big avifile sync - from now we have common code

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1546 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 156 insertions, 0 deletions

diff --git a/loader/dshow/DS_AudioDecoder.c b/loader/dshow/DS_AudioDecoder.c
new file mode 100644
index 0000000000..cb6cb47d9e
--- /dev/null
+++ b/loader/dshow/DS_AudioDecoder.c
@@ -0,0 +1,156 @@
+/********************************************************
+
+         DirectShow audio decoder
+	 Copyright 2001 Eugene Kuznetsov  (divx@euro.ru)
+
+*********************************************************/
+#include "DS_AudioDecoder.h"
+
+#include <cstdio>
+#include <cstring>
+#include <string>
+#include <iostream>
+#define __MODULE__ "DirectShow audio decoder"
+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;
+
+typedef long STDCALL (*GETCLASS) (GUID*, GUID*, void**);
+
+DS_AudioDecoder::DS_AudioDecoder(const CodecInfo& info, const WAVEFORMATEX* wf)
+    : IAudioDecoder(info, wf), m_pDS_Filter(0), m_sVhdr(0), m_sVhdr2(0)
+{
+    m_sVhdr=new char[18 + wf->cbSize];
+    memcpy(m_sVhdr, wf, 18 + wf->cbSize);
+    m_sVhdr2=new char[18 + wf->cbSize];
+    memcpy(m_sVhdr2, m_sVhdr, 18 + wf->cbSize);
+    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
+    {
+        m_pDS_Filter = new DS_Filter();
+	m_pDS_Filter->Create(info.dll.c_str(), &info.guid, &m_sOurType, &m_sDestType);
+	m_pDS_Filter->Start();
+
+	ALLOCATOR_PROPERTIES props, props1;
+	props.cBuffers=1;
+        props.cbBuffer=m_sOurType.lSampleSize;
+	props.cbAlign=props.cbPrefix=0;
+	m_pDS_Filter->m_pAll->vt->SetProperties(m_pDS_Filter->m_pAll, &props, &props1);
+	m_pDS_Filter->m_pAll->vt->Commit(m_pDS_Filter->m_pAll);
+    }
+    catch (FatalError e)
+    {
+	e.PrintAll();
+	delete[] m_sVhdr;
+	delete[] m_sVhdr2;
+	delete m_pDS_Filter;
+	throw;
+    }
+}
+
+DS_AudioDecoder::~DS_AudioDecoder()
+{
+    delete[] m_sVhdr;
+    delete[] m_sVhdr2;
+    delete m_pDS_Filter;
+}
+
+int DS_AudioDecoder::Convert(const void* in_data, size_t in_size,
+			void* out_data, size_t out_size,
+			size_t* size_read, size_t* size_written)
+{
+    if (!in_data || !out_data)
+	return -1;
+
+    size_t written = 0;
+    size_t read = 0;
+    in_size -= in_size%in_fmt.nBlockAlign;
+    while (in_size>0)
+    {
+	size_t frame_size=0;
+	char* frame_pointer;
+//	m_pOurOutput->SetFramePointer(out_data+written);
+	m_pDS_Filter->m_pOurOutput->SetFramePointer(&frame_pointer);
+	m_pDS_Filter->m_pOurOutput->SetFrameSizePointer((long*)&frame_size);
+	IMediaSample* sample=0;
+	m_pDS_Filter->m_pAll->vt->GetBuffer(m_pDS_Filter->m_pAll, &sample, 0, 0, 0);
+	if(!sample)
+	{
+	    Debug cerr<<"DS_AudioDecoder::Convert() Error: null sample"<<endl;
+	    break;
+	}
+	char* ptr;
+	sample->vt->GetPointer(sample, (BYTE **)&ptr);
+	memcpy(ptr, (const uint8_t*)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 = m_pDS_Filter->m_pImp->vt->Receive(m_pDS_Filter->m_pImp, sample);
+        if (result)
+	    Debug printf("DS_AudioDecoder::Convert() Error: putting data into input pin %x\n", result);
+	if ((written + frame_size) > out_size)
+	{
+	    sample->vt->Release((IUnknown*)sample);
+	    break;
+	}
+	memcpy((uint8_t*)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;
+}
+
+int DS_AudioDecoder::GetSrcSize(int dest_size)
+{
+    double efficiency = (double) in_fmt.nAvgBytesPerSec
+	/ (in_fmt.nSamplesPerSec*in_fmt.nBlockAlign);
+    int frames = int(dest_size*efficiency);
+    if (frames < 1)
+	frames = 1;
+    return frames * in_fmt.nBlockAlign;
+}