UScreenSing.pas, UScreenSingModi.pas: removed Uffmpeg and USmpeg, added UVideo

UGraphic.pas: prepared for possible loading animation
UGraphicClasses.pas, ULCD.pas, ULight.pas, UMain.pas, USkins.pas, UDisplay.pas, UMenuButton.pas, UMenuSelect.pas, UMenuSelectSlide.pas, UMenuStatic.pas, UScreenCredits.pas, UScreenEditSub.pas, UScreenOpen.pas, UScreenPopup.pas: some fixes to get rid of some compiler infos/warnings

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@374 b956fd51-792f-4845-bead-9b4dfca2ff2c

2 files changed, 0 insertions, 679 deletions

diff --git a/Game/Code/SMpeg/USmpeg.pas b/Game/Code/SMpeg/USmpeg.pas
deleted file mode 100644
index 317b04bb..00000000
--- a/Game/Code/SMpeg/USmpeg.pas
+++ /dev/null
@@ -1,301 +0,0 @@
-unit USmpeg;

-

-interface

-uses SDL, smpeg, OpenGL12, SysUtils, UIni;

-

-procedure OpenSmpeg(FileName: string);

-procedure SkipSmpeg(Time: single);

-procedure PlaySmpeg;

-procedure PauseSmpeg; //PauseMod

-procedure UpdateSmpeg;

-procedure CloseSmpeg;

-function glmovie_init(Width : GLuint; Height : TGLuint ) : TGLenum;

-procedure glmpeg_update(surface: PSDL_Surface; x: Sint32; y: Sint32; w: Uint32; h: Uint32); cdecl;

-procedure DrawSmpeg(frame: PGLubyte);

-procedure glmovie_resize( width : GLuint; height : GLuint );

-procedure glmovie_quit;

-

-var

-  mpeg:       PSMPEG;

-  mpeg_info:  TSMPEG_Info;

-  surface:    PSDL_Surface;

-

-type

-  { Some data is redundant at this stage. }

-  PGLMovieTexture = ^TGLMovieTexture;

-  TGLMovieTexture = record

-    id : TGLuint; (* OpenGL texture id. *)

-    poly_width : TGLuint; (* Quad width for tile. *)

-    poly_height : TGLuint; (* Quad height for tile. *)

-    movie_width : TGLuint; (* Width of movie inside tile. *)

-    movie_height : TGLuint; (* Height of movie inside tile. *)

-    skip_rows : TGLuint; (* Number of rows of movie to skip *)

-    skip_pixels : TGLuint; (* Number of columns of movie to skip *)

-    row : TGLuint; (* Row number of tile in scheme. *)

-    col : TGLuint; (* Column number of tile in scheme. *)

-  end;

-

-type

-  TGLuintArray = array of TGLuint;

-  PGLuintArray = ^TGLuintArray;

-  TGLMovieTextureArray = array of TGLMovieTexture;

-  PGLMovieTextureArray = ^TGLMovieTextureArray;

-

-var

-  (* Our evil maximum texture size. Boo 3Dfxnot  *)

-  texture_size : TGLuint = 1024;//512;

-  texture_ids : TGLuint;

-  textures:     TGLMovieTexture;

-  tiled_width : TGLuint = 0;

-  tiled_height : TGLuint = 0;

-  movie_width : TGLuint = 0;

-  movie_height : TGLuint = 0;  

-

-implementation

-

-procedure OpenSmpeg(FileName: string);

-begin

-  mpeg := SMPEG_new(PChar(FileName), @mpeg_info, 0); // audio

-  if ( mpeg = nil ) then begin

-    SDL_Quit;

-    Exit;

-  end;

-

-//  SMPEG_setvolume(mpeg, 50);

-  SMPEG_enableaudio(mpeg, 0);

-

-  (* Everything needs to be in RGB for GL, but needs to be 32-bit for SMPEG. *)

-  surface := SDL_AllocSurface( SDL_SWSURFACE,

-    mpeg_info.width,

-    mpeg_info.height,

-    32,

-    $000000FF,

-    $0000FF00,

-    $00FF0000,

-    $FF000000 );

-

-  if ( surface = nil ) then begin

-    SDL_Quit;

-    Exit;

-  end;

-

-  (* *Initialize* with mpeg size. *)

-  if (glmovie_init( mpeg_info.width, mpeg_info.height ) <> GL_NO_ERROR ) then begin

-    SDL_Quit;

-    Exit;

-  end;

-

-  SMPEG_setdisplay(mpeg, surface, nil, @glmpeg_update);

-end;

-

-procedure SkipSmpeg(Time: single);

-begin

-  SMPEG_skip(mpeg, Time);

-end;

-

-procedure PlaySmpeg;

-begin

-  SMPEG_play(mpeg);

-end;

-

-//Pause Mod

-procedure PauseSmpeg;

-begin

-  SMPEG_pause(mpeg);

-end;

-

-procedure UpdateSmpeg;

-begin

-//  glmpeg_update(surface,0,0,0,0);

-  DrawSmpeg( PGLubyte( surface.pixels ) );

-end;

-

-procedure CloseSmpeg;

-begin

-  SMPEG_delete(mpeg);

-  //Fixing the Memory Lag in earlyer Versions (X-Mas Mod, all Official Versions)

-  glmovie_quit;

-end;

-

-function glmovie_init( Width : GLuint; Height : TGLuint ) : TGLenum;

-type

-  PGLubyteArray = ^TGLubyteArray;

-  TGLubyteArray = array of TGLubyte;

-var

-  (* Initial black texels. *)

-  pixels : TGLubyteArray;

-  (* Absolute offsets from within tiled frame. *)

-  //offset_x: GLuint;

-  //offset_y: GLuint;

-  skip_rows : GLuint;

-  skip_pixels : GLuint;

-  i, j, current : GLuint;

-begin

-  skip_rows := 0;

-  current := 0;

-  (* Save original movie dimensions. *)

-  movie_width := width;

-  movie_height := height;

-

-  (* Get the power of 2 dimensions. *)

-  tiled_width := 1024{512};

-  tiled_height := 1024{512};

-

-  texture_size := 1024{512};

-

-  (* Time for fun with data type = record *)

-  glPixelStorei(GL_UNPACK_ALIGNMENT, 1);

-  glEnable(GL_TEXTURE_2D);

-  glEnable(GL_DITHER);

-

-  glGenTextures(1, @texture_ids);

-

-      current := 0;

-      (* Setup texture. *)

-      textures.id := texture_ids;

-      textures.poly_width := texture_size;

-      textures.poly_height := texture_size;

-      textures.movie_width := movie_width - 2;

-      textures.movie_height := movie_height - 2;

-      textures.row := i;

-      textures.col := j;

-      textures.skip_pixels := skip_pixels;

-      textures.skip_rows := skip_rows;

-

-      SetLength( pixels, textures.poly_width * textures.poly_height * 4 );

-      if ( pixels = nil ) then

-      begin

-        glDeleteTextures(1, @texture_ids);

-        result := GL_OUT_OF_MEMORY;

-        exit;

-      end;

-      //FillChar( pixels^, textures[ current ].poly_width * textures[ current ].poly_height * 4, 0 );

-

-      (* Do all of our useful binding. *)

-      glBindTexture(GL_TEXTURE_2D, texture_ids);

-//      glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );

-      glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP );

-      glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP );

-      glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );

-      glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );

-      (* Specify our 256x256 black texture. *)

-      glTexImage2D( GL_TEXTURE_2D,

-        0,

-        GL_RGB,

-        1024{512},//textures.poly_width,

-        1024{512},//textures.poly_height,

-        0,

-        GL_RGBA,

-        GL_UNSIGNED_BYTE,

-        @pixels[0] );

-        SetLength( pixels, 0 );

-

-

-  (* Simple state setup at the end. *)

-  result := glGetError( );

-end;

-

-procedure glmpeg_update( surface : PSDL_Surface; x : Sint32; y : Sint32; w : Uint32;

-  h : Uint32 ); cdecl;

-var

-  error : TGLenum;

-begin

-  glClear( GL_COLOR_BUFFER_BIT );

-  glMatrixMode( GL_MODELVIEW );

-  glLoadIdentity;

-  DrawSmpeg( PGLubyte( surface.pixels ) );

-  error := glGetError( );

-  if ( error <> GL_NO_ERROR ) then Exit;

-  SDL_GL_SwapBuffers;

-end;

-

-procedure DrawSmpeg(frame: PGLubyte);

-var

-  Shift:    TGLdouble;

-  CropT:    real;

-  CropB:    real;

-  TexT:     real;

-  TexB:     real;

-  TexL:     real;

-  TexR:     real;

-  Wide:     boolean;

-begin

-  (* full screen mpeg *)

-{  CropT := 0;

-  CropB := 600;

-  TexT := 0;

-  TexB := 1;

-  TexL := 0;

-  TexW := 1;}

-

-  // set movie texture crop

-  Wide := false;

-  if (textures.movie_width = 720-2) and (textures.movie_height = 344-2) then begin

-    TexT := 0;

-    TexB := 342/1024;

-    Wide := true;

-  end;

-  if textures.movie_height = 304-2 then begin

-    TexT := 0;

-    TexB := 304/1024;

-    Wide := true;

-  end;

-  if textures.movie_height = 152-2 then begin

-    TexT := 0;

-    TexB := 152/1024;

-    Wide := true;

-  end;

-

-  CropT := 110; // (110/800 = 13,75% max crop)

-  CropB := 490; // (110/800 = 13,75% max crop)

-

-  if (textures.movie_height <> 304-2) and (textures.movie_height <> 152-2) and (textures.movie_height <> 344-2) then begin

-    TexT := 110 / 600 * (textures.movie_height / 1024{512});

-    TexB := 490 / 600 * (textures.movie_height / 1024{512});

-

-    if Ini.MovieSize >= 1 then begin

-      // full screen size

-      CropT := 0;

-      CropB := 600;

-      TexT := 0;

-      TexB := textures.movie_height / 1024{512};

-    end;

-  end;

-

-  TexL := {10}0/600 * (textures.movie_width / 1024{512});

-  TexR := {590}600/600 * (textures.movie_width / 1024{512});

-

-  glEnable(GL_TEXTURE_2D);

-  glDisable(GL_BLEND);

-  glColor3f(1, 1, 1);

-  glBindTexture( GL_TEXTURE_2D, texture_ids );

-//  glPixelStorei( GL_UNPACK_ROW_LENGTH, movie_width );

-  glPixelStorei( GL_UNPACK_SKIP_ROWS, 0);

-  glPixelStorei( GL_UNPACK_SKIP_PIXELS, 0);

-  glTexSubImage2D( GL_TEXTURE_2D, 0, 0, (* offset_x *) 0, (* offset_y *) textures.movie_width + 2, textures.movie_height + 2, GL_RGBA, GL_UNSIGNED_BYTE, frame );

-

-  // draw

-  glBegin( GL_QUADS );

-    glTexCoord2f(TexL, TexT); glVertex2f(0, CropT);

-    glTexCoord2f(TexL, TexB); glVertex2f(0, CropB);

-    glTexCoord2f(TexR, TexB); glVertex2f(800, CropB);

-    glTexCoord2f(TexR, TexT); glVertex2f(800, CropT);

-  glEnd;

-  glDisable(GL_TEXTURE_2D);

-end;

-

-procedure glmovie_resize( width : GLuint; height : GLuint );

-begin

-  glViewport(0, 0, width, height);

-  glMatrixMode(GL_PROJECTION);

-  glLoadIdentity;

-  gluOrtho2D(0, 800, 600, 0);

-end;

-

-procedure glmovie_quit;

-begin

-  glDeleteTextures(1, @texture_ids);

-  SDL_FreeSurface(surface);

-end;

-

-end.

diff --git a/Game/Code/SMpeg/Uffmpeg.pas b/Game/Code/SMpeg/Uffmpeg.pas
deleted file mode 100644
index 6e08ca95..00000000
--- a/Game/Code/SMpeg/Uffmpeg.pas
+++ /dev/null
@@ -1,378 +0,0 @@
-{############################################################################

-#                   FFmpeg support for UltraStar deluxe                     #

-#                                                                           #

-#   Created by b1indy                                                       #

-#   based on 'An ffmpeg and SDL Tutorial' (http://www.dranger.com/ffmpeg/)  #

-#############################################################################}

-

-//{$define DebugDisplay}  // uncomment if u want to see the debug stuff

-{$define DebugFrames}

-{$define Info}

-

-

-unit Uffmpeg;

-

-interface

-uses SDL, UGraphicClasses, textgl, avcodec, avformat, avutil, math, OpenGL12, SysUtils, UIni, dialogs;

-

-procedure Init;

-procedure FFmpegOpenFile(FileName: pAnsiChar);

-procedure FFmpegClose;

-procedure FFmpegGetFrame(Time: Extended);

-procedure FFmpegDrawGL(Screen: integer);

-procedure FFmpegTogglePause;

-procedure FFmpegSkip(Time: Single);

-

-var

-  VideoOpened, VideoPaused: Boolean;

-  VideoFormatContext: PAVFormatContext;

-  VideoStreamIndex: Integer;

-  VideoCodecContext: PAVCodecContext;

-  VideoCodec: PAVCodec;

-  AVFrame: PAVFrame;

-  AVFrameRGB: PAVFrame;

-  myBuffer: pByte;

-  VideoTex: glUint;

-  TexX, TexY, dataX, dataY: Cardinal;

-  TexData: array of Byte;

-  ScaledVideoWidth, ScaledVideoHeight: Real;

-  VideoAspect: Real;

-  VideoTextureU, VideoTextureV: Real;

-  VideoTimeBase, VideoTime, LastFrameTime, TimeDifference: Extended;

-  VideoSkipTime: Single;

-

-implementation

-

-procedure Init;

-begin

-  av_register_all;

-  VideoOpened:=False;

-  VideoPaused:=False;

-  glGenTextures(1, PglUint(@VideoTex));

-  SetLength(TexData,0);

-end;

-

-procedure FFmpegOpenFile(FileName: pAnsiChar);

-var errnum, i, x,y: Integer;

-begin

-  VideoOpened:=False;

-  VideoPaused:=False;

-  VideoTimeBase:=0;

-  VideoTime:=0;

-  LastFrameTime:=0;

-  TimeDifference:=0;

-  errnum:=av_open_input_file(VideoFormatContext, FileName, Nil, 0, Nil);

-  if(errnum <> 0)

-  then begin

-    case errnum of

-      AVERROR_UNKNOWN: showmessage('failed to open file '+Filename+#13#10+'AVERROR_UNKNOWN');

-      AVERROR_IO: showmessage('failed to open file '+Filename+#13#10+'AVERROR_IO');

-      AVERROR_NUMEXPECTED: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NUMEXPECTED');

-      AVERROR_INVALIDDATA: showmessage('failed to open file '+Filename+#13#10+'AVERROR_INVALIDDATA');

-      AVERROR_NOMEM: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NOMEM');

-      AVERROR_NOFMT: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NOFMT');

-      AVERROR_NOTSUPP: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NOTSUPP');

-    else showmessage('failed to open file '+Filename+#13#10+'Error number: '+inttostr(Errnum));

-    end;

-    Exit;

-  end

-  else begin

-    VideoStreamIndex:=-1;

-    if(av_find_stream_info(VideoFormatContext)>=0) then

-    begin

-      for i:=0 to VideoFormatContext^.nb_streams-1 do

-        if(VideoFormatContext^.streams[i]^.codec^.codec_type=CODEC_TYPE_VIDEO) then begin

-          VideoStreamIndex:=i;

-        end else

-    end;

-    if(VideoStreamIndex >= 0) then

-    begin

-      VideoCodecContext:=VideoFormatContext^.streams[VideoStreamIndex]^.codec;

-      VideoCodec:=avcodec_find_decoder(VideoCodecContext^.codec_id);

-    end else begin

-      showmessage('found no video stream');

-      av_close_input_file(VideoFormatContext);

-      Exit;

-    end;

-    if(VideoCodec<>Nil) then

-    begin

-      errnum:=avcodec_open(VideoCodecContext, VideoCodec);

-    end else begin

-      showmessage('no matching codec found');

-      avcodec_close(VideoCodecContext);

-      av_close_input_file(VideoFormatContext);

-      Exit;

-    end;

-    if(errnum >=0) then

-    begin

-{$ifdef DebugDisplay}

-       showmessage('Found a matching Codec:'+#13#10#13#10+

-        'Width='+inttostr(VideoCodecContext^.width)+

-        ', Height='+inttostr(VideoCodecContext^.height)+#13#10+

-        'Aspect: '+inttostr(VideoCodecContext^.sample_aspect_ratio.num)+'/'+inttostr(VideoCodecContext^.sample_aspect_ratio.den)+#13#10+

-        'Framerate: '+inttostr(VideoCodecContext^.time_base.num)+'/'+inttostr(VideoCodecContext^.time_base.den));

-{$endif}

-      // allocate space for decoded frame and rgb frame

-      AVFrame:=avcodec_alloc_frame;

-      AVFrameRGB:=avcodec_alloc_frame;

-    end;

-    myBuffer:=Nil;

-    if(AVFrame <> Nil) and (AVFrameRGB <> Nil) then

-    begin

-      myBuffer:=av_malloc(avpicture_get_size(PIX_FMT_RGB24, VideoCodecContext^.width,

-                            VideoCodecContext^.height));

-    end;

-    if myBuffer <> Nil then errnum:=avpicture_fill(PAVPicture(AVFrameRGB), myBuffer, PIX_FMT_RGB24,

-                VideoCodecContext^.width, VideoCodecContext^.height)

-    else begin

-      showmessage('failed to allocate video buffer');

-      av_free(AVFrameRGB);

-      av_free(AVFrame);

-      avcodec_close(VideoCodecContext);

-      av_close_input_file(VideoFormatContext);

-      Exit;

-    end;

-    if errnum >=0 then

-    begin

-      VideoOpened:=True;

-

-      TexX := VideoCodecContext^.width;

-      TexY := VideoCodecContext^.height;

-      dataX := Round(Power(2, Ceil(Log2(TexX))));

-      dataY := Round(Power(2, Ceil(Log2(TexY))));

-      SetLength(TexData,dataX*dataY*3);

-      // calculate some information for video display

-      VideoAspect:=VideoCodecContext^.sample_aspect_ratio.num/VideoCodecContext^.sample_aspect_ratio.den;

-      if (VideoAspect = 0) then

-        VideoAspect:=VideoCodecContext^.width/VideoCodecContext^.height

-      else

-        VideoAspect:=VideoAspect*VideoCodecContext^.width/VideoCodecContext^.height;

-      if VideoAspect >= 4/3 then

-      begin

-        ScaledVideoWidth:=800.0;

-        ScaledVideoHeight:=800.0/VideoAspect;

-      end else

-      begin

-        ScaledVideoHeight:=600.0;

-        ScaledVideoWidth:=600.0*VideoAspect;

-      end;

-      VideoTimeBase:=VideoCodecContext^.time_base.num/VideoCodecContext^.time_base.den;

-      // hack to get reasonable timebase for divx

-{$ifdef DebugDisplay}

-      showmessage('framerate: '+inttostr(floor(1/videotimebase))+'fps');

-{$endif}

-      if VideoTimeBase < 0.02 then // 0.02 <-> 50 fps

-      begin

-        VideoTimeBase:=VideoCodecContext^.time_base.den/VideoCodecContext^.time_base.num;

-        while VideoTimeBase > 50 do VideoTimeBase:=VideoTimeBase/10;

-        VideoTimeBase:=1/VideoTimeBase;

-      end;

-{$ifdef DebugDisplay}

-      showmessage('corrected framerate: '+inttostr(floor(1/videotimebase))+'fps');

-      if ((VideoAspect*VideoCodecContext^.width*VideoCodecContext^.height)>200000) then

-        showmessage('you are trying to play a rather large video'+#13#10+

-                    'be prepared to experience some timing problems');

-{$endif}

-    end;

-  end;

-end;

-

-procedure FFmpegClose;

-begin

-  if VideoOpened then begin

-    av_free(myBuffer);

-    av_free(AVFrameRGB);

-    av_free(AVFrame);

-    avcodec_close(VideoCodecContext);

-    av_close_input_file(VideoFormatContext);

-    SetLength(TexData,0);

-    VideoOpened:=False;

-  end;

-end;

-

-procedure FFmpegTogglePause;

-begin

-  if VideoPaused then VideoPaused:=False

-  else VideoPaused:=True;

-end;

-

-procedure FFmpegSkip(Time: Single);

-begin

-  VideoSkiptime:=Time;

-  if VideoSkipTime > 0 then begin

-    av_seek_frame(VideoFormatContext,-1,Floor((VideoSkipTime)*1500000),0);

-    VideoTime:=VideoSkipTime;

-  end;

-end;

-

-procedure FFmpegGetFrame(Time: Extended);

-var

-  FrameFinished: Integer;

-  AVPacket: TAVPacket;

-  errnum, x, y: Integer;

-  FrameDataPtr: PByteArray;

-  linesize: integer;

-  myTime: Extended;

-  DropFrame: Boolean;

-  droppedFrames: Integer;

-const

-  FRAMEDROPCOUNT=3;

-begin

-  if not VideoOpened then Exit;

-  if VideoPaused then Exit;

-  myTime:=Time+VideoSkipTime;

-  TimeDifference:=myTime-VideoTime;

-  DropFrame:=False;

-{  showmessage('Time:      '+inttostr(floor(Time*1000))+#13#10+

-    'VideoTime: '+inttostr(floor(VideoTime*1000))+#13#10+

-    'TimeBase:  '+inttostr(floor(VideoTimeBase*1000))+#13#10+

-    'TimeDiff:  '+inttostr(floor(TimeDifference*1000)));

-}

-  if (VideoTime <> 0) and (TimeDifference <= VideoTimeBase) then begin

-{$ifdef DebugFrames}

-    // frame delay debug display

-    GoldenRec.Spawn(200,15,1,16,0,-1,ColoredStar,$00ff00);

-{$endif}

-{    showmessage('not getting new frame'+#13#10+

-    'Time:      '+inttostr(floor(Time*1000))+#13#10+

-    'VideoTime: '+inttostr(floor(VideoTime*1000))+#13#10+

-    'TimeBase:  '+inttostr(floor(VideoTimeBase*1000))+#13#10+

-    'TimeDiff:  '+inttostr(floor(TimeDifference*1000)));

-}

-    Exit;// we don't need a new frame now

-  end;

-  VideoTime:=VideoTime+VideoTimeBase;

-  TimeDifference:=myTime-VideoTime;

-  if TimeDifference >= (FRAMEDROPCOUNT-1)*VideoTimeBase then begin // skip frames

-{$ifdef DebugFrames}

-    //frame drop debug display

-    GoldenRec.Spawn(200,55,1,16,0,-1,ColoredStar,$ff0000);

-{$endif}

-//    showmessage('skipping frames'+#13#10+

-//    'TimeBase:  '+inttostr(floor(VideoTimeBase*1000))+#13#10+

-//    'TimeDiff:  '+inttostr(floor(TimeDifference*1000))+#13#10+

-//    'Time2Skip: '+inttostr(floor((Time-LastFrameTime)*1000)));

-//    av_seek_frame(VideoFormatContext,VideoStreamIndex,Floor(Time*VideoTimeBase),0);

-{    av_seek_frame(VideoFormatContext,-1,Floor((myTime+VideoTimeBase)*1500000),0);

-    VideoTime:=floor(myTime/VideoTimeBase)*VideoTimeBase;}

-    VideoTime:=VideoTime+FRAMEDROPCOUNT*VideoTimeBase;

-    DropFrame:=True;

-  end;

-

-  av_init_packet(@AVPacket);

-  FrameFinished:=0;

-  // read packets until we have a finished frame (or there are no more packets)

-  while (FrameFinished=0) and (av_read_frame(VideoFormatContext, @AVPacket)>=0) do

-  begin

-    // if we got a packet from the video stream, then decode it

-    if (AVPacket.stream_index=VideoStreamIndex) then

-      errnum:=avcodec_decode_video(VideoCodecContext, AVFrame, @frameFinished,

-                                     AVPacket.data, AVPacket.size);

-    // release internal packet structure created by av_read_frame

-      av_free_packet(PAVPacket(@AVPacket));

-  end;

-  if DropFrame then

-    for droppedFrames:=1 to FRAMEDROPCOUNT do begin

-      FrameFinished:=0;

-      // read packets until we have a finished frame (or there are no more packets)

-      while (FrameFinished=0) and (av_read_frame(VideoFormatContext, @AVPacket)>=0) do

-      begin

-        // if we got a packet from the video stream, then decode it

-        if (AVPacket.stream_index=VideoStreamIndex) then

-          errnum:=avcodec_decode_video(VideoCodecContext, AVFrame, @frameFinished,

-                                         AVPacket.data, AVPacket.size);

-        // release internal packet structure created by av_read_frame

-          av_free_packet(PAVPacket(@AVPacket));

-      end;

-    end;

-

-  // if we did not get an new frame, there's nothing more to do

-  if Framefinished=0 then begin

-    GoldenRec.Spawn(220,15,1,16,0,-1,ColoredStar,$0000ff);

-    Exit;

-  end;

-  // otherwise we convert the pixeldata from YUV to RGB

-  errnum:=img_convert(PAVPicture(AVFrameRGB), PIX_FMT_RGB24,

-            PAVPicture(AVFrame), VideoCodecContext^.pix_fmt,

-			      VideoCodecContext^.width, VideoCodecContext^.height);

-//errnum:=1;

-  if errnum >=0 then begin

-    // copy RGB pixeldata to our TextureBuffer

-    // (line by line)

-    FrameDataPtr:=AVFrameRGB^.data[0];

-    linesize:=AVFrameRGB^.linesize[0];

-    for y:=0 to TexY-1 do begin

-      System.Move(FrameDataPtr[y*linesize],TexData[3*y*dataX],linesize);

-    end;

-

-    // generate opengl texture out of whatever we got

-    glBindTexture(GL_TEXTURE_2D, VideoTex);

-    glTexImage2D(GL_TEXTURE_2D, 0, 3, dataX, dataY, 0, GL_RGB, GL_UNSIGNED_BYTE, TexData);

-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

-{$ifdef DebugFrames}

-    //frame decode debug display

-    GoldenRec.Spawn(200,35,1,16,0,-1,ColoredStar,$ffff00);

-{$endif}

-

-  end;

-end;

-

-procedure FFmpegDrawGL(Screen: integer);

-begin

-  // have a nice black background to draw on (even if there were errors opening the vid)

-  if Screen=1 then begin

-    glClearColor(0,0,0,0);

-    glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT);

-  end;

-  // exit if there's nothing to draw

-  if not VideoOpened then Exit;

-

-  glEnable(GL_TEXTURE_2D);

-  glEnable(GL_BLEND);

-  glColor4f(1, 1, 1, 1);

-  glBindTexture(GL_TEXTURE_2D, VideoTex);

-  glbegin(gl_quads);

-    glTexCoord2f(         0,          0); glVertex2f(400-ScaledVideoWidth/2, 300-ScaledVideoHeight/2);

-    glTexCoord2f(         0, TexY/dataY); glVertex2f(400-ScaledVideoWidth/2, 300+ScaledVideoHeight/2);

-    glTexCoord2f(TexX/dataX, TexY/dataY); glVertex2f(400+ScaledVideoWidth/2, 300+ScaledVideoHeight/2);

-    glTexCoord2f(TexX/dataX,          0); glVertex2f(400+ScaledVideoWidth/2, 300-ScaledVideoHeight/2);

-  glEnd;

-  glDisable(GL_TEXTURE_2D);

-  glDisable(GL_BLEND);

-

-{$ifdef Info}

-  if VideoSkipTime+VideoTime+VideoTimeBase < 0 then begin

-    glColor4f(0.7, 1, 0.3, 1);

-    SetFontStyle (1);

-    SetFontItalic(False);

-    SetFontSize(9);

-    SetFontPos (300, 0);

-    glPrint('Delay due to negative VideoGap');

-    glColor4f(1, 1, 1, 1);

-  end;

-{$endif}

-

-{$ifdef DebugFrames}

-    glColor4f(0, 0, 0, 0.2);

-    glbegin(gl_quads);

-      glVertex2f(0, 0);

-      glVertex2f(0, 70);

-      glVertex2f(250, 70);

-      glVertex2f(250, 0);

-    glEnd;

-

-    glColor4f(1,1,1,1);

-    SetFontStyle (1);

-    SetFontItalic(False);

-    SetFontSize(9);

-    SetFontPos (5, 0);

-    glPrint('delaying frame');

-    SetFontPos (5, 20);

-    glPrint('fetching frame');

-    SetFontPos (5, 40);

-    glPrint('dropping frame');

-{$endif}

-end;

-

-end.