From 2a0689a69ba995ec3adcf1cd6cc20146a6d4ef58 Mon Sep 17 00:00:00 2001
From: ghost <andreas.monzner@multimedia-labs.de>
Date: Tue, 9 Nov 2010 23:29:55 +0100
Subject: [PATCH 1/1] tstools.h/cpp: migrate to iDataSource

---
 lib/dvb/tstools.cpp | 83 +++++++++++++++++++++++++++++++++++------------------
 lib/dvb/tstools.h   |  8 ++++--
 2 files changed, 60 insertions(+), 31 deletions(-)

diff --git a/lib/dvb/tstools.cpp b/lib/dvb/tstools.cpp
index d5ad249..7739f60 100644
--- a/lib/dvb/tstools.cpp
+++ b/lib/dvb/tstools.cpp
@@ -7,7 +7,6 @@
 #include <stdio.h>
 
 eDVBTSTools::eDVBTSTools()
-	:m_file_lock(true)
 {
 	m_pid = -1;
 	m_maxrange = 256*1024;
@@ -23,19 +22,41 @@ eDVBTSTools::eDVBTSTools()
 	m_futile = 0;
 }
 
+void eDVBTSTools::closeSource()
+{
+	m_source = NULL;
+}
+
 eDVBTSTools::~eDVBTSTools()
 {
-	closeFile();
+	closeSource();
 }
 
 int eDVBTSTools::openFile(const char *filename, int nostreaminfo)
 {
+	eRawFile *f = new eRawFile();
+	ePtr<iDataSource> src = f;
+
+	eSingleLocker l(f->getLock());
+
+	if (f->open(filename, 1) < 0)
+		return -1;
+
+	setSource(src, filename);
+
+	return 0;
+}
+
+void eDVBTSTools::setSource(ePtr<iDataSource> source, const char *stream_info_filename)
+{
 	closeFile();
-	
-	if (!nostreaminfo)
+
+	m_source = source;
+
+	if (stream_info_filename)
 	{
-		eDebug("loading streaminfo for %s", filename);
-		m_streaminfo.load(filename);
+		eDebug("loading streaminfo for %s", stream_info_filename);
+		m_streaminfo.load(stream_info_filename);
 	}
 	
 	if (!m_streaminfo.empty())
@@ -45,19 +66,16 @@ int eDVBTSTools::openFile(const char *filename, int nostreaminfo)
 //		eDebug("no recorded stream information available");
 		m_use_streaminfo = 0;
 	}
-	
-	m_samples_taken = 0;
 
-	eSingleLocker l(m_file_lock);
-	if (m_file.open(filename, 1) < 0)
-		return -1;
-	return 0;
+	m_samples_taken = 0;
 }
 
 void eDVBTSTools::closeFile()
 {
-	eSingleLocker l(m_file_lock);
-	m_file.close();
+	if (m_source) {
+		eSingleLocker l(m_source->getLock());
+		closeSource();
+	}
 }
 
 void eDVBTSTools::setSyncPID(int pid)
@@ -77,13 +95,16 @@ int eDVBTSTools::getPTS(off_t &offset, pts_t &pts, int fixed)
 		if (!m_streaminfo.getPTS(offset, pts))
 			return 0;
 	
-	if (!m_file.valid())
+	if (!m_source->valid())
 		return -1;
 
 	offset -= offset % 188;
 
-	eSingleLocker l(m_file_lock);
-	if (m_file.lseek(offset, SEEK_SET) < 0)
+	iDataSourcePositionRestorer r(m_source);
+
+	eSingleLocker l(m_source->getLock());
+
+	if (m_source->lseek(offset, SEEK_SET) < 0)
 	{
 		eDebug("lseek failed");
 		return -1;
@@ -94,7 +115,7 @@ int eDVBTSTools::getPTS(off_t &offset, pts_t &pts, int fixed)
 	while (left >= 188)
 	{
 		unsigned char packet[188];
-		if (m_file.read(packet, 188) != 188)
+		if (m_source->read(packet, 188) != 188)
 		{
 			eDebug("read error");
 			break;
@@ -112,7 +133,7 @@ int eDVBTSTools::getPTS(off_t &offset, pts_t &pts, int fixed)
 					break;
 				++i;
 			}
-			offset = m_file.lseek(i - 188, SEEK_CUR);
+			offset = m_source->lseek(i - 188, SEEK_CUR);
 			continue;
 		}
 		
@@ -404,7 +425,7 @@ int eDVBTSTools::getNextAccessPoint(pts_t &ts, const pts_t &start, int direction
 
 void eDVBTSTools::calcBegin()
 {
-	if (!m_file.valid())
+	if (!m_source->valid())
 		return;
 
 	if (!(m_begin_valid || m_futile))
@@ -419,11 +440,14 @@ void eDVBTSTools::calcBegin()
 
 void eDVBTSTools::calcEnd()
 {
-	if (!m_file.valid())
+	if (!m_source->valid())
 		return;
 
-	eSingleLocker l(m_file_lock);
-	off_t end = m_file.lseek(0, SEEK_END);
+	iDataSourcePositionRestorer r(m_source);
+
+	eSingleLocker l(m_source->getLock());
+
+	off_t end = m_source->lseek(0, SEEK_END);
 	
 	if (llabs(end - m_last_filelength) > 1*1024*1024)
 	{
@@ -573,14 +597,17 @@ int eDVBTSTools::takeSample(off_t off, pts_t &p)
 int eDVBTSTools::findPMT(int &pmt_pid, int &service_id)
 {
 		/* FIXME: this will be factored out soon! */
-	if (!m_file.valid())
+	if (!m_source->valid())
 	{
 		eDebug(" file not valid");
 		return -1;
 	}
 
-	eSingleLocker l(m_file_lock);
-	if (m_file.lseek(0, SEEK_SET) < 0)
+	iDataSourcePositionRestorer r(m_source);
+
+	eSingleLocker l(m_source->getLock());
+
+	if (m_source->lseek(0, SEEK_SET) < 0)
 	{
 		eDebug("seek failed");
 		return -1;
@@ -591,7 +618,7 @@ int eDVBTSTools::findPMT(int &pmt_pid, int &service_id)
 	while (left >= 188)
 	{
 		unsigned char packet[188];
-		if (m_file.read(packet, 188) != 188)
+		if (m_source->read(packet, 188) != 188)
 		{
 			eDebug("read error");
 			break;
@@ -607,7 +634,7 @@ int eDVBTSTools::findPMT(int &pmt_pid, int &service_id)
 					break;
 				++i;
 			}
-			m_file.lseek(i - 188, SEEK_CUR);
+			m_source->lseek(i - 188, SEEK_CUR);
 			continue;
 		}
 		
diff --git a/lib/dvb/tstools.h b/lib/dvb/tstools.h
index ed8b924..41312c4 100644
--- a/lib/dvb/tstools.h
+++ b/lib/dvb/tstools.h
@@ -19,9 +19,12 @@ public:
 	eDVBTSTools();
 	~eDVBTSTools();
 
+	void setSource(ePtr<iDataSource> source, const char *streaminfo_filename=NULL);
+	void closeSource();
+
 	int openFile(const char *filename, int nostreaminfo = 0);
 	void closeFile();
-	
+
 	void setSyncPID(int pid);
 	void setSearchRange(int maxrange);
 	
@@ -77,8 +80,7 @@ private:
 	int m_pid;
 	int m_maxrange;
 
-	eSingleLock m_file_lock;
-	eRawFile m_file;
+	ePtr<iDataSource> m_source;
 
 	int m_begin_valid, m_end_valid;
 	pts_t m_pts_begin, m_pts_end;
-- 
2.7.4