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/*
splay player plugin
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 "cddaPlugin.h"
#ifdef CDDA_PARANOIA
#include <sys/types.h>
#include <iostream>
using namespace std;
typedef int16_t size16;
typedef int32_t size32;
extern "C" {
#include <cdda_interface.h>
#include <cdda_paranoia.h>
}
CDDAPlugin::CDDAPlugin() {
}
CDDAPlugin::~CDDAPlugin() {
}
// here we can config our decoder with special flags
void CDDAPlugin::config(const char* key,const char* value,void* user_data) {
DecoderPlugin::config(key,value,user_data);
}
void CDDAPlugin::decoder_loop() {
if (input == NULL) {
cout << "CDDAPlugin::decoder_loop input is NULL"<<endl;
exit(0);
}
if (output == NULL) {
cout << "CDDAPlugin::decoder_loop output is NULL"<<endl;
exit(0);
}
// init decoder
output->audioInit();
TimeStamp* stamp;
char buf[CD_FRAMESIZE_RAW*4];
int len=0;
// start decoding
while(runCheck()) {
switch(streamState) {
case _STREAM_STATE_FIRST_INIT :
output->audioSetup(44100,1,0,0,16);
output->audioOpen();
setStreamState(_STREAM_STATE_PLAY);
len=getTotalLength();
pluginInfo->setLength(len);
output->writeInfo(pluginInfo);
break;
case _STREAM_STATE_INIT :
setStreamState(_STREAM_STATE_PLAY);
break;
case _STREAM_STATE_PLAY : {
// decode
int read=input->read(buf,2*CD_FRAMESIZE_RAW);
int pos=input->getBytePosition();
stamp=input->getTimeStamp(pos);
output->audioPlay(stamp,stamp,buf,read);
break;
}
case _STREAM_STATE_WAIT_FOR_END:
// exit while loop
lDecoderLoop=false;
break;
default:
cout << "unknown stream state:"<<streamState<<endl;
}
}
// remove decoder
output->audioFlush();
}
// splay can seek in streams
int CDDAPlugin::seek_impl(int second) {
int bytes_per_second;
int seconds;
int back;
float frequence=44100;
int bits=16;
int channels=2;
bytes_per_second = (int)(frequence * channels * (bits / 8));
seconds = bytes_per_second * second;
cout << "seek to :"<<seconds<<endl;
back=input->seek(seconds);
return true;
}
int CDDAPlugin::getTotalLength() {
shutdownLock();
float wavfilesize;
int back=0;
float frequence=44100;
if (input == NULL) {
shutdownUnlock();
return 0;
}
wavfilesize = input->getByteLength();
int bits=16;
int channels=2;
if (bits == 16) {
wavfilesize=wavfilesize/2;
}
if (channels==2) {
wavfilesize=wavfilesize/2;
}
if (frequence != 0) {
back=(int)(wavfilesize/frequence);
}
shutdownUnlock();
return back;
}
#endif
//CDDA_PARANOIA
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