Changeset 249
- Timestamp:
- May 30, 2011, 7:02:15 AM (14 years ago)
- Files:
-
- 5 edited
Legend:
- Unmodified
- Added
- Removed
-
Common/Common.lpk
r230 r249 4 4 <PathDelim Value="\"/> 5 5 <Name Value="Common"/> 6 <Author Value="Chronos "/>6 <Author Value="Chronos (robie@centrum.cz)"/> 7 7 <CompilerOptions> 8 8 <Version Value="9"/> … … 17 17 <Description Value="Various libraries"/> 18 18 <License Value="GNU/GPL"/> 19 <Version Minor=" 2"/>19 <Version Minor="3"/> 20 20 <Files Count="7"> 21 21 <Item1> -
CoolStreaming/Demo/BitStream/BitStreamTest.lpi
r129 r249 42 42 </Item2> 43 43 </RequiredPackages> 44 <Units Count=" 6">44 <Units Count="8"> 45 45 <Unit0> 46 46 <Filename Value="BitStreamTest.lpr"/> 47 47 <IsPartOfProject Value="True"/> 48 48 <UnitName Value="BitStreamTest"/> 49 <EditorIndex Value=" 2"/>49 <EditorIndex Value="3"/> 50 50 <WindowIndex Value="0"/> 51 51 <TopLine Value="1"/> 52 52 <CursorPos X="32" Y="15"/> 53 <UsageCount Value="2 0"/>53 <UsageCount Value="23"/> 54 54 <Loaded Value="True"/> 55 55 <DefaultSyntaxHighlighter Value="Delphi"/> … … 61 61 <ResourceBaseClass Value="Form"/> 62 62 <UnitName Value="UMainForm"/> 63 <IsVisibleTab Value="True"/>64 63 <EditorIndex Value="0"/> 65 64 <WindowIndex Value="0"/> 66 <TopLine Value="1 32"/>67 <CursorPos X=" 1" Y="150"/>68 <UsageCount Value="2 0"/>65 <TopLine Value="123"/> 66 <CursorPos X="25" Y="138"/> 67 <UsageCount Value="23"/> 69 68 <Loaded Value="True"/> 70 69 <LoadedDesigner Value="True"/> … … 83 82 <Filename Value="E:\Programy\Lazarus\lcl\controls.pp"/> 84 83 <UnitName Value="Controls"/> 85 <EditorIndex Value="3"/>86 84 <WindowIndex Value="0"/> 87 85 <TopLine Value="1207"/> 88 86 <CursorPos X="14" Y="1220"/> 89 87 <UsageCount Value="10"/> 90 <Loaded Value="True"/>91 88 </Unit3> 92 89 <Unit4> … … 100 97 <Unit5> 101 98 <Filename Value="E:\Programy\Lazarus\fpc\2.4.3\source\rtl\objpas\sysutils\sysutilh.inc"/> 102 <EditorIndex Value="1"/>103 99 <WindowIndex Value="0"/> 104 100 <TopLine Value="84"/> 105 101 <CursorPos X="79" Y="89"/> 106 102 <UsageCount Value="10"/> 107 <Loaded Value="True"/>108 103 </Unit5> 104 <Unit6> 105 <Filename Value="..\..\UBitStream.pas"/> 106 <UnitName Value="UBitStream"/> 107 <IsVisibleTab Value="True"/> 108 <EditorIndex Value="1"/> 109 <WindowIndex Value="0"/> 110 <TopLine Value="244"/> 111 <CursorPos X="7" Y="263"/> 112 <UsageCount Value="11"/> 113 <Loaded Value="True"/> 114 </Unit6> 115 <Unit7> 116 <Filename Value="H:\0.9.30_2.4.2\fpc\2.4.2\source\rtl\objpas\classes\classesh.inc"/> 117 <EditorIndex Value="2"/> 118 <WindowIndex 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UMainForm.pas"/>145 <Caret Line=" 95" Column="1" TopLine="85"/>159 <Filename Value="..\..\UBitStream.pas"/> 160 <Caret Line="291" Column="1" TopLine="283"/> 146 161 </Position9> 147 162 <Position10> 148 <Filename Value=" UMainForm.pas"/>149 <Caret Line=" 99" Column="1" TopLine="85"/>163 <Filename Value="..\..\UBitStream.pas"/> 164 <Caret Line="292" Column="1" TopLine="283"/> 150 165 </Position10> 151 166 <Position11> 152 <Filename Value=" UMainForm.pas"/>153 <Caret Line=" 119" Column="27" TopLine="109"/>167 <Filename Value="..\..\UBitStream.pas"/> 168 <Caret Line="293" Column="1" TopLine="283"/> 154 169 </Position11> 155 170 <Position12> 156 <Filename Value=" UMainForm.pas"/>157 <Caret Line=" 99" Column="32" TopLine="78"/>171 <Filename Value="..\..\UBitStream.pas"/> 172 <Caret Line="294" Column="1" TopLine="283"/> 158 173 </Position12> 159 174 <Position13> 160 <Filename Value=" UMainForm.pas"/>161 <Caret Line=" 98" Column="29" TopLine="78"/>175 <Filename Value="..\..\UBitStream.pas"/> 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CoolStreaming/Demo/BitStream/UMainForm.lfm
r122 r249 8 8 ClientWidth = 613 9 9 OnShow = FormShow 10 LCLVersion = '0.9.3 1'10 LCLVersion = '0.9.30' 11 11 object Memo1: TMemo 12 Left = 713 Height = 3 7214 Top = 812 Left = 8 13 Height = 364 14 Top = 40 15 15 Width = 599 16 16 Anchors = [akTop, akLeft, akRight, akBottom] … … 20 20 TabOrder = 0 21 21 end 22 object Button1: TButton 23 Left = 9 24 Height = 25 25 Top = 7 26 Width = 75 27 Caption = 'Base test' 28 OnClick = Button1Click 29 TabOrder = 1 30 end 31 object Button2: TButton 32 Left = 93 33 Height = 25 34 Top = 7 35 Width = 75 36 Caption = 'Read test' 37 OnClick = Button2Click 38 TabOrder = 2 39 end 40 object Button3: TButton 41 Left = 176 42 Height = 25 43 Top = 7 44 Width = 75 45 Caption = 'Write test' 46 OnClick = Button3Click 47 TabOrder = 3 48 end 22 49 end -
CoolStreaming/Demo/BitStream/UMainForm.pas
r129 r249 15 15 16 16 TMainForm = class(TForm) 17 Button1: TButton; 18 Button2: TButton; 19 Button3: TButton; 17 20 Memo1: TMemo; 21 procedure Button1Click(Sender: TObject); 22 procedure Button2Click(Sender: TObject); 23 procedure Button3Click(Sender: TObject); 18 24 procedure FormShow(Sender: TObject); 19 25 private … … 32 38 33 39 procedure TMainForm.FormShow(Sender: TObject); 40 begin 41 WindowState := wsMaximized; 42 end; 43 44 procedure TMainForm.Button1Click(Sender: TObject); 34 45 var 35 46 BitStream: TMemoryBitStream; … … 40 51 C: Integer; 41 52 begin 42 WindowState := wsMaximized;43 44 53 with Memo1, Lines do try 45 54 BeginUpdate; … … 47 56 BitStream2 := TMemoryBitStream.Create; 48 57 SetLength(Buffer, 4); 49 Buffer[0] := $ 12;50 Buffer[1] := $ 34;51 Buffer[2] := $ 56;52 Buffer[3] := $ 78;58 Buffer[0] := $21; 59 Buffer[1] := $43; 60 Buffer[2] := $65; 61 Buffer[3] := $87; 53 62 Add('Source data:'); 54 63 PrintData(Buffer, Length(Buffer) * 8, Lines); 55 64 56 BitStream.Write(Buffer[0], 28);65 BitStream.Write(Buffer[0], Length(Buffer) * 8); 57 66 Add('Write data to stream:'); 58 67 PrintBitStream(BitStream, Lines); 68 59 69 // Write second bit array after first which lead to store data as shifted 60 BitStream.Write(Buffer[0], 28);70 BitStream.Write(Buffer[0], Length(Buffer) * 8); 61 71 Add('Append shifted data to stream:'); 62 72 PrintBitStream(BitStream, Lines); … … 83 93 PrintBitStream(BitStream2, Lines); 84 94 end; *) 95 finally 96 BitStream.Free; 97 BitStream2.Free; 98 EndUpdate; 99 end; 100 end; 101 102 procedure TMainForm.Button2Click(Sender: TObject); 103 var 104 BitStream: TMemoryBitStream; 105 BitStream2: TMemoryBitStream; 106 Buffer: array of Byte; 107 I: Integer; 108 Y: Integer; 109 C: Integer; 110 begin 111 with Memo1, Lines do try 112 BeginUpdate; 113 BitStream := TMemoryBitStream.Create; 114 BitStream2 := TMemoryBitStream.Create; 115 116 SetLength(Buffer, 4); 117 Buffer[0] := $21; 118 Buffer[1] := $43; 119 Buffer[2] := $65; 120 Buffer[3] := $87; 121 Add('Source data:'); 122 PrintData(Buffer, Length(Buffer) * 8, Lines); 123 124 BitStream.Write(Buffer[0], Length(Buffer) * 8); 125 Add('Write data to stream:'); 126 PrintBitStream(BitStream, Lines); 85 127 86 128 Add('Bit copy of substreams'); … … 107 149 end; 108 150 151 procedure TMainForm.Button3Click(Sender: TObject); 152 var 153 BitStream: TMemoryBitStream; 154 BitStream2: TMemoryBitStream; 155 Buffer: array of Byte; 156 I: Integer; 157 Y: Integer; 158 C: Integer; 159 begin 160 with Memo1, Lines do try 161 BeginUpdate; 162 BitStream := TMemoryBitStream.Create; 163 BitStream2 := TMemoryBitStream.Create; 164 165 SetLength(Buffer, 5); 166 Buffer[0] := $10; 167 Buffer[1] := $32; 168 Buffer[2] := $54; 169 Buffer[3] := $76; 170 Buffer[4] := $98; 171 Add('Source data:'); 172 PrintData(Buffer, Length(Buffer) * 8, Lines); 173 174 Add('Bit copy of substreams'); 175 BitStream.Size := Length(Buffer) * 8; 176 SetLength(Buffer, 1000); 177 for Y := 0 to BitStream.Size do begin 178 Add('Size: ' + IntToStr(Y)); 179 for I := 0 to BitStream.Size - Y do begin 180 BitStream.Position := 0; 181 for C := 0 to BitStream.Size - 1 do 182 BitStream.WriteBit(True); 183 BitStream.Position := I; 184 C := BitStream.Write(Buffer[0], Y); 185 PrintBitStream(BitStream, Lines); 186 end; 187 Add(''); 188 end; 189 190 Add('Bit copy of substreams'); 191 SetLength(Buffer, 1000); 192 for Y := 0 to BitStream.Size do begin 193 Add('Size: ' + IntToStr(Y)); 194 for I := 0 to BitStream.Size - Y do begin 195 BitStream.Position := 0; 196 for C := 0 to BitStream.Size - 1 do 197 BitStream.WriteBit(False); 198 BitStream.Position := I; 199 C := BitStream.Write(Buffer[0], Y); 200 PrintBitStream(BitStream, Lines); 201 end; 202 Add(''); 203 end; 204 finally 205 BitStream.Free; 206 BitStream2.Free; 207 EndUpdate; 208 end; 209 end; 210 109 211 procedure TMainForm.PrintData(Data: TArrayOfByte; Count: Integer; StringList: TStrings); 110 212 var -
CoolStreaming/UBitStream.pas
r247 r249 228 228 end; 229 229 230 function TMemoryBitStream.WriteToByte(var Data: Byte; NewData, Pos,Count:Byte):Byte;230 function TMemoryBitStream.WriteToByte(var Data: Byte; NewData, Pos, Count: Byte) :Byte; 231 231 begin 232 232 Data := Byte(Data and not (((1 shl Count) - 1) shl Pos) // Make zero space for new data … … 260 260 TBytes(Buffer)[I] := TBytes(Buffer)[I] or 261 261 ((Integer(Data) and ((1 shl PosInByte) - 1)) shl (8 - PosInByte)); 262 //if (I = (ByteCount - 1)) and (PosInByte > 0) then263 //TBytes(Buffer)[I] := TBytes(Buffer)[I] and ((1 shl (Count mod 8)) - 1);262 if (I = (ByteCount - 1)) and (PosInByte > 0) then 263 TBytes(Buffer)[I] := TBytes(Buffer)[I] and ((1 shl (Count mod 8)) - 1); 264 264 end; 265 265 Inc(FPosition, Count); … … 268 268 end; 269 269 270 function TMemoryBitStream.Write(const Buffer; Count:Longint):Longint;270 function TMemoryBitStream.Write(const Buffer; Count: Longint): Longint; 271 271 var 272 272 ByteCount: LongInt; 273 273 BitCount: LongInt; 274 WriteBitCount: Integer; 275 RestBitCount: Integer; 276 NextRestBitCount: Integer; 274 277 I: LongInt; 275 278 BytePos: Byte; … … 286 289 raise EWriteError.Create(SWriteError); 287 290 291 RestBitCount := 0; 292 NextRestBitCount := 0; 288 293 BitCount := Count; 289 294 ByteCount := Ceil(Count / 8); 295 Stream.Position := Trunc(FPosition / 8); 290 296 BytePos := FPosition mod 8; 291 Stream.Position := Trunc(FPosition / 8); 292 if Stream.Position < Stream.Size then begin 293 Data := Stream.ReadByte; 294 Stream.Position := Stream.Position - 1; 295 end else Data := 0; 296 for I := 0 to ByteCount - 1 do begin 297 Dec(BitCount, WriteToByte(Data, TBytes(Buffer)[I], BytePos, Min(8 - BytePos, BitCount))); 297 I := 0; 298 while (I < ByteCount) or (RestBitCount > 0) do begin 299 WriteBitCount := Min(8 - BytePos, BitCount); 300 if (Stream.Position < Stream.Size) and (WriteBitCount < 8) then begin 301 Data := Stream.ReadByte; 302 Stream.Position := Stream.Position - 1; 303 end else Data := 0; 304 305 // Write rest of previous source byte to target 306 if RestBitCount > 0 then begin 307 Dec(BitCount, WriteToByte(Data, TBytes(Buffer)[I - 1] shr (8 - BytePos), 0, RestBitCount)); 308 WriteBitCount := Min(8 - BytePos, BitCount); 309 end; 310 311 // Write part up to one byte from source to target 312 Dec(BitCount, WriteToByte(Data, TBytes(Buffer)[I], BytePos, WriteBitCount)); 298 313 Stream.WriteByte(Data); 299 Data := 0; 300 if (BitCount > 0) and (BytePos > 0) then begin 301 if (I = (ByteCount - 1)) and (Stream.Position < Stream.Size) then begin 302 Data := Stream.ReadByte; 303 Stream.Position := Stream.Position - 1; 304 end; 305 Dec(BitCount, WriteToByte(Data, TBytes(Buffer)[I] shr (8 - BytePos), 0, Min(BytePos, BitCount))); 306 if I = (ByteCount - 1) then 307 Stream.WriteByte(Data); 308 end; 314 315 RestBitCount := Min(8 - WriteBitCount, BitCount); 316 Inc(I); 309 317 end; 310 318 Inc(FPosition, Count);
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