From 4a594e382e063bc9f313683d2bd6c679cbad0e9a Mon Sep 17 00:00:00 2001
From: Felix Domke <tmbinc@elitedvb.net>
Date: Wed, 18 Jan 2006 15:46:35 +0000
Subject: [PATCH] experimental PVR commit support

---
 lib/base/filepush.cpp | 24 +++++++++++++++++++++++-
 lib/base/filepush.h   |  2 ++
 lib/dvb/dvb.cpp       |  1 +
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/lib/base/filepush.cpp b/lib/base/filepush.cpp
index 7ab8c0d3..39319a24 100644
--- a/lib/base/filepush.cpp
+++ b/lib/base/filepush.cpp
@@ -3,11 +3,15 @@
 #include <lib/base/eerror.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <sys/ioctl.h>
+
+#define PVR_COMMIT 1
 
 eFilePushThread::eFilePushThread(): m_messagepump(eApp, 0)
 {
 	m_stop = 0;
 	flush();
+	enablePVRCommit(0);
 	CONNECT(m_messagepump.recv_msg, eFilePushThread::recvEvent);
 }
 
@@ -18,6 +22,8 @@ static void signal_handler(int x)
 void eFilePushThread::thread()
 {
 	off_t dest_pos = 0;
+	
+	int already_empty = 0;
 	eDebug("FILEPUSH THREAD START");
 		// this is a race. FIXME.
 	
@@ -66,6 +72,17 @@ void eFilePushThread::thread()
 		}
 		if (m_buf_end == 0)
 		{
+				/* on EOF, try COMMITting once. */
+			if (m_send_pvr_commit && !already_empty)
+			{
+				eDebug("sending PVR commit");
+				already_empty = 1;
+				if (::ioctl(m_fd_dest, PVR_COMMIT) == EINTR)
+					continue;
+				eDebug("commit done");
+						/* well check again */
+				continue;
+			}
 			sendEvent(evtEOF);
 
 #if 0
@@ -77,7 +94,8 @@ void eFilePushThread::thread()
 			}
 #endif
 			break;
-		}
+		} else
+			already_empty = 0;
 //		printf("FILEPUSH: read %d bytes\n", m_buf_end);
 	}
 	
@@ -119,6 +137,10 @@ void eFilePushThread::flush()
 	m_buf_start = m_buf_end = 0;
 }
 
+void eFilePushThread::enablePVRCommit(int s)
+{
+	m_send_pvr_commit = s;
+}
 
 void eFilePushThread::sendEvent(int evt)
 {
diff --git a/lib/base/filepush.h b/lib/base/filepush.h
index 7eb79974..f2bd98be 100644
--- a/lib/base/filepush.h
+++ b/lib/base/filepush.h
@@ -20,6 +20,7 @@ public:
 	
 		/* flushes the internal readbuffer */ 
 	void flush();
+	void enablePVRCommit(int);
 	
 	enum { evtEOF, evtReadError, evtWriteError };
 	Signal1<void,int> m_event;
@@ -29,6 +30,7 @@ private:
 	unsigned char m_buffer[65536];
 	int m_buf_start, m_buf_end;
 	int m_fd_source, m_fd_dest;
+	int m_send_pvr_commit;
 	
 	eFixedMessagePump<int> m_messagepump;
 	
diff --git a/lib/dvb/dvb.cpp b/lib/dvb/dvb.cpp
index 6a0211ec..5c8c2cf6 100644
--- a/lib/dvb/dvb.cpp
+++ b/lib/dvb/dvb.cpp
@@ -749,6 +749,7 @@ RESULT eDVBChannel::playFile(const char *file)
 	m_stateChanged(this);
 	
 	m_pvr_thread = new eFilePushThread();
+	m_pvr_thread->enablePVRCommit(1);
 	m_pvr_thread->start(m_pvr_fd_src, m_pvr_fd_dst);
 	CONNECT(m_pvr_thread->m_event, eDVBChannel::pvrEvent);
 
-- 
2.30.2