mirror of
https://github.com/obsproject/obs-studio.git
synced 2024-07-15 07:44:10 +00:00
Use macros to improve safety loading callbacks
Just a minor fix mostly because I noticed that I kept accidentally forgetting to add checks to the code properly. This is one of those cases where macros come in useful, as macros can automate the process and help prevent these mistakes from happening by accident.
This commit is contained in:
jp9000
parent
ff1afac5f8
commit
8d63845dd4
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@ -32,6 +32,14 @@
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#include "obs-service.h"
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#include "obs-encoder.h"
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#define LOAD_MODULE_SUBFUNC(name, required) \
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do { \
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info->name = load_module_subfunc(module, module_name, \
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id, #name, required); \
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if (required && !info->name) \
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return false; \
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} while (false)
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#define NUM_TEXTURES 2
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struct obs_display {
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@ -19,33 +19,20 @@
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#include "obs-data.h"
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bool load_encoder_info(void *module, const char *module_name,
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const char *encoder_id, struct encoder_info *info)
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const char *id, struct encoder_info *info)
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{
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info->getname = load_module_subfunc(module, module_name,
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encoder_id, "getname", true);
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info->create = load_module_subfunc(module, module_name,
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encoder_id, "create", true);
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info->destroy = load_module_subfunc(module, module_name,
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encoder_id, "destroy", true);
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info->update = load_module_subfunc(module, module_name,
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encoder_id, "update", true);
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info->reset = load_module_subfunc(module, module_name,
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encoder_id, "reset", true);
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info->encode = load_module_subfunc(module, module_name,
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encoder_id, "encode", true);
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info->getheader = load_module_subfunc(module, module_name,
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encoder_id, "getheader", true);
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LOAD_MODULE_SUBFUNC(getname, true);
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LOAD_MODULE_SUBFUNC(create, true);
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LOAD_MODULE_SUBFUNC(destroy, true);
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LOAD_MODULE_SUBFUNC(update, true);
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LOAD_MODULE_SUBFUNC(reset, true);
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LOAD_MODULE_SUBFUNC(encode, true);
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LOAD_MODULE_SUBFUNC(getheader, true);
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if (!info->getname || !info->create || !info->destroy ||
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!info->reset || !info->encode || !info->getheader)
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return false;
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LOAD_MODULE_SUBFUNC(setbitrate, false);
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LOAD_MODULE_SUBFUNC(request_keyframe, false);
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info->setbitrate = load_module_subfunc(module, module_name,
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encoder_id, "setbitrate", false);
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info->request_keyframe = load_module_subfunc(module, module_name,
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encoder_id, "request_keyframe", false);
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info->id = encoder_id;
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info->id = id;
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return true;
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}
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@ -19,31 +19,19 @@
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#include "obs-data.h"
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bool load_output_info(void *module, const char *module_name,
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const char *output_id, struct output_info *info)
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const char *id, struct output_info *info)
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{
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info->getname = load_module_subfunc(module, module_name,
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output_id, "getname", true);
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info->create = load_module_subfunc(module, module_name,
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output_id, "create", true);
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info->destroy = load_module_subfunc(module, module_name,
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output_id, "destroy", true);
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info->update = load_module_subfunc(module, module_name,
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output_id, "update", true);
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info->start = load_module_subfunc(module, module_name,
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output_id, "start", true);
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info->stop = load_module_subfunc(module, module_name,
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output_id, "stop", true);
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info->active = load_module_subfunc(module, module_name,
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output_id, "active", true);
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LOAD_MODULE_SUBFUNC(getname, true);
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LOAD_MODULE_SUBFUNC(create, true);
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LOAD_MODULE_SUBFUNC(destroy, true);
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LOAD_MODULE_SUBFUNC(update, true);
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LOAD_MODULE_SUBFUNC(start, true);
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LOAD_MODULE_SUBFUNC(stop, true);
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LOAD_MODULE_SUBFUNC(active, true);
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if (!info->getname || !info->create || !info->destroy ||
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!info->start || !info->stop || !info->active)
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return false;
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LOAD_MODULE_SUBFUNC(pause, false);
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info->pause = load_module_subfunc(module, module_name,
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output_id, "pause", false);
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info->id = output_id;
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info->id = id;
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return true;
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}
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@ -27,47 +27,26 @@
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static void obs_source_destroy(obs_source_t source);
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bool load_source_info(void *module, const char *module_name,
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const char *source_id, struct source_info *info)
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const char *id, struct source_info *info)
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{
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info->getname = load_module_subfunc(module, module_name,
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source_id, "getname", true);
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info->create = load_module_subfunc(module, module_name,
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source_id,"create", true);
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info->destroy = load_module_subfunc(module, module_name,
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source_id, "destroy", true);
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info->get_output_flags = load_module_subfunc(module, module_name,
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source_id, "get_output_flags", true);
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LOAD_MODULE_SUBFUNC(getname, true);
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LOAD_MODULE_SUBFUNC(create, true);
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LOAD_MODULE_SUBFUNC(destroy, true);
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LOAD_MODULE_SUBFUNC(get_output_flags, true);
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if (!info->getname || !info->create || !info->destroy ||
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!info->get_output_flags)
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return false;
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LOAD_MODULE_SUBFUNC(update, false);
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LOAD_MODULE_SUBFUNC(activate, false);
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LOAD_MODULE_SUBFUNC(deactivate, false);
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LOAD_MODULE_SUBFUNC(video_tick, false);
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LOAD_MODULE_SUBFUNC(video_render, false);
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LOAD_MODULE_SUBFUNC(getwidth, false);
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LOAD_MODULE_SUBFUNC(getheight, false);
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LOAD_MODULE_SUBFUNC(getparam, false);
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LOAD_MODULE_SUBFUNC(setparam, false);
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LOAD_MODULE_SUBFUNC(filter_video, false);
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LOAD_MODULE_SUBFUNC(filter_audio, false);
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info->config = load_module_subfunc(module, module_name,
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source_id, "config", false);
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info->activate = load_module_subfunc(module, module_name,
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source_id, "activate", false);
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info->deactivate = load_module_subfunc(module, module_name,
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source_id, "deactivate", false);
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info->video_tick = load_module_subfunc(module, module_name,
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source_id, "video_tick", false);
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info->video_render = load_module_subfunc(module, module_name,
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source_id, "video_render", false);
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info->getwidth = load_module_subfunc(module, module_name,
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source_id, "getwidth", false);
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info->getheight = load_module_subfunc(module, module_name,
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source_id, "getheight", false);
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info->getparam = load_module_subfunc(module, module_name,
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source_id, "getparam", false);
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info->setparam = load_module_subfunc(module, module_name,
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source_id, "setparam", false);
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info->filter_video = load_module_subfunc(module, module_name,
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source_id, "filter_video", false);
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info->filter_audio = load_module_subfunc(module, module_name,
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source_id, "filter_audio", false);
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info->id = source_id;
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info->id = id;
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return true;
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}
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@ -292,15 +271,10 @@ uint32_t obs_source_get_output_flags(obs_source_t source)
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return source->callbacks.get_output_flags(source->data);
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}
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bool obs_source_hasconfig(obs_source_t source)
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void obs_source_update(obs_source_t source, const char *settings)
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{
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return source->callbacks.config != NULL;
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}
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void obs_source_config(obs_source_t source, void *parent)
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{
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if (source->callbacks.config)
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source->callbacks.config(source->data, parent);
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if (source->callbacks.update)
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source->callbacks.update(source->data, settings);
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}
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void obs_source_activate(obs_source_t source)
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@ -40,15 +40,20 @@
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* + mysource_getname
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* + mysource_create
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* + mysource_destroy
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* + mysource_getflags
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* + mysource_get_output_flags
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*
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* [and optionally]
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* + mysource_update
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* + mysource_config
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* + mysource_activate
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* + mysource_deactivate
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* + mysource_video_tick
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* + mysource_video_render
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* + mysource_getwidth
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* + mysource_getheight
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* + mysource_getparam
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* + mysource_setparam
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* + mysource_filtervideo
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* + mysource_filteraudio
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*
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* ===========================================
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* Primary Exports
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@ -77,7 +82,7 @@
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* Destroys the source.
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*
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* ---------------------------------------------------------
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* uint32_t [name]_getflags(void *data);
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* uint32_t [name]_get_output_flags(void *data);
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* Returns a combination of one of the following values:
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* + SOURCE_VIDEO: source has video
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* + SOURCE_AUDIO: source has audio
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@ -85,23 +90,11 @@
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* + SOURCE_DEFAULT_EFFECT: source uses default effect
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* + SOURCE_YUV: source is in YUV color space
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*
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* ---------------------------------------------------------
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* uint32_t [name]_getwidth(void *data);
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* Returns the width of a source, or -1 for maximum width. If you render
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* video, this is required.
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*
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* ---------------------------------------------------------
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* uint32_t [name]_getheight(void *data);
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* Returns the height of a source, or -1 for maximum height. If you
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* render video, this is required.
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*
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* ===========================================
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* Optional Source Exports
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* ===========================================
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* void [name]_config(void *data, void *parent);
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* Called to configure the source.
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*
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* parent: Parent window pointer
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* void [name]_update(void *data, const char *settings);
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* Called to update the settings of the source.
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*
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* ---------------------------------------------------------
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* void [name]_video_activate(void *data);
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@ -121,6 +114,16 @@
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* Called to render the source.
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*
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* ---------------------------------------------------------
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* uint32_t [name]_getwidth(void *data);
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* Returns the width of a source, or -1 for maximum width. If you render
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* video, this is required.
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*
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* ---------------------------------------------------------
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* uint32_t [name]_getheight(void *data);
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* Returns the height of a source, or -1 for maximum height. If you
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* render video, this is required.
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*
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* ---------------------------------------------------------
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* void [name]_getparam(void *data, const char *param, void *buf,
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* size_t buf_size);
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* Gets a source parameter value.
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@ -171,7 +174,7 @@ struct source_info {
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/* ----------------------------------------------------------------- */
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/* optional implementations */
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bool (*config)(void *data, void *parent);
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void (*update)(void *data, const char *settings);
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void (*activate)(void *data);
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void (*deactivate)(void *data);
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@ -377,8 +377,8 @@ EXPORT uint32_t obs_source_get_output_flags(obs_source_t source);
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/** Specifies whether the source can be configured */
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EXPORT bool obs_source_hasconfig(obs_source_t source);
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/** Opens a configuration panel and attaches it to the parent window */
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EXPORT void obs_source_config(obs_source_t source, void *parent);
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/** Updates settings for this source */
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EXPORT void obs_source_update(obs_source_t source, const char *settings);
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/** Renders a video source. */
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EXPORT void obs_source_video_render(obs_source_t source);
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