/****************************************************************************** Copyright (C) 2013-2014 by Hugh Bailey 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, see . ******************************************************************************/ #pragma once #include "util/c99defs.h" #include "util/bmem.h" #include "util/profiler.h" #include "util/text-lookup.h" #include "graphics/graphics.h" #include "graphics/vec2.h" #include "graphics/vec3.h" #include "media-io/audio-io.h" #include "media-io/video-io.h" #include "callback/signal.h" #include "callback/proc.h" #include "obs-config.h" #include "obs-defs.h" #include "obs-data.h" #include "obs-ui.h" #include "obs-properties.h" #include "obs-interaction.h" struct matrix4; /* opaque types */ struct obs_display; struct obs_view; struct obs_source; struct obs_scene; struct obs_scene_item; struct obs_output; struct obs_encoder; struct obs_service; struct obs_module; struct obs_fader; struct obs_volmeter; typedef struct obs_display obs_display_t; typedef struct obs_view obs_view_t; typedef struct obs_source obs_source_t; typedef struct obs_scene obs_scene_t; typedef struct obs_scene_item obs_sceneitem_t; typedef struct obs_output obs_output_t; typedef struct obs_encoder obs_encoder_t; typedef struct obs_service obs_service_t; typedef struct obs_module obs_module_t; typedef struct obs_fader obs_fader_t; typedef struct obs_volmeter obs_volmeter_t; typedef struct obs_weak_source obs_weak_source_t; typedef struct obs_weak_output obs_weak_output_t; typedef struct obs_weak_encoder obs_weak_encoder_t; typedef struct obs_weak_service obs_weak_service_t; #include "obs-source.h" #include "obs-encoder.h" #include "obs-output.h" #include "obs-service.h" #include "obs-audio-controls.h" #include "obs-hotkey.h" /** * @file * @brief Main libobs header used by applications. * * @mainpage * * @section intro_sec Introduction * * This document describes the api for libobs to be used by applications as well * as @ref modules_page implementing some kind of functionality. * */ #ifdef __cplusplus extern "C" { #endif /** Used for changing the order of items (for example, filters in a source, * or items in a scene) */ enum obs_order_movement { OBS_ORDER_MOVE_UP, OBS_ORDER_MOVE_DOWN, OBS_ORDER_MOVE_TOP, OBS_ORDER_MOVE_BOTTOM }; /** * Used with obs_source_process_filter to specify whether the filter should * render the source directly with the specified effect, or whether it should * render it to a texture */ enum obs_allow_direct_render { OBS_NO_DIRECT_RENDERING, OBS_ALLOW_DIRECT_RENDERING, }; enum obs_scale_type { OBS_SCALE_DISABLE, OBS_SCALE_POINT, OBS_SCALE_BICUBIC, OBS_SCALE_BILINEAR, OBS_SCALE_LANCZOS }; /** * Used with scene items to indicate the type of bounds to use for scene items. * Mostly determines how the image will be scaled within those bounds, or * whether to use bounds at all. */ enum obs_bounds_type { OBS_BOUNDS_NONE, /**< no bounds */ OBS_BOUNDS_STRETCH, /**< stretch (ignores base scale) */ OBS_BOUNDS_SCALE_INNER, /**< scales to inner rectangle */ OBS_BOUNDS_SCALE_OUTER, /**< scales to outer rectangle */ OBS_BOUNDS_SCALE_TO_WIDTH, /**< scales to the width */ OBS_BOUNDS_SCALE_TO_HEIGHT, /**< scales to the height */ OBS_BOUNDS_MAX_ONLY, /**< no scaling, maximum size only */ }; struct obs_transform_info { struct vec2 pos; float rot; struct vec2 scale; uint32_t alignment; enum obs_bounds_type bounds_type; uint32_t bounds_alignment; struct vec2 bounds; }; /** * Video initialization structure */ struct obs_video_info { /** * Graphics module to use (usually "libobs-opengl" or "libobs-d3d11") */ const char *graphics_module; uint32_t fps_num; /**< Output FPS numerator */ uint32_t fps_den; /**< Output FPS denominator */ uint32_t base_width; /**< Base compositing width */ uint32_t base_height; /**< Base compositing height */ uint32_t output_width; /**< Output width */ uint32_t output_height; /**< Output height */ enum video_format output_format; /**< Output format */ /** Video adapter index to use (NOTE: avoid for optimus laptops) */ uint32_t adapter; /** Use shaders to convert to different color formats */ bool gpu_conversion; enum video_colorspace colorspace; /**< YUV type (if YUV) */ enum video_range_type range; /**< YUV range (if YUV) */ enum obs_scale_type scale_type; /**< How to scale if scaling */ }; /** * Audio initialization structure */ struct obs_audio_info { uint32_t samples_per_sec; enum speaker_layout speakers; }; /** * Sent to source filters via the filter_audio callback to allow filtering of * audio data */ struct obs_audio_data { uint8_t *data[MAX_AV_PLANES]; uint32_t frames; uint64_t timestamp; }; /** * Source audio output structure. Used with obs_source_output_audio to output * source audio. Audio is automatically resampled and remixed as necessary. */ struct obs_source_audio { const uint8_t *data[MAX_AV_PLANES]; uint32_t frames; enum speaker_layout speakers; enum audio_format format; uint32_t samples_per_sec; uint64_t timestamp; }; /** * Source asynchronous video output structure. Used with * obs_source_output_video to output asynchronous video. Video is buffered as * necessary to play according to timestamps. When used with audio output, * audio is synced to video as it is played. * * If a YUV format is specified, it will be automatically upsampled and * converted to RGB via shader on the graphics processor. */ struct obs_source_frame { uint8_t *data[MAX_AV_PLANES]; uint32_t linesize[MAX_AV_PLANES]; uint32_t width; uint32_t height; uint64_t timestamp; enum video_format format; float color_matrix[16]; bool full_range; float color_range_min[3]; float color_range_max[3]; bool flip; /* used internally by libobs */ volatile long refs; bool prev_frame; }; /* ------------------------------------------------------------------------- */ /* OBS context */ /** * Initializes OBS * * @param locale The locale to use for modules * @param module_config_path Path to module config storage directory * (or NULL if none) * @param store The profiler name store for OBS to use or NULL */ EXPORT bool obs_startup(const char *locale, const char *module_config_path, profiler_name_store_t *store); /** Releases all data associated with OBS and terminates the OBS context */ EXPORT void obs_shutdown(void); /** @return true if the main OBS context has been initialized */ EXPORT bool obs_initialized(void); /** @return The current core version */ EXPORT uint32_t obs_get_version(void); /** * Sets a new locale to use for modules. This will call obs_module_set_locale * for each module with the new locale. * * @param locale The locale to use for modules */ EXPORT void obs_set_locale(const char *locale); /** @return the current locale */ EXPORT const char *obs_get_locale(void); /** * Returns the profiler name store (see util/profiler.h) used by OBS, which is * either a name store passed to obs_startup, an internal name store, or NULL * in case obs_initialized() returns false. */ EXPORT profiler_name_store_t *obs_get_profiler_name_store(void); /** * Sets base video ouput base resolution/fps/format. * * @note This data cannot be changed if an output is corrently active. * @note The graphics module cannot be changed without fully destroying the * OBS context. * * @param ovi Pointer to an obs_video_info structure containing the * specification of the graphics subsystem, * @return OBS_VIDEO_SUCCESS if sucessful * OBS_VIDEO_NOT_SUPPORTED if the adapter lacks capabilities * OBS_VIDEO_INVALID_PARAM if a parameter is invalid * OBS_VIDEO_CURRENTLY_ACTIVE if video is currently active * OBS_VIDEO_MODULE_NOT_FOUND if the graphics module is not found * OBS_VIDEO_FAIL for generic failure */ EXPORT int obs_reset_video(struct obs_video_info *ovi); /** * Sets base audio output format/channels/samples/etc * * @note Cannot reset base audio if an output is currently active. */ EXPORT bool obs_reset_audio(const struct obs_audio_info *oai); /** Gets the current video settings, returns false if no video */ EXPORT bool obs_get_video_info(struct obs_video_info *ovi); /** Gets the current audio settings, returns false if no audio */ EXPORT bool obs_get_audio_info(struct obs_audio_info *oai); /** * Opens a plugin module directly from a specific path. * * If the module already exists then the function will return successful, and * the module parameter will be given the pointer to the existing module. * * This does not initialize the module, it only loads the module image. To * initialize the module, call obs_init_module. * * @param module The pointer to the created module. * @param path Specifies the path to the module library file. If the * extension is not specified, it will use the extension * appropriate to the operating system. * @param data_path Specifies the path to the directory where the module's * data files are stored. * @returns MODULE_SUCCESS if successful * MODULE_ERROR if a generic error occurred * MODULE_FILE_NOT_FOUND if the module was not found * MODULE_MISSING_EXPORTS if required exports are missing * MODULE_INCOMPATIBLE_VER if incompatible version */ EXPORT int obs_open_module(obs_module_t **module, const char *path, const char *data_path); /** * Initializes the module, which calls its obs_module_load export. If the * module is alrady loaded, then this function does nothing and returns * successful. */ EXPORT bool obs_init_module(obs_module_t *module); /** Logs loaded modules */ EXPORT void obs_log_loaded_modules(void); /** Returns the module file name */ EXPORT const char *obs_get_module_file_name(obs_module_t *module); /** Returns the module full name */ EXPORT const char *obs_get_module_name(obs_module_t *module); /** Returns the module author(s) */ EXPORT const char *obs_get_module_author(obs_module_t *module); /** Returns the module description */ EXPORT const char *obs_get_module_description(obs_module_t *module); /** Returns the module binary path */ EXPORT const char *obs_get_module_binary_path(obs_module_t *module); /** Returns the module data path */ EXPORT const char *obs_get_module_data_path(obs_module_t *module); /** * Adds a module search path to be used with obs_find_modules. If the search * path strings contain %module%, that text will be replaced with the module * name when used. * * @param bin Specifies the module's binary directory search path. * @param data Specifies the module's data directory search path. */ EXPORT void obs_add_module_path(const char *bin, const char *data); /** Automatically loads all modules from module paths (convenience function) */ EXPORT void obs_load_all_modules(void); struct obs_module_info { const char *bin_path; const char *data_path; }; typedef void (*obs_find_module_callback_t)(void *param, const struct obs_module_info *info); /** Finds all modules within the search paths added by obs_add_module_path. */ EXPORT void obs_find_modules(obs_find_module_callback_t callback, void *param); typedef void (*obs_enum_module_callback_t)(void *param, obs_module_t *module); /** Enumerates all loaded modules */ EXPORT void obs_enum_modules(obs_enum_module_callback_t callback, void *param); /** Helper function for using default module locale */ EXPORT lookup_t *obs_module_load_locale(obs_module_t *module, const char *default_locale, const char *locale); /** * Returns the location of a plugin module data file. * * @note Modules should use obs_module_file function defined in obs-module.h * as a more elegant means of getting their files without having to * specify the module parameter. * * @param module The module associated with the file to locate * @param file The file to locate * @return Path string, or NULL if not found. Use bfree to free string. */ EXPORT char *obs_find_module_file(obs_module_t *module, const char *file); /** * Returns the path of a plugin module config file (whether it exists or not) * * @note Modules should use obs_module_config_path function defined in * obs-module.h as a more elegant means of getting their files without * having to specify the module parameter. * * @param module The module associated with the path * @param file The file to get a path to * @return Path string, or NULL if not found. Use bfree to free string. */ EXPORT char *obs_module_get_config_path(obs_module_t *module, const char *file); /** Enumerates all source types (inputs, filters, transitions, etc). */ EXPORT bool obs_enum_source_types(size_t idx, const char **id); /** * Enumerates all available inputs source types. * * Inputs are general source inputs (such as capture sources, device sources, * etc). */ EXPORT bool obs_enum_input_types(size_t idx, const char **id); /** * Enumerates all available filter source types. * * Filters are sources that are used to modify the video/audio output of * other sources. */ EXPORT bool obs_enum_filter_types(size_t idx, const char **id); /** * Enumerates all available transition source types. * * Transitions are sources used to transition between two or more other * sources. */ EXPORT bool obs_enum_transition_types(size_t idx, const char **id); /** Enumerates all available output types. */ EXPORT bool obs_enum_output_types(size_t idx, const char **id); /** Enumerates all available encoder types. */ EXPORT bool obs_enum_encoder_types(size_t idx, const char **id); /** Enumerates all available service types. */ EXPORT bool obs_enum_service_types(size_t idx, const char **id); /** Helper function for entering the OBS graphics context */ EXPORT void obs_enter_graphics(void); /** Helper function for leaving the OBS graphics context */ EXPORT void obs_leave_graphics(void); /** Gets the main audio output handler for this OBS context */ EXPORT audio_t *obs_get_audio(void); /** Gets the main video output handler for this OBS context */ EXPORT video_t *obs_get_video(void); /** Sets the primary output source for a channel. */ EXPORT void obs_set_output_source(uint32_t channel, obs_source_t *source); /** * Gets the primary output source for a channel and increments the reference * counter for that source. Use obs_source_release to release. */ EXPORT obs_source_t *obs_get_output_source(uint32_t channel); /** * Enumerates all input sources * * Callback function returns true to continue enumeration, or false to end * enumeration. * * Use obs_source_get_ref or obs_source_get_weak_source if you want to retain * a reference after obs_enum_sources finishes */ EXPORT void obs_enum_sources(bool (*enum_proc)(void*, obs_source_t*), void *param); /** Enumerates outputs */ EXPORT void obs_enum_outputs(bool (*enum_proc)(void*, obs_output_t*), void *param); /** Enumerates encoders */ EXPORT void obs_enum_encoders(bool (*enum_proc)(void*, obs_encoder_t*), void *param); /** Enumerates encoders */ EXPORT void obs_enum_services(bool (*enum_proc)(void*, obs_service_t*), void *param); /** * Gets a source by its name. * * Increments the source reference counter, use obs_source_release to * release it when complete. */ EXPORT obs_source_t *obs_get_source_by_name(const char *name); /** Gets an output by its name. */ EXPORT obs_output_t *obs_get_output_by_name(const char *name); /** Gets an encoder by its name. */ EXPORT obs_encoder_t *obs_get_encoder_by_name(const char *name); /** Gets an service by its name. */ EXPORT obs_service_t *obs_get_service_by_name(const char *name); enum obs_base_effect { OBS_EFFECT_DEFAULT, /**< RGB/YUV */ OBS_EFFECT_DEFAULT_RECT, /**< RGB/YUV (using texture_rect) */ OBS_EFFECT_OPAQUE, /**< RGB/YUV (alpha set to 1.0) */ OBS_EFFECT_SOLID, /**< RGB/YUV (solid color only) */ OBS_EFFECT_BICUBIC, /**< Bicubic downscale */ OBS_EFFECT_LANCZOS, /**< Lanczos downscale */ OBS_EFFECT_BILINEAR_LOWRES, /**< Bilinear low resolution downscale */ OBS_EFFECT_PREMULTIPLIED_ALPHA,/**< Premultiplied alpha */ }; /** Returns a commonly used base effect */ EXPORT gs_effect_t *obs_get_base_effect(enum obs_base_effect effect); /* DEPRECATED: gets texture_rect default effect */ DEPRECATED EXPORT gs_effect_t *obs_get_default_rect_effect(void); /** Returns the primary obs signal handler */ EXPORT signal_handler_t *obs_get_signal_handler(void); /** Returns the primary obs procedure handler */ EXPORT proc_handler_t *obs_get_proc_handler(void); /** Renders the main view */ EXPORT void obs_render_main_view(void); /** Sets the master user volume */ EXPORT void obs_set_master_volume(float volume); /** Gets the master user volume */ EXPORT float obs_get_master_volume(void); /** Saves a source to settings data */ EXPORT obs_data_t *obs_save_source(obs_source_t *source); /** Loads a source from settings data */ EXPORT obs_source_t *obs_load_source(obs_data_t *data); typedef void (*obs_load_source_cb)(void *private_data, obs_source_t *source); /** Loads sources from a data array */ EXPORT void obs_load_sources(obs_data_array_t *array, obs_load_source_cb cb, void *private_data); /** Saves sources to a data array */ EXPORT obs_data_array_t *obs_save_sources(void); typedef bool (*obs_save_source_filter_cb)(void *data, obs_source_t *source); EXPORT obs_data_array_t *obs_save_sources_filtered(obs_save_source_filter_cb cb, void *data); enum obs_obj_type { OBS_OBJ_TYPE_INVALID, OBS_OBJ_TYPE_SOURCE, OBS_OBJ_TYPE_OUTPUT, OBS_OBJ_TYPE_ENCODER, OBS_OBJ_TYPE_SERVICE }; EXPORT enum obs_obj_type obs_obj_get_type(void *obj); EXPORT const char *obs_obj_get_id(void *obj); EXPORT bool obs_obj_invalid(void *obj); /* ------------------------------------------------------------------------- */ /* View context */ /** * Creates a view context. * * A view can be used for things like separate previews, or drawing * sources separately. */ EXPORT obs_view_t *obs_view_create(void); /** Destroys this view context */ EXPORT void obs_view_destroy(obs_view_t *view); /** Sets the source to be used for this view context. */ EXPORT void obs_view_set_source(obs_view_t *view, uint32_t channel, obs_source_t *source); /** Gets the source currently in use for this view context */ EXPORT obs_source_t *obs_view_get_source(obs_view_t *view, uint32_t channel); /** Renders the sources of this view context */ EXPORT void obs_view_render(obs_view_t *view); EXPORT uint64_t obs_get_video_frame_time(void); EXPORT double obs_get_active_fps(void); /* ------------------------------------------------------------------------- */ /* Display context */ /** * Adds a new window display linked to the main render pipeline. This creates * a new swap chain which updates every frame. * * @param graphics_data The swap chain initialization data. * @return The new display context, or NULL if failed. */ EXPORT obs_display_t *obs_display_create( const struct gs_init_data *graphics_data); /** Destroys a display context */ EXPORT void obs_display_destroy(obs_display_t *display); /** Changes the size of this display */ EXPORT void obs_display_resize(obs_display_t *display, uint32_t cx, uint32_t cy); /** * Adds a draw callback for this display context * * @param display The display context. * @param draw The draw callback which is called each time a frame * updates. * @param param The user data to be associated with this draw callback. */ EXPORT void obs_display_add_draw_callback(obs_display_t *display, void (*draw)(void *param, uint32_t cx, uint32_t cy), void *param); /** Removes a draw callback for this display context */ EXPORT void obs_display_remove_draw_callback(obs_display_t *display, void (*draw)(void *param, uint32_t cx, uint32_t cy), void *param); EXPORT void obs_display_set_enabled(obs_display_t *display, bool enable); EXPORT bool obs_display_enabled(obs_display_t *display); EXPORT void obs_display_set_background_color(obs_display_t *display, uint32_t color); /* ------------------------------------------------------------------------- */ /* Sources */ /** Returns the translated display name of a source */ EXPORT const char *obs_source_get_display_name(const char *id); /** * Creates a source of the specified type with the specified settings. * * The "source" context is used for anything related to presenting * or modifying video/audio. Use obs_source_release to release it. */ EXPORT obs_source_t *obs_source_create(const char *id, const char *name, obs_data_t *settings, obs_data_t *hotkey_data); EXPORT obs_source_t *obs_source_create_private(const char *id, const char *name, obs_data_t *settings); /* if source has OBS_SOURCE_DO_NOT_DUPLICATE output flag set, only returns a * reference */ EXPORT obs_source_t *obs_source_duplicate(obs_source_t *source, const char *desired_name, bool create_private); /** * Adds/releases a reference to a source. When the last reference is * released, the source is destroyed. */ EXPORT void obs_source_addref(obs_source_t *source); EXPORT void obs_source_release(obs_source_t *source); EXPORT void obs_weak_source_addref(obs_weak_source_t *weak); EXPORT void obs_weak_source_release(obs_weak_source_t *weak); EXPORT obs_source_t *obs_source_get_ref(obs_source_t *source); EXPORT obs_weak_source_t *obs_source_get_weak_source(obs_source_t *source); EXPORT obs_source_t *obs_weak_source_get_source(obs_weak_source_t *weak); EXPORT bool obs_weak_source_references_source(obs_weak_source_t *weak, obs_source_t *source); /** Notifies all references that the source should be released */ EXPORT void obs_source_remove(obs_source_t *source); /** Returns true if the source should be released */ EXPORT bool obs_source_removed(const obs_source_t *source); /** Returns capability flags of a source */ EXPORT uint32_t obs_source_get_output_flags(const obs_source_t *source); /** Returns capability flags of a source type */ EXPORT uint32_t obs_get_source_output_flags(const char *id); /** Gets the default settings for a source type */ EXPORT obs_data_t *obs_get_source_defaults(const char *id); /** Returns the property list, if any. Free with obs_properties_destroy */ EXPORT obs_properties_t *obs_get_source_properties(const char *id); /** Returns whether the source has custom properties or not */ EXPORT bool obs_is_source_configurable(const char *id); EXPORT bool obs_source_configurable(const obs_source_t *source); /** * Returns the properties list for a specific existing source. Free with * obs_properties_destroy */ EXPORT obs_properties_t *obs_source_properties(const obs_source_t *source); /** Updates settings for this source */ EXPORT void obs_source_update(obs_source_t *source, obs_data_t *settings); /** Renders a video source. */ EXPORT void obs_source_video_render(obs_source_t *source); /** Gets the width of a source (if it has video) */ EXPORT uint32_t obs_source_get_width(obs_source_t *source); /** Gets the height of a source (if it has video) */ EXPORT uint32_t obs_source_get_height(obs_source_t *source); /** * If the source is a filter, returns the parent source of the filter. Only * guaranteed to be valid inside of the video_render, filter_audio, * filter_video, and filter_remove callbacks. */ EXPORT obs_source_t *obs_filter_get_parent(const obs_source_t *filter); /** * If the source is a filter, returns the target source of the filter. Only * guaranteed to be valid inside of the video_render, filter_audio, * filter_video, and filter_remove callbacks. */ EXPORT obs_source_t *obs_filter_get_target(const obs_source_t *filter); /** Adds a filter to the source (which is used whenever the source is used) */ EXPORT void obs_source_filter_add(obs_source_t *source, obs_source_t *filter); /** Removes a filter from the source */ EXPORT void obs_source_filter_remove(obs_source_t *source, obs_source_t *filter); /** Modifies the order of a specific filter */ EXPORT void obs_source_filter_set_order(obs_source_t *source, obs_source_t *filter, enum obs_order_movement movement); /** Gets the settings string for a source */ EXPORT obs_data_t *obs_source_get_settings(const obs_source_t *source); /** Gets the name of a source */ EXPORT const char *obs_source_get_name(const obs_source_t *source); /** Sets the name of a source */ EXPORT void obs_source_set_name(obs_source_t *source, const char *name); /** Gets the source type */ EXPORT enum obs_source_type obs_source_get_type(const obs_source_t *source); /** Gets the source identifier */ EXPORT const char *obs_source_get_id(const obs_source_t *source); /** Returns the signal handler for a source */ EXPORT signal_handler_t *obs_source_get_signal_handler( const obs_source_t *source); /** Returns the procedure handler for a source */ EXPORT proc_handler_t *obs_source_get_proc_handler(const obs_source_t *source); /** Sets the user volume for a source that has audio output */ EXPORT void obs_source_set_volume(obs_source_t *source, float volume); /** Gets the user volume for a source that has audio output */ EXPORT float obs_source_get_volume(const obs_source_t *source); /** Sets the audio sync offset (in nanoseconds) for a source */ EXPORT void obs_source_set_sync_offset(obs_source_t *source, int64_t offset); /** Gets the audio sync offset (in nanoseconds) for a source */ EXPORT int64_t obs_source_get_sync_offset(const obs_source_t *source); /** Enumerates active child sources used by this source */ EXPORT void obs_source_enum_active_sources(obs_source_t *source, obs_source_enum_proc_t enum_callback, void *param); /** Enumerates the entire active child source tree used by this source */ EXPORT void obs_source_enum_active_tree(obs_source_t *source, obs_source_enum_proc_t enum_callback, void *param); /** Returns true if active, false if not */ EXPORT bool obs_source_active(const obs_source_t *source); /** * Returns true if currently displayed somewhere (active or not), false if not */ EXPORT bool obs_source_showing(const obs_source_t *source); /** Specifies that async video frames should be played as soon as possible */ #define OBS_SOURCE_FLAG_UNBUFFERED (1<<0) /** Specifies to force audio to mono */ #define OBS_SOURCE_FLAG_FORCE_MONO (1<<1) /** * Sets source flags. Note that these are different from the main output * flags. These are generally things that can be set by the source or user, * while the output flags are more used to determine capabilities of a source. */ EXPORT void obs_source_set_flags(obs_source_t *source, uint32_t flags); /** Gets source flags. */ EXPORT uint32_t obs_source_get_flags(const obs_source_t *source); /** * Sets audio mixer flags. These flags are used to specify which mixers * the source's audio should be applied to. */ EXPORT void obs_source_set_audio_mixers(obs_source_t *source, uint32_t mixers); /** Gets audio mixer flags */ EXPORT uint32_t obs_source_get_audio_mixers(const obs_source_t *source); /** * Increments the 'showing' reference counter to indicate that the source is * being shown somewhere. If the reference counter was 0, will call the 'show' * callback. */ EXPORT void obs_source_inc_showing(obs_source_t *source); /** * Decrements the 'showing' reference counter to indicate that the source is * no longer being shown somewhere. If the reference counter is set to 0, * will call the 'hide' callback */ EXPORT void obs_source_dec_showing(obs_source_t *source); /** Enumerates filters assigned to the source */ EXPORT void obs_source_enum_filters(obs_source_t *source, obs_source_enum_proc_t callback, void *param); /** Gets a filter of a source by its display name. */ EXPORT obs_source_t *obs_source_get_filter_by_name(obs_source_t *source, const char *name); EXPORT bool obs_source_enabled(const obs_source_t *source); EXPORT void obs_source_set_enabled(obs_source_t *source, bool enabled); EXPORT bool obs_source_muted(const obs_source_t *source); EXPORT void obs_source_set_muted(obs_source_t *source, bool muted); EXPORT bool obs_source_push_to_mute_enabled(obs_source_t *source); EXPORT void obs_source_enable_push_to_mute(obs_source_t *source, bool enabled); EXPORT uint64_t obs_source_get_push_to_mute_delay(obs_source_t *source); EXPORT void obs_source_set_push_to_mute_delay(obs_source_t *source, uint64_t delay); EXPORT bool obs_source_push_to_talk_enabled(obs_source_t *source); EXPORT void obs_source_enable_push_to_talk(obs_source_t *source, bool enabled); EXPORT uint64_t obs_source_get_push_to_talk_delay(obs_source_t *source); EXPORT void obs_source_set_push_to_talk_delay(obs_source_t *source, uint64_t delay); typedef void (*obs_source_audio_capture_t)(void *param, obs_source_t *source, const struct audio_data *audio_data, bool muted); EXPORT void obs_source_add_audio_capture_callback(obs_source_t *source, obs_source_audio_capture_t callback, void *param); EXPORT void obs_source_remove_audio_capture_callback(obs_source_t *source, obs_source_audio_capture_t callback, void *param); enum obs_deinterlace_mode { OBS_DEINTERLACE_MODE_DISABLE, OBS_DEINTERLACE_MODE_DISCARD, OBS_DEINTERLACE_MODE_RETRO, OBS_DEINTERLACE_MODE_BLEND, OBS_DEINTERLACE_MODE_BLEND_2X, OBS_DEINTERLACE_MODE_LINEAR, OBS_DEINTERLACE_MODE_LINEAR_2X, OBS_DEINTERLACE_MODE_YADIF, OBS_DEINTERLACE_MODE_YADIF_2X }; enum obs_deinterlace_field_order { OBS_DEINTERLACE_FIELD_ORDER_TOP, OBS_DEINTERLACE_FIELD_ORDER_BOTTOM }; EXPORT void obs_source_set_deinterlace_mode(obs_source_t *source, enum obs_deinterlace_mode mode); EXPORT enum obs_deinterlace_mode obs_source_get_deinterlace_mode( const obs_source_t *source); EXPORT void obs_source_set_deinterlace_field_order(obs_source_t *source, enum obs_deinterlace_field_order field_order); EXPORT enum obs_deinterlace_field_order obs_source_get_deinterlace_field_order( const obs_source_t *source); /* ------------------------------------------------------------------------- */ /* Functions used by sources */ EXPORT void *obs_source_get_type_data(obs_source_t *source); /** * Helper function to set the color matrix information when drawing the source. * * @param color_matrix The color matrix. Assigns to the 'color_matrix' * effect variable. * @param color_range_min The minimum color range. Assigns to the * 'color_range_min' effect variable. If NULL, * {0.0f, 0.0f, 0.0f} is used. * @param color_range_max The maximum color range. Assigns to the * 'color_range_max' effect variable. If NULL, * {1.0f, 1.0f, 1.0f} is used. */ EXPORT void obs_source_draw_set_color_matrix( const struct matrix4 *color_matrix, const struct vec3 *color_range_min, const struct vec3 *color_range_max); /** * Helper function to draw sprites for a source (synchronous video). * * @param image The sprite texture to draw. Assigns to the 'image' variable * of the current effect. * @param x X position of the sprite. * @param y Y position of the sprite. * @param cx Width of the sprite. If 0, uses the texture width. * @param cy Height of the sprite. If 0, uses the texture height. * @param flip Specifies whether to flip the image vertically. */ EXPORT void obs_source_draw(gs_texture_t *image, int x, int y, uint32_t cx, uint32_t cy, bool flip); /** Outputs asynchronous video data. Set to NULL to deactivate the texture */ EXPORT void obs_source_output_video(obs_source_t *source, const struct obs_source_frame *frame); /** Outputs audio data (always asynchronous) */ EXPORT void obs_source_output_audio(obs_source_t *source, const struct obs_source_audio *audio); /** Signal an update to any currently used properties via 'update_properties' */ EXPORT void obs_source_update_properties(obs_source_t *source); /** Gets the current async video frame */ EXPORT struct obs_source_frame *obs_source_get_frame(obs_source_t *source); /** Releases the current async video frame */ EXPORT void obs_source_release_frame(obs_source_t *source, struct obs_source_frame *frame); /** * Default RGB filter handler for generic effect filters. Processes the * filter chain and renders them to texture if needed, then the filter is * drawn with * * After calling this, set your parameters for the effect, then call * obs_source_process_filter_end to draw the filter. * * Returns true if filtering should continue, false if the filter is bypassed * for whatever reason. */ EXPORT bool obs_source_process_filter_begin(obs_source_t *filter, enum gs_color_format format, enum obs_allow_direct_render allow_direct); /** * Draws the filter. * * Before calling this function, first call obs_source_process_filter_begin and * then set the effect parameters, and then call this function to finalize the * filter. */ EXPORT void obs_source_process_filter_end(obs_source_t *filter, gs_effect_t *effect, uint32_t width, uint32_t height); /** * Draws the filter with a specific technique. * * Before calling this function, first call obs_source_process_filter_begin and * then set the effect parameters, and then call this function to finalize the * filter. */ EXPORT void obs_source_process_filter_tech_end(obs_source_t *filter, gs_effect_t *effect, uint32_t width, uint32_t height, const char *tech_name); /** Skips the filter if the filter is invalid and cannot be rendered */ EXPORT void obs_source_skip_video_filter(obs_source_t *filter); /** * Adds an active child source. Must be called by parent sources on child * sources when the child is added and active. This ensures that the source is * properly activated if the parent is active. * * @returns true if source can be added, false if it causes recursion */ EXPORT bool obs_source_add_active_child(obs_source_t *parent, obs_source_t *child); /** * Removes an active child source. Must be called by parent sources on child * sources when the child is removed or inactive. This ensures that the source * is properly deactivated if the parent is no longer active. */ EXPORT void obs_source_remove_active_child(obs_source_t *parent, obs_source_t *child); /** Sends a mouse down/up event to a source */ EXPORT void obs_source_send_mouse_click(obs_source_t *source, const struct obs_mouse_event *event, int32_t type, bool mouse_up, uint32_t click_count); /** Sends a mouse move event to a source. */ EXPORT void obs_source_send_mouse_move(obs_source_t *source, const struct obs_mouse_event *event, bool mouse_leave); /** Sends a mouse wheel event to a source */ EXPORT void obs_source_send_mouse_wheel(obs_source_t *source, const struct obs_mouse_event *event, int x_delta, int y_delta); /** Sends a got-focus or lost-focus event to a source */ EXPORT void obs_source_send_focus(obs_source_t *source, bool focus); /** Sends a key up/down event to a source */ EXPORT void obs_source_send_key_click(obs_source_t *source, const struct obs_key_event *event, bool key_up); /** Sets the default source flags. */ EXPORT void obs_source_set_default_flags(obs_source_t *source, uint32_t flags); /** Gets the base width for a source (not taking in to account filtering) */ EXPORT uint32_t obs_source_get_base_width(obs_source_t *source); /** Gets the base height for a source (not taking in to account filtering) */ EXPORT uint32_t obs_source_get_base_height(obs_source_t *source); EXPORT bool obs_source_audio_pending(const obs_source_t *source); EXPORT uint64_t obs_source_get_audio_timestamp(const obs_source_t *source); EXPORT void obs_source_get_audio_mix(const obs_source_t *source, struct obs_source_audio_mix *audio); /* ------------------------------------------------------------------------- */ /* Transition-specific functions */ enum obs_transition_target { OBS_TRANSITION_SOURCE_A, OBS_TRANSITION_SOURCE_B }; EXPORT obs_source_t *obs_transition_get_source(obs_source_t *transition, enum obs_transition_target target); EXPORT void obs_transition_clear(obs_source_t *transition); EXPORT obs_source_t *obs_transition_get_active_source(obs_source_t *transition); enum obs_transition_mode { OBS_TRANSITION_MODE_AUTO, }; EXPORT bool obs_transition_start(obs_source_t *transition, enum obs_transition_mode mode, uint32_t duration_ms, obs_source_t *dest); EXPORT void obs_transition_set(obs_source_t *transition, obs_source_t *source); enum obs_transition_scale_type { OBS_TRANSITION_SCALE_MAX_ONLY, OBS_TRANSITION_SCALE_ASPECT, OBS_TRANSITION_SCALE_STRETCH, }; EXPORT void obs_transition_set_scale_type(obs_source_t *transition, enum obs_transition_scale_type type); EXPORT enum obs_transition_scale_type obs_transition_get_scale_type( const obs_source_t *transition); EXPORT void obs_transition_set_alignment(obs_source_t *transition, uint32_t alignment); EXPORT uint32_t obs_transition_get_alignment(const obs_source_t *transition); EXPORT void obs_transition_set_size(obs_source_t *transition, uint32_t cx, uint32_t cy); EXPORT void obs_transition_get_size(const obs_source_t *transition, uint32_t *cx, uint32_t *cy); /* function used by transitions */ /** * Enables fixed transitions (videos or specific types of transitions that * are of fixed duration and linearly interpolated */ EXPORT void obs_transition_enable_fixed(obs_source_t *transition, bool enable, uint32_t duration_ms); EXPORT bool obs_transition_fixed(obs_source_t *transition); typedef void (*obs_transition_video_render_callback_t)(void *data, gs_texture_t *a, gs_texture_t *b, float t, uint32_t cx, uint32_t cy); typedef float (*obs_transition_audio_mix_callback_t)(void *data, float t); EXPORT void obs_transition_video_render(obs_source_t *transition, obs_transition_video_render_callback_t callback); EXPORT bool obs_transition_audio_render(obs_source_t *transition, uint64_t *ts_out, struct obs_source_audio_mix *audio, uint32_t mixers, size_t channels, size_t sample_rate, obs_transition_audio_mix_callback_t mix_a_callback, obs_transition_audio_mix_callback_t mix_b_callback); /* swaps transition sources and textures as an optimization and to reduce * memory usage when switching between transitions */ EXPORT void obs_transition_swap_begin(obs_source_t *tr_dest, obs_source_t *tr_source); EXPORT void obs_transition_swap_end(obs_source_t *tr_dest, obs_source_t *tr_source); /* ------------------------------------------------------------------------- */ /* Scenes */ /** * Creates a scene. * * A scene is a source which is a container of other sources with specific * display oriantations. Scenes can also be used like any other source. */ EXPORT obs_scene_t *obs_scene_create(const char *name); EXPORT obs_scene_t *obs_scene_create_private(const char *name); enum obs_scene_duplicate_type { OBS_SCENE_DUP_REFS, /**< Source refs only */ OBS_SCENE_DUP_COPY, /**< Fully duplicate */ OBS_SCENE_DUP_PRIVATE_REFS, /**< Source refs only (as private) */ OBS_SCENE_DUP_PRIVATE_COPY /**< Fully duplicate (as private) */ }; /** * Duplicates a scene. */ EXPORT obs_scene_t *obs_scene_duplicate(obs_scene_t *scene, const char *name, enum obs_scene_duplicate_type type); EXPORT void obs_scene_addref(obs_scene_t *scene); EXPORT void obs_scene_release(obs_scene_t *scene); /** Gets the scene's source context */ EXPORT obs_source_t *obs_scene_get_source(const obs_scene_t *scene); /** Gets the scene from its source, or NULL if not a scene */ EXPORT obs_scene_t *obs_scene_from_source(const obs_source_t *source); /** Determines whether a source is within a scene */ EXPORT obs_sceneitem_t *obs_scene_find_source(obs_scene_t *scene, const char *name); /** Enumerates sources within a scene */ EXPORT void obs_scene_enum_items(obs_scene_t *scene, bool (*callback)(obs_scene_t*, obs_sceneitem_t*, void*), void *param); EXPORT bool obs_scene_reorder_items(obs_scene_t *scene, obs_sceneitem_t * const *item_order, size_t item_order_size); /** Adds/creates a new scene item for a source */ EXPORT obs_sceneitem_t *obs_scene_add(obs_scene_t *scene, obs_source_t *source); typedef void (*obs_scene_atomic_update_func)(void *, obs_scene_t *scene); EXPORT void obs_scene_atomic_update(obs_scene_t *scene, obs_scene_atomic_update_func func, void *data); EXPORT void obs_sceneitem_addref(obs_sceneitem_t *item); EXPORT void obs_sceneitem_release(obs_sceneitem_t *item); /** Removes a scene item. */ EXPORT void obs_sceneitem_remove(obs_sceneitem_t *item); /** Gets the scene parent associated with the scene item. */ EXPORT obs_scene_t *obs_sceneitem_get_scene(const obs_sceneitem_t *item); /** Gets the source of a scene item. */ EXPORT obs_source_t *obs_sceneitem_get_source(const obs_sceneitem_t *item); EXPORT void obs_sceneitem_select(obs_sceneitem_t *item, bool select); EXPORT bool obs_sceneitem_selected(const obs_sceneitem_t *item); /* Functions for gettings/setting specific orientation of a scene item */ EXPORT void obs_sceneitem_set_pos(obs_sceneitem_t *item, const struct vec2 *pos); EXPORT void obs_sceneitem_set_rot(obs_sceneitem_t *item, float rot_deg); EXPORT void obs_sceneitem_set_scale(obs_sceneitem_t *item, const struct vec2 *scale); EXPORT void obs_sceneitem_set_alignment(obs_sceneitem_t *item, uint32_t alignment); EXPORT void obs_sceneitem_set_order(obs_sceneitem_t *item, enum obs_order_movement movement); EXPORT void obs_sceneitem_set_order_position(obs_sceneitem_t *item, int position); EXPORT void obs_sceneitem_set_bounds_type(obs_sceneitem_t *item, enum obs_bounds_type type); EXPORT void obs_sceneitem_set_bounds_alignment(obs_sceneitem_t *item, uint32_t alignment); EXPORT void obs_sceneitem_set_bounds(obs_sceneitem_t *item, const struct vec2 *bounds); EXPORT void obs_sceneitem_get_pos(const obs_sceneitem_t *item, struct vec2 *pos); EXPORT float obs_sceneitem_get_rot(const obs_sceneitem_t *item); EXPORT void obs_sceneitem_get_scale(const obs_sceneitem_t *item, struct vec2 *scale); EXPORT uint32_t obs_sceneitem_get_alignment(const obs_sceneitem_t *item); EXPORT enum obs_bounds_type obs_sceneitem_get_bounds_type( const obs_sceneitem_t *item); EXPORT uint32_t obs_sceneitem_get_bounds_alignment(const obs_sceneitem_t *item); EXPORT void obs_sceneitem_get_bounds(const obs_sceneitem_t *item, struct vec2 *bounds); EXPORT void obs_sceneitem_get_info(const obs_sceneitem_t *item, struct obs_transform_info *info); EXPORT void obs_sceneitem_set_info(obs_sceneitem_t *item, const struct obs_transform_info *info); EXPORT void obs_sceneitem_get_draw_transform(const obs_sceneitem_t *item, struct matrix4 *transform); EXPORT void obs_sceneitem_get_box_transform(const obs_sceneitem_t *item, struct matrix4 *transform); EXPORT bool obs_sceneitem_visible(const obs_sceneitem_t *item); EXPORT bool obs_sceneitem_set_visible(obs_sceneitem_t *item, bool visible); struct obs_sceneitem_crop { int left; int top; int right; int bottom; }; EXPORT void obs_sceneitem_set_crop(obs_sceneitem_t *item, const struct obs_sceneitem_crop *crop); EXPORT void obs_sceneitem_get_crop(const obs_sceneitem_t *item, struct obs_sceneitem_crop *crop); EXPORT void obs_sceneitem_set_scale_filter(obs_sceneitem_t *item, enum obs_scale_type filter); EXPORT enum obs_scale_type obs_sceneitem_get_scale_filter( obs_sceneitem_t *item); EXPORT void obs_sceneitem_defer_update_begin(obs_sceneitem_t *item); EXPORT void obs_sceneitem_defer_update_end(obs_sceneitem_t *item); /* ------------------------------------------------------------------------- */ /* Outputs */ EXPORT const char *obs_output_get_display_name(const char *id); /** * Creates an output. * * Outputs allow outputting to file, outputting to network, outputting to * directshow, or other custom outputs. */ EXPORT obs_output_t *obs_output_create(const char *id, const char *name, obs_data_t *settings, obs_data_t *hotkey_data); /** * Adds/releases a reference to an output. When the last reference is * released, the output is destroyed. */ EXPORT void obs_output_addref(obs_output_t *output); EXPORT void obs_output_release(obs_output_t *output); EXPORT void obs_weak_output_addref(obs_weak_output_t *weak); EXPORT void obs_weak_output_release(obs_weak_output_t *weak); EXPORT obs_output_t *obs_output_get_ref(obs_output_t *output); EXPORT obs_weak_output_t *obs_output_get_weak_output(obs_output_t *output); EXPORT obs_output_t *obs_weak_output_get_output(obs_weak_output_t *weak); EXPORT bool obs_weak_output_references_output(obs_weak_output_t *weak, obs_output_t *output); EXPORT const char *obs_output_get_name(const obs_output_t *output); /** Starts the output. */ EXPORT bool obs_output_start(obs_output_t *output); /** Stops the output. */ EXPORT void obs_output_stop(obs_output_t *output); /** * On reconnection, start where it left of on reconnection. Note however that * this option will consume extra memory to continually increase delay while * waiting to reconnect. */ #define OBS_OUTPUT_DELAY_PRESERVE (1<<0) /** * Sets the current output delay, in seconds (if the output supports delay). * * If delay is currently active, it will set the delay value, but will not * affect the current delay, it will only affect the next time the output is * activated. */ EXPORT void obs_output_set_delay(obs_output_t *output, uint32_t delay_sec, uint32_t flags); /** Gets the currently set delay value, in seconds. */ EXPORT uint32_t obs_output_get_delay(const obs_output_t *output); /** If delay is active, gets the currently active delay value, in seconds. */ EXPORT uint32_t obs_output_get_active_delay(const obs_output_t *output); /** Forces the output to stop. Usually only used with delay. */ EXPORT void obs_output_force_stop(obs_output_t *output); /** Returns whether the output is active */ EXPORT bool obs_output_active(const obs_output_t *output); /** Gets the default settings for an output type */ EXPORT obs_data_t *obs_output_defaults(const char *id); /** Returns the property list, if any. Free with obs_properties_destroy */ EXPORT obs_properties_t *obs_get_output_properties(const char *id); /** * Returns the property list of an existing output, if any. Free with * obs_properties_destroy */ EXPORT obs_properties_t *obs_output_properties(const obs_output_t *output); /** Updates the settings for this output context */ EXPORT void obs_output_update(obs_output_t *output, obs_data_t *settings); /** Specifies whether the output can be paused */ EXPORT bool obs_output_can_pause(const obs_output_t *output); /** Pauses the output (if the functionality is allowed by the output */ EXPORT void obs_output_pause(obs_output_t *output); /* Gets the current output settings string */ EXPORT obs_data_t *obs_output_get_settings(const obs_output_t *output); /** Returns the signal handler for an output */ EXPORT signal_handler_t *obs_output_get_signal_handler( const obs_output_t *output); /** Returns the procedure handler for an output */ EXPORT proc_handler_t *obs_output_get_proc_handler(const obs_output_t *output); /** * Sets the current video media context associated with this output, * required for non-encoded outputs */ EXPORT void obs_output_set_video(obs_output_t *output, video_t *video); /** * Sets the current audio/video media contexts associated with this output, * required for non-encoded outputs. Can be null. */ EXPORT void obs_output_set_media(obs_output_t *output, video_t *video, audio_t *audio); /** Returns the video media context associated with this output */ EXPORT video_t *obs_output_video(const obs_output_t *output); /** Returns the audio media context associated with this output */ EXPORT audio_t *obs_output_audio(const obs_output_t *output); /** Sets the current audio mixer for non-encoded outputs */ EXPORT void obs_output_set_mixer(obs_output_t *output, size_t mixer_idx); /** Gets the current audio mixer for non-encoded outputs */ EXPORT size_t obs_output_get_mixer(const obs_output_t *output); /** * Sets the current video encoder associated with this output, * required for encoded outputs */ EXPORT void obs_output_set_video_encoder(obs_output_t *output, obs_encoder_t *encoder); /** * Sets the current audio encoder associated with this output, * required for encoded outputs. * * The idx parameter specifies the audio encoder index to set the encoder to. * Only used with outputs that have multiple audio outputs (RTMP typically), * otherwise the parameter is ignored. */ EXPORT void obs_output_set_audio_encoder(obs_output_t *output, obs_encoder_t *encoder, size_t idx); /** Returns the current video encoder associated with this output */ EXPORT obs_encoder_t *obs_output_get_video_encoder(const obs_output_t *output); /** * Returns the current audio encoder associated with this output * * The idx parameter specifies the audio encoder index. Only used with * outputs that have multiple audio outputs, otherwise the parameter is * ignored. */ EXPORT obs_encoder_t *obs_output_get_audio_encoder(const obs_output_t *output, size_t idx); /** Sets the current service associated with this output. */ EXPORT void obs_output_set_service(obs_output_t *output, obs_service_t *service); /** Gets the current service associated with this output. */ EXPORT obs_service_t *obs_output_get_service(const obs_output_t *output); /** * Sets the reconnect settings. Set retry_count to 0 to disable reconnecting. */ EXPORT void obs_output_set_reconnect_settings(obs_output_t *output, int retry_count, int retry_sec); EXPORT uint64_t obs_output_get_total_bytes(const obs_output_t *output); EXPORT int obs_output_get_frames_dropped(const obs_output_t *output); EXPORT int obs_output_get_total_frames(const obs_output_t *output); /** * Sets the preferred scaled resolution for this output. Set width and height * to 0 to disable scaling. * * If this output uses an encoder, it will call obs_encoder_set_scaled_size on * the encoder before the stream is started. If the encoder is already active, * then this function will trigger a warning and do nothing. */ EXPORT void obs_output_set_preferred_size(obs_output_t *output, uint32_t width, uint32_t height); /** For video outputs, returns the width of the encoded image */ EXPORT uint32_t obs_output_get_width(const obs_output_t *output); /** For video outputs, returns the height of the encoded image */ EXPORT uint32_t obs_output_get_height(const obs_output_t *output); EXPORT const char *obs_output_get_id(const obs_output_t *output); #if BUILD_CAPTIONS EXPORT void obs_output_output_caption_text1(obs_output_t *output, const char *text); #endif EXPORT float obs_output_get_congestion(obs_output_t *output); /* ------------------------------------------------------------------------- */ /* Functions used by outputs */ EXPORT void *obs_output_get_type_data(obs_output_t *output); /** Optionally sets the video conversion info. Used only for raw output */ EXPORT void obs_output_set_video_conversion(obs_output_t *output, const struct video_scale_info *conversion); /** Optionally sets the audio conversion info. Used only for raw output */ EXPORT void obs_output_set_audio_conversion(obs_output_t *output, const struct audio_convert_info *conversion); /** Returns whether data capture can begin with the specified flags */ EXPORT bool obs_output_can_begin_data_capture(const obs_output_t *output, uint32_t flags); /** Initializes encoders (if any) */ EXPORT bool obs_output_initialize_encoders(obs_output_t *output, uint32_t flags); /** * Begins data capture from media/encoders. * * @param output Output context * @param flags Set this to 0 to use default output flags set in the * obs_output_info structure, otherwise set to a either * OBS_OUTPUT_VIDEO or OBS_OUTPUT_AUDIO to specify whether to * connect audio or video. This is useful for things like * ffmpeg which may or may not always want to use both audio * and video. * @return true if successful, false otherwise. */ EXPORT bool obs_output_begin_data_capture(obs_output_t *output, uint32_t flags); /** Ends data capture from media/encoders */ EXPORT void obs_output_end_data_capture(obs_output_t *output); /** * Signals that the output has stopped itself. * * @param output Output context * @param code Error code (or OBS_OUTPUT_SUCCESS if not an error) */ EXPORT void obs_output_signal_stop(obs_output_t *output, int code); /* ------------------------------------------------------------------------- */ /* Encoders */ EXPORT const char *obs_encoder_get_display_name(const char *id); /** * Creates a video encoder context * * @param id Video encoder ID * @param name Name to assign to this context * @param settings Settings * @return The video encoder context, or NULL if failed or not found. */ EXPORT obs_encoder_t *obs_video_encoder_create(const char *id, const char *name, obs_data_t *settings, obs_data_t *hotkey_data); /** * Creates an audio encoder context * * @param id Audio Encoder ID * @param name Name to assign to this context * @param settings Settings * @param mixer_idx Index of the mixer to use for this audio encoder * @return The video encoder context, or NULL if failed or not found. */ EXPORT obs_encoder_t *obs_audio_encoder_create(const char *id, const char *name, obs_data_t *settings, size_t mixer_idx, obs_data_t *hotkey_data); /** * Adds/releases a reference to an encoder. When the last reference is * released, the encoder is destroyed. */ EXPORT void obs_encoder_addref(obs_encoder_t *encoder); EXPORT void obs_encoder_release(obs_encoder_t *encoder); EXPORT void obs_weak_encoder_addref(obs_weak_encoder_t *weak); EXPORT void obs_weak_encoder_release(obs_weak_encoder_t *weak); EXPORT obs_encoder_t *obs_encoder_get_ref(obs_encoder_t *encoder); EXPORT obs_weak_encoder_t *obs_encoder_get_weak_encoder(obs_encoder_t *encoder); EXPORT obs_encoder_t *obs_weak_encoder_get_encoder(obs_weak_encoder_t *weak); EXPORT bool obs_weak_encoder_references_encoder(obs_weak_encoder_t *weak, obs_encoder_t *encoder); EXPORT void obs_encoder_set_name(obs_encoder_t *encoder, const char *name); EXPORT const char *obs_encoder_get_name(const obs_encoder_t *encoder); /** Returns the codec of an encoder by the id */ EXPORT const char *obs_get_encoder_codec(const char *id); /** Returns the type of an encoder by the id */ EXPORT enum obs_encoder_type obs_get_encoder_type(const char *id); /** Returns the codec of the encoder */ EXPORT const char *obs_encoder_get_codec(const obs_encoder_t *encoder); /** Returns the type of an encoder */ EXPORT enum obs_encoder_type obs_encoder_get_type(const obs_encoder_t *encoder); /** * Sets the scaled resolution for a video encoder. Set width and height to 0 * to disable scaling. If the encoder is active, this function will trigger * a warning, and do nothing. */ EXPORT void obs_encoder_set_scaled_size(obs_encoder_t *encoder, uint32_t width, uint32_t height); /** For video encoders, returns the width of the encoded image */ EXPORT uint32_t obs_encoder_get_width(const obs_encoder_t *encoder); /** For video encoders, returns the height of the encoded image */ EXPORT uint32_t obs_encoder_get_height(const obs_encoder_t *encoder); /** For audio encoders, returns the sample rate of the audio */ EXPORT uint32_t obs_encoder_get_sample_rate(const obs_encoder_t *encoder); /** * Sets the preferred video format for a video encoder. If the encoder can use * the format specified, it will force a conversion to that format if the * obs output format does not match the preferred format. * * If the format is set to VIDEO_FORMAT_NONE, will revert to the default * functionality of converting only when absolutely necessary. */ EXPORT void obs_encoder_set_preferred_video_format(obs_encoder_t *encoder, enum video_format format); EXPORT enum video_format obs_encoder_get_preferred_video_format( const obs_encoder_t *encoder); /** Gets the default settings for an encoder type */ EXPORT obs_data_t *obs_encoder_defaults(const char *id); /** Returns the property list, if any. Free with obs_properties_destroy */ EXPORT obs_properties_t *obs_get_encoder_properties(const char *id); /** * Returns the property list of an existing encoder, if any. Free with * obs_properties_destroy */ EXPORT obs_properties_t *obs_encoder_properties(const obs_encoder_t *encoder); /** * Updates the settings of the encoder context. Usually used for changing * bitrate while active */ EXPORT void obs_encoder_update(obs_encoder_t *encoder, obs_data_t *settings); /** Gets extra data (headers) associated with this context */ EXPORT bool obs_encoder_get_extra_data(const obs_encoder_t *encoder, uint8_t **extra_data, size_t *size); /** Returns the current settings for this encoder */ EXPORT obs_data_t *obs_encoder_get_settings(const obs_encoder_t *encoder); /** Sets the video output context to be used with this encoder */ EXPORT void obs_encoder_set_video(obs_encoder_t *encoder, video_t *video); /** Sets the audio output context to be used with this encoder */ EXPORT void obs_encoder_set_audio(obs_encoder_t *encoder, audio_t *audio); /** * Returns the video output context used with this encoder, or NULL if not * a video context */ EXPORT video_t *obs_encoder_video(const obs_encoder_t *encoder); /** * Returns the audio output context used with this encoder, or NULL if not * a audio context */ EXPORT audio_t *obs_encoder_audio(const obs_encoder_t *encoder); /** Returns true if encoder is active, false otherwise */ EXPORT bool obs_encoder_active(const obs_encoder_t *encoder); EXPORT void *obs_encoder_get_type_data(obs_encoder_t *encoder); EXPORT const char *obs_encoder_get_id(const obs_encoder_t *encoder); EXPORT uint32_t obs_get_encoder_caps(const char *encoder_id); /** Duplicates an encoder packet */ DEPRECATED EXPORT void obs_duplicate_encoder_packet(struct encoder_packet *dst, const struct encoder_packet *src); DEPRECATED EXPORT void obs_free_encoder_packet(struct encoder_packet *packet); EXPORT void obs_encoder_packet_ref(struct encoder_packet *dst, struct encoder_packet *src); EXPORT void obs_encoder_packet_release(struct encoder_packet *packet); /* ------------------------------------------------------------------------- */ /* Stream Services */ EXPORT const char *obs_service_get_display_name(const char *id); EXPORT obs_service_t *obs_service_create(const char *id, const char *name, obs_data_t *settings, obs_data_t *hotkey_data); EXPORT obs_service_t *obs_service_create_private(const char *id, const char *name, obs_data_t *settings); /** * Adds/releases a reference to a service. When the last reference is * released, the service is destroyed. */ EXPORT void obs_service_addref(obs_service_t *service); EXPORT void obs_service_release(obs_service_t *service); EXPORT void obs_weak_service_addref(obs_weak_service_t *weak); EXPORT void obs_weak_service_release(obs_weak_service_t *weak); EXPORT obs_service_t *obs_service_get_ref(obs_service_t *service); EXPORT obs_weak_service_t *obs_service_get_weak_service(obs_service_t *service); EXPORT obs_service_t *obs_weak_service_get_service(obs_weak_service_t *weak); EXPORT bool obs_weak_service_references_service(obs_weak_service_t *weak, obs_service_t *service); EXPORT const char *obs_service_get_name(const obs_service_t *service); /** Gets the default settings for a service */ EXPORT obs_data_t *obs_service_defaults(const char *id); /** Returns the property list, if any. Free with obs_properties_destroy */ EXPORT obs_properties_t *obs_get_service_properties(const char *id); /** * Returns the property list of an existing service context, if any. Free with * obs_properties_destroy */ EXPORT obs_properties_t *obs_service_properties(const obs_service_t *service); /** Gets the service type */ EXPORT const char *obs_service_get_type(const obs_service_t *service); /** Updates the settings of the service context */ EXPORT void obs_service_update(obs_service_t *service, obs_data_t *settings); /** Returns the current settings for this service */ EXPORT obs_data_t *obs_service_get_settings(const obs_service_t *service); /** Returns the URL for this service context */ EXPORT const char *obs_service_get_url(const obs_service_t *service); /** Returns the stream key (if any) for this service context */ EXPORT const char *obs_service_get_key(const obs_service_t *service); /** Returns the username (if any) for this service context */ EXPORT const char *obs_service_get_username(const obs_service_t *service); /** Returns the password (if any) for this service context */ EXPORT const char *obs_service_get_password(const obs_service_t *service); /** * Applies service-specific video encoder settings. * * @param video_encoder_settings Video encoder settings. Optional. * @param audio_encoder_settings Audio encoder settings. Optional. */ EXPORT void obs_service_apply_encoder_settings(obs_service_t *service, obs_data_t *video_encoder_settings, obs_data_t *audio_encoder_settings); EXPORT void *obs_service_get_type_data(obs_service_t *service); EXPORT const char *obs_service_get_id(const obs_service_t *service); /* ------------------------------------------------------------------------- */ /* Source frame allocation functions */ EXPORT void obs_source_frame_init(struct obs_source_frame *frame, enum video_format format, uint32_t width, uint32_t height); static inline void obs_source_frame_free(struct obs_source_frame *frame) { if (frame) { bfree(frame->data[0]); memset(frame, 0, sizeof(*frame)); } } static inline struct obs_source_frame *obs_source_frame_create( enum video_format format, uint32_t width, uint32_t height) { struct obs_source_frame *frame; frame = (struct obs_source_frame*)bzalloc(sizeof(*frame)); obs_source_frame_init(frame, format, width, height); return frame; } static inline void obs_source_frame_destroy(struct obs_source_frame *frame) { if (frame) { bfree(frame->data[0]); bfree(frame); } } #ifdef __cplusplus } #endif