From 279592d82c67582082b84c3075bd66ce9970e54a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20=C3=96nnerby?= <onnerby@gmail.com>
Date: Fri, 31 Oct 2008 15:25:32 +0000
Subject: [PATCH] FLAC working (no seeking yet though)

---
 src/contrib/flacdecoder/FLACDecoder.cpp | 40 +++++++++++++++----------
 src/contrib/flacdecoder/FLACDecoder.h   |  3 +-
 2 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/src/contrib/flacdecoder/FLACDecoder.cpp b/src/contrib/flacdecoder/FLACDecoder.cpp
index d4964aa3c..d7e1f6601 100644
--- a/src/contrib/flacdecoder/FLACDecoder.cpp
+++ b/src/contrib/flacdecoder/FLACDecoder.cpp
@@ -123,14 +123,14 @@ bool FLACDecoder::Open(musik::core::filestreams::IFileStream *fileStream){
     this->fileStream    = fileStream;
 
 	FLAC__StreamDecoderInitStatus init_status = FLAC__stream_decoder_init_stream(this->decoder,
-        &FlacRead,
-        &FlacSeek,
-        &FlacTell,
-        &FlacFileSize,
-        &FlacEof,
-        &FlacWrite,
-        NULL,
-        NULL,
+        FLACDecoder::FlacRead,
+        FLACDecoder::FlacSeek,
+        FLACDecoder::FlacTell,
+        FLACDecoder::FlacFileSize,
+        FLACDecoder::FlacEof,
+        FLACDecoder::FlacWrite,
+        FLACDecoder::FlacMeta,
+        FLACDecoder::FlacError,
         this);
 
     if(init_status == FLAC__STREAM_DECODER_INIT_STATUS_OK) {
@@ -142,6 +142,10 @@ bool FLACDecoder::Open(musik::core::filestreams::IFileStream *fileStream){
     return false;
 }
 
+void FLACDecoder::FlacError(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *clientData){
+
+}
+
 void FLACDecoder::FlacMeta(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *clientData){
     FLACDecoder *thisPtr    = (FLACDecoder*)clientData;
 
@@ -157,17 +161,23 @@ void FLACDecoder::FlacMeta(const FLAC__StreamDecoder *decoder, const FLAC__Strea
 FLAC__StreamDecoderWriteStatus FLACDecoder::FlacWrite(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame,const FLAC__int32 *const buffer[], void *clientData){
 
     FLACDecoder *thisPtr    = (FLACDecoder*)clientData;
+    int nofSamples  = thisPtr->channels*frame->header.blocksize;
 
     // First, lets create a buffer
     // If there is already a buffer, delete it
-    if(thisPtr->outputBuffer && thisPtr->outputBufferSize==0){
+    if(thisPtr->outputBufferSize==0){
         delete thisPtr->outputBuffer;
         thisPtr->outputBuffer   = NULL;
+        thisPtr->outputBufferSize   = 0;
+        thisPtr->outputBuffer       = new float[nofSamples];
+    }
+    if(thisPtr->outputBuffer && thisPtr->outputBufferSize>0){
+        float *oldBuffer    = thisPtr->outputBuffer;
+        thisPtr->outputBuffer       = new float[nofSamples+thisPtr->outputBufferSize];
+        CopyMemory(thisPtr->outputBuffer, oldBuffer, thisPtr->outputBufferSize * sizeof(float));
+        delete oldBuffer;
     }
 
-    int nofSamples  = thisPtr->channels*frame->header.blocksize;
-    thisPtr->outputBuffer       = new float[nofSamples];
-    thisPtr->outputBufferSize   = 0;
 
     // What is the max amplitude
     float maxAmplitude  = pow(2.0f,(thisPtr->bps-1));
@@ -175,9 +185,9 @@ FLAC__StreamDecoderWriteStatus FLACDecoder::FlacWrite(const FLAC__StreamDecoder
     // Convert the buffer (16bit int) to the outputBuffer (float)
 	for(unsigned int i(0); i<frame->header.blocksize; ++i){
         for(int j(0); j<thisPtr->channels; ++j){
-            thisPtr->outputBuffer[i]    = (((float)buffer[j][i])/maxAmplitude);
+            thisPtr->outputBuffer[thisPtr->outputBufferSize]    = (((float)buffer[j][i])/maxAmplitude);
+            thisPtr->outputBufferSize++;
         }
-        thisPtr->outputBufferSize++;
     }
 
     return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
@@ -201,7 +211,7 @@ bool		FLACDecoder::GetFormat(unsigned long * SampleRate, unsigned long * Channel
 
 bool		FLACDecoder::GetLength(unsigned long * MS){
     if(this->totalSamples && this->sampleRate){
-        *MS = this->totalSamples/this->sampleRate;
+        *MS = (this->totalSamples*1000)/this->sampleRate;
         return true;
     }
 
diff --git a/src/contrib/flacdecoder/FLACDecoder.h b/src/contrib/flacdecoder/FLACDecoder.h
index f1b3149c5..3bf592d99 100644
--- a/src/contrib/flacdecoder/FLACDecoder.h
+++ b/src/contrib/flacdecoder/FLACDecoder.h
@@ -71,6 +71,7 @@ public:
 
     static FLAC__StreamDecoderWriteStatus FlacWrite(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame,const FLAC__int32 *const buffer[], void *clientData);
     static void FlacMeta(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *clientData);
+    static void FlacError(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *clientData);
 
 
 protected: 
@@ -79,7 +80,7 @@ protected:
 
     long channels;
     long sampleRate;
-    long totalSamples;
+    UINT64 totalSamples;
     int bps;
 
     float *outputBuffer;