59 lines
2.4 KiB
C
59 lines
2.4 KiB
C
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/*
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* SPDX-License-Identifier: MIT
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* Copyright (C) 2004 - 2021 AJA Video Systems, Inc.
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*/
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//========================================================================
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//
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// ntv2autodma.h
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//
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//==========================================================================
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#ifndef NTV2AUTODMA_H
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#define NTV2AUTODMA_H
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#include "ntv2system.h"
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#include "ntv2publicinterface.h"
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// dma transfer parameters
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typedef struct _autoDmaParams
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{
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bool toHost; // transfer to host
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NTV2DMAEngine dmaEngine; // dma engine
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NTV2Channel videoChannel; // video channel for frame size
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void* pVidUserVa; // user video buffer
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uint64_t videoBusAddress; // p2p video bus address
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uint32_t videoBusSize; // p2p video bus size
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uint64_t messageBusAddress; // p2p message bus address
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uint32_t messageData; // p2p message data
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uint32_t videoFrame; // card video frame
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uint32_t vidNumBytes; // number of bytes per segment
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uint32_t frameOffset; // card video offset
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uint32_t vidUserPitch; // user buffer pitch
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uint32_t vidFramePitch; // card frame pitch
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uint32_t numSegments; // number of segments
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void* pAudUserVa; // audio user buffer
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NTV2AudioSystem audioSystem; // audio system target
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uint32_t audNumBytes; // number of audio bytes
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uint32_t audOffset; // card audio offset
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void* pAncF1UserVa; // anc field 1 user buffer
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uint32_t ancF1Frame; // anc field 1 frame
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uint32_t ancF1NumBytes; // number of anc field 1 bytes
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uint32_t ancF1Offset; // anc field 1 frame offset
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void* pAncF2UserVa; // anc field 2 user buffer
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uint32_t ancF2Frame; // anc field 2 frame
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uint32_t ancF2NumBytes; // number of anc field 2 bytes
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uint32_t ancF2Offset; // anc field 2 frame offset
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} AUTO_DMA_PARAMS, *PAUTO_DMA_PARAMS;
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// STUBS
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// Real device drivers and fake devices must implement:
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Ntv2Status AutoDmaTransfer(void* pContext, PAUTO_DMA_PARAMS pDmaParams);
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int64_t AutoGetAudioClock(void* pContext);
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bool AutoBoardCanDoP2P(void* pContext); // P2P-related
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uint64_t AutoGetFrameAperturePhysicalAddress(void* pContext); // P2P only
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uint32_t AutoGetFrameApertureBaseSize(void* pContext); // P2P only
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void AutoWriteFrameApertureOffset(void* pContext, uint32_t value); // P2P only
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uint64_t AutoGetMessageAddress(void* pContext, NTV2Channel channel); // P2P only
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#endif // NTV2AUTODMA_H
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