 중.. @@@");
    //AdjustVideoFit();
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::PasLibVlcPlayer1MediaPlayerEncounteredError(TObject *Sender)
{
    // 에러가 발생하고 PlayerStopped 이벤트가 발생됨
    if (PasLibVlcPlayer1->Visible) {
        PasLibVlcPlayer1->Visible = false;
    }
    CameraLog("@@@ 영상 표출 오류 @@@");
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::PasLibVlcPlayer1MediaPlayerStopped(TObject *Sender)
{
    if (FIsResetVideo == false) {
        CameraLog("@@@ 영상 표출이 종료됨 @@@");
    }

    if (FUserStop) {
        if (PasLibVlcPlayer1->Visible) {
            PasLibVlcPlayer1->Visible = false;
        }
    }

    FPlay = false;

    if (FIsResetVideo == false && FUserStop == false) {
        TmrShow->Enabled = false;
        TmrShow->Interval = 1000;
        TmrShow->Enabled = true;
    }
}
//---------------------------------------------------------------------------
void __fastcall TFrmCameraPlayer::TmrResetTimer(TObject *Sender)
{
    TmrReset->Enabled = false;
    //CameraInfo("TmrReset");
    if (FUserStop == false) {
        ResetVideoCamera();
    }
}
//---------------------------------------------------------------------------
void __fastcall TFrmCameraPlayer::ResetVideoCamera()
{
    TmrReset->Enabled = false;
    FIsResetVideo = true;
    try
    {
        PasLibVlcPlayer1->Stop();
        Application->ProcessMessages();
    }
    catch(Exception &e) {
    }
    Application->ProcessMessages();
    Application->ProcessMessages();
    Application->ProcessMessages();
    Application->ProcessMessages();
    Application->ProcessMessages();
    Application->ProcessMessages();
    FTimeChangeTick = 0;
    try
    {
        PasLibVlcPlayer1->Play(STRM_ADDR);
        FConHandle = 1;
    }
    catch(Exception &e) {
    }
    Application->ProcessMessages();
    Application->ProcessMessages();
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraPlayer::TmrTickTimer(TObject *Sender)
{
    TmrTick->Enabled = false;
    if (FUserStop == false && g_AppCfg.cmraViewerDelaySec > 0 && FTimeChangeTick > 0) {
        //CameraInfo("TmrTickTimer: " + String(GetTickCount() - FTimeChangeTick));
        if ((GetTickCount() - FTimeChangeTick) > (g_AppCfg.cmraViewerDelaySec * 1000)) {
            ResetVideoCamera();
            return;
        }
    }

    if (FUserStop == false && g_AppCfg.cmraViewerDelaySec > 0 && FTimeChangeTick > 0) {
        TmrTick->Enabled = true;
    }
}
//---------------------------------------------------------------------------




////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//void __fastcall TFrmCameraPlayer::PasLibVlcPlayer1MediaPlayerPositionChanged(TObject *Sender, float position)
#if 0
    if (PasLibVlcPlayer1->Visible == false) {
        PasLibVlcPlayer1->Visible = true;
        PnlCamera->Refresh();
        AdjustVideoFit();
    }
    if (ImgNoData->Visible == true) {
        ImgNoData->Visible = false;
    }
    CameraInfo("Changed: " + String(position) + ", " + String(PasLibVlcPlayer1->GetState()));
#endif
#if 0
  case PasLibVlcPlayer1.GetState() of
    plvPlayer_NothingSpecial: stateName := 'Idle';
    plvPlayer_Opening:        stateName := 'Opening';
    plvPlayer_Buffering:      stateName := 'Buffering';
    plvPlayer_Playing:        stateName := 'Playing';
    plvPlayer_Paused:         stateName := 'Paused';
    plvPlayer_Stopped:        stateName := 'Stopped';
    plvPlayer_Ended:          stateName := 'Ended';
    plvPlayer_Error:          stateName := 'Error';
    else                      stateName := 'Unknown';
  end;

  var
  info : string;
  sar_num, sar_den : LongWord;
begin
  info := 'Aspect ratio = ' + PasLibVlcPlayer1.GetVideoAspectRatio();
  if (PasLibVlcPlayer1.GetVideoSampleAspectRatio(sar_num, sar_den)) then
  begin
    info := info + ', SampleAspectRatio = ' + IntToStr(sar_num) + ':' + IntToStr(sar_den);
  end;
  MessageDlg(
    info,
    mtInformation, [mbOK], 0);
end;

main libvlc debug: configured with /builds/videolan/vlc/extras/package/win32/../../../configure  '--enable-update-check' '--enable-lua' '--enable-faad' '--enable-flac' '--enable-theora' '--enable-avcodec' '--enable-merge-ffmpeg' '--enable-dca' '--enable-mpc' '--enable-libass' '--enable-schroedinger' '--enable-realrtsp' '--enable-live555' '--enable-shout' '--enable-goom' '--enable-sse' '--enable-mmx' '--enable-libcddb' '--enable-zvbi' '--disable-telx' '--enable-nls' '--host=i686-w64-mingw32' '--with-contrib=../contrib/i686-w64-mingw32' '--with-breakpad=https://win.crashes.videolan.org' '--enable-qt' '--enable-skins2' '--enable-dvdread' '--enable-caca' 'host_alias=i686-w64-mingw32' 'CFLAGS= -D_WIN32_WINNT=0x0502 -DWINVER=0x502 -D__MSVCRT_VERSION__=0x700 ' 'CXXFLAGS= -D_WIN32_WINNT=0x0502 -DWINVER=0x502 -D__MSVCRT_VERSION__=0x700 ' 'PKG_CONFIG=pkg-config' 'PKG_CONFIG_LIBDIR=/usr/i686-w64-mingw32/lib/pkgconfig:/usr/lib/i686-w64-mingw32/pkgconfig'
#endif