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-rw-r--r--server/streamer.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/server/streamer.c b/server/streamer.c
new file mode 100644
index 0000000..582fc6a
--- /dev/null
+++ b/server/streamer.c
@@ -0,0 +1,146 @@
+/*
+ * $Id: streamer.c,v 1.14 2005/05/09 20:22:29 lordjaxom Exp $
+ */
+
+#include <vdr/ringbuffer.h>
+#include <vdr/device.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "server/streamer.h"
+#include "server/suspend.h"
+#include "server/setup.h"
+#include "tools/socket.h"
+#include "tools/select.h"
+#include "common.h"
+
+// --- cStreamdevWriter -------------------------------------------------------
+
+cStreamdevWriter::cStreamdevWriter(cTBSocket *Socket,
+ cStreamdevStreamer *Streamer):
+ cThread("streamdev-writer"),
+ m_Streamer(Streamer),
+ m_Socket(Socket),
+ m_Active(false)
+{
+}
+
+cStreamdevWriter::~cStreamdevWriter()
+{
+ Dprintf("destructing writer\n");
+ m_Active = false;
+ Cancel(3);
+}
+
+void cStreamdevWriter::Action(void)
+{
+ cTBSelect sel;
+ Dprintf("Writer start\n");
+ int max = 0;
+ uchar *block = NULL;
+ int count, offset = 0;
+ m_Active = true;
+ while (m_Active) {
+ if (block == NULL) {
+ block = m_Streamer->Get(count);
+ offset = 0;
+ }
+
+ if (block != NULL) {
+ sel.Clear();
+ sel.Add(*m_Socket, true);
+ if (sel.Select(500) == -1) {
+ esyslog("ERROR: streamdev-server: couldn't send data: %m");
+ break;
+ }
+
+ if (sel.CanWrite(*m_Socket)) {
+ int written;
+ if ((written = m_Socket->Write(block + offset, count)) == -1) {
+ esyslog("ERROR: streamdev-server: couldn't send data: %m");
+ break;
+ }
+ if (count > max)
+ max = count;
+
+ offset += written;
+ count -= written;
+ if (count == 0) {
+ m_Streamer->Del(offset);
+ block = NULL;
+ }
+ }
+ }
+ }
+ m_Active = false;
+ Dprintf("Max. Transmit Blocksize was: %d\n", max);
+}
+
+// --- cStreamdevStreamer -----------------------------------------------------
+
+cStreamdevStreamer::cStreamdevStreamer(const char *Name):
+ cThread(Name),
+ m_Active(false),
+ m_Running(false),
+ m_Writer(NULL),
+ m_RingBuffer(new cRingBufferLinear(STREAMERBUFSIZE, TS_SIZE * 2,
+ true, "streamdev-streamer")),
+ m_SendBuffer(new cRingBufferLinear(WRITERBUFSIZE, TS_SIZE * 2))
+{
+ m_RingBuffer->SetTimeouts(0, 100);
+ m_SendBuffer->SetTimeouts(0, 100);
+}
+
+cStreamdevStreamer::~cStreamdevStreamer()
+{
+ Dprintf("Desctructing streamer\n");
+ delete m_RingBuffer;
+ delete m_SendBuffer;
+}
+
+void cStreamdevStreamer::Start(cTBSocket *Socket)
+{
+ Dprintf("start streamer\n");
+ m_Writer = new cStreamdevWriter(Socket, this);
+ m_Running = true;
+ Attach();
+}
+
+void cStreamdevStreamer::Activate(bool On)
+{
+ if (On && !m_Active) {
+ Dprintf("activate streamer\n");
+ m_Writer->Start();
+ cThread::Start();
+ }
+}
+
+void cStreamdevStreamer::Stop(void)
+{
+ if (m_Active) {
+ Dprintf("stopping streamer\n");
+ m_Active = false;
+ Cancel(3);
+ }
+ if (m_Running) {
+ Detach();
+ m_Running = false;
+ DELETENULL(m_Writer);
+ }
+}
+
+void cStreamdevStreamer::Action(void)
+{
+ m_Active = true;
+ while (m_Active) {
+ int got;
+ uchar *block = m_RingBuffer->Get(got);
+
+ if (block) {
+ int count = Put(block, got);
+ if (count)
+ m_RingBuffer->Del(count);
+ }
+ }
+}
+