From b0b348e4d1eebc69411be831b90b45ae71508429 Mon Sep 17 00:00:00 2001
From: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: Sat, 5 Feb 2011 11:55:51 +0100
Subject: [PATCH] libtriple: add ChangePids() to cRecord

This is pretty much untested for now, handle with care!
---
 libtriple/record_td.cpp | 39 +++++++++++++++++++++++++++++++++++++++
 libtriple/record_td.h   |  1 +
 2 files changed, 40 insertions(+)

diff --git a/libtriple/record_td.cpp b/libtriple/record_td.cpp
index 1ab9ed7..69ae551 100644
--- a/libtriple/record_td.cpp
+++ b/libtriple/record_td.cpp
@@ -119,6 +119,45 @@ bool cRecord::Stop(void)
 	return true;
 }
 
+bool cRecord::ChangePids(unsigned short /*vpid*/, unsigned short *apids, int numapids)
+{
+	std::vector<pes_pids> pids;
+	int j;
+	bool found;
+	unsigned short pid;
+	INFO("\n");
+	if (!dmx) {
+		INFO("DMX = NULL\n");
+		return false;
+	}
+	pids = dmx->getPesPids();
+	/* the first PID is the video pid, so start with the second PID... */
+	for (std::vector<pes_pids>::const_iterator i = pids.begin() + 1; i != pids.end(); ++i) {
+		found = false;
+		pid = (*i).pid;
+		for (j = 0; j < numapids; j++) {
+			if (pid == apids[j]) {
+				found = true;
+				break;
+			}
+		}
+		if (!found)
+			dmx->removePid(pid);
+	}
+	for (j = 0; j < numapids; j++) {
+		found = false;
+		for (std::vector<pes_pids>::const_iterator i = pids.begin() + 1; i != pids.end(); ++i) {
+			if ((*i).pid == apids[j]) {
+				found = true;
+				break;
+			}
+		}
+		if (!found)
+			dmx->addPid(apids[j]);
+	}
+	return true;
+}
+
 void cRecord::RecordThread()
 {
 	INFO("begin\n");
diff --git a/libtriple/record_td.h b/libtriple/record_td.h
index 3ee61c3..fc1261f 100644
--- a/libtriple/record_td.h
+++ b/libtriple/record_td.h
@@ -28,6 +28,7 @@ class cRecord
 		bool Open(int numpids);
 		bool Start(int fd, unsigned short vpid, unsigned short *apids, int numpids);
 		bool Stop(void);
+		bool ChangePids(unsigned short vpid, unsigned short *apids, int numapids);
 
 		void RecordThread();
 #if 0