summaryrefslogtreecommitdiff
path: root/dvbplayer.c
diff options
context:
space:
mode:
Diffstat (limited to 'dvbplayer.c')
-rw-r--r--dvbplayer.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/dvbplayer.c b/dvbplayer.c
index efd767f1..f61e0c91 100644
--- a/dvbplayer.c
+++ b/dvbplayer.c
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: dvbplayer.c 1.42 2006/01/08 11:39:41 kls Exp $
+ * $Id: dvbplayer.c 1.43 2006/02/19 14:20:15 kls Exp $
*/
#include "dvbplayer.h"
@@ -80,6 +80,8 @@ private:
int length;
bool hasData;
cCondWait newSet;
+ cCondVar newDataCond;
+ cMutex newDataMutex;
protected:
void Action(void);
public:
@@ -88,6 +90,7 @@ public:
void Clear(void);
int Read(cUnbufferedFile *File, uchar *Buffer, int Length);
bool Reading(void) { return buffer; }
+ bool WaitForDataMs(int msToWait);
};
cNonBlockingFileReader::cNonBlockingFileReader(void)
@@ -150,8 +153,11 @@ void cNonBlockingFileReader::Action(void)
int r = f->Read(buffer + length, wanted - length);
if (r >= 0) {
length += r;
- if (!r || length == wanted) // r == 0 means EOF
+ if (!r || length == wanted) { // r == 0 means EOF
+ cMutexLock NewDataLock(&newDataMutex);
hasData = true;
+ newDataCond.Broadcast();
+ }
}
else if (r < 0 && FATALERRNO) {
LOG_ERROR;
@@ -164,6 +170,14 @@ void cNonBlockingFileReader::Action(void)
}
}
+bool cNonBlockingFileReader::WaitForDataMs(int msToWait)
+{
+ cMutexLock NewDataLock(&newDataMutex);
+ if (hasData)
+ return true;
+ return newDataCond.TimedWait(newDataMutex, msToWait);
+}
+
// --- cDvbPlayer ------------------------------------------------------------
#define PLAYERBUFSIZE MEGABYTE(1)
@@ -362,10 +376,14 @@ void cDvbPlayer::Action(void)
nonBlockingFileReader = new cNonBlockingFileReader;
int Length = 0;
bool Sleep = false;
+ bool WaitingForData = false;
while (Running() && (NextFile() || readIndex >= 0 || ringBuffer->Available() || !DeviceFlush(100))) {
if (Sleep) {
- cCondWait::SleepMs(3); // this keeps the CPU load low
+ if (WaitingForData)
+ nonBlockingFileReader->WaitForDataMs(3); // this keeps the CPU load low, but reacts immediately on new data
+ else
+ cCondWait::SleepMs(3); // this keeps the CPU load low
Sleep = false;
}
cPoller Poller;
@@ -423,11 +441,14 @@ void cDvbPlayer::Action(void)
}
int r = nonBlockingFileReader->Read(replayFile, b, Length);
if (r > 0) {
+ WaitingForData = false;
readFrame = new cFrame(b, -r, ftUnknown, readIndex); // hands over b to the ringBuffer
b = NULL;
}
else if (r == 0)
eof = true;
+ else if (r < 0 && errno == EAGAIN)
+ WaitingForData = true;
else if (r < 0 && FATALERRNO) {
LOG_ERROR;
break;