C++ -> C (import from avifile cvs)

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3057 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 119 insertions, 92 deletions

diff --git a/loader/dshow/cmediasample.c b/loader/dshow/cmediasample.c
index 983ddbaeea..d927bb2264 100644
--- a/loader/dshow/cmediasample.c
+++ b/loader/dshow/cmediasample.c
@@ -3,23 +3,23 @@
 #include <stdio.h>
 #include <string.h>
 
-static long STDCALL CMediaSample_QueryInterface(IUnknown * This,
+static long STDCALL CMediaSample_QueryInterface(IUnknown* This,
 						/* [in] */ IID* iid,
 						/* [iid_is][out] */ void **ppv)
 {
-    Debug printf("CMediaSample_QueryInterface() called\n");
+    Debug printf("CMediaSample_QueryInterface(%p) called\n", This);
     if (!ppv)
 	return E_INVALIDARG;
-    if (!memcmp(iid, &IID_IUnknown, 16))
+    if (memcmp(iid, &IID_IUnknown, sizeof(*iid)) == 0)
     {
-	*ppv=(void*)This;
-	This->vt->AddRef(This);
+	*ppv = (void*)This;
+	((IMediaSample*) This)->vt->AddRef(This);
 	return 0;
     }
-    if (!memcmp(iid, &IID_IMediaSample, 16))
+    if (memcmp(iid, &IID_IMediaSample, sizeof(*iid)) == 0)
     {
-	*ppv=(void*)This;
-	This->vt->AddRef(This);
+	*ppv = (void*)This;
+	((IMediaSample*) This)->vt->AddRef(This);
 	return 0;
     }
     return E_NOINTERFACE;
@@ -27,26 +27,39 @@ static long STDCALL CMediaSample_QueryInterface(IUnknown * This,
 
 static long STDCALL CMediaSample_AddRef(IUnknown* This)
 {
-    Debug printf("CMediaSample_AddRef() called\n");
+    Debug printf("CMediaSample_AddRef(%p) called\n", This);
     ((CMediaSample*)This)->refcount++;
     return 0;
 }
 
+void CMediaSample_Destroy(CMediaSample* This)
+{
+
+    Debug printf("CMediaSample_Destroy(%p) called (ref:%d)\n", This, This->refcount);
+    free(This->vt);
+    free(This->own_block);
+    if (This->media_type.pbFormat)
+	CoTaskMemFree(This->media_type.pbFormat);
+    free(This);
+}
+
 static long STDCALL CMediaSample_Release(IUnknown* This)
 {
-    Debug printf("%p: CMediaSample_Release() called, new refcount %d\n",
-		 This, ((CMediaSample*)This)->refcount-1);
     CMediaSample* parent=(CMediaSample*)This;
-    if (--((CMediaSample*)This)->refcount==0)
+    Debug printf("CMediaSample_Release(%p) called  (new ref:%d)\n",
+		 This, ((CMediaSample*)This)->refcount-1);
+    if (--((CMediaSample*)This)->refcount == 0)
+    {
 	parent->all->vt->ReleaseBuffer((IMemAllocator*)(parent->all),
 				       (IMediaSample*)This);
+    }
     return 0;
 }
 
 static HRESULT STDCALL CMediaSample_GetPointer(IMediaSample * This,
 					       /* [out] */ BYTE **ppBuffer)
 {
-    Debug printf("%p: CMediaSample_GetPointer() called\n", This);
+    Debug printf("CMediaSample_GetPointer(%p) called\n", This);
     if (!ppBuffer)
 	return E_INVALIDARG;
     *ppBuffer=(BYTE *)((CMediaSample*)This)->block;
@@ -55,7 +68,7 @@ static HRESULT STDCALL CMediaSample_GetPointer(IMediaSample * This,
 
 static long STDCALL CMediaSample_GetSize(IMediaSample * This)
 {
-    Debug printf("%p: CMediaSample_GetSize() called -> %d\n",
+    Debug printf("CMediaSample_GetSize(%p) called -> %d\n",
 		 This, ((CMediaSample*)This)->size);
     return ((CMediaSample*)This)->size;
 }
@@ -64,7 +77,7 @@ static HRESULT STDCALL CMediaSample_GetTime(IMediaSample * This,
 					    /* [out] */ REFERENCE_TIME *pTimeStart,
 					    /* [out] */ REFERENCE_TIME *pTimeEnd)
 {
-    Debug printf("%p: CMediaSample_GetTime() called\n", This);
+    Debug printf("CMediaSample_GetTime(%p) called\n", This);
     return E_NOTIMPL;
 }
 
@@ -72,13 +85,13 @@ static HRESULT STDCALL CMediaSample_SetTime(IMediaSample * This,
 					    /* [in] */ REFERENCE_TIME *pTimeStart,
 					    /* [in] */ REFERENCE_TIME *pTimeEnd)
 {
-    Debug printf("%p: CMediaSample_SetTime() called\n", This);
+    Debug printf("CMediaSample_SetTime(%p) called\n", This);
     return E_NOTIMPL;
 }
 
 static HRESULT STDCALL CMediaSample_IsSyncPoint(IMediaSample * This)
 {
-    Debug printf("%p: CMediaSample_IsSyncPoint() called\n", This);
+    Debug printf("CMediaSample_IsSyncPoint(%p) called\n", This);
     if (((CMediaSample*)This)->isSyncPoint)
 	return 0;
     return 1;
@@ -87,14 +100,14 @@ static HRESULT STDCALL CMediaSample_IsSyncPoint(IMediaSample * This)
 static HRESULT STDCALL CMediaSample_SetSyncPoint(IMediaSample * This,
 						 long bIsSyncPoint)
 {
-    Debug printf("%p: CMediaSample_SetSyncPoint() called\n", This);
+    Debug printf("CMediaSample_SetSyncPoint(%p) called\n", This);
     ((CMediaSample*)This)->isSyncPoint=bIsSyncPoint;
     return 0;
 }
 
 static HRESULT STDCALL CMediaSample_IsPreroll(IMediaSample * This)
 {
-    Debug printf("%p: CMediaSample_IsPreroll() called\n", This);
+    Debug printf("CMediaSample_IsPreroll(%p) called\n", This);
 
     if (((CMediaSample*)This)->isPreroll)
 	return 0;//S_OK
@@ -105,33 +118,34 @@ static HRESULT STDCALL CMediaSample_IsPreroll(IMediaSample * This)
 static HRESULT STDCALL CMediaSample_SetPreroll(IMediaSample * This,
 					       long bIsPreroll)
 {
-    Debug printf("%p: CMediaSample_SetPreroll() called\n", This);
+    Debug printf("CMediaSample_SetPreroll(%p) called\n", This);
     ((CMediaSample*)This)->isPreroll=bIsPreroll;
     return 0;
 }
 
-static long STDCALL CMediaSample_GetActualDataLength(IMediaSample * This)
+static long STDCALL CMediaSample_GetActualDataLength(IMediaSample* This)
 {
-    Debug printf("%p: CMediaSample_GetActualDataLength() called -> %d\n", This, ((CMediaSample*)This)->actual_size);
+    Debug printf("CMediaSample_GetActualDataLength(%p) called -> %d\n", This, ((CMediaSample*)This)->actual_size);
     return ((CMediaSample*)This)->actual_size;
 }
 
-static HRESULT STDCALL CMediaSample_SetActualDataLength(IMediaSample * This,
+static HRESULT STDCALL CMediaSample_SetActualDataLength(IMediaSample* This,
 							long __MIDL_0010)
 {
-    Debug printf("%p: CMediaSample_SetActualDataLength(%ld) called\n", This, __MIDL_0010);
+    Debug printf("CMediaSample_SetActualDataLength(%p, %ld) called\n", This, __MIDL_0010);
     if (__MIDL_0010 > ((CMediaSample*)This)->size)
     {
 	printf("%p: ERROR: CMediaSample buffer overflow\n", This);
     }
-    ((CMediaSample*)This)->actual_size=__MIDL_0010;
+    ((CMediaSample*)This)->actual_size = __MIDL_0010;
     return 0;
 }
 
-static HRESULT STDCALL CMediaSample_GetMediaType(IMediaSample * This,
-						 AM_MEDIA_TYPE **ppMediaType)
+static HRESULT STDCALL CMediaSample_GetMediaType(IMediaSample* This,
+						 AM_MEDIA_TYPE** ppMediaType)
 {
-    Debug printf("%p: CMediaSample_GetMediaType() called\n", This);
+    AM_MEDIA_TYPE* t;
+    Debug printf("CMediaSample_GetMediaType(%p) called\n", This);
     if(!ppMediaType)
 	return E_INVALIDARG;
     if(!((CMediaSample*)This)->type_valid)
@@ -139,28 +153,30 @@ static HRESULT STDCALL CMediaSample_GetMediaType(IMediaSample * This,
 	*ppMediaType=0;
 	return 1;
     }
-    AM_MEDIA_TYPE& t=((CMediaSample*)This)->media_type;
-//    if(t.pbFormat)CoTaskMemFree(t.pbFormat);
-    (*ppMediaType)=(AM_MEDIA_TYPE*)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
-    memcpy(*ppMediaType, &t, sizeof(AM_MEDIA_TYPE));
-    (*ppMediaType)->pbFormat=(char*)CoTaskMemAlloc(t.cbFormat);
-    memcpy((*ppMediaType)->pbFormat, t.pbFormat, t.cbFormat);
-//    *ppMediaType=0; //media type was not changed
+
+    t = &((CMediaSample*)This)->media_type;
+    //    if(t.pbFormat)CoTaskMemFree(t.pbFormat);
+    (*ppMediaType) = (AM_MEDIA_TYPE*)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
+    **ppMediaType = *t;
+    (*ppMediaType)->pbFormat = (char*)CoTaskMemAlloc(t->cbFormat);
+    memcpy((*ppMediaType)->pbFormat, t->pbFormat, t->cbFormat);
+    //    *ppMediaType=0; //media type was not changed
     return 0;
 }
 
 static HRESULT STDCALL CMediaSample_SetMediaType(IMediaSample * This,
 						 AM_MEDIA_TYPE *pMediaType)
 {
-    Debug printf("%p: CMediaSample_SetMediaType() called\n", This);
+    AM_MEDIA_TYPE* t;
+    Debug printf("CMediaSample_SetMediaType(%p) called\n", This);
     if (!pMediaType)
 	return E_INVALIDARG;
-    AM_MEDIA_TYPE& t = ((CMediaSample*)This)->media_type;
-    if (t.pbFormat)
-	CoTaskMemFree(t.pbFormat);
-    t = *pMediaType;
-    t.pbFormat = (char*)CoTaskMemAlloc(t.cbFormat);
-    memcpy(t.pbFormat, pMediaType->pbFormat, t.cbFormat);
+    t = &((CMediaSample*)This)->media_type;
+    if (t->pbFormat)
+	CoTaskMemFree(t->pbFormat);
+    t = pMediaType;
+    t->pbFormat = (char*)CoTaskMemAlloc(t->cbFormat);
+    memcpy(t->pbFormat, pMediaType->pbFormat, t->cbFormat);
     ((CMediaSample*)This)->type_valid=1;
 
     return 0;
@@ -168,14 +184,14 @@ static HRESULT STDCALL CMediaSample_SetMediaType(IMediaSample * This,
 
 static HRESULT STDCALL CMediaSample_IsDiscontinuity(IMediaSample * This)
 {
-    Debug printf("%p: CMediaSample_IsDiscontinuity() called\n", This);
+    Debug printf("CMediaSample_IsDiscontinuity(%p) called\n", This);
     return 1;
 }
 
 static HRESULT STDCALL CMediaSample_SetDiscontinuity(IMediaSample * This,
 						     long bDiscontinuity)
 {
-    Debug printf("%p: CMediaSample_SetDiscontinuity() called\n", This);
+    Debug printf("CMediaSample_SetDiscontinuity(%p) called\n", This);
     return E_NOTIMPL;
 }
 
@@ -183,7 +199,7 @@ static HRESULT STDCALL CMediaSample_GetMediaTime(IMediaSample * This,
 						 /* [out] */ LONGLONG *pTimeStart,
 						 /* [out] */ LONGLONG *pTimeEnd)
 {
-    Debug printf("%p: CMediaSample_GetMediaTime() called\n", This);
+    Debug printf("CMediaSample_GetMediaTime(%p) called\n", This);
     return E_NOTIMPL;
 }
 
@@ -191,54 +207,65 @@ static HRESULT STDCALL CMediaSample_SetMediaTime(IMediaSample * This,
 						 /* [in] */ LONGLONG *pTimeStart,
 						 /* [in] */ LONGLONG *pTimeEnd)
 {
-    Debug printf("%p: CMediaSample_SetMediaTime() called\n", This);
+    Debug printf("CMediaSample_SetMediaTime(%p) called\n", This);
     return E_NOTIMPL;
 }
 
-CMediaSample::CMediaSample(IMemAllocator* allocator, long _size)
-{
-    vt = new IMediaSample_vt;
-
-    vt->QueryInterface = CMediaSample_QueryInterface;
-    vt->AddRef = CMediaSample_AddRef;
-    vt->Release = CMediaSample_Release;
-    vt->GetPointer = CMediaSample_GetPointer;
-    vt->GetSize = CMediaSample_GetSize;
-    vt->GetTime = CMediaSample_GetTime;
-    vt->SetTime = CMediaSample_SetTime;
-    vt->IsSyncPoint = CMediaSample_IsSyncPoint;
-    vt->SetSyncPoint = CMediaSample_SetSyncPoint;
-    vt->IsPreroll = CMediaSample_IsPreroll;
-    vt->SetPreroll = CMediaSample_SetPreroll;
-    vt->GetActualDataLength = CMediaSample_GetActualDataLength;
-    vt->SetActualDataLength = CMediaSample_SetActualDataLength;
-    vt->GetMediaType = CMediaSample_GetMediaType;
-    vt->SetMediaType = CMediaSample_SetMediaType;
-    vt->IsDiscontinuity = CMediaSample_IsDiscontinuity;
-    vt->SetDiscontinuity = CMediaSample_SetDiscontinuity;
-    vt->GetMediaTime = CMediaSample_GetMediaTime;
-    vt->SetMediaTime = CMediaSample_SetMediaTime;
-
-    all = allocator;
-    size = _size;
-    refcount = 0;
-    actual_size = 0;
-    media_type.pbFormat = 0;
-    isPreroll = 0;
-    type_valid = 0;
-    own_block = new char[size];
-    block = own_block;
-    Debug printf("%p: Creating media sample with size %ld, buffer %p\n",
-		 this, _size, block);
-}
-
-CMediaSample::~CMediaSample()
-{
-    Debug printf("%p: CMediaSample::~CMediaSample() called\n", this);
-    if (!vt)
-        printf("Second delete of CMediaSample()!!|\n");
-    delete vt;
-    delete own_block;
-    if (media_type.pbFormat)
-	CoTaskMemFree(media_type.pbFormat);
+static void CMediaSample_SetPointer(CMediaSample* This, char* pointer)
+{
+    Debug printf("CMediaSample_SetPointer(%p) called  -> %p\n", This, pointer);
+    if (pointer)
+	This->block = pointer;
+    else
+	This->block = This->own_block;
+}
+
+static void CMediaSample_ResetPointer(CMediaSample* This)
+{
+    Debug printf("CMediaSample_ResetPointer(%p) called\n", This);
+    This->block = This->own_block;
+}
+
+CMediaSample* CMediaSampleCreate(IMemAllocator* allocator, int _size)
+{
+    CMediaSample* This = (CMediaSample*) malloc(sizeof( CMediaSample ));
+    This->vt = (IMediaSample_vt*) malloc(sizeof(IMediaSample_vt));
+
+    This->vt->QueryInterface = CMediaSample_QueryInterface;
+    This->vt->AddRef = CMediaSample_AddRef;
+    This->vt->Release = CMediaSample_Release;
+    This->vt->GetPointer = CMediaSample_GetPointer;
+    This->vt->GetSize = CMediaSample_GetSize;
+    This->vt->GetTime = CMediaSample_GetTime;
+    This->vt->SetTime = CMediaSample_SetTime;
+    This->vt->IsSyncPoint = CMediaSample_IsSyncPoint;
+    This->vt->SetSyncPoint = CMediaSample_SetSyncPoint;
+    This->vt->IsPreroll = CMediaSample_IsPreroll;
+    This->vt->SetPreroll = CMediaSample_SetPreroll;
+    This->vt->GetActualDataLength = CMediaSample_GetActualDataLength;
+    This->vt->SetActualDataLength = CMediaSample_SetActualDataLength;
+    This->vt->GetMediaType = CMediaSample_GetMediaType;
+    This->vt->SetMediaType = CMediaSample_SetMediaType;
+    This->vt->IsDiscontinuity = CMediaSample_IsDiscontinuity;
+    This->vt->SetDiscontinuity = CMediaSample_SetDiscontinuity;
+    This->vt->GetMediaTime = CMediaSample_GetMediaTime;
+    This->vt->SetMediaTime = CMediaSample_SetMediaTime;
+
+    This->all = allocator;
+    This->size = _size;
+    This->refcount = 0; // increased by MemAllocator
+    This->actual_size = 0;
+    This->media_type.pbFormat = 0;
+    This->isPreroll = 0;
+    This->type_valid = 0;
+    This->own_block = (char*) malloc(This->size);
+    This->block = This->own_block;
+
+    This->SetPointer = CMediaSample_SetPointer;
+    This->ResetPointer = CMediaSample_ResetPointer;
+
+    Debug printf("CMediaSample_Create(%p) called - sample size %d, buffer %p\n",
+		 This, This->size, This->block);
+
+    return This;
 }