mirror of
https://projects.vdr-developer.org/git/vdr-plugin-streamdev.git
synced 2023-10-10 19:16:51 +02:00
150 lines
2.9 KiB
C
150 lines
2.9 KiB
C
/*
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* $Id: streamer.c,v 1.16 2007/09/21 11:45:53 schmirl Exp $
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*/
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#include <vdr/ringbuffer.h>
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#include <vdr/device.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "server/streamer.h"
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#include "server/suspend.h"
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#include "server/setup.h"
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#include "tools/socket.h"
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#include "tools/select.h"
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#include "common.h"
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// --- cStreamdevWriter -------------------------------------------------------
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cStreamdevWriter::cStreamdevWriter(cTBSocket *Socket,
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cStreamdevStreamer *Streamer):
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cThread("streamdev-writer"),
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m_Streamer(Streamer),
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m_Socket(Socket),
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m_Active(false)
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{
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}
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cStreamdevWriter::~cStreamdevWriter()
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{
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Dprintf("destructing writer\n");
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m_Active = false;
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Cancel(3);
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}
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void cStreamdevWriter::Action(void)
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{
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cTBSelect sel;
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Dprintf("Writer start\n");
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int max = 0;
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uchar *block = NULL;
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int count, offset = 0;
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m_Active = true;
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sel.Clear();
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sel.Add(*m_Socket, true);
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while (m_Active) {
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if (block == NULL) {
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block = m_Streamer->Get(count);
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offset = 0;
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}
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if (block != NULL) {
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if (sel.Select(15000) == -1) {
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esyslog("ERROR: streamdev-server: couldn't send data: %m");
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break;
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}
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if (sel.CanWrite(*m_Socket)) {
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int written;
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if ((written = m_Socket->Write(block + offset, count)) == -1) {
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esyslog("ERROR: streamdev-server: couldn't send data: %m");
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break;
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}
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if (count > max)
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max = count;
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offset += written;
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count -= written;
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if (count == 0) {
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m_Streamer->Del(offset);
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block = NULL;
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}
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}
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}
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}
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m_Active = false;
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Dprintf("Max. Transmit Blocksize was: %d\n", max);
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}
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// --- cStreamdevStreamer -----------------------------------------------------
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cStreamdevStreamer::cStreamdevStreamer(const char *Name):
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cThread(Name),
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m_Active(false),
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m_Running(false),
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m_Writer(NULL),
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m_RingBuffer(new cRingBufferLinear(STREAMERBUFSIZE, TS_SIZE * 2,
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true, "streamdev-streamer")),
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m_SendBuffer(new cRingBufferLinear(WRITERBUFSIZE, TS_SIZE * 2))
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{
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m_RingBuffer->SetTimeouts(0, 100);
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m_SendBuffer->SetTimeouts(0, 100);
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}
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cStreamdevStreamer::~cStreamdevStreamer()
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{
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Dprintf("Desctructing streamer\n");
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delete m_RingBuffer;
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delete m_SendBuffer;
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}
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void cStreamdevStreamer::Start(cTBSocket *Socket)
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{
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Dprintf("start streamer\n");
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m_Writer = new cStreamdevWriter(Socket, this);
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m_Running = true;
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Attach();
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}
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void cStreamdevStreamer::Activate(bool On)
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{
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if (On && !m_Active) {
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Dprintf("activate streamer\n");
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m_Writer->Start();
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cThread::Start();
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}
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}
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void cStreamdevStreamer::Stop(void)
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{
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if (m_Active) {
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Dprintf("stopping streamer\n");
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m_Active = false;
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Cancel(3);
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}
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if (m_Running) {
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Detach();
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m_Running = false;
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DELETENULL(m_Writer);
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}
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}
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void cStreamdevStreamer::Action(void)
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{
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m_Active = true;
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while (m_Active) {
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int got;
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uchar *block = m_RingBuffer->Get(got);
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if (block) {
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int count = Put(block, got);
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if (count)
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m_RingBuffer->Del(count);
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else
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cCondWait::SleepMs(100);
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}
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}
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}
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