added DS_AudioDec

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@190 b3059339-0415-0410-9bf9-f77b7e298cf2

3 files changed, 215 insertions, 2 deletions

diff --git a/loader/dshow/DS_AudioDec.c b/loader/dshow/DS_AudioDec.c
new file mode 100644
index 0000000000..0cc66dd75f
--- /dev/null
+++ b/loader/dshow/DS_AudioDec.c
@@ -0,0 +1,188 @@
+/********************************************************
+
+	DirectShow Audio decoder implementation
+	Copyright 2000 Eugene Kuznetsov  (divx@euro.ru)
+        Converted  C++ --> C  :) by A'rpi/ESP-team
+
+*********************************************************/
+
+//#include <config.h>
+
+//#include "DS_AudioDecoder.h"
+#include <string.h>
+#include <stdlib.h>
+#include <except.h>
+#define __MODULE__ "DirectShow_AudioDecoder"
+
+#include <errno.h>
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+//#include <loader.h>
+//#include <wine/winbase.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <strstream>
+#include <dlfcn.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+
+#include <registry.h>
+#include <wine/winreg.h>
+
+#include "guids.h"
+#include "interfaces.h"
+#include "DS_Filter.h"
+
+#include "BitmapInfo.h"
+
+#include <string>
+#include <default.h>
+
+#include "DS_AudioDec.h"
+
+const GUID FORMAT_WaveFormatEx={
+0x05589f81, 0xc356, 0x11ce, 0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a};
+const GUID MEDIATYPE_Audio={
+0x73647561, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71};
+const GUID MEDIASUBTYPE_PCM={
+0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71};
+
+
+using namespace std;
+extern "C" char* def_path;
+
+    static DS_Filter* dsf=0;
+
+    static AM_MEDIA_TYPE m_sOurType, m_sDestType;
+//    static void* m_pCust;
+    static char* m_sVhdr;
+    static char* m_sVhdr2;
+
+    static WAVEFORMATEX in_fmt;
+
+//    int m_iState=0;
+
+extern "C" int DS_AudioDecoder_Open(char* dllname, GUID* guid, WAVEFORMATEX* wf)
+{
+
+    m_sVhdr=new char[18+wf->cbSize];
+    memcpy(m_sVhdr, wf, 18+wf->cbSize);
+    m_sVhdr2=new char[18];
+    memcpy(m_sVhdr2, m_sVhdr, 18);
+    WAVEFORMATEX* pWF=(WAVEFORMATEX*)m_sVhdr2;
+    pWF->wFormatTag=1;
+    pWF->wBitsPerSample=16;
+    pWF->nBlockAlign=2*pWF->nChannels;
+    pWF->cbSize=0;
+    in_fmt=*wf;
+
+    memset(&m_sOurType, 0, sizeof m_sOurType);
+    m_sOurType.majortype=MEDIATYPE_Audio;
+    m_sOurType.subtype=MEDIASUBTYPE_PCM;
+    m_sOurType.subtype.f1=wf->wFormatTag;
+    m_sOurType.formattype=FORMAT_WaveFormatEx;
+    m_sOurType.lSampleSize=wf->nBlockAlign;
+    m_sOurType.bFixedSizeSamples=true;
+    m_sOurType.bTemporalCompression=false;
+    m_sOurType.pUnk=0;
+    m_sOurType.cbFormat=18+wf->cbSize;
+    m_sOurType.pbFormat=m_sVhdr;
+
+    memset(&m_sDestType, 0, sizeof m_sDestType);
+    m_sDestType.majortype=MEDIATYPE_Audio;
+    m_sDestType.subtype=MEDIASUBTYPE_PCM;
+    m_sDestType.formattype=FORMAT_WaveFormatEx;
+    m_sDestType.bFixedSizeSamples=true;
+    m_sDestType.bTemporalCompression=false;
+    m_sDestType.lSampleSize=2*wf->nChannels;
+    m_sDestType.pUnk=0;
+    m_sDestType.cbFormat=18;
+    m_sDestType.pbFormat=m_sVhdr2;
+
+    try
+    {
+
+        dsf=new DS_Filter();
+	dsf->Create(dllname, guid, &m_sOurType, &m_sDestType);
+        dsf->Start();
+
+	ALLOCATOR_PROPERTIES props, props1;
+	props.cBuffers=1;
+        props.cbBuffer=m_sOurType.lSampleSize;
+	props.cbAlign=props.cbPrefix=0;
+	dsf->m_pAll->vt->SetProperties(dsf->m_pAll, &props, &props1);
+	dsf->m_pAll->vt->Commit(dsf->m_pAll);
+    }
+    catch(FatalError e)
+    {
+	e.PrintAll();
+	delete[] m_sVhdr;
+	delete[] m_sVhdr2;
+        return 1;
+    }
+
+    return 0;
+}
+
+extern "C" void DS_AudioDecoder_Close(){
+    delete[] m_sVhdr;
+    delete[] m_sVhdr2;
+}
+
+extern "C" int DS_AudioDecoder_GetSrcSize(int dest_size)
+{
+    double efficiency=in_fmt.nAvgBytesPerSec/double(in_fmt.nSamplesPerSec*in_fmt.nBlockAlign);
+    int frames=(int)(dest_size*efficiency);
+    if(frames<1)frames=1;
+    return frames*in_fmt.nBlockAlign;
+}
+
+
+extern "C" int DS_AudioDecoder_Convert(unsigned char* in_data, unsigned in_size,
+	     unsigned char* out_data, unsigned out_size,
+	    unsigned* size_read, unsigned* size_written)
+{
+    if(in_data==0)return -1;
+    if(out_data==0)return -1;
+    int written=0;
+    int read=0;
+    in_size-=in_size%in_fmt.nBlockAlign;
+    while(in_size>0)
+    {
+	long frame_size=0;
+	char* frame_pointer;
+//	m_pOurOutput->SetFramePointer(out_data+written);
+	dsf->m_pOurOutput->SetFramePointer(&frame_pointer);
+	dsf->m_pOurOutput->SetFrameSizePointer(&frame_size);
+	IMediaSample* sample=0;
+	dsf->m_pAll->vt->GetBuffer(dsf->m_pAll, &sample, 0, 0, 0);
+	if(!sample)
+	{
+	    cerr<<"ERROR: null sample"<<endl;
+	    break;
+	}
+	char* ptr;
+	sample->vt->GetPointer(sample, (BYTE **)&ptr);
+	memcpy(ptr, in_data+read, in_fmt.nBlockAlign);
+	sample->vt->SetActualDataLength(sample, in_fmt.nBlockAlign);
+	sample->vt->SetSyncPoint(sample, true);
+	sample->vt->SetPreroll(sample, 0);
+        int result=dsf->m_pImp->vt->Receive(dsf->m_pImp, sample);
+        if(result) printf("Error putting data into input pin %x\n", result);
+	if(written+frame_size>out_size)
+	{
+	    sample->vt->Release((IUnknown*)sample);
+	    break;
+	}
+	memcpy(out_data+written, frame_pointer, frame_size);
+        sample->vt->Release((IUnknown*)sample);
+	read+=in_fmt.nBlockAlign;
+	written+=frame_size;
+    }
+    if(size_read) *size_read=read;
+    if(size_written) *size_written=written;
+    return 0;
+}
+
diff --git a/loader/dshow/DS_AudioDec.h b/loader/dshow/DS_AudioDec.h
new file mode 100644
index 0000000000..9c9cad09a1
--- /dev/null
+++ b/loader/dshow/DS_AudioDec.h
@@ -0,0 +1,25 @@
+/********************************************************
+
+	DirectShow Audio decoder implementation
+	Copyright 2000 Eugene Kuznetsov  (divx@euro.ru)
+        Converted  C++ --> C  :) by A'rpi/ESP-team
+
+*********************************************************/
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* defined(__cplusplus) */
+
+int DS_AudioDecoder_Open(char* dllname, GUID* guid, WAVEFORMATEX* wf);
+
+void DS_AudioDecoder_Close();
+
+int DS_AudioDecoder_GetSrcSize(int dest_size);
+
+int DS_AudioDecoder_Convert(unsigned char* in_data, unsigned in_size,
+	     unsigned char* out_data, unsigned out_size,
+	    unsigned* size_read, unsigned* size_written);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif /* defined(__cplusplus) */
diff --git a/loader/dshow/Makefile b/loader/dshow/Makefile
index 2181a30f97..d99f08311c 100644
--- a/loader/dshow/Makefile
+++ b/loader/dshow/Makefile
@@ -3,8 +3,8 @@ LIBNAME = libDS_Filter.a
 
 include ../../config.mak
 
-SRCS	= DS_VideoDec.cpp DS_Filter.cpp allocator.cpp cmediasample.cpp guids.cpp inputpin.cpp outputpin.cpp
-OBJS	= DS_VideoDec.o DS_Filter.o allocator.o cmediasample.o guids.o inputpin.o outputpin.o
+SRCS	= DS_AudioDec.cpp DS_VideoDec.cpp DS_Filter.cpp allocator.cpp cmediasample.cpp guids.cpp inputpin.cpp outputpin.cpp
+OBJS	= DS_AudioDec.o DS_VideoDec.o DS_Filter.o allocator.o cmediasample.o guids.o inputpin.o outputpin.o
 
 INCLUDE = -I. -I.. -I../wine
 CFLAGS  = $(OPTFLAGS) $(INCLUDE)