diff options
Diffstat (limited to 'loader/dshow/cmediasample.c')
| -rw-r--r-- | loader/dshow/cmediasample.c | 576 |
1 files changed, 0 insertions, 576 deletions
diff --git a/loader/dshow/cmediasample.c b/loader/dshow/cmediasample.c deleted file mode 100644 index 3b7e45bb15..0000000000 --- a/loader/dshow/cmediasample.c +++ /dev/null @@ -1,576 +0,0 @@ -/* - * Modified for use with MPlayer, detailed changelog at - * http://svn.mplayerhq.hu/mplayer/trunk/ - */ - -#include "cmediasample.h" -#include "mediatype.h" -#include "loader/wine/winerror.h" -#include <stdio.h> -#include <string.h> -#include <stdlib.h> - -/* - * currently hack to make some extra room for DS Acel codec which - * seems to overwrite allocated memory - FIXME better later - * check the buffer allocation - */ -static const int SAFETY_ACEL = 1024; - -/** - * \brief IPin::QueryInternalConnections (retries pin's internal connections) - * - * \param[in] This pointer to IPin interface - * \param[out] apPin Array that receives pins, internally connected to this - * \param[in,out] nPint Size of an array - * - * \return S_OK - success - * \return S_FALSE - pin rejects media type - * \return E_NOTIMPL - not implemented - * - */ -static long STDCALL CMediaSample_QueryInterface(IUnknown* This, - /* [in] */ const GUID* iid, - /* [iid_is][out] */ void **ppv) -{ - Debug printf("CMediaSample_QueryInterface(%p) called\n", This); - if (!ppv) - return E_INVALIDARG; - if (memcmp(iid, &IID_IUnknown, sizeof(*iid)) == 0) - { - *ppv = (void*)This; - ((IMediaSample*) This)->vt->AddRef(This); - return 0; - } - if (memcmp(iid, &IID_IMediaSample, sizeof(*iid)) == 0) - { - *ppv = (void*)This; - ((IMediaSample*) This)->vt->AddRef(This); - return 0; - } - return E_NOINTERFACE; -} - -/** - * \brief IUnknown::AddRef (increases reference counter for interface) - * - * \param[in] This pointer to IUnknown class - * - * \return new value of reference counter - * - * \remarks - * Return value should be used only for debug purposes - * - */ -static long STDCALL CMediaSample_AddRef(IUnknown* This) -{ - Debug printf("CMediaSample_AddRef(%p) called\n", This); - ((CMediaSample*)This)->refcount++; - return 0; -} - -/** - * \brief CMediaSample destructor - * - * \param[in] This pointer to CMediaSample object - * - */ -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(((CMediaSample*)This)->type_valid) - FreeMediaType(&(This->media_type)); - free(This); -} - -/** - * \brief IUnknown::Release (desreases reference counter for interface) - * - * \param[in] This pointer to IUnknown class - * - * \return new value of reference counter - * - * \remarks - * When reference counter reaches zero calls destructor - * Return value should be used only for debug purposes - * - */ -static long STDCALL CMediaSample_Release(IUnknown* This) -{ - CMediaSample* parent = (CMediaSample*)This; - 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; -} - -/** - * \brief IMediaSample::GetPointer (retrieves a read/write pointer to the media sample's buffer) - * - * \param[in] This pointer to CMediaSample object - * \param[out] address of variable that receives pointer to sample's buffer - * - * \return S_OK success - * \return apropriate error otherwise - * - * \note The calles should not free or reallocate buffer - * - */ -static HRESULT STDCALL CMediaSample_GetPointer(IMediaSample* This, - /* [out] */ BYTE** ppBuffer) -{ - Debug printf("CMediaSample_GetPointer(%p) called -> %p, size: %d %d\n", This, ((CMediaSample*) This)->block, ((CMediaSample*)This)->actual_size, ((CMediaSample*)This)->size); - if (!ppBuffer) - return E_INVALIDARG; - *ppBuffer = (BYTE*) ((CMediaSample*) This)->block; - return 0; -} - -/** - * \brief IMediaSample::GetSize (retrieves a size of buffer in bytes) - * - * \param[in] This pointer to CMediaSample object - * - * \return size of buffer in bytes - * - */ -static long STDCALL CMediaSample_GetSize(IMediaSample * This) -{ - Debug printf("CMediaSample_GetSize(%p) called -> %d\n", This, ((CMediaSample*) This)->size); - return ((CMediaSample*) This)->size; -} - -/** - * \brief IMediaSample::GetTime (retrieves a stream time at wich sample sould start and finish) - * - * \param[in] This pointer to CMediaSample object - * \param[out] pTimeStart pointer to variable that receives start time - * \param[out] pTimeEnd pointer to variable that receives end time - * - * \return S_OK success - * \return VFW_E_NO_STOP_TIME The sample has valid start time, but no stop time - * \return VFW_E_SAMPLE_TIME_NOT_SET The sample is not time-stamped - * - * \remarks - * Both values are relative to stream time - * - */ -static HRESULT STDCALL CMediaSample_GetTime(IMediaSample * This, - /* [out] */ REFERENCE_TIME *pTimeStart, - /* [out] */ REFERENCE_TIME *pTimeEnd) -{ - Debug printf("CMediaSample_GetTime(%p) called (UNIMPLEMENTED)\n", This); - return E_NOTIMPL; -} - -/** - * \brief IMediaSample::SetTime (sets a stream time at wich sample sould start and finish) - * - * \param[in] This pointer to CMediaSample object - * \param[out] pTimeStart pointer to variable that contains start time - * \param[out] pTimeEnd pointer to variable that contains end time - * - * \return S_OK success - * \return apropriate error otherwise - * - * \remarks - * Both values are relative to stream time - * To invalidate the stream times set pTimeStart and pTimeEnd to NULL. this will cause - * IMEdiaSample::GetTime to return VFW_E_SAMPLE_TIME_NOT_SET - * - */ -static HRESULT STDCALL CMediaSample_SetTime(IMediaSample * This, - /* [in] */ REFERENCE_TIME *pTimeStart, - /* [in] */ REFERENCE_TIME *pTimeEnd) -{ - Debug printf("CMediaSample_SetTime(%p) called (UNIMPLEMENTED)\n", This); - return E_NOTIMPL; -} - -/** - * \brief IMediaSample::IsSyncPoint (determines if start of this sample is sync point) - * - * \param[in] This pointer to CMediaSample object - * - * \return S_OK start of this sample is sync point - * \return S_FALSE start of this sample is not sync point - * - * \remarks - * If bTemporalCompression of AM_MEDIA_TYPE is FALSE, all samples are sync points. - * - */ -static HRESULT STDCALL CMediaSample_IsSyncPoint(IMediaSample * This) -{ - Debug printf("CMediaSample_IsSyncPoint(%p) called\n", This); - if (((CMediaSample*)This)->isSyncPoint) - return 0; - return 1; -} - -/** - * \brief IMediaSample::SetSyncPoint (specifies if start of this sample is sync point) - * - * \param[in] This pointer to CMediaSample object - * \param[in] bIsSyncPoint specifies whether this is sync point or not - * - * \return S_OK success - * \return apropriate error code otherwise - * - */ -static HRESULT STDCALL CMediaSample_SetSyncPoint(IMediaSample * This, - long bIsSyncPoint) -{ - Debug printf("CMediaSample_SetSyncPoint(%p) called\n", This); - ((CMediaSample*)This)->isSyncPoint = bIsSyncPoint; - return 0; -} - -/** - * \brief IMediaSample::IsPreroll (determines if this sample is preroll sample) - * - * \param[in] This pointer to CMediaSample object - * - * \return S_OK if this sample is preroll sample - * \return S_FALSE if this sample is not preroll sample - * - * \remarks - * Preroll samples are processed but not displayed. They are lokated in media stream - * before displayable samples. - * - */ -static HRESULT STDCALL CMediaSample_IsPreroll(IMediaSample * This) -{ - Debug printf("CMediaSample_IsPreroll(%p) called\n", This); - - if (((CMediaSample*)This)->isPreroll) - return 0;//S_OK - - return 1;//S_FALSE -} - -/** - * \brief IMediaSample::SetPreroll (specifies if this sample is preroll sample) - * - * \param[in] This pointer to CMediaSample object - * \param[in] bIsPreroll specifies whether this sample is preroll sample or not - * - * \return S_OK success - * \return apropriate error code otherwise - * - * \remarks - * Preroll samples are processed but not displayed. They are lokated in media stream - * before displayable samples. - * - */ -static HRESULT STDCALL CMediaSample_SetPreroll(IMediaSample * This, - long bIsPreroll) -{ - Debug printf("CMediaSample_SetPreroll(%p) called\n", This); - ((CMediaSample*)This)->isPreroll=bIsPreroll; - return 0; -} - -/** - * \brief IMediaSample::GetActualDataLength (retrieves the length of valid data in the buffer) - * - * \param[in] This pointer to CMediaSample object - * - * \return length of valid data in buffer in bytes - * - */ -static long STDCALL CMediaSample_GetActualDataLength(IMediaSample* This) -{ - Debug printf("CMediaSample_GetActualDataLength(%p) called -> %d\n", This, ((CMediaSample*)This)->actual_size); - return ((CMediaSample*)This)->actual_size; -} - -/** - * \brief IMediaSample::SetActualDataLength (specifies the length of valid data in the buffer) - * - * \param[in] This pointer to CMediaSample object - * \param[in] __MIDL_0010 length of data in sample in bytes - * - * \return S_OK success - * \return VFW_E_BUFFER_OVERFLOW length specified by parameter is larger than buffer size - * - */ -static HRESULT STDCALL CMediaSample_SetActualDataLength(IMediaSample* This, - long __MIDL_0010) -{ - CMediaSample* cms = (CMediaSample*)This; - Debug printf("CMediaSample_SetActualDataLength(%p, %ld) called\n", This, __MIDL_0010); - - if (__MIDL_0010 > cms->size) - { - char* c = cms->own_block; - Debug printf("CMediaSample - buffer overflow %ld %d %p %p\n", - __MIDL_0010, ((CMediaSample*)This)->size, cms->own_block, cms->block); - cms->own_block = realloc(cms->own_block, (size_t) __MIDL_0010 + SAFETY_ACEL); - if (c == cms->block) - cms->block = cms->own_block; - cms->size = __MIDL_0010; - } - cms->actual_size = __MIDL_0010; - return 0; -} - -/** - * \brief IMediaSample::GetMediaType (retrieves media type, if it changed from previous sample) - * - * \param[in] This pointer to CMediaSample object - * \param[out] ppMediaType address of variable that receives pointer to AM_MEDIA_TYPE. - * - * \return S_OK success - * \return S_FALSE Media type was not changed from previous sample - * \return E_OUTOFMEMORY Insufficient memory - * - * \remarks - * If media type is not changed from previous sample, ppMediaType is null - * If method returns S_OK caller should free memory allocated for structure - * including pbFormat block - */ -static HRESULT STDCALL CMediaSample_GetMediaType(IMediaSample* This, - AM_MEDIA_TYPE** ppMediaType) -{ - AM_MEDIA_TYPE* t; - Debug printf("CMediaSample_GetMediaType(%p) called\n", This); - if(!ppMediaType) - return E_INVALIDARG; - if(!((CMediaSample*)This)->type_valid) - { - *ppMediaType=0; - return 1; - } - - t = &((CMediaSample*)This)->media_type; - // free(t.pbFormat); - *ppMediaType=CreateMediaType(t); - // *ppMediaType=0; //media type was not changed - return 0; -} - -/** - * \brief IMediaType::SetMediaType (specifies media type for sample) - * - * \param[in] This pointer to CMediaSample object - * \param[in] pMediaType pointer to AM_MEDIA_TYPE specifies new media type - * - * \return S_OK success - * \return E_OUTOFMEMORY insufficient memory - * - */ -static HRESULT STDCALL CMediaSample_SetMediaType(IMediaSample * This, - AM_MEDIA_TYPE *pMediaType) -{ - AM_MEDIA_TYPE* t; - Debug printf("CMediaSample_SetMediaType(%p) called\n", This); - if (!pMediaType) - return E_INVALIDARG; - t = &((CMediaSample*)This)->media_type; - if(((CMediaSample*)This)->type_valid) - FreeMediaType(t); - CopyMediaType(t,pMediaType); - ((CMediaSample*) This)->type_valid=1; - - return 0; -} - -/** - * \brief IMediaSample::IsDiscontinuity (determines if this sample represents data break - * in stream) - * - * \param[in] This pointer to CMediaSample object - * - * \return S_OK if this sample is break in data stream - * \return S_FALSE otherwise - * - * \remarks - * Discontinuity occures when filter seeks to different place in the stream or when drops - * samples. - * - */ -static HRESULT STDCALL CMediaSample_IsDiscontinuity(IMediaSample * This) -{ - Debug printf("CMediaSample_IsDiscontinuity(%p) called\n", This); - return ((CMediaSample*) This)->isDiscontinuity; -} - -/** - * \brief IMediaSample::IsDiscontinuity (specifies whether this sample represents data break - * in stream) - * - * \param[in] This pointer to CMediaSample object - * \param[in] bDiscontinuity if TRUE this sample represents discontinuity with previous sample - * - * \return S_OK success - * \return apropriate error code otherwise - * - */ -static HRESULT STDCALL CMediaSample_SetDiscontinuity(IMediaSample * This, - long bDiscontinuity) -{ - Debug printf("CMediaSample_SetDiscontinuity(%p) called (%ld)\n", This, bDiscontinuity); - ((CMediaSample*) This)->isDiscontinuity = bDiscontinuity; - return 0; -} - -/** - * \brief IMediaSample::GetMediaTime (retrieves the media times of this sample) - * - * \param[in] This pointer to CMediaSample object - * \param[out] pTimeStart pointer to variable that receives start time - * \param[out] pTimeEnd pointer to variable that receives end time - * - * \return S_OK success - * \return VFW_E_MEDIA_TIME_NOT_SET The sample is not time-stamped - * - */ -static HRESULT STDCALL CMediaSample_GetMediaTime(IMediaSample * This, - /* [out] */ LONGLONG *pTimeStart, - /* [out] */ LONGLONG *pTimeEnd) -{ - Debug printf("CMediaSample_GetMediaTime(%p) called\n", This); - if (pTimeStart) - *pTimeStart = ((CMediaSample*) This)->time_start; - if (pTimeEnd) - *pTimeEnd = ((CMediaSample*) This)->time_end; - return 0; -} - -/** - * \brief IMediaSample::GetMediaTime (retrieves the media times of this sample) - * - * \param[in] This pointer to CMediaSample object - * \param[out] pTimeStart pointer to variable that specifies start time - * \param[out] pTimeEnd pointer to variable that specifies end time - * - * \return S_OK success - * \return apropriate error code otherwise - * - * \remarks - * To invalidate the media times set pTimeStart and pTimeEnd to NULL. this will cause - * IMEdiaSample::GetTime to return VFW_E_MEDIA_TIME_NOT_SET - */ -static HRESULT STDCALL CMediaSample_SetMediaTime(IMediaSample * This, - /* [in] */ LONGLONG *pTimeStart, - /* [in] */ LONGLONG *pTimeEnd) -{ - Debug printf("CMediaSample_SetMediaTime(%p) called\n", This); - if (pTimeStart) - ((CMediaSample*) This)->time_start = *pTimeStart; - if (pTimeEnd) - ((CMediaSample*) This)->time_end = *pTimeEnd; - return 0; -} - -/** - * \brief CMediaSample::SetPointer (extension for direct memory write of decompressed data) - * - * \param[in] This pointer to CMediaSample object - * \param[in] pointer pointer to an external buffer to store data to - * - */ -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; -} - -/** - * \brief CMediaSample::SetPointer (resets pointer to external buffer with internal one) - * - * \param[in] This pointer to CMediaSample object - * - */ -static void CMediaSample_ResetPointer(CMediaSample* This) -{ - Debug printf("CMediaSample_ResetPointer(%p) called\n", This); - This->block = This->own_block; -} - -/** - * \brief CMediaSample constructor - * - * \param[in] allocator IMemallocator interface of allocator to use - * \param[in] size size of internal buffer - * - * \return pointer to CMediaSample object of NULL if error occured - * - */ -CMediaSample* CMediaSampleCreate(IMemAllocator* allocator, int size) -{ - CMediaSample* This = malloc(sizeof(CMediaSample)); - if (!This) - return NULL; - - // some hack here! - // it looks like Acelp decoder is actually accessing - // the allocated memory before it sets the new size for it ??? - // -- maybe it's being initialized with wrong parameters - // anyway this is fixes the problem somehow with some reserves - // - // using different trick for now - in DS_Audio modify sample size - //if (size < 0x1000) - // size = (size + 0xfff) & ~0xfff; - - This->vt = malloc(sizeof(IMediaSample_vt)); - This->own_block = malloc((size_t)size + SAFETY_ACEL); - This->media_type.pbFormat = 0; - This->media_type.pUnk = 0; - - if (!This->vt || !This->own_block) - { - CMediaSample_Destroy(This); - return NULL; - } - - 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->isPreroll = 0; - This->isDiscontinuity = 1; - This->time_start = 0; - This->time_end = 0; - This->type_valid = 0; - 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; -} |