mirror of
https://github.com/outbackdingo/UltraGrid.git
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bf7fb05184
Intended mainly for modules that need to run or be run from mainloop (eg. Syphon client).
169 lines
5.4 KiB
C++
169 lines
5.4 KiB
C++
/**
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* @file host.h
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* @author Martin Benes <martinbenesh@gmail.com>
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* @author Lukas Hejtmanek <xhejtman@ics.muni.cz>
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* @author Petr Holub <hopet@ics.muni.cz>
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* @author Milos Liska <xliska@fi.muni.cz>
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* @author Jiri Matela <matela@ics.muni.cz>
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* @author Dalibor Matura <255899@mail.muni.cz>
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* @author Ian Wesley-Smith <iwsmith@cct.lsu.edu>
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* @author Martin Pulec <pulec@cesnet.cz>
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*
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* This file contains common (global) variables and functions.
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*/
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/*
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* Copyright (c) 2005-2017 CESNET z.s.p.o.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, is permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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*
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* This product includes software developed by CESNET z.s.p.o.
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*
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* 4. Neither the name of the CESNET nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __host_h
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#define __host_h
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#include "config_unix.h"
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#include "config_win32.h"
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#endif
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#define EXIT_FAIL_USAGE 2
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#define EXIT_FAIL_UI 3
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#define EXIT_FAIL_DISPLAY 4
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#define EXIT_FAIL_CAPTURE 5
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#define EXIT_FAIL_DECODER 6
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#define EXIT_FAIL_TRANSMIT 7
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#define EXIT_FAIL_COMPRESS 8
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#define EXIT_FAIL_CONTROL_SOCK 9
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#define EXIT_FAIL_NETWORK 10
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#define EXIT_FAIL_AUDIO 11
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct module;
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struct video_frame;
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struct vidcap_params;
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extern int uv_argc;
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extern char **uv_argv;
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extern volatile bool should_exit;
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void exit_uv(int status);
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#define DEFAULT_AUDIO_CAPTURE_CHANNELS 1
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extern unsigned int audio_capture_channels;
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extern unsigned int audio_capture_bps; // user-specified bps, if zero, module should choose
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// best bps by itself
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extern unsigned int audio_capture_sample_rate; // user-specified sample rate, if zero, module should
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// choose best value by itself (usually 48000)
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#define MAX_CUDA_DEVICES 4
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extern unsigned int cuda_devices[];
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extern unsigned int cuda_devices_count;
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#define LOG_LEVEL_QUIET 0
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#define LOG_LEVEL_FATAL 1
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#define LOG_LEVEL_ERROR 2
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#define LOG_LEVEL_WARNING 3
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#define LOG_LEVEL_NOTICE 4
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#define LOG_LEVEL_INFO 5
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#define LOG_LEVEL_VERBOSE 6
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#define LOG_LEVEL_DEBUG 7
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#define LOG_LEVEL_MAX LOG_LEVEL_DEBUG
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extern volatile int log_level;
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extern bool color_nix_term;
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#define MODE_SENDER (1<<0)
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#define MODE_RECEIVER (1<<1)
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extern char *sage_network_device;
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typedef void (*mainloop_t)(void *);
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extern mainloop_t mainloop;
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extern void *mainloop_udata;
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// Both of following varables are non-negative. It indicates amount of milliseconds that
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// audio or video should be delayed. This shall be used for AV sync control. For
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// getting/setting you can use get_av_delay()/set_av_delay(). All is in milliseconds.
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extern volatile int audio_offset;
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extern volatile int video_offset;
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int get_audio_delay(void);
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void set_audio_delay(int val);
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#define RATE_UNLIMITED 0
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#define RATE_AUTO -1
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bool common_preinit(int argc, char *argv[]);
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/**
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* @param use_vidcap Use user suplied video capture device to elaborate input format.
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* This is used to adjust compression bitrate to correspond detected
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* input video format.
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*/
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void print_capabilities(struct module *root, bool use_vidcap);
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void print_version(void);
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void print_configuration(void);
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const char *get_commandline_param(const char *key);
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bool set_output_buffering();
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void register_param(const char *param, const char *doc);
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bool validate_param(const char *param);
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void print_param_doc(void);
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bool register_mainloop(mainloop_t, void *);
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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#include <unordered_map>
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#include <string>
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extern std::unordered_map<std::string, std::string> commandline_params;
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#endif
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#define ADD_TO_PARAM(salt, param, doc) static void add_to_param_doc##salt(void) __attribute__((constructor));\
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\
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static void add_to_param_doc##salt(void) \
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{\
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register_param(param, doc);\
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}\
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struct NOT_DEFINED_STRUCT_THAT_SWALLOWS_SEMICOLON
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#endif
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