UCV TV error CC

http://www.dvbviewer.tv/forum/topic/55038-problem-with-subtitle/


Caption statement unit from UCV HD (Chile) using a bad method for erasing subtitles, that does not work reliably with Windows software resp. Windows standard fonts:

  <UCV HD ISDB_Subtitles>
    <ISDB_Subtitles PID="555">
      <Service String="_Service 32"/>
      <PESPacket_4 Value="179" Unit="Byte">
        <PTS String="01:36:26.895"/>
        <DataGroupID HValue="0x01" Name="Caption Statement">
          <DataGroupVersion Value="0"/>
          <DataGroupLinkNumber Value="0"/>
          <LastDataGroupLinkNumber Value="0"/>
          <DataGroupSize Value="137" Unit="Byte"/>
          <TimeControlMode Value="0" Name="Free"/>
          <DataUnit_0 HValue="0x20" Name="Character data">
            <DataUnitSize Value="128" Unit="Byte"/>
            <CSI Dump="9B 37 20 53" Name="SWF Set writing format 7 Horizontal 960 x 540"/>
            <CSI Dump="9B 31 37 36 3B 31 30 31 20 5F" Name="SDP Set display position 176 101"/>
            <CSI Dump="9B 36 30 38 3B 33 39 30 20 56" Name="SDF Set display format 608 390"/>
            <CSI Dump="9B 33 36 3B 33 36 20 57" Name="SSM Character composition dot designation 36 36"/>
            <CSI Dump="9B 32 20 58" Name="SHS Set horizontal spacing 2"/>
            <CSI Dump="9B 31 36 20 59" Name="SVS Set vertical spacing 16"/>
            <CSI Dump="9B 38 20 6E" Name="RCS Raster colour command 8 transparent"/>
            <SSZ Dump="88" Name="Small size"/>
            <WHF Dump="87" Name="foreground colour 7"/>
            <APS Dump="1C 4D 40" Name="Set active position 13 down 0 forward"/>
            <APS Dump="1C 4D 40" Name="Set active position 13 down 0 forward"/>
            <COL Dump="90 50" Name="background colour 0"/>
            <Text String="&gt;&gt; VAN A SABER QUE NO ES SEGURO "/>
            <COL Dump="90 58" Name="background colour 8"/>
            <APS Dump="1C 4E 40" Name="Set active position 14 down 0 forward"/>
            <COL Dump="90 50" Name="background colour 0"/>
            <Text String="Y ESTARá PUESTO COMO "/>
            <COL Dump="90 58" Name="background colour 8"/>
            <Text String="           "/> <================ captions erased by overwriting them with blanks
          </DataUnit_0>
        </DataGroupID>
      </PESPacket_4>

Caption statement unit from SBT HD (Brazil) using the correct method for erasing subtitles, that works in all cases:

  <SBT_HD_ISDB_Subtitles>
    <ISDB_Subtitles PID="520">
      <Service String="SBT HD"/>
      <PESPacket_1 Value="128" Unit="Byte">
        <PTS String="08:25:28.366"/>
        <DataGroupID HValue="0x01" Name="Caption Statement">
          <DataGroupVersion Value="0"/>
          <DataGroupLinkNumber Value="0"/>
          <LastDataGroupLinkNumber Value="0"/>
          <DataGroupSize Value="86" Unit="Byte"/>
          <TimeControlMode Value="0" Name="Free"/>
          <DataUnit_0 HValue="0x20" Name="Character data">
            <DataUnitSize Value="77" Unit="Byte"/>
            <CS Dump="0C" Name="Clear screen"/> <========================== Captions erased by using the CS command
            <CSI Dump="9B 37 20 53" Name="SWF Set writing format 7 Horizontal 960 x 540"/>
            <CSI Dump="9B 31 37 36 3B 39 39 20 5F" Name="SDP Set display position 176 99"/>
            <CSI Dump="9B 36 30 38 3B 33 39 30 20 56" Name="SDF Set display format 608 390"/>
            <CSI Dump="9B 33 36 3B 33 36 20 57" Name="SSM Character composition dot designation 36 36"/>
            <CSI Dump="9B 32 20 58" Name="SHS Set horizontal spacing 2"/>
            <CSI Dump="9B 31 36 20 59" Name="SVS Set vertical spacing 16"/>
            <CSI Dump="9B 38 20 6E" Name="RCS Raster colour command 8 transparent"/>
            <SSZ Dump="88" Name="Small size"/>
            <APS Dump="1C 40 40" Name="Set active position 0 down 0 forward"/>
            <WHF Dump="87" Name="foreground colour 7"/>
            <COL Dump="90 50" Name="background colour 0"/>
            <APF Dump="09" Name="Active position forward"/>
            <APF Dump="09" Name="Active position forward"/>
            <APF Dump="09" Name="Active position forward"/>
            <APF Dump="09" Name="Active position forward"/>
            <APF Dump="09" Name="Active position forward"/>
            <APF Dump="09" Name="Active position forward"/>
            <Text String="How would you know?"/>
          </DataUnit_0>
        </DataGroupID>
      </PESPacket_1>