mpv/loader/dshow/cmediasample.c

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6.8 KiB
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#include <stdio.h>
#include <string.h>
#include "cmediasample.h"
//#define E_NOTIMPL 0x80004003
CMediaSample::CMediaSample(IMemAllocator* allocator, long _size):refcount(0)
{
vt=new IMediaSample_vt;
vt->QueryInterface=QueryInterface;
vt->AddRef=AddRef;
vt->Release=Release;
vt->GetPointer=GetPointer ;
vt->GetSize=GetSize ;
vt->GetTime=GetTime ;
vt->SetTime=SetTime ;
vt->IsSyncPoint=IsSyncPoint ;
vt->SetSyncPoint=SetSyncPoint;
vt->IsPreroll=IsPreroll;
vt->SetPreroll=SetPreroll;
vt->GetActualDataLength=GetActualDataLength;
vt->SetActualDataLength=SetActualDataLength;
vt->GetMediaType=GetMediaType;
vt->SetMediaType=SetMediaType;
vt->IsDiscontinuity=IsDiscontinuity;
vt->SetDiscontinuity=SetDiscontinuity;
vt->GetMediaTime=GetMediaTime;
vt->SetMediaTime=SetMediaTime;
all=allocator;
size=_size;
actual_size=0;
media_type.pbFormat=0;
isPreroll=0;
type_valid=0;
block=new char[size];
Debug printf("%x: Creating media sample with size %d, buffer 0x%x\n", this, _size, block);
}
CMediaSample::~CMediaSample()
{
Debug printf("%x: CMediaSample::~CMediaSample() called\n", this);
delete vt;
delete[] block;
if(media_type.pbFormat)
CoTaskMemFree(media_type.pbFormat);
}
long STDCALL CMediaSample::QueryInterface (
IUnknown * This,
/* [in] */ IID* iid,
/* [iid_is][out] */ void **ppv)
{
Debug printf("CMediaSample::QueryInterface() called\n");
if(!ppv)return 0x80004003;
if(!memcmp(iid, &IID_IUnknown, 16))
{
*ppv=(void*)This;
This->vt->AddRef(This);
return 0;
}
if(!memcmp(iid, &IID_IMediaSample, 16))
{
*ppv=(void*)This;
This->vt->AddRef(This);
return 0;
}
return 0x80004002;
}
long STDCALL CMediaSample::AddRef (
IUnknown * This)
{
Debug printf("CMediaSample::AddRef() called\n");
((CMediaSample*)This)->refcount++;
return 0;
}
long STDCALL CMediaSample::Release (
IUnknown * This)
{
Debug printf("%x: CMediaSample::Release() called, new refcount %d\n", This,
((CMediaSample*)This)->refcount-1);
CMediaSample* parent=(CMediaSample*)This;
if(--((CMediaSample*)This)->refcount==0)
parent->
all->
vt->
ReleaseBuffer(
(IMemAllocator*)(parent->all),
(IMediaSample*)This);
return 0;
}
HRESULT STDCALL CMediaSample::GetPointer (
IMediaSample * This,
/* [out] */ BYTE **ppBuffer)
{
Debug printf("%x: CMediaSample::GetPointer() called\n", This);
if(!ppBuffer)return 0x80004003;
*ppBuffer=(BYTE *)((CMediaSample*)This)->block;
return 0;
}
long STDCALL CMediaSample::GetSize (
IMediaSample * This)
{
Debug printf("%x: CMediaSample::GetSize() called -> %d\n", This, ((CMediaSample*)This)->size);
return ((CMediaSample*)This)->size;
}
HRESULT STDCALL CMediaSample::GetTime (
IMediaSample * This,
/* [out] */ REFERENCE_TIME *pTimeStart,
/* [out] */ REFERENCE_TIME *pTimeEnd)
{
Debug printf("%x: CMediaSample::GetTime() called\n", This);
return E_NOTIMPL;
}
HRESULT STDCALL CMediaSample::SetTime (
IMediaSample * This,
/* [in] */ REFERENCE_TIME *pTimeStart,
/* [in] */ REFERENCE_TIME *pTimeEnd)
{
Debug printf("%x: CMediaSample::SetTime() called\n", This);
return E_NOTIMPL;
}
HRESULT STDCALL CMediaSample::IsSyncPoint (
IMediaSample * This)
{
Debug printf("%x: CMediaSample::IsSyncPoint() called\n", This);
if(((CMediaSample*)This)->isSyncPoint)return 0;
return 1;
}
HRESULT STDCALL CMediaSample::SetSyncPoint (
IMediaSample * This,
long bIsSyncPoint)
{
Debug printf("%x: CMediaSample::SetSyncPoint() called\n", This);
((CMediaSample*)This)->isSyncPoint=bIsSyncPoint;
return 0;
}
HRESULT STDCALL CMediaSample::IsPreroll (
IMediaSample * This)
{
Debug printf("%x: CMediaSample::IsPreroll() called\n", This);
if(((CMediaSample*)This)->isPreroll==0)
return 1;//S_FALSE
else
return 0;//S_OK
}
HRESULT STDCALL CMediaSample::SetPreroll (
IMediaSample * This,
long bIsPreroll)
{
Debug printf("%x: CMediaSample::SetPreroll() called\n", This);
((CMediaSample*)This)->isPreroll=bIsPreroll;
return 0;
}
long STDCALL CMediaSample::GetActualDataLength (
IMediaSample * This)
{
Debug printf("%x: CMediaSample::GetActualDataLength() called -> %d\n", This, ((CMediaSample*)This)->actual_size);
return ((CMediaSample*)This)->actual_size;
}
HRESULT STDCALL CMediaSample::SetActualDataLength (
IMediaSample * This,
long __MIDL_0010)
{
Debug printf("%x: CMediaSample::SetActualDataLength(%d) called\n", This, __MIDL_0010);
if(__MIDL_0010>((CMediaSample*)This)->size)
{
printf("%x: ERROR: CMediaSample buffer overflow\n", This);
}
((CMediaSample*)This)->actual_size=__MIDL_0010;
return 0;
}
HRESULT STDCALL CMediaSample::GetMediaType (
IMediaSample * This,
AM_MEDIA_TYPE **ppMediaType)
{
Debug printf("%x: CMediaSample::GetMediaType() called\n", This);
if(!ppMediaType)
return 0x80004003;
if(!((CMediaSample*)This)->type_valid)
{
*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
return 0;
}
HRESULT STDCALL CMediaSample::SetMediaType (
IMediaSample * This,
AM_MEDIA_TYPE *pMediaType)
{
Debug printf("%x: CMediaSample::SetMediaType() called\n", This);
if(!pMediaType)return 0x80004003;
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);
((CMediaSample*)This)->type_valid=1;
return 0;
}
HRESULT STDCALL CMediaSample::IsDiscontinuity (
IMediaSample * This)
{
Debug printf("%x: CMediaSample::IsDiscontinuity() called\n", This);
return 1;
}
HRESULT STDCALL CMediaSample::SetDiscontinuity (
IMediaSample * This,
long bDiscontinuity)
{
Debug printf("%x: CMediaSample::SetDiscontinuity() called\n", This);
return E_NOTIMPL;
}
HRESULT STDCALL CMediaSample::GetMediaTime (
IMediaSample * This,
/* [out] */ LONGLONG *pTimeStart,
/* [out] */ LONGLONG *pTimeEnd)
{
Debug printf("%x: CMediaSample::GetMediaTime() called\n", This);
return E_NOTIMPL;
}
HRESULT STDCALL CMediaSample::SetMediaTime (
IMediaSample * This,
/* [in] */ LONGLONG *pTimeStart,
/* [in] */ LONGLONG *pTimeEnd)
{
Debug printf("%x: CMediaSample::SetMediaTime() called\n", This);
return E_NOTIMPL;
}