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Diffstat (limited to 'source/gameengine/VideoTexture/VideoDeckLink.h')
| -rw-r--r-- | source/gameengine/VideoTexture/VideoDeckLink.h | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/source/gameengine/VideoTexture/VideoDeckLink.h b/source/gameengine/VideoTexture/VideoDeckLink.h deleted file mode 100644 index d5419176691..00000000000 --- a/source/gameengine/VideoTexture/VideoDeckLink.h +++ /dev/null @@ -1,256 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2015, Blender Foundation - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): Blender Foundation. - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file VideoDeckLink.h - * \ingroup bgevideotex - */ - -#ifndef __VIDEODECKLINK_H__ -#define __VIDEODECKLINK_H__ - -#ifdef WITH_GAMEENGINE_DECKLINK - -/* this needs to be parsed with __cplusplus defined before included through DeckLink_compat.h */ -#if defined(__FreeBSD__) -# include <inttypes.h> -#endif -#include <map> -#include <set> - -extern "C" { -#include <pthread.h> -#include "DNA_listBase.h" -#include "BLI_threads.h" -#include "BLI_blenlib.h" -} -#include "GPU_glew.h" -#ifdef WIN32 -#include "dvpapi.h" -#endif -#include "DeckLinkAPI.h" -#include "VideoBase.h" - -class PinnedMemoryAllocator; - -struct TextureDesc -{ - uint32_t width; - uint32_t height; - uint32_t stride; - uint32_t size; - GLenum internalFormat; - GLenum format; - GLenum type; - TextureDesc() - { - width = 0; - height = 0; - stride = 0; - size = 0; - internalFormat = 0; - format = 0; - type = 0; - } -}; - -class CaptureDelegate; - -// type VideoDeckLink declaration -class VideoDeckLink : public VideoBase -{ - friend class CaptureDelegate; -public: - /// constructor - VideoDeckLink (HRESULT * hRslt); - /// destructor - virtual ~VideoDeckLink (); - - /// open video/image file - virtual void openFile(char *file); - /// open video capture device - virtual void openCam(char *driver, short camIdx); - - /// release video source - virtual bool release (void); - /// overwrite base refresh to handle fixed image - virtual void refresh(void); - /// play video - virtual bool play (void); - /// pause video - virtual bool pause (void); - /// stop video - virtual bool stop (void); - /// set play range - virtual void setRange (double start, double stop); - /// set frame rate - virtual void setFrameRate (float rate); - -protected: - // format and codec information - /// image calculation - virtual void calcImage (unsigned int texId, double ts); - -private: - void VideoFrameArrived(IDeckLinkVideoInputFrame* inputFrame); - void LockCache() - { - pthread_mutex_lock(&mCacheMutex); - } - void UnlockCache() - { - pthread_mutex_unlock(&mCacheMutex); - } - - IDeckLinkInput* mDLInput; - BMDDisplayMode mDisplayMode; - BMDPixelFormat mPixelFormat; - bool mUse3D; - uint32_t mFrameWidth; - uint32_t mFrameHeight; - TextureDesc mTextureDesc; - PinnedMemoryAllocator* mpAllocator; - CaptureDelegate* mpCaptureDelegate; - - // cache frame in transit between the callback thread and the main BGE thread - // keep only one frame in cache because we just want to keep up with real time - pthread_mutex_t mCacheMutex; - IDeckLinkVideoInputFrame* mpCacheFrame; - bool mClosing; - -}; - -inline VideoDeckLink *getDeckLink(PyImage *self) -{ - return static_cast<VideoDeckLink*>(self->m_image); -} - -//////////////////////////////////////////// -// TextureTransfer : Abstract class to perform a transfer to GPU memory using fast transfer if available -//////////////////////////////////////////// -class TextureTransfer -{ -public: - TextureTransfer() {} - virtual ~TextureTransfer() { } - - virtual void PerformTransfer() = 0; -protected: - static bool _PinBuffer(void *address, uint32_t size); - static void _UnpinBuffer(void* address, uint32_t size); -}; - -//////////////////////////////////////////// -// PinnedMemoryAllocator -//////////////////////////////////////////// - -// PinnedMemoryAllocator implements the IDeckLinkMemoryAllocator interface and can be used instead of the -// built-in frame allocator, by setting with SetVideoInputFrameMemoryAllocator() or SetVideoOutputFrameMemoryAllocator(). -// -// For this sample application a custom frame memory allocator is used to ensure each address -// of frame memory is aligned on a 4kB boundary required by the OpenGL pinned memory extension. -// If the pinned memory extension is not available, this allocator will still be used and -// demonstrates how to cache frame allocations for efficiency. -// -// The frame cache delays the releasing of buffers until the cache fills up, thereby avoiding an -// allocate plus pin operation for every frame, followed by an unpin and deallocate on every frame. - - -class PinnedMemoryAllocator : public IDeckLinkMemoryAllocator -{ -public: - PinnedMemoryAllocator(unsigned cacheSize, size_t memSize); - virtual ~PinnedMemoryAllocator(); - - void TransferBuffer(void* address, TextureDesc* texDesc, GLuint texId); - - // IUnknown methods - virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv); - virtual ULONG STDMETHODCALLTYPE AddRef(void); - virtual ULONG STDMETHODCALLTYPE Release(void); - - // IDeckLinkMemoryAllocator methods - virtual HRESULT STDMETHODCALLTYPE AllocateBuffer(dl_size_t bufferSize, void* *allocatedBuffer); - virtual HRESULT STDMETHODCALLTYPE ReleaseBuffer(void* buffer); - virtual HRESULT STDMETHODCALLTYPE Commit(); - virtual HRESULT STDMETHODCALLTYPE Decommit(); - -private: - static bool mGPUDirectInitialized; - static bool mHasDvp; - static bool mHasAMDPinnedMemory; - static size_t mReservedProcessMemory; - static bool ReserveMemory(size_t size); - - void Lock() - { - pthread_mutex_lock(&mMutex); - } - void Unlock() - { - pthread_mutex_unlock(&mMutex); - } - HRESULT _ReleaseBuffer(void* buffer); - - uint32_t mRefCount; - // protect the cache and the allocated map, - // not the pinnedBuffer map as it is only used from main thread - pthread_mutex_t mMutex; - std::map<void*, uint32_t> mAllocatedSize; - std::vector<void*> mBufferCache; - std::map<void *, TextureTransfer*> mPinnedBuffer; -#ifdef WIN32 - DVPBufferHandle mDvpCaptureTextureHandle; -#endif - // target texture in GPU - GLuint mTexId; - uint32_t mBufferCacheSize; -}; - -//////////////////////////////////////////// -// Capture Delegate Class -//////////////////////////////////////////// - -class CaptureDelegate : public IDeckLinkInputCallback -{ - VideoDeckLink* mpOwner; - -public: - CaptureDelegate(VideoDeckLink* pOwner); - - // IUnknown needs only a dummy implementation - virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv) { return E_NOINTERFACE; } - virtual ULONG STDMETHODCALLTYPE AddRef() { return 1; } - virtual ULONG STDMETHODCALLTYPE Release() { return 1; } - - virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame *videoFrame, IDeckLinkAudioInputPacket *audioPacket); - virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents notificationEvents, IDeckLinkDisplayMode *newDisplayMode, BMDDetectedVideoInputFormatFlags detectedSignalFlags); -}; - - -#endif /* WITH_GAMEENGINE_DECKLINK */ - -#endif /* __VIDEODECKLINK_H__ */ |