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Implemented handling of HD resolution subtitles according to v1.3.1 of ETSI EN 300 743, chapter 7.2.1 (cont'd)

This commit is contained in:
Klaus Schmidinger 2010-06-05 14:03:55 +02:00
parent 9377d831b3
commit fd42609883
1 changed files with 11 additions and 5 deletions
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16
dvbsubtitle.c
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@ -7,7 +7,7 @@
* Original author: Marco Schlüßler <marco@lordzodiac.de>
* With some input from the "subtitle plugin" by Pekka Virtanen <pekka.virtanen@sci.fi>
*
* $Id: dvbsubtitle.c 2.5 2010/05/13 14:43:44 kls Exp $
* $Id: dvbsubtitle.c 2.6 2010/06/05 14:03:55 kls Exp $
*/
#include "dvbsubtitle.h"
@ -1017,10 +1017,16 @@ int cDvbSubtitleConverter::ExtractSegment(const uchar *Data, int Length, int64_t
int version = (Data[6] & 0xF0) >> 4;
if (version != ddsVersionNumber) {
int displayWindowFlag = (Data[6] & 0x08) >> 3;
displayWidth = (Data[7] << 8) | Data[8];
displayHeight = (Data[9] << 8) | Data[10];
displayHorizontalOffset = displayWindowFlag ? Data[11] : 0; // displayWindowHorizontalPositionMinimum
displayVerticalOffset = displayWindowFlag ? Data[13] : 0; // displayWindowVerticalPositionMinimum
displayHorizontalOffset = 0;
displayVerticalOffset = 0;
displayWidth = ((Data[7] << 8) | Data[8]) + 1;
displayHeight = ((Data[9] << 8) | Data[10]) + 1;
if (displayWindowFlag) {
displayHorizontalOffset = (Data[11] << 8) | Data[12]; // displayWindowHorizontalPositionMinimum
displayWidth = ((Data[13] << 8) | Data[14]) - displayHorizontalOffset + 1; // displayWindowHorizontalPositionMaximum
displayVerticalOffset = (Data[15] << 8) | Data[16]; // displayWindowVerticalPositionMinimum
displayHeight = ((Data[17] << 8) | Data[18]) - displayVerticalOffset + 1; // displayWindowVerticalPositionMaximum
}
SetupChanged();
ddsVersionNumber = version;
}