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Code Issues Releases Wiki Activity

Fixed mapping the frame type bits when detecting independent frames in MPEG 4 video

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This commit is contained in:
Klaus Schmidinger 2012-09-14 09:11:18 +02:00
parent cc16e9fdc7
commit c9ac6f5196
3 changed files with 8 additions and 4 deletions
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2
CONTRIBUTORS
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@ -1322,6 +1322,8 @@ Reinhard Nissl <rnissl@gmx.de>
for reporting that the Transfer Mode indicator bitmap in the LCARS skin may not
fit with small font sizes
for reporting a race condition when zapping in transfer mode
for reporting an error in mapping the frame type bits when detecting independent
frames in MPEG 4 video
Richard Robson <richard_robson@beeb.net>
for reporting freezing replay if a timer starts while in Transfer Mode from the

4
HISTORY
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@ -7235,7 +7235,9 @@ Video Disk Recorder Revision History
function in order to make use of this new feature. See, for instance, the function
cSkinClassicDisplayMenu::SetButtons() in skinclassic.c for details.
2012-09-13: Version 1.7.31
2012-09-14: Version 1.7.31
- If regenerating an index file fails and no data is written to the file, VDR now
reports this error and removes the empty index file.
- Fixed mapping the frame type bits when detecting independent frames in MPEG 4
video (reported by Reinhard Nissl).

6
remux.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: remux.c 2.64 2012/03/02 10:56:49 kls Exp $
* $Id: remux.c 2.65 2012/09/14 09:06:14 kls Exp $
*/
#include "remux.h"
@ -974,8 +974,8 @@ int cFrameDetector::Analyze(const uchar *Data, int Length)
if (FrameTypeOffset >= TS_SIZE) // the byte to check is in the next TS packet
i = SkipPackets(Data, Length, Processed, FrameTypeOffset);
newFrame = true;
uchar FrameType = Data[FrameTypeOffset];
independentFrame = FrameType == 0x10;
uchar FrameType = Data[FrameTypeOffset] & 0xE0;
independentFrame = FrameType == 0x00;
if (synced) {
if (framesPerPayloadUnit < 0) {
payloadUnitOfFrame = (payloadUnitOfFrame + 1) % -framesPerPayloadUnit;