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-rw-r--r--mpeglib/lib/decoder/cddaPlugin.cpp150
1 files changed, 150 insertions, 0 deletions
diff --git a/mpeglib/lib/decoder/cddaPlugin.cpp b/mpeglib/lib/decoder/cddaPlugin.cpp
new file mode 100644
index 00000000..fe84986b
--- /dev/null
+++ b/mpeglib/lib/decoder/cddaPlugin.cpp
@@ -0,0 +1,150 @@
+/*
+ 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
+