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154e0c59e1
Also, rename atomic functions to be consistent with the rest of the platform/threading functions, and move atomic functions to threading* files rather than platform* files
300 lines
9.6 KiB
C
300 lines
9.6 KiB
C
/******************************************************************************
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Copyright (C) 2013-2014 by Hugh Bailey <obs.jim@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#pragma once
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#include "util/c99defs.h"
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#include "util/darray.h"
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#include "util/dstr.h"
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#include "util/threading.h"
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#include "callback/signal.h"
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#include "callback/proc.h"
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#include "graphics/graphics.h"
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#include "media-io/audio-resampler.h"
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#include "media-io/video-io.h"
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#include "media-io/audio-io.h"
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#include "obs.h"
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#define NUM_TEXTURES 2
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struct draw_callback {
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void (*draw)(void *param, uint32_t cx, uint32_t cy);
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void *param;
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};
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/* ------------------------------------------------------------------------- */
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/* modules */
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struct obs_module {
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char *name;
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void *module;
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};
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extern void free_module(struct obs_module *mod);
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/* ------------------------------------------------------------------------- */
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/* views */
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struct obs_view {
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pthread_mutex_t channels_mutex;
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obs_source_t channels[MAX_CHANNELS];
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};
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extern bool obs_view_init(struct obs_view *view);
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extern void obs_view_free(struct obs_view *view);
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/* ------------------------------------------------------------------------- */
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/* displays */
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struct obs_display {
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bool size_changed;
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uint32_t cx, cy;
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swapchain_t swap;
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pthread_mutex_t draw_callbacks_mutex;
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DARRAY(struct draw_callback) draw_callbacks;
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};
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extern bool obs_display_init(struct obs_display *display,
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struct gs_init_data *graphics_data);
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extern void obs_display_free(struct obs_display *display);
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/* ------------------------------------------------------------------------- */
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/* core */
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struct obs_core_video {
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graphics_t graphics;
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stagesurf_t copy_surfaces[NUM_TEXTURES];
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texture_t render_textures[NUM_TEXTURES];
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texture_t output_textures[NUM_TEXTURES];
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texture_t convert_textures[NUM_TEXTURES];
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bool textures_rendered[NUM_TEXTURES];
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bool textures_output[NUM_TEXTURES];
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bool textures_copied[NUM_TEXTURES];
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bool textures_converted[NUM_TEXTURES];
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struct source_frame convert_frames[NUM_TEXTURES];
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effect_t default_effect;
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effect_t conversion_effect;
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stagesurf_t mapped_surface;
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int cur_texture;
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video_t video;
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pthread_t video_thread;
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bool thread_initialized;
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bool gpu_conversion;
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const char *conversion_tech;
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uint32_t conversion_height;
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uint32_t plane_offsets[3];
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uint32_t plane_sizes[3];
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uint32_t plane_linewidth[3];
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uint32_t output_width;
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uint32_t output_height;
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uint32_t base_width;
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uint32_t base_height;
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struct obs_display main_display;
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};
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struct obs_core_audio {
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/* TODO: sound output subsystem */
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audio_t audio;
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float user_volume;
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float present_volume;
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};
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/* user sources, output channels, and displays */
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struct obs_core_data {
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/* arrays of pointers jim? you should really stop being lazy and use
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* linked lists. */
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DARRAY(struct obs_display*) displays;
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DARRAY(struct obs_source*) sources;
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DARRAY(struct obs_output*) outputs;
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DARRAY(struct obs_encoder*) encoders;
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pthread_mutex_t sources_mutex;
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pthread_mutex_t displays_mutex;
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pthread_mutex_t outputs_mutex;
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pthread_mutex_t encoders_mutex;
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struct obs_view main_view;
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long long unnamed_index;
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volatile bool valid;
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};
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struct obs_core {
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DARRAY(struct obs_module) modules;
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DARRAY(struct obs_source_info) input_types;
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DARRAY(struct obs_source_info) filter_types;
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DARRAY(struct obs_source_info) transition_types;
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DARRAY(struct obs_output_info) output_types;
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DARRAY(struct obs_encoder_info) encoder_types;
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DARRAY(struct obs_service_info) service_types;
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DARRAY(struct obs_modal_ui) modal_ui_callbacks;
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DARRAY(struct obs_modeless_ui) modeless_ui_callbacks;
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signal_handler_t signals;
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proc_handler_t procs;
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/* segmented into multiple sub-structures to keep things a bit more
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* clean and organized */
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struct obs_core_video video;
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struct obs_core_audio audio;
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struct obs_core_data data;
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};
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extern struct obs_core *obs;
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extern void *obs_video_thread(void *param);
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/* ------------------------------------------------------------------------- */
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/* sources */
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struct obs_source {
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volatile long refs;
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struct obs_source_info info;
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/* source-specific data */
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char *name; /* user-defined name */
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obs_data_t settings;
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void *data;
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signal_handler_t signals;
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proc_handler_t procs;
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/* ensures show/hide are only called once */
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volatile long show_refs;
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/* ensures activate/deactivate are only called once */
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volatile long activate_refs;
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/* prevents infinite recursion when enumerating sources */
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volatile long enum_refs;
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/* used to indicate that the source has been removed and all
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* references to it should be released (not exactly how I would prefer
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* to handle things but it's the best option) */
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bool removed;
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/* timing (if video is present, is based upon video) */
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volatile bool timing_set;
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volatile uint64_t timing_adjust;
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volatile long audio_reset_ref;
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uint64_t next_audio_ts_min;
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uint64_t last_frame_ts;
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uint64_t last_sys_timestamp;
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/* audio */
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bool audio_failed;
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struct resample_info sample_info;
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audio_resampler_t resampler;
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audio_line_t audio_line;
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pthread_mutex_t audio_mutex;
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struct filtered_audio audio_data;
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size_t audio_storage_size;
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float user_volume;
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float present_volume;
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int64_t sync_offset;
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/* transition volume is meant to store the sum of transitioning volumes
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* of a source, i.e. if a source is within both the "to" and "from"
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* targets of a transition, it would add both volumes to this variable,
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* and then when the transition frame is complete, is applies the value
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* to the presentation volume. */
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float transition_volume;
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/* async video data */
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texture_t output_texture;
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DARRAY(struct source_frame*) video_frames;
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pthread_mutex_t video_mutex;
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/* filters */
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struct obs_source *filter_parent;
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struct obs_source *filter_target;
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DARRAY(struct obs_source*) filters;
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pthread_mutex_t filter_mutex;
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texrender_t filter_texrender;
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bool rendering_filter;
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};
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bool obs_source_init_handlers(struct obs_source *source);
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extern bool obs_source_init(struct obs_source *source,
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const struct obs_source_info *info);
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enum view_type {
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MAIN_VIEW,
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AUX_VIEW
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};
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extern void obs_source_activate(obs_source_t source, enum view_type type);
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extern void obs_source_deactivate(obs_source_t source, enum view_type type);
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extern void obs_source_video_tick(obs_source_t source, float seconds);
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/* ------------------------------------------------------------------------- */
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/* outputs */
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struct obs_output {
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char *name;
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void *data;
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struct obs_output_info info;
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obs_data_t settings;
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signal_handler_t signals;
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proc_handler_t procs;
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bool valid;
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};
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/* ------------------------------------------------------------------------- */
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/* encoders */
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struct encoder_callback {
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bool sent_first_packet;
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void (*new_packet)(void *param, struct encoder_packet *packet);
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void *param;
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};
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struct obs_encoder {
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char *name;
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void *data;
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struct obs_encoder_info info;
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obs_data_t settings;
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uint32_t timebase_num;
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uint32_t timebase_den;
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int64_t cur_pts;
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void *output;
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pthread_mutex_t callbacks_mutex;
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DARRAY(struct encoder_callback) callbacks;
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};
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