Merge branch 'bug_245_record_playback_fixes' into experimental

3 files changed, 18 insertions, 11 deletions

diff --git a/lib/dvb/dvb.cpp b/lib/dvb/dvb.cpp
index 894287e8..a8dfb193 100644
--- a/lib/dvb/dvb.cpp
+++ b/lib/dvb/dvb.cpp
@@ -1462,12 +1462,7 @@ void eDVBChannel::getNextSourceSpan(off_t current_offset, size_t bytes_read, off
 			continue;
 		}
 		
-		size_t iframe_len;
-			/* try to align to iframe */
-		int direction = pts < 0 ? -1 : 1;
-		m_tstools.findFrame(offset, iframe_len, direction);
-
-		eDebug("ok, resolved skip (rel: %d, diff %lld), now at %08llx (skipped additional %d frames due to iframe re-align)", relative, pts, offset, direction);
+		eDebug("ok, resolved skip (rel: %d, diff %lld), now at %08llx", relative, pts, offset);
 		current_offset = align(offset, blocksize); /* in case tstools return non-aligned offset */
 	}
 
diff --git a/lib/dvb/pvrparse.cpp b/lib/dvb/pvrparse.cpp
index 1393bf77..5cdecbd6 100644
--- a/lib/dvb/pvrparse.cpp
+++ b/lib/dvb/pvrparse.cpp
@@ -244,6 +244,7 @@ off_t eMPEGStreamInformation::getAccessPoint(pts_t ts, int marg)
 	off_t last = 0;
 	off_t last2 = 0;
 	pts_t lastc = 0;
+	ts += 1; // Add rounding error margin
 	for (std::map<off_t, pts_t>::const_iterator i(m_access_points.begin()); i != m_access_points.end(); ++i)
 	{
 		pts_t delta = getDelta(i->first);
diff --git a/lib/dvb/tstools.cpp b/lib/dvb/tstools.cpp
index a9eef406..2e5c5665 100644
--- a/lib/dvb/tstools.cpp
+++ b/lib/dvb/tstools.cpp
@@ -652,18 +652,23 @@ int eDVBTSTools::findFrame(off_t &_offset, size_t &len, int &direction, int fram
 
 int eDVBTSTools::findNextPicture(off_t &offset, size_t &len, int &distance, int frame_types)
 {
-	int nr_frames = 0;
+	int nr_frames, direction;
 //	eDebug("trying to move %d frames at %llx", distance, offset);
 	
 	frame_types = frametypeI; /* TODO: intelligent "allow IP frames when not crossing an I-Frame */
 
-	int direction = distance > 0 ? 0 : -1;
-	distance = abs(distance);
-	
 	off_t new_offset = offset;
 	size_t new_len = len;
 	int first = 1;
 
+	if (distance > 0) {
+		direction = 0;
+                nr_frames = 0;
+        } else {
+		direction = -1;
+                nr_frames = -1;
+		distance = -distance+1;
+        }	
 	while (distance > 0)
 	{
 		int dir = direction;
@@ -677,12 +682,18 @@ int eDVBTSTools::findNextPicture(off_t &offset, size_t &len, int &distance, int
 		
 //		eDebug("we moved %d, %d to go frames (now at %llx)", dir, distance, new_offset);
 
-		if (distance >= 0 || first)
+		if (distance >= 0 || direction == 0)
 		{
 			first = 0;
 			offset = new_offset;
 			len = new_len;
 			nr_frames += abs(dir);
+		} 
+		else if (first) {
+			first = 0;
+			offset = new_offset;
+			len = new_len;
+			nr_frames += abs(dir) + distance; // never jump forward during rewind
 		}
 	}