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/*
generic output class
Copyright (C) 1999 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#include "outputStream.h"
#include "../util/mmx/mmx.h"
#include <iostream>
using namespace std;
OutputStream::OutputStream() {
// we call mm_support() here because it is the only position
// where we gurantee that not threads are
// running (the call is not thread safe)
// afer the call we never execute the asm part again
// and everything is fine
mm_support();
abs_thread_mutex_init(&stateChangeMut);
abs_thread_cond_init(&stateChangeCond);
audioState=0;
videoState=0;
audioInit();
videoInit();
}
OutputStream::~OutputStream() {
audioInit();
videoInit();
abs_thread_cond_destroy(&stateChangeCond);
abs_thread_mutex_destroy(&stateChangeMut);
}
int OutputStream::audioInit() {
sendSignal(_STREAM_MASK_IS_INIT,false,_STREAMTYPE_AUDIO);
sendSignal(_STREAM_MASK_IS_EOF,false,_STREAMTYPE_AUDIO);
sendSignal(_STREAM_MASK_IS_DATA,false,_STREAMTYPE_AUDIO);
return true;
}
int OutputStream::audioSetup(int ,int ,
int ,int ,int ) {
sendSignal(_STREAM_MASK_IS_INIT,true,_STREAMTYPE_AUDIO);
return true;
}
int OutputStream::audioPlay(TimeStamp* ,
TimeStamp* ,char* , int len) {
sendSignal(_STREAM_MASK_IS_DATA,true,_STREAMTYPE_AUDIO);
return len;
}
void OutputStream::audioFlush() {
sendSignal(_STREAM_MASK_IS_EOF,true,_STREAMTYPE_AUDIO);
}
void OutputStream::audioClose() {
cerr << "direct virtual call OutputStream::audioClose"<<endl;
exit(0);
}
void OutputStream::audioOpen() {
cerr << "direct virtual call OutputStream::audioOpen"<<endl;
exit(0);
}
void OutputStream::sendSignal(int signal,int value,int streamType) {
abs_thread_mutex_lock(&stateChangeMut);
int* modifyState=NULL;
switch(streamType) {
case _STREAMTYPE_AUDIO:
modifyState=&audioState;
break;
case _STREAMTYPE_VIDEO:
modifyState=&videoState;
break;
default:
cout << "unknown streamType:"<<streamType
<<" in OutputStream::sendSignal"<<endl;
exit(0);
}
// should we set the bit?
if (value==true) {
// set it with "or"
*modifyState|=signal;
} else {
// we should remove the bit
// is it currently set?
if (*modifyState & signal) {
// remove it
*modifyState-=signal;
}
}
abs_thread_cond_signal(&stateChangeCond);
abs_thread_mutex_unlock(&stateChangeMut);
}
int OutputStream::getPreferredDeliverSize() {
cerr << "direct virtual call OutputStream::getPreferredDeliverSize()"<<endl;
return 4096;
}
int OutputStream::videoInit() {
sendSignal(_STREAM_MASK_IS_INIT,false,_STREAMTYPE_VIDEO);
sendSignal(_STREAM_MASK_IS_EOF,false,_STREAMTYPE_VIDEO);
sendSignal(_STREAM_MASK_IS_DATA,false,_STREAMTYPE_VIDEO);
return true;
}
int OutputStream::openWindow(int , int ,const char* ) {
sendSignal(_STREAM_MASK_IS_INIT,true,_STREAMTYPE_VIDEO);
return true;
}
int OutputStream::x11WindowId() {
cout << "direct virtual call OutputStream::x11WindowId()" << endl;
return -1;
}
void OutputStream::closeWindow() {
cerr << "direct virtual call OutputStream::closeWindow"<<endl;
exit(0);
}
void OutputStream::flushWindow() {
sendSignal(_STREAM_MASK_IS_EOF,true,_STREAMTYPE_VIDEO);
}
PictureArray* OutputStream::lockPictureArray() {
cerr << "direct virtual call OutputStream::lockPictureArray"<<endl;
exit(0);
return NULL;
}
void OutputStream::unlockPictureArray(PictureArray* ) {
sendSignal(_STREAM_MASK_IS_DATA,true,_STREAMTYPE_VIDEO);
}
int OutputStream::getOutputInit() {
cerr << "direct virtual call OutputStream::getOutputInit"<<endl;
exit(0);
return false;
}
void OutputStream::setOutputInit(int lInit) {
cerr << "direct virtual call OutputStream::setOutputInit:"<<lInit<<endl;
exit(0);
}
void OutputStream::writeInfo(PluginInfo* ) {
}
void OutputStream::config(const char* key,
const char* value,void* user_data) {
cerr << "direct virtual call OutputStream::config"<<endl;
printf("key:%s\n",key);
printf("value:%s\n",value);
printf("user_data:%p\n",user_data);
exit(0);
}
int OutputStream::getFrameusec() {
cerr << "direct virtual call OutputStream::getFrameusec"<<endl;
return 0;
}
int OutputStream::waitStreamState(int method,int mask,int streamType) {
int* waitState=NULL;
switch(streamType) {
case _STREAMTYPE_AUDIO:
waitState=&audioState;
break;
case _STREAMTYPE_VIDEO:
waitState=&videoState;
break;
default:
cout << "unknown streamType:"<<streamType
<<" in OutputStream::waitStreamState"<<endl;
exit(0);
}
if (method == _OUTPUT_WAIT_METHOD_BLOCK) {
abs_thread_mutex_lock(&stateChangeMut);
while ((*waitState &= mask)==0) {
cout << "waitStreamState:"<<waitState<<endl;
cout << "mask:"<<mask<<endl;
abs_thread_cond_wait(&stateChangeCond,&stateChangeMut);
}
abs_thread_mutex_unlock(&stateChangeMut);
return true;
}
int back=false;
if (method == _OUTPUT_WAIT_METHOD_POLL) {
abs_thread_mutex_lock(&stateChangeMut);
back=*waitState;
abs_thread_mutex_unlock(&stateChangeMut);
return back;
}
cout << " OutputStream::waitStreamState method not implemented"<<endl;
exit(0);
return 0;
}
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