/******************************************************************************
Copyright (C) 2013-2014 by Hugh Bailey <obs.jim@gmail.com>
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 <http://www.gnu.org/licenses/>.
******************************************************************************/
#pragma once
#include "util/c99defs.h"
#include "util/darray.h"
#include "util/circlebuf.h"
#include "util/dstr.h"
#include "util/threading.h"
#include "util/platform.h"
#include "util/profiler.h"
#include "callback/signal.h"
#include "callback/proc.h"
#include "graphics/graphics.h"
#include "graphics/matrix4.h"
#include "media-io/audio-resampler.h"
#include "media-io/video-io.h"
#include "media-io/audio-io.h"
#include "obs.h"
#define NUM_TEXTURES 2
#define MICROSECOND_DEN 1000000
static inline int64_t packet_dts_usec(struct encoder_packet *packet)
{
return packet->dts * MICROSECOND_DEN / packet->timebase_den;
}
struct tick_callback {
void (*tick)(void *param, float seconds);
void *param;
};
struct draw_callback {
void (*draw)(void *param, uint32_t cx, uint32_t cy);
void *param;
};
/* ------------------------------------------------------------------------- */
/* validity checks */
static inline bool obs_object_valid(const void *obj, const char *f,
const char *t)
{
if (!obj) {
blog(LOG_DEBUG, "%s: Null '%s' parameter", f, t);
return false;
}
return true;
}
#define obs_ptr_valid(ptr, func) obs_object_valid(ptr, func, #ptr)
#define obs_source_valid obs_ptr_valid
#define obs_output_valid obs_ptr_valid
#define obs_encoder_valid obs_ptr_valid
#define obs_service_valid obs_ptr_valid
/* ------------------------------------------------------------------------- */
/* modules */
struct obs_module {
char *mod_name;
const char *file;
char *bin_path;
char *data_path;
void *module;
bool loaded;
bool (*load)(void);
void (*unload)(void);
void (*post_load)(void);
void (*set_locale)(const char *locale);
void (*free_locale)(void);
uint32_t (*ver)(void);
void (*set_pointer)(obs_module_t *module);
const char *(*name)(void);
const char *(*description)(void);
const char *(*author)(void);
struct obs_module *next;
};
extern void free_module(struct obs_module *mod);
struct obs_module_path {
char *bin;
char *data;
};
static inline void free_module_path(struct obs_module_path *omp)
{
if (omp) {
bfree(omp->bin);
bfree(omp->data);
}
}
static inline bool check_path(const char *data, const char *path,
struct dstr *output)
{
dstr_copy(output, path);
dstr_cat(output, data);
return os_file_exists(output->array);
}
/* ------------------------------------------------------------------------- */
/* hotkeys */
struct obs_hotkey {
obs_hotkey_id id;
char *name;
char *description;
obs_hotkey_func func;
void *data;
int pressed;
obs_hotkey_registerer_t registerer_type;
void *registerer;
obs_hotkey_id pair_partner_id;
};
struct obs_hotkey_pair {
obs_hotkey_pair_id pair_id;
obs_hotkey_id id[2];
obs_hotkey_active_func func[2];
bool pressed0;
bool pressed1;
void *data[2];
};
typedef struct obs_hotkey_pair obs_hotkey_pair_t;
typedef struct obs_hotkeys_platform obs_hotkeys_platform_t;
void *obs_hotkey_thread(void *param);
struct obs_core_hotkeys;
bool obs_hotkeys_platform_init(struct obs_core_hotkeys *hotkeys);
void obs_hotkeys_platform_free(struct obs_core_hotkeys *hotkeys);
bool obs_hotkeys_platform_is_pressed(obs_hotkeys_platform_t *context,
obs_key_t key);
const char *obs_get_hotkey_translation(obs_key_t key, const char *def);
struct obs_context_data;
void obs_hotkeys_context_release(struct obs_context_data *context);
void obs_hotkeys_free(void);
struct obs_hotkey_binding {
obs_key_combination_t key;
bool pressed;
bool modifiers_match;
obs_hotkey_id hotkey_id;
obs_hotkey_t *hotkey;
};
struct obs_hotkey_name_map;
void obs_hotkey_name_map_free(void);
/* ------------------------------------------------------------------------- */
/* views */
struct obs_view {
pthread_mutex_t channels_mutex;
obs_source_t *channels[MAX_CHANNELS];
};
extern bool obs_view_init(struct obs_view *view);
extern void obs_view_free(struct obs_view *view);
/* ------------------------------------------------------------------------- */
/* displays */
struct obs_display {
bool size_changed;
bool enabled;
uint32_t cx, cy;
uint32_t background_color;
gs_swapchain_t *swap;
pthread_mutex_t draw_callbacks_mutex;
pthread_mutex_t draw_info_mutex;
DARRAY(struct draw_callback) draw_callbacks;
struct obs_display *next;
struct obs_display **prev_next;
};
extern bool obs_display_init(struct obs_display *display,
const struct gs_init_data *graphics_data);
extern void obs_display_free(struct obs_display *display);
/* ------------------------------------------------------------------------- */
/* core */
struct obs_vframe_info {
uint64_t timestamp;
int count;
};
struct obs_core_video {
graphics_t *graphics;
gs_stagesurf_t *copy_surfaces[NUM_TEXTURES];
gs_texture_t *render_textures[NUM_TEXTURES];
gs_texture_t *output_textures[NUM_TEXTURES];
gs_texture_t *convert_textures[NUM_TEXTURES];
bool textures_rendered[NUM_TEXTURES];
bool textures_output[NUM_TEXTURES];
bool textures_copied[NUM_TEXTURES];
bool textures_converted[NUM_TEXTURES];
struct circlebuf vframe_info_buffer;
gs_effect_t *default_effect;
gs_effect_t *default_rect_effect;
gs_effect_t *opaque_effect;
gs_effect_t *solid_effect;
gs_effect_t *conversion_effect;
gs_effect_t *bicubic_effect;
gs_effect_t *lanczos_effect;
gs_effect_t *bilinear_lowres_effect;
gs_effect_t *premultiplied_alpha_effect;
gs_samplerstate_t *point_sampler;
gs_stagesurf_t *mapped_surface;
int cur_texture;
uint64_t video_time;
uint64_t video_avg_frame_time_ns;
double video_fps;
video_t *video;
pthread_t video_thread;
uint32_t total_frames;
uint32_t lagged_frames;
bool thread_initialized;
bool gpu_conversion;
const char *conversion_tech;
uint32_t conversion_height;
uint32_t plane_offsets[3];
uint32_t plane_sizes[3];
uint32_t plane_linewidth[3];
uint32_t output_width;
uint32_t output_height;
uint32_t base_width;
uint32_t base_height;
float color_matrix[16];
enum obs_scale_type scale_type;
gs_texture_t *transparent_texture;
gs_effect_t *deinterlace_discard_effect;
gs_effect_t *deinterlace_discard_2x_effect;
gs_effect_t *deinterlace_linear_effect;
gs_effect_t *deinterlace_linear_2x_effect;
gs_effect_t *deinterlace_blend_effect;
gs_effect_t *deinterlace_blend_2x_effect;
gs_effect_t *deinterlace_yadif_effect;
gs_effect_t *deinterlace_yadif_2x_effect;
struct obs_video_info ovi;
};
struct audio_monitor;
struct obs_core_audio {
audio_t *audio;
DARRAY(struct obs_source*) render_order;
DARRAY(struct obs_source*) root_nodes;
uint64_t buffered_ts;
struct circlebuf buffered_timestamps;
int buffering_wait_ticks;
int total_buffering_ticks;
float user_volume;
pthread_mutex_t monitoring_mutex;
DARRAY(struct audio_monitor*) monitors;
char *monitoring_device_name;
char *monitoring_device_id;
};
/* user sources, output channels, and displays */
struct obs_core_data {
struct obs_source *first_source;
struct obs_source *first_audio_source;
struct obs_display *first_display;
struct obs_output *first_output;
struct obs_encoder *first_encoder;
struct obs_service *first_service;
pthread_mutex_t sources_mutex;
pthread_mutex_t displays_mutex;
pthread_mutex_t outputs_mutex;
pthread_mutex_t encoders_mutex;
pthread_mutex_t services_mutex;
pthread_mutex_t audio_sources_mutex;
pthread_mutex_t draw_callbacks_mutex;
DARRAY(struct draw_callback) draw_callbacks;
DARRAY(struct tick_callback) tick_callbacks;
struct obs_view main_view;
long long unnamed_index;
volatile bool valid;
};
/* user hotkeys */
struct obs_core_hotkeys {
pthread_mutex_t mutex;
DARRAY(obs_hotkey_t) hotkeys;
obs_hotkey_id next_id;
DARRAY(obs_hotkey_pair_t) hotkey_pairs;
obs_hotkey_pair_id next_pair_id;
pthread_t hotkey_thread;
bool hotkey_thread_initialized;
os_event_t *stop_event;
bool thread_disable_press;
bool strict_modifiers;
bool reroute_hotkeys;
DARRAY(obs_hotkey_binding_t) bindings;
obs_hotkey_callback_router_func router_func;
void *router_func_data;
obs_hotkeys_platform_t *platform_context;
pthread_once_t name_map_init_token;
struct obs_hotkey_name_map *name_map;
signal_handler_t *signals;
char *translations[OBS_KEY_LAST_VALUE];
char *mute;
char *unmute;
char *push_to_mute;
char *push_to_talk;
char *sceneitem_show;
char *sceneitem_hide;
};
struct obs_core {
struct obs_module *first_module;
DARRAY(struct obs_module_path) module_paths;
DARRAY(struct obs_source_info) source_types;
DARRAY(struct obs_source_info) input_types;
DARRAY(struct obs_source_info) filter_types;
DARRAY(struct obs_source_info) transition_types;
DARRAY(struct obs_output_info) output_types;
DARRAY(struct obs_encoder_info) encoder_types;
DARRAY(struct obs_service_info) service_types;
DARRAY(struct obs_modal_ui) modal_ui_callbacks;
DARRAY(struct obs_modeless_ui) modeless_ui_callbacks;
signal_handler_t *signals;
proc_handler_t *procs;
char *locale;
char *module_config_path;
bool name_store_owned;
profiler_name_store_t *name_store;
/* segmented into multiple sub-structures to keep things a bit more
* clean and organized */
struct obs_core_video video;
struct obs_core_audio audio;
struct obs_core_data data;
struct obs_core_hotkeys hotkeys;
};
extern struct obs_core *obs;
extern void *obs_graphics_thread(void *param);
extern gs_effect_t *obs_load_effect(gs_effect_t **effect, const char *file);
extern bool audio_callback(void *param,
uint64_t start_ts_in, uint64_t end_ts_in, uint64_t *out_ts,
uint32_t mixers, struct audio_output_data *mixes);
/* ------------------------------------------------------------------------- */
/* obs shared context data */
struct obs_context_data {
char *name;
void *data;
obs_data_t *settings;
signal_handler_t *signals;
proc_handler_t *procs;
enum obs_obj_type type;
DARRAY(obs_hotkey_id) hotkeys;
DARRAY(obs_hotkey_pair_id) hotkey_pairs;
obs_data_t *hotkey_data;
DARRAY(char*) rename_cache;
pthread_mutex_t rename_cache_mutex;
pthread_mutex_t *mutex;
struct obs_context_data *next;
struct obs_context_data **prev_next;
bool private;
};
extern bool obs_context_data_init(
struct obs_context_data *context,
enum obs_obj_type type,
obs_data_t *settings,
const char *name,
obs_data_t *hotkey_data,
bool private);
extern void obs_context_data_free(struct obs_context_data *context);
extern void obs_context_data_insert(struct obs_context_data *context,
pthread_mutex_t *mutex, void *first);
extern void obs_context_data_remove(struct obs_context_data *context);
extern void obs_context_data_setname(struct obs_context_data *context,
const char *name);
/* ------------------------------------------------------------------------- */
/* ref-counting */
struct obs_weak_ref {
volatile long refs;
volatile long weak_refs;
};
static inline void obs_ref_addref(struct obs_weak_ref *ref)
{
os_atomic_inc_long(&ref->refs);
}
static inline bool obs_ref_release(struct obs_weak_ref *ref)
{
return os_atomic_dec_long(&ref->refs) == -1;
}
static inline void obs_weak_ref_addref(struct obs_weak_ref *ref)
{
os_atomic_inc_long(&ref->weak_refs);
}
static inline bool obs_weak_ref_release(struct obs_weak_ref *ref)
{
return os_atomic_dec_long(&ref->weak_refs) == -1;
}
static inline bool obs_weak_ref_get_ref(struct obs_weak_ref *ref)
{
long owners = ref->refs;
while (owners > -1) {
if (os_atomic_compare_swap_long(&ref->refs, owners, owners + 1))
return true;
owners = ref->refs;
}
return false;
}
/* ------------------------------------------------------------------------- */
/* sources */
struct async_frame {
struct obs_source_frame *frame;
long unused_count;
bool used;
};
enum audio_action_type {
AUDIO_ACTION_VOL,
AUDIO_ACTION_MUTE,
AUDIO_ACTION_PTT,
AUDIO_ACTION_PTM,
};
struct audio_action {
uint64_t timestamp;
enum audio_action_type type;
union {
float vol;
bool set;
};
};
struct obs_weak_source {
struct obs_weak_ref ref;
struct obs_source *source;
};
struct audio_cb_info {
obs_source_audio_capture_t callback;
void *param;
};
struct obs_source {
struct obs_context_data context;
struct obs_source_info info;
struct obs_weak_source *control;
/* general exposed flags that can be set for the source */
uint32_t flags;
uint32_t default_flags;
/* indicates ownership of the info.id buffer */
bool owns_info_id;
/* signals to call the source update in the video thread */
bool defer_update;
/* ensures show/hide are only called once */
volatile long show_refs;
/* ensures activate/deactivate are only called once */
volatile long activate_refs;
/* used to indicate that the source has been removed and all
* references to it should be released (not exactly how I would prefer
* to handle things but it's the best option) */
bool removed;
bool active;
bool showing;
/* used to temporarily disable sources if needed */
bool enabled;
/* timing (if video is present, is based upon video) */
volatile bool timing_set;
volatile uint64_t timing_adjust;
uint64_t resample_offset;
uint64_t last_audio_ts;
uint64_t next_audio_ts_min;
uint64_t next_audio_sys_ts_min;
uint64_t last_frame_ts;
uint64_t last_sys_timestamp;
bool async_rendered;
/* audio */
bool audio_failed;
bool audio_pending;
bool pending_stop;
bool user_muted;
bool muted;
struct obs_source *next_audio_source;
struct obs_source **prev_next_audio_source;
uint64_t audio_ts;
struct circlebuf audio_input_buf[MAX_AUDIO_CHANNELS];
size_t last_audio_input_buf_size;
DARRAY(struct audio_action) audio_actions;
float *audio_output_buf[MAX_AUDIO_MIXES][MAX_AUDIO_CHANNELS];
struct resample_info sample_info;
audio_resampler_t *resampler;
pthread_mutex_t audio_actions_mutex;
pthread_mutex_t audio_buf_mutex;
pthread_mutex_t audio_mutex;
pthread_mutex_t audio_cb_mutex;
DARRAY(struct audio_cb_info) audio_cb_list;
struct obs_audio_data audio_data;
size_t audio_storage_size;
uint32_t audio_mixers;
float user_volume;
float volume;
int64_t sync_offset;
int64_t last_sync_offset;
/* async video data */
gs_texture_t *async_texture;
gs_texrender_t *async_texrender;
struct obs_source_frame *cur_async_frame;
bool async_gpu_conversion;
enum video_format async_format;
enum video_format async_cache_format;
enum gs_color_format async_texture_format;
float async_color_matrix[16];
bool async_full_range;
float async_color_range_min[3];
float async_color_range_max[3];
int async_plane_offset[2];
bool async_flip;
bool async_active;
bool async_update_texture;
bool async_unbuffered;
bool async_decoupled;
struct obs_source_frame *async_preload_frame;
DARRAY(struct async_frame) async_cache;
DARRAY(struct obs_source_frame*)async_frames;
pthread_mutex_t async_mutex;
uint32_t async_width;
uint32_t async_height;
uint32_t async_cache_width;
uint32_t async_cache_height;
uint32_t async_convert_width;
uint32_t async_convert_height;
/* async video deinterlacing */
uint64_t deinterlace_offset;
uint64_t deinterlace_frame_ts;
gs_effect_t *deinterlace_effect;
struct obs_source_frame *prev_async_frame;
gs_texture_t *async_prev_texture;
gs_texrender_t *async_prev_texrender;
uint32_t deinterlace_half_duration;
enum obs_deinterlace_mode deinterlace_mode;
bool deinterlace_top_first;
bool deinterlace_rendered;
/* filters */
struct obs_source *filter_parent;
struct obs_source *filter_target;
DARRAY(struct obs_source*) filters;
pthread_mutex_t filter_mutex;
gs_texrender_t *filter_texrender;
enum obs_allow_direct_render allow_direct;
bool rendering_filter;
/* sources specific hotkeys */
obs_hotkey_pair_id mute_unmute_key;
obs_hotkey_id push_to_mute_key;
obs_hotkey_id push_to_talk_key;
bool push_to_mute_enabled;
bool push_to_mute_pressed;
bool user_push_to_mute_pressed;
bool push_to_talk_enabled;
bool push_to_talk_pressed;
bool user_push_to_talk_pressed;
uint64_t push_to_mute_delay;
uint64_t push_to_mute_stop_time;
uint64_t push_to_talk_delay;
uint64_t push_to_talk_stop_time;
/* transitions */
uint64_t transition_start_time;
uint64_t transition_duration;
pthread_mutex_t transition_tex_mutex;
gs_texrender_t *transition_texrender[2];
pthread_mutex_t transition_mutex;
obs_source_t *transition_sources[2];
bool transitioning_video;
bool transitioning_audio;
bool transition_source_active[2];
uint32_t transition_alignment;
uint32_t transition_actual_cx;
uint32_t transition_actual_cy;
uint32_t transition_cx;
uint32_t transition_cy;
uint32_t transition_fixed_duration;
bool transition_use_fixed_duration;
enum obs_transition_mode transition_mode;
enum obs_transition_scale_type transition_scale_type;
struct matrix4 transition_matrices[2];
struct audio_monitor *monitor;
enum obs_monitoring_type monitoring_type;
obs_data_t *private_settings;
};
extern struct obs_source_info *get_source_info(const char *id);
extern bool obs_source_init_context(struct obs_source *source,
obs_data_t *settings, const char *name,
obs_data_t *hotkey_data, bool private);
extern void obs_source_save(obs_source_t *source);
extern void obs_source_load(obs_source_t *source);
extern bool obs_transition_init(obs_source_t *transition);
extern void obs_transition_free(obs_source_t *transition);
extern void obs_transition_tick(obs_source_t *transition);
extern void obs_transition_enum_sources(obs_source_t *transition,
obs_source_enum_proc_t enum_callback, void *param);
extern void obs_transition_save(obs_source_t *source, obs_data_t *data);
extern void obs_transition_load(obs_source_t *source, obs_data_t *data);
struct audio_monitor *audio_monitor_create(obs_source_t *source);
void audio_monitor_reset(struct audio_monitor *monitor);
extern void audio_monitor_destroy(struct audio_monitor *monitor);
extern void obs_source_destroy(struct obs_source *source);
enum view_type {
MAIN_VIEW,
AUX_VIEW
};
static inline void obs_source_dosignal(struct obs_source *source,
const char *signal_obs, const char *signal_source)
{
struct calldata data;
uint8_t stack[128];
calldata_init_fixed(&data, stack, sizeof(stack));
calldata_set_ptr(&data, "source", source);
if (signal_obs && !source->context.private)
signal_handler_signal(obs->signals, signal_obs, &data);
if (signal_source)
signal_handler_signal(source->context.signals, signal_source,
&data);
}
/* maximum timestamp variance in nanoseconds */
#define MAX_TS_VAR 2000000000ULL
static inline bool frame_out_of_bounds(const obs_source_t *source, uint64_t ts)
{
if (ts < source->last_frame_ts)
return ((source->last_frame_ts - ts) > MAX_TS_VAR);
else
return ((ts - source->last_frame_ts) > MAX_TS_VAR);
}
static inline enum gs_color_format convert_video_format(
enum video_format format)
{
if (format == VIDEO_FORMAT_RGBA)
return GS_RGBA;
else if (format == VIDEO_FORMAT_BGRA)
return GS_BGRA;
return GS_BGRX;
}
extern void obs_source_activate(obs_source_t *source, enum view_type type);
extern void obs_source_deactivate(obs_source_t *source, enum view_type type);
extern void obs_source_video_tick(obs_source_t *source, float seconds);
extern float obs_source_get_target_volume(obs_source_t *source,
obs_source_t *target);
extern void obs_source_audio_render(obs_source_t *source, uint32_t mixers,
size_t channels, size_t sample_rate, size_t size);
extern void add_alignment(struct vec2 *v, uint32_t align, int cx, int cy);
extern struct obs_source_frame *filter_async_video(obs_source_t *source,
struct obs_source_frame *in);
extern bool update_async_texture(struct obs_source *source,
const struct obs_source_frame *frame,
gs_texture_t *tex, gs_texrender_t *texrender);
extern bool set_async_texture_size(struct obs_source *source,
const struct obs_source_frame *frame);
extern void remove_async_frame(obs_source_t *source,
struct obs_source_frame *frame);
extern void set_deinterlace_texture_size(obs_source_t *source);
extern void deinterlace_process_last_frame(obs_source_t *source,
uint64_t sys_time);
extern void deinterlace_update_async_video(obs_source_t *source);
extern void deinterlace_render(obs_source_t *s);
/* ------------------------------------------------------------------------- */
/* outputs */
enum delay_msg {
DELAY_MSG_PACKET,
DELAY_MSG_START,
DELAY_MSG_STOP,
};
struct delay_data {
enum delay_msg msg;
uint64_t ts;
struct encoder_packet packet;
};
typedef void (*encoded_callback_t)(void *data, struct encoder_packet *packet);
struct obs_weak_output {
struct obs_weak_ref ref;
struct obs_output *output;
};
#define CAPTION_LINE_CHARS (32)
#define CAPTION_LINE_BYTES (4*CAPTION_LINE_CHARS)
struct caption_text {
char text[CAPTION_LINE_BYTES+1];
struct caption_text *next;
};
struct obs_output {
struct obs_context_data context;
struct obs_output_info info;
struct obs_weak_output *control;
/* indicates ownership of the info.id buffer */
bool owns_info_id;
bool received_video;
bool received_audio;
volatile bool data_active;
volatile bool end_data_capture_thread_active;
int64_t video_offset;
int64_t audio_offsets[MAX_AUDIO_MIXES];
int64_t highest_audio_ts;
int64_t highest_video_ts;
pthread_t end_data_capture_thread;
os_event_t *stopping_event;
pthread_mutex_t interleaved_mutex;
DARRAY(struct encoder_packet) interleaved_packets;
int stop_code;
int reconnect_retry_sec;
int reconnect_retry_max;
int reconnect_retries;
int reconnect_retry_cur_sec;
pthread_t reconnect_thread;
os_event_t *reconnect_stop_event;
volatile bool reconnecting;
volatile bool reconnect_thread_active;
uint32_t starting_drawn_count;
uint32_t starting_lagged_count;
uint32_t starting_frame_count;
int total_frames;
volatile bool active;
video_t *video;
audio_t *audio;
obs_encoder_t *video_encoder;
obs_encoder_t *audio_encoders[MAX_AUDIO_MIXES];
obs_service_t *service;
size_t mixer_idx;
uint32_t scaled_width;
uint32_t scaled_height;
bool video_conversion_set;
bool audio_conversion_set;
struct video_scale_info video_conversion;
struct audio_convert_info audio_conversion;
pthread_mutex_t caption_mutex;
double caption_timestamp;
struct caption_text *caption_head;
struct caption_text *caption_tail;
bool valid;
uint64_t active_delay_ns;
encoded_callback_t delay_callback;
struct circlebuf delay_data; /* struct delay_data */
pthread_mutex_t delay_mutex;
uint32_t delay_sec;
uint32_t delay_flags;
uint32_t delay_cur_flags;
volatile long delay_restart_refs;
volatile bool delay_active;
volatile bool delay_capturing;
char *last_error_message;
};
static inline void do_output_signal(struct obs_output *output,
const char *signal)
{
struct calldata params = {0};
calldata_set_ptr(¶ms, "output", output);
signal_handler_signal(output->context.signals, signal, ¶ms);
calldata_free(¶ms);
}
extern void process_delay(void *data, struct encoder_packet *packet);
extern void obs_output_cleanup_delay(obs_output_t *output);
extern bool obs_output_delay_start(obs_output_t *output);
extern void obs_output_delay_stop(obs_output_t *output);
extern bool obs_output_actual_start(obs_output_t *output);
extern void obs_output_actual_stop(obs_output_t *output, bool force,
uint64_t ts);
extern const struct obs_output_info *find_output(const char *id);
extern void obs_output_remove_encoder(struct obs_output *output,
struct obs_encoder *encoder);
extern void obs_encoder_packet_create_instance(struct encoder_packet *dst,
const struct encoder_packet *src);
void obs_output_destroy(obs_output_t *output);
/* ------------------------------------------------------------------------- */
/* encoders */
struct obs_weak_encoder {
struct obs_weak_ref ref;
struct obs_encoder *encoder;
};
struct encoder_callback {
bool sent_first_packet;
void (*new_packet)(void *param, struct encoder_packet *packet);
void *param;
};
struct obs_encoder {
struct obs_context_data context;
struct obs_encoder_info info;
struct obs_weak_encoder *control;
pthread_mutex_t init_mutex;
uint32_t samplerate;
size_t planes;
size_t blocksize;
size_t framesize;
size_t framesize_bytes;
size_t mixer_idx;
uint32_t scaled_width;
uint32_t scaled_height;
enum video_format preferred_format;
volatile bool active;
bool initialized;
/* indicates ownership of the info.id buffer */
bool owns_info_id;
uint32_t timebase_num;
uint32_t timebase_den;
int64_t cur_pts;
struct circlebuf audio_input_buffer[MAX_AV_PLANES];
uint8_t *audio_output_buffer[MAX_AV_PLANES];
/* if a video encoder is paired with an audio encoder, make it start
* up at the specific timestamp. if this is the audio encoder,
* wait_for_video makes it wait until it's ready to sync up with
* video */
bool wait_for_video;
bool first_received;
struct obs_encoder *paired_encoder;
int64_t offset_usec;
uint64_t first_raw_ts;
uint64_t start_ts;
pthread_mutex_t outputs_mutex;
DARRAY(obs_output_t*) outputs;
bool destroy_on_stop;
/* stores the video/audio media output pointer. video_t *or audio_t **/
void *media;
pthread_mutex_t callbacks_mutex;
DARRAY(struct encoder_callback) callbacks;
const char *profile_encoder_encode_name;
};
extern struct obs_encoder_info *find_encoder(const char *id);
extern bool obs_encoder_initialize(obs_encoder_t *encoder);
extern void obs_encoder_shutdown(obs_encoder_t *encoder);
extern void obs_encoder_start(obs_encoder_t *encoder,
void (*new_packet)(void *param, struct encoder_packet *packet),
void *param);
extern void obs_encoder_stop(obs_encoder_t *encoder,
void (*new_packet)(void *param, struct encoder_packet *packet),
void *param);
extern void obs_encoder_add_output(struct obs_encoder *encoder,
struct obs_output *output);
extern void obs_encoder_remove_output(struct obs_encoder *encoder,
struct obs_output *output);
void obs_encoder_destroy(obs_encoder_t *encoder);
/* ------------------------------------------------------------------------- */
/* services */
struct obs_weak_service {
struct obs_weak_ref ref;
struct obs_service *service;
};
struct obs_service {
struct obs_context_data context;
struct obs_service_info info;
struct obs_weak_service *control;
/* indicates ownership of the info.id buffer */
bool owns_info_id;
bool active;
bool destroy;
struct obs_output *output;
};
extern const struct obs_service_info *find_service(const char *id);
extern void obs_service_activate(struct obs_service *service);
extern void obs_service_deactivate(struct obs_service *service, bool remove);
extern bool obs_service_initialize(struct obs_service *service,
struct obs_output *output);
void obs_service_destroy(obs_service_t *service);