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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch)
tree9047cf9e6b5c43878d5bf82660adae77ceee097a /mpeglib/lib/oggvorbis/ovFramer.cpp
downloadtdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'mpeglib/lib/oggvorbis/ovFramer.cpp')
-rw-r--r--mpeglib/lib/oggvorbis/ovFramer.cpp128
1 files changed, 128 insertions, 0 deletions
diff --git a/mpeglib/lib/oggvorbis/ovFramer.cpp b/mpeglib/lib/oggvorbis/ovFramer.cpp
new file mode 100644
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+++ b/mpeglib/lib/oggvorbis/ovFramer.cpp
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+/*
+ frames raw data into Ogg/Vorbis frames.
+ Copyright (C) 2001 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 "ovFramer.h"
+
+#define OGG_SYNC_BUFF_SIZE 4096
+
+
+#define _OV_SETSERIAL 1
+#define _OV_STREAMIN 2
+#define _OV_STREAMOUT 3
+
+#include <iostream>
+
+using namespace std;
+
+
+#ifdef OGG_VORBIS
+
+OVFramer::OVFramer(OGGFrame* dest):Framer(1) {
+ if (dest == NULL) {
+ cout << "OGGFrame NULL in OVFramer"<<endl;
+ exit(-1);
+ }
+ this->dest=dest;
+ /********** Decode setup ************/
+ ogg_sync_init(&oy); /* Now we can read pages */
+
+ vorbis_state=_OV_SETSERIAL;
+}
+
+
+OVFramer::~OVFramer() {
+ /* OK, clean up the framer */
+ ogg_sync_clear(&oy);
+}
+
+
+int OVFramer::find_frame(RawDataBuffer* input,RawDataBuffer* store) {
+ while(input->eof()==true) {
+ cout << "input eof"<<endl;
+ return false;
+ }
+
+ if (vorbis_state == _OV_STREAMOUT) {
+ if(ogg_stream_packetout(&os,(ogg_packet*)dest->getData())!=1){
+ vorbis_state=_OV_STREAMIN;
+ return false;
+ }
+ return true;
+ }
+
+ // do we have ogg packets in the ogg framer?
+ if (ogg_sync_pageout(&oy,&og) == 0) {
+ // no, ok insert some.
+ int bytes=input->untilend();
+ input->inc(bytes);
+ store->inc(bytes);
+ ogg_sync_wrote(&oy,bytes);
+ // and setup the next buffer
+ /* submit a 4k block to libvorbis' Ogg layer */
+ buffer=ogg_sync_buffer(&oy,OGG_SYNC_BUFF_SIZE);
+ /* override our own dummy buffer with size 1 */
+ setRemoteFrameBuffer((unsigned char*)buffer,OGG_SYNC_BUFF_SIZE);
+ return false;
+ }
+ // we have an ogg page
+ // now try to build an ogg packet
+ switch(vorbis_state) {
+ case _OV_SETSERIAL:
+ /* Get the serial number and set up the rest of decode. */
+ /* serialno first; use it to set up a logical stream */
+ ogg_stream_init(&os,ogg_page_serialno(&og));
+ vorbis_state=_OV_STREAMIN;
+ // yes we need to put this into the "pager"
+ // no break.
+ case _OV_STREAMIN:
+ if(ogg_stream_pagein(&os,&og)<0){
+ /* error; stream version mismatch perhaps */
+ fprintf(stderr,"Error reading first page of Ogg bitstream data.\n");
+ exit(1);
+ }
+ vorbis_state=_OV_STREAMOUT;
+ break;
+ default:
+ cout << "unknow vorbis_state"<<endl;
+ exit(-1);
+ }
+
+ return false;
+}
+
+int OVFramer::read_frame(RawDataBuffer* ,RawDataBuffer* ) {
+ return true;
+}
+
+
+
+void OVFramer::unsync(RawDataBuffer* store,int lReset) {
+ if (lReset) {
+ store->setpos(0);
+ ogg_sync_reset(&oy);
+ /* submit a 4k block to libvorbis' Ogg layer */
+ buffer=ogg_sync_buffer(&oy,OGG_SYNC_BUFF_SIZE);
+ /* override our own dummy buffer with size 1 */
+ setRemoteFrameBuffer((unsigned char*)buffer,OGG_SYNC_BUFF_SIZE);
+ }
+
+}
+
+
+void OVFramer::printPrivateStates() {
+ cout << "OVFramer::printPrivateStates"<<endl;
+}
+
+
+#endif