62 lines
1.4 KiB
C
62 lines
1.4 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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// Filename: ntv2genlock.h
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// Purpose: Genlock monitor
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//
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///////////////////////////////////////////////////////////////
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#ifndef NTV2GENLOCK_HEADER
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#define NTV2GENLOCK_HEADER
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#include "ntv2system.h"
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#define NTV2_GENLOCK_STRING_SIZE 80
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enum ntv2_genlock_mode {
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ntv2_genlock_mode_unknown,
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ntv2_genlock_mode_zero,
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ntv2_genlock_mode_ntsc_27mhz,
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ntv2_genlock_mode_size
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};
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struct ntv2_genlock {
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int index;
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char name[NTV2_GENLOCK_STRING_SIZE];
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Ntv2SystemContext* system_context;
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Ntv2SpinLock state_lock;
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Ntv2Thread monitor_task;
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bool monitor_enable;
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Ntv2Event monitor_event;
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uint32_t ref_source;
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uint32_t gen_source;
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bool ref_locked;
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bool gen_locked;
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uint32_t ref_lines;
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uint32_t ref_rate;
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uint32_t gen_lines;
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uint32_t gen_rate;
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uint8_t page_address;
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};
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struct ntv2_genlock *ntv2_genlock_open(Ntv2SystemContext* sys_con,
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const char *name, int index);
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void ntv2_genlock_close(struct ntv2_genlock *ntv2_gen);
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Ntv2Status ntv2_genlock_configure(struct ntv2_genlock *ntv2_gen);
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Ntv2Status ntv2_genlock_enable(struct ntv2_genlock *ntv2_gen);
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Ntv2Status ntv2_genlock_disable(struct ntv2_genlock *ntv2_gen);
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Ntv2Status ntv2_genlock_program(struct ntv2_genlock *ntv2_gen,
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enum ntv2_genlock_mode mode);
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#endif
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