66 lines
2.9 KiB
C++
66 lines
2.9 KiB
C++
#pragma once
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#include "aja-props.hpp"
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#include "aja-presets.hpp"
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#include <ajantv2/includes/ntv2enums.h>
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#include <ajantv2/includes/ntv2signalrouter.h>
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#include <string>
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class CNTV2Card;
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namespace aja {
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/* The AJA hardware and NTV2 SDK uses a concept called "Signal Routing" to connect high-level firmware
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* blocks known as "Widgets" to one another via "crosspoint" connections. This facilitates streaming
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* data from one Widget to another to achieve specific functionality.
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* Such functionality may include SDI/HDMI capture/output, colorspace conversion, hardware LUTs, etc.
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*
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* This code references a table of RoutingConfig entries, where each entry contains the settings required
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* to configure an AJA device for a particular capture or output task. These settings include the number of
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* physical IO Widgets (SDI or HDMI) required, number of framestore Widgets required, register settings
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* that must be enabled or disabled, and a special short-hand "route string".
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* Of special note is the route string, which is parsed into a map of NTV2XptConnections. These connections
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* are then applied as the "signal route", connecting the Widget's crosspoints together.
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*/
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struct RoutingConfig {
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NTV2Mode mode; // capture or playout?
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uint32_t num_wires; // number of physical connections
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uint32_t num_framestores; // number of framestores used
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bool enable_3g_out; // enable register for 3G SDI Output?
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bool enable_6g_out; // enable register for 6G SDI Output?
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bool enable_12g_out; // enable register for 12G SDI Output?
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bool convert_3g_in; // enable register for 3G level-B -> level-A SDI input conversion?
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bool convert_3g_out; // enable register for 3G level-A -> level-B SDI output conversion?
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bool enable_rgb_3ga_convert; // enable register for RGB 3G level-B -> level-A SDI output conversion?
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bool enable_3gb_out; // enable register for 3G level-B SDI output?
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bool enable_4k_squares; // enable register for 4K square division?
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bool enable_8k_squares; // enable register for 8K square division?
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bool enable_tsi; // enable register for two-sample interleave (UHD/4K/8K)
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std::string
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route_string; // signal routing shorthand string to parse into crosspoint connections
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};
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// Applies RoutingConfig settings to the card to configure a specific SDI/HDMI capture/output mode.
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class Routing {
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public:
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static bool ParseRouteString(const std::string &route,
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NTV2XptConnections &cnx);
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static void StartSourceAudio(const SourceProps &props, CNTV2Card *card);
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static void StopSourceAudio(const SourceProps &props, CNTV2Card *card);
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static bool ConfigureSourceRoute(const SourceProps &props,
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NTV2Mode mode, CNTV2Card *card,
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NTV2XptConnections &cnx);
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static bool ConfigureOutputRoute(const OutputProps &props,
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NTV2Mode mode, CNTV2Card *card,
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NTV2XptConnections &cnx);
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static void ConfigureOutputAudio(const OutputProps &props,
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CNTV2Card *card);
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static void LogRoutingPreset(const RoutingPreset &rp);
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};
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} // aja
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