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-rw-r--r--Game/Code/Classes/UTexture.pas36
-rw-r--r--Game/Code/Classes/UVideo.pas866
2 files changed, 476 insertions, 426 deletions
diff --git a/Game/Code/Classes/UTexture.pas b/Game/Code/Classes/UTexture.pas
index b18724bf..5ef29316 100644
--- a/Game/Code/Classes/UTexture.pas
+++ b/Game/Code/Classes/UTexture.pas
@@ -37,22 +37,6 @@ uses OpenGL12,
sdlutils,
SDL_Image;
-
- {$IFDEF Win32}
-// procedure glGenTextures(n: GLsizei; var textures: GLuint); stdcall; external opengl32;
-
-(*
- {$ELSE}
- {$ifdef darwin}
- const opengl32 = '/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib';
- {$ELSE}
- const opengl32 = 'libGL.so' ; // YES Capital GL
- {$ENDIF}
-
- procedure glGenTextures(n: GLsizei; var textures: PGLuint); stdcall; external opengl32;
-*)
- {$ENDIF}
-
type
TTexture = record
TexNum: integer;
@@ -525,6 +509,7 @@ begin
// load texture data into memory
{$ifdef blindydebug}
+ Log.LogStatus('',' ----------------------------------------------------');
Log.LogStatus('',' LoadImage('''+Identifier+''') (called by '+Format+')');
{$endif}
TexSurface := LoadImage(Identifier);
@@ -537,6 +522,7 @@ begin
beep;
Exit;
end;
+
// convert pixel format as needed
{$ifdef blindydebug}
Log.LogStatus('',' AdjustPixelFormat');
@@ -567,7 +553,7 @@ begin
end;
{$ifdef blindydebug}
- Log.LogStatus('',' JB-1');
+ Log.LogStatus('',' JB-1 : typ='+Typ);
{$endif}
@@ -577,6 +563,10 @@ begin
// cover cache stuff
if (CreateCacheMipmap) and (Typ='Plain') then
begin
+ {$ifdef blindydebug}
+ Log.LogStatus('',' JB-1 : Minimap');
+ {$endif}
+
if (Covers.W <= 256) and (Covers.H <= 256) then
begin
{$ifdef blindydebug}
@@ -645,10 +635,10 @@ begin
// prepare OpenGL texture
// JB_linux : this is causing AV's on linux... ActText seems to be nil !
- {$IFnDEF win32}
- if pointer(ActTex) = nil then
- exit;
- {$endif}
+// {$IFnDEF win32}
+// if pointer(ActTex) = nil then
+// exit;
+// {$endif}
glGenTextures(1, @ActTex);
@@ -658,7 +648,9 @@ begin
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
// load data into gl texture
- if (Typ = 'Transparent') or (Typ='Colorized') then begin
+ if (Typ = 'Transparent') or
+ (Typ='Colorized') then
+ begin
glTexImage2D(GL_TEXTURE_2D, 0, 4, newWidth, newHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, TexSurface.pixels);
end
{if Typ = 'Plain' then} else
diff --git a/Game/Code/Classes/UVideo.pas b/Game/Code/Classes/UVideo.pas
index 290db271..b2ba01dc 100644
--- a/Game/Code/Classes/UVideo.pas
+++ b/Game/Code/Classes/UVideo.pas
@@ -1,404 +1,462 @@
-{############################################################################
-# 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}
-//{$define Info}
-
-
-unit UVideo;
-
-interface
-
-{$IFDEF FPC}
- {$MODE DELPHI}
-{$ENDIF}
-
-
-uses SDL,
- UGraphicClasses,
- textgl,
- avcodec,
- avformat,
- avutil,
- math,
- OpenGL12,
- SysUtils,
- {$ifdef DebugDisplay}
- dialogs,
- {$ENDIF}
- UIni;
-
-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
-{$ifdef DebugDisplay}
- case errnum of
- AVERROR_UNKNOWN: showmessage('failed to open file '+Filename+#13#10+'AVERROR_UNKNOWN');
- AVERROR_IO: showmessage('failed to open file '+Filename+#13#10+'AVERROR_IO');
- AVERROR_NUMEXPECTED: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NUMEXPECTED');
- AVERROR_INVALIDDATA: showmessage('failed to open file '+Filename+#13#10+'AVERROR_INVALIDDATA');
- AVERROR_NOMEM: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NOMEM');
- AVERROR_NOFMT: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NOFMT');
- AVERROR_NOTSUPP: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NOTSUPP');
- else showmessage('failed to open file '+Filename+#13#10+'Error number: '+inttostr(Errnum));
- end;
-{$ENDIF}
- 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
-{$ifdef DebugDisplay}
- showmessage('found no video stream');
-{$ENDIF}
- av_close_input_file(VideoFormatContext);
- Exit;
- end;
- if(VideoCodec<>Nil) then
- begin
- errnum:=avcodec_open(VideoCodecContext, VideoCodec);
- end else begin
-{$ifdef DebugDisplay}
- showmessage('no matching codec found');
-{$ENDIF}
- 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
-{$ifdef DebugDisplay}
- showmessage('failed to allocate video buffer');
-{$endif}
- 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.
+{############################################################################
+# 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}
+//{$define Info}
+
+
+unit UVideo;
+
+interface
+
+{$IFDEF FPC}
+ {$MODE DELPHI}
+{$ENDIF}
+
+
+uses SDL,
+ UGraphicClasses,
+ textgl,
+ avcodec,
+ avformat,
+ avutil,
+ math,
+ OpenGL12,
+ SysUtils,
+ {$ifdef DebugDisplay}
+ {$ifdef win32}
+ dialogs,
+ {$endif}
+ {$ENDIF}
+ UIni;
+
+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
+
+{$ifdef DebugDisplay}
+{$ifNdef win32}
+
+procedure showmessage( aMessage : String );
+begin
+ writeln( aMessage );
+end;
+
+{$endif}
+{$ENDIF}
+
+procedure Init;
+begin
+ av_register_all;
+ {$ifdef DebugDisplay}
+ showmessage( 'AV_Register_ALL' );
+ {$endif}
+
+ VideoOpened:=False;
+ VideoPaused:=False;
+
+ glGenTextures(1, PglUint(@VideoTex));
+ SetLength(TexData,0);
+end;
+
+procedure FFmpegOpenFile(FileName: pAnsiChar);
+var errnum, i, x,y: Integer;
+ lStreamsCount : 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
+{$ifdef DebugDisplay}
+ case errnum of
+ AVERROR_UNKNOWN: showmessage('failed to open file '+Filename+#13#10+'AVERROR_UNKNOWN');
+ AVERROR_IO: showmessage('failed to open file '+Filename+#13#10+'AVERROR_IO');
+ AVERROR_NUMEXPECTED: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NUMEXPECTED');
+ AVERROR_INVALIDDATA: showmessage('failed to open file '+Filename+#13#10+'AVERROR_INVALIDDATA');
+ AVERROR_NOMEM: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NOMEM');
+ AVERROR_NOFMT: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NOFMT');
+ AVERROR_NOTSUPP: showmessage('failed to open file '+Filename+#13#10+'AVERROR_NOTSUPP');
+ else showmessage('failed to open file '+Filename+#13#10+'Error number: '+inttostr(Errnum));
+ end;
+{$ENDIF}
+ Exit;
+ end
+ else
+ begin
+ VideoStreamIndex:=-1;
+
+ // Find which stream contains the video
+ if(av_find_stream_info(VideoFormatContext) >= 0) then
+ begin
+ {$ifdef DebugDisplay}
+ writeln( 'FFMPEG debug... VideoFormatContext^.nb_streams : '+ inttostr( VideoFormatContext^.nb_streams ) );
+ {$endif}
+ for i:= 0 to MAX_STREAMS-1 do
+ begin
+ {$ifdef DebugDisplay}
+ writeln( 'FFMPEG debug... found stream '+ inttostr(i) + ' stream val ' + inttostr( integer(VideoFormatContext^.streams[i] ) ) );
+ {$endif}
+ try
+ if assigned( VideoFormatContext ) AND
+ assigned( VideoFormatContext^.streams[i] ) AND
+ assigned( VideoFormatContext^.streams[i]^.codec ) THEN
+ begin
+ {$ifdef DebugDisplay}
+ writeln( 'FFMPEG debug... found stream '+ inttostr(i) + ' code val ' + inttostr( integer(VideoFormatContext^.streams[i].codec ) ) );
+ writeln( 'FFMPEG debug... found stream '+ inttostr(i) + ' code Type ' + inttostr( integer(VideoFormatContext^.streams[i].codec^.codec_type ) ) );
+ {$endif}
+ if(VideoFormatContext^.streams[i]^.codec^.codec_type=CODEC_TYPE_VIDEO) then
+ begin
+ {$ifdef DebugDisplay}
+ writeln( 'FFMPEG debug, found CODEC_TYPE_VIDEO stream' );
+ {$endif}
+ VideoStreamIndex:=i;
+ end
+ else
+ end;
+ except
+ // TODO : JB_Linux ... this is excepting at line 108... ( Was 111 previously.. so its prob todo with streams[i]^.codec ..
+ {$ifdef DebugDisplay}
+ writeln( 'FFMPEG error, finding video stream' );
+ {$endif}
+ end;
+
+ end;
+ end;
+
+ if(VideoStreamIndex >= 0) then
+ begin
+ VideoCodecContext:=VideoFormatContext^.streams[VideoStreamIndex]^.codec;
+ VideoCodec:=avcodec_find_decoder(VideoCodecContext^.codec_id);
+ end
+ else
+ begin
+{$ifdef DebugDisplay}
+ showmessage('found no video stream');
+{$ENDIF}
+ av_close_input_file(VideoFormatContext);
+ Exit;
+ end;
+
+ if(VideoCodec<>Nil) then
+ begin
+ errnum:=avcodec_open(VideoCodecContext, VideoCodec);
+ end else begin
+{$ifdef DebugDisplay}
+ showmessage('no matching codec found');
+{$ENDIF}
+ 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
+{$ifdef DebugDisplay}
+ showmessage('failed to allocate video buffer');
+{$endif}
+ 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.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 21:20:23 +0000