obs-StreamFX/source/obs/obs-source.cpp

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/*
* Modern effects for a modern Streamer
* Copyright (C) 2018 Michael Fabian Dirks
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "obs-source.hpp"
void obs::source::handle_destroy(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
obs_source_t* source;
if (!calldata_get_ptr(calldata, "source", &source)) {
return;
}
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if (self->_self == source) {
self->_self = nullptr;
}
if (self->events.destroy) {
return;
}
self->events.destroy(self);
}
void obs::source::handle_remove(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.remove) {
return;
}
self->events.remove(self);
}
void obs::source::handle_save(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.save) {
return;
}
self->events.save(self);
}
void obs::source::handle_load(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.load) {
return;
}
self->events.load(self);
}
void obs::source::handle_activate(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.activate) {
return;
}
self->events.activate(self);
}
void obs::source::handle_deactivate(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.deactivate) {
return;
}
self->events.deactivate(self);
}
void obs::source::handle_show(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.show) {
return;
}
self->events.show(self);
}
void obs::source::handle_hide(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.hide) {
return;
}
self->events.hide(self);
}
void obs::source::handle_enable(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.enable) {
return;
}
bool enabled = false;
if (!calldata_get_bool(calldata, "enabled", &enabled)) {
return;
}
self->events.enable(self, enabled);
}
void obs::source::handle_push_to_mute_changed(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.push_to_mute_changed) {
return;
}
bool enabled = false;
if (!calldata_get_bool(calldata, "enabled", &enabled)) {
return;
}
self->events.push_to_mute_changed(self, enabled);
}
void obs::source::handle_push_to_mute_delay(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.push_to_mute_delay) {
return;
}
long long delay;
if (!calldata_get_int(calldata, "delay", &delay)) {
return;
}
self->events.push_to_mute_delay(self, delay);
}
void obs::source::handle_push_to_talk_changed(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.push_to_talk_changed) {
return;
}
bool enabled = false;
if (!calldata_get_bool(calldata, "enabled", &enabled)) {
return;
}
self->events.push_to_talk_changed(self, enabled);
}
void obs::source::handle_push_to_talk_delay(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.push_to_talk_delay) {
return;
}
long long delay;
if (!calldata_get_int(calldata, "delay", &delay)) {
return;
}
self->events.push_to_talk_delay(self, delay);
}
void obs::source::handle_rename(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.enable) {
return;
}
const char* new_name;
if (!calldata_get_string(calldata, "new_name", &new_name)) {
return;
}
const char* prev_name;
if (!calldata_get_string(calldata, "prev_name", &prev_name)) {
return;
}
self->events.rename(self, std::string(new_name ? new_name : ""), std::string(prev_name ? prev_name : ""));
}
void obs::source::handle_update_properties(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.update_properties) {
return;
}
self->events.update_properties(self);
}
void obs::source::handle_update_flags(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.update_flags) {
return;
}
long long flags;
if (!calldata_get_int(calldata, "flags", &flags)) {
return;
}
self->events.update_flags(self, flags);
}
void obs::source::handle_mute(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.mute) {
return;
}
bool muted;
if (!calldata_get_bool(calldata, "muted", &muted)) {
return;
}
self->events.mute(self, muted);
}
void obs::source::handle_volume(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.volume) {
return;
}
double volume;
if (!calldata_get_float(calldata, "volume", &volume)) {
return;
}
self->events.volume(self, volume);
calldata_set_float(calldata, "volume", volume);
}
void obs::source::handle_audio_sync(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.audio_sync) {
return;
}
long long mixers;
if (!calldata_get_int(calldata, "offset", &mixers)) {
return;
}
self->events.audio_sync(self, mixers);
calldata_set_int(calldata, "offset", mixers);
}
void obs::source::handle_audio_mixers(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.audio_mixers) {
return;
}
long long mixers;
if (!calldata_get_int(calldata, "mixers", &mixers)) {
return;
}
self->events.audio_mixers(self, mixers);
calldata_set_int(calldata, "mixers", mixers);
}
void obs::source::handle_audio_data(void* p, obs_source_t*, const audio_data* audio, bool muted)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.audio_data) {
return;
}
self->events.audio_data(self, audio, muted);
}
void obs::source::handle_filter_add(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.filter_add) {
return;
}
obs_source_t* filter;
if (!calldata_get_ptr(calldata, "filter", &filter)) {
return;
}
self->events.filter_add(self, filter);
}
void obs::source::handle_filter_remove(void* p, calldata_t* calldata)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.filter_remove) {
return;
}
obs_source_t* filter;
if (!calldata_get_ptr(calldata, "filter", &filter)) {
return;
}
self->events.filter_remove(self, filter);
}
void obs::source::handle_reorder_filters(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.reorder_filters) {
return;
}
self->events.reorder_filters(self);
}
void obs::source::handle_transition_start(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.transition_start) {
return;
}
self->events.transition_start(self);
}
void obs::source::handle_transition_video_stop(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.transition_video_stop) {
return;
}
self->events.transition_video_stop(self);
}
void obs::source::handle_transition_stop(void* p, calldata_t*)
{
obs::source* self = reinterpret_cast<obs::source*>(p);
if (!self->events.transition_stop) {
return;
}
self->events.transition_stop(self);
}
obs::source::~source()
{
#ifdef auto_signal_d
#undef auto_signal_d
#endif
#define auto_signal_d(SIGNAL) this->events.SIGNAL.clear()
auto_signal_d(destroy);
auto_signal_d(remove);
auto_signal_d(save);
auto_signal_d(load);
auto_signal_d(activate);
auto_signal_d(deactivate);
auto_signal_d(show);
auto_signal_d(hide);
auto_signal_d(mute);
auto_signal_d(push_to_mute_changed);
auto_signal_d(push_to_mute_delay);
auto_signal_d(push_to_talk_changed);
auto_signal_d(push_to_talk_delay);
auto_signal_d(enable);
auto_signal_d(rename);
auto_signal_d(volume);
auto_signal_d(update_properties);
auto_signal_d(update_flags);
auto_signal_d(audio_sync);
auto_signal_d(audio_mixers);
auto_signal_d(audio_data);
auto_signal_d(filter_add);
auto_signal_d(filter_remove);
auto_signal_d(reorder_filters);
auto_signal_d(transition_start);
auto_signal_d(transition_video_stop);
auto_signal_d(transition_stop);
#undef auto_signal_d
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if (this->_track_ownership && this->_self) {
obs_source_release(this->_self);
}
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this->_self = nullptr;
}
obs::source::source()
{
#ifdef auto_signal_c
#undef auto_signal_c
#endif
#define auto_signal_c(SIGNAL) \
{ \
this->events.SIGNAL.set_listen_callback([this] { \
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if (!this->_self) \
return; \
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auto sh = obs_source_get_signal_handler(this->_self); \
if (sh) { \
signal_handler_connect(sh, "" #SIGNAL, obs::source::handle_##SIGNAL, this); \
} \
}); \
this->events.SIGNAL.set_silence_callback([this] { \
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if (!this->_self) \
return; \
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auto sh = obs_source_get_signal_handler(this->_self); \
if (sh) { \
signal_handler_disconnect(sh, "" #SIGNAL, obs::source::handle_##SIGNAL, this); \
} \
}); \
}
auto_signal_c(destroy) auto_signal_c(remove) auto_signal_c(save) auto_signal_c(load) auto_signal_c(activate)
auto_signal_c(deactivate) auto_signal_c(show) auto_signal_c(hide) auto_signal_c(mute)
auto_signal_c(push_to_mute_changed) auto_signal_c(push_to_mute_delay) auto_signal_c(push_to_talk_changed)
auto_signal_c(push_to_talk_delay) auto_signal_c(enable) auto_signal_c(rename) auto_signal_c(volume)
auto_signal_c(update_properties) auto_signal_c(update_flags) auto_signal_c(audio_sync)
auto_signal_c(audio_mixers) auto_signal_c(filter_add) auto_signal_c(filter_remove)
auto_signal_c(reorder_filters) auto_signal_c(transition_start)
auto_signal_c(transition_video_stop) auto_signal_c(transition_stop)
#undef auto_signal_c
// libOBS unfortunately does not use the event system for audio data callbacks, which is kind of odd as most other
// things do. So instead we'll have to manually deal with it for now.
{
this->events.audio_data.set_listen_callback([this] {
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if (!this->_self)
return;
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obs_source_add_audio_capture_callback(this->_self, obs::source::handle_audio_data, this);
});
this->events.audio_data.set_silence_callback([this] {
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if (!this->_self)
return;
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obs_source_remove_audio_capture_callback(this->_self, obs::source::handle_audio_data, this);
});
}
}
obs::source::source(std::string name, bool ptrack_ownership, bool add_reference) : ::obs::source::source()
{
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this->_self = obs_get_source_by_name(name.c_str());
if (!this->_self) {
throw std::runtime_error("source with name not found");
}
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this->_track_ownership = ptrack_ownership;
if (!add_reference) {
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obs_source_release(this->_self);
}
}
obs::source::source(obs_source_t* source, bool ptrack_ownership, bool add_reference) : ::obs::source::source()
{
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this->_self = source;
if (!this->_self) {
throw std::invalid_argument("source must not be null");
}
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this->_track_ownership = ptrack_ownership;
if (add_reference) {
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obs_source_addref(this->_self);
}
}
obs::source::source(source const& other)
{
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this->_self = other._self;
this->_track_ownership = other._track_ownership;
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if (this->_track_ownership) {
obs_source_addref(this->_self);
}
#ifdef auto_signal_c
#undef auto_signal_c
#endif
#define auto_signal_c(SIGNAL) this->events.SIGNAL = other.events.SIGNAL
auto_signal_c(destroy);
auto_signal_c(remove);
auto_signal_c(save);
auto_signal_c(load);
auto_signal_c(activate);
auto_signal_c(deactivate);
auto_signal_c(show);
auto_signal_c(hide);
auto_signal_c(mute);
auto_signal_c(push_to_mute_changed);
auto_signal_c(push_to_mute_delay);
auto_signal_c(push_to_talk_changed);
auto_signal_c(push_to_talk_delay);
auto_signal_c(enable);
auto_signal_c(rename);
auto_signal_c(volume);
auto_signal_c(update_properties);
auto_signal_c(update_flags);
auto_signal_c(audio_sync);
auto_signal_c(audio_mixers);
auto_signal_c(audio_data);
auto_signal_c(filter_add);
auto_signal_c(filter_remove);
auto_signal_c(reorder_filters);
auto_signal_c(transition_start);
auto_signal_c(transition_video_stop);
auto_signal_c(transition_stop);
#undef auto_signal_c
}
obs::source& obs::source::operator=(source const& other)
{
if (this == &other) {
return *this;
}
// Release previous source.
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if (this->_self && this->_track_ownership) {
obs_source_release(this->_self);
}
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this->_self = other._self;
this->_track_ownership = other._track_ownership;
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if (this->_track_ownership) {
obs_source_addref(this->_self);
}
#ifdef auto_signal_c
#undef auto_signal_c
#endif
#define auto_signal_c(SIGNAL) this->events.SIGNAL = other.events.SIGNAL
auto_signal_c(destroy);
auto_signal_c(remove);
auto_signal_c(save);
auto_signal_c(load);
auto_signal_c(activate);
auto_signal_c(deactivate);
auto_signal_c(show);
auto_signal_c(hide);
auto_signal_c(mute);
auto_signal_c(push_to_mute_changed);
auto_signal_c(push_to_mute_delay);
auto_signal_c(push_to_talk_changed);
auto_signal_c(push_to_talk_delay);
auto_signal_c(enable);
auto_signal_c(rename);
auto_signal_c(volume);
auto_signal_c(update_properties);
auto_signal_c(update_flags);
auto_signal_c(audio_sync);
auto_signal_c(audio_mixers);
auto_signal_c(audio_data);
auto_signal_c(filter_add);
auto_signal_c(filter_remove);
auto_signal_c(reorder_filters);
auto_signal_c(transition_start);
auto_signal_c(transition_video_stop);
auto_signal_c(transition_stop);
#undef auto_signal_c
return *this;
}
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obs::source::source(source&& other) : _self(std::move(other._self)), _track_ownership(std::move(other._track_ownership))
{
// Clean out other source
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other._self = nullptr;
other._track_ownership = false;
#ifdef auto_signal_c
#undef auto_signal_c
#endif
#define auto_signal_c(SIGNAL) this->events.SIGNAL = std::move(other.events.SIGNAL)
auto_signal_c(destroy);
auto_signal_c(remove);
auto_signal_c(save);
auto_signal_c(load);
auto_signal_c(activate);
auto_signal_c(deactivate);
auto_signal_c(show);
auto_signal_c(hide);
auto_signal_c(mute);
auto_signal_c(push_to_mute_changed);
auto_signal_c(push_to_mute_delay);
auto_signal_c(push_to_talk_changed);
auto_signal_c(push_to_talk_delay);
auto_signal_c(enable);
auto_signal_c(rename);
auto_signal_c(volume);
auto_signal_c(update_properties);
auto_signal_c(update_flags);
auto_signal_c(audio_sync);
auto_signal_c(audio_mixers);
auto_signal_c(audio_data);
auto_signal_c(filter_add);
auto_signal_c(filter_remove);
auto_signal_c(reorder_filters);
auto_signal_c(transition_start);
auto_signal_c(transition_video_stop);
auto_signal_c(transition_stop);
#undef auto_signal_c
}
obs::source& obs::source::operator=(source&& other)
{
if (this != &other) {
return *this;
}
// Release previous source.
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if (this->_self && this->_track_ownership) {
obs_source_release(this->_self);
}
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this->_self = std::move(other._self);
this->_track_ownership = std::move(other._track_ownership);
other._self = nullptr;
other._track_ownership = false;
#ifdef auto_signal_c
#undef auto_signal_c
#endif
#define auto_signal_c(SIGNAL) this->events.SIGNAL = std::move(other.events.SIGNAL)
auto_signal_c(destroy);
auto_signal_c(remove);
auto_signal_c(save);
auto_signal_c(load);
auto_signal_c(activate);
auto_signal_c(deactivate);
auto_signal_c(show);
auto_signal_c(hide);
auto_signal_c(mute);
auto_signal_c(push_to_mute_changed);
auto_signal_c(push_to_mute_delay);
auto_signal_c(push_to_talk_changed);
auto_signal_c(push_to_talk_delay);
auto_signal_c(enable);
auto_signal_c(rename);
auto_signal_c(volume);
auto_signal_c(update_properties);
auto_signal_c(update_flags);
auto_signal_c(audio_sync);
auto_signal_c(audio_mixers);
auto_signal_c(audio_data);
auto_signal_c(filter_add);
auto_signal_c(filter_remove);
auto_signal_c(reorder_filters);
auto_signal_c(transition_start);
auto_signal_c(transition_video_stop);
auto_signal_c(transition_stop);
#undef auto_signal_c
return *this;
}
obs_source_type obs::source::type()
{
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if (!_self) {
return (obs_source_type)-1;
}
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return obs_source_get_type(_self);
}
void* obs::source::type_data()
{
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if (!_self) {
return nullptr;
}
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return obs_source_get_type_data(_self);
}
uint32_t obs::source::width()
{
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if (!_self) {
return 0;
}
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return obs_source_get_width(_self);
}
uint32_t obs::source::height()
{
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if (!_self) {
return 0;
}
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return obs_source_get_height(_self);
}
bool obs::source::destroyed()
{
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return _self == nullptr;
}
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void obs::source::clear()
{
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_self = nullptr;
}
obs_source_t* obs::source::get()
{
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return _self;
}