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#include "decklink.hpp"
#include "decklink-device.hpp"
#include "decklink-device-discovery.hpp"
#include <obs-module.h>
OBS_DECLARE_MODULE()
OBS_MODULE_USE_DEFAULT_LOCALE("decklink", "en-US")
static DeckLinkDeviceDiscovery *deviceEnum = nullptr;
static void decklink_enable_buffering(DeckLink *decklink, bool enabled)
{
obs_source_t *source = decklink->GetSource();
uint32_t flags = obs_source_get_flags(source);
if (enabled)
flags &= ~OBS_SOURCE_FLAG_UNBUFFERED;
else
flags |= OBS_SOURCE_FLAG_UNBUFFERED;
obs_source_set_flags(source, flags);
}
static void *decklink_create(obs_data_t *settings, obs_source_t *source)
{
DeckLink *decklink = new DeckLink(source, deviceEnum);
decklink_enable_buffering(decklink,
obs_data_get_bool(settings, "buffering"));
obs_source_update(source, settings);
return decklink;
}
static void decklink_destroy(void *data)
{
DeckLink *decklink = (DeckLink *)data;
delete decklink;
}
static void decklink_update(void *data, obs_data_t *settings)
{
DeckLink *decklink = (DeckLink *)data;
const char *hash = obs_data_get_string(settings, "device_hash");
long long id = obs_data_get_int(settings, "mode_id");
BMDPixelFormat format = (BMDPixelFormat)obs_data_get_int(settings,
"pixel_format");
decklink_enable_buffering(decklink,
obs_data_get_bool(settings, "buffering"));
ComPtr<DeckLinkDevice> device;
device.Set(deviceEnum->FindByHash(hash));
decklink->SetPixelFormat(format);
decklink->Activate(device, id);
}
static void decklink_get_defaults(obs_data_t *settings)
{
obs_data_set_default_bool(settings, "buffering", true);
obs_data_set_default_int(settings, "pixel_format", bmdFormat8BitYUV);
}
static const char *decklink_get_name(void*)
{
return obs_module_text("BlackmagicDevice");
}
static bool decklink_device_changed(obs_properties_t *props,
obs_property_t *list, obs_data_t *settings)
{
const char *name = obs_data_get_string(settings, "device_name");
const char *hash = obs_data_get_string(settings, "device_hash");
const char *mode = obs_data_get_string(settings, "mode_name");
long long modeId = obs_data_get_int(settings, "mode_id");
size_t itemCount = obs_property_list_item_count(list);
bool itemFound = false;
for (size_t i = 0; i < itemCount; i++) {
const char *curHash = obs_property_list_item_string(list, i);
if (strcmp(hash, curHash) == 0) {
itemFound = true;
break;
}
}
if (!itemFound) {
obs_property_list_insert_string(list, 0, name, hash);
obs_property_list_item_disable(list, 0, true);
}
list = obs_properties_get(props, "mode_id");
obs_property_list_clear(list);
ComPtr<DeckLinkDevice> device;
device.Set(deviceEnum->FindByHash(hash));
if (!device) {
obs_property_list_add_int(list, mode, modeId);
obs_property_list_item_disable(list, 0, true);
} else {
const std::vector<DeckLinkDeviceMode*> &modes =
device->GetModes();
for (DeckLinkDeviceMode *mode : modes) {
obs_property_list_add_int(list,
mode->GetName().c_str(),
mode->GetId());
}
}
return true;
}
static void fill_out_devices(obs_property_t *list)
{
deviceEnum->Lock();
const std::vector<DeckLinkDevice*> &devices = deviceEnum->GetDevices();
for (DeckLinkDevice *device : devices) {
obs_property_list_add_string(list,
device->GetDisplayName().c_str(),
device->GetHash().c_str());
}
deviceEnum->Unlock();
}
static obs_properties_t *decklink_get_properties(void *data)
{
obs_properties_t *props = obs_properties_create();
obs_property_t *list = obs_properties_add_list(props, "device_hash",
obs_module_text("Device"), OBS_COMBO_TYPE_LIST,
OBS_COMBO_FORMAT_STRING);
obs_property_set_modified_callback(list, decklink_device_changed);
fill_out_devices(list);
list = obs_properties_add_list(props, "mode_id",
obs_module_text("Mode"), OBS_COMBO_TYPE_LIST,
OBS_COMBO_FORMAT_INT);
list = obs_properties_add_list(props, "pixel_format",
obs_module_text("PixelFormat"), OBS_COMBO_TYPE_LIST,
OBS_COMBO_FORMAT_INT);
obs_property_list_add_int(list, "8-bit YUV", bmdFormat8BitYUV);
obs_property_list_add_int(list, "8-bit BGRA", bmdFormat8BitBGRA);
obs_properties_add_bool(props, "buffering",
obs_module_text("Buffering"));
UNUSED_PARAMETER(data);
return props;
}
bool obs_module_load(void)
{
deviceEnum = new DeckLinkDeviceDiscovery();
if (!deviceEnum->Init())
return true;
struct obs_source_info info = {};
info.id = "decklink-input";
info.type = OBS_SOURCE_TYPE_INPUT;
info.output_flags = OBS_SOURCE_ASYNC_VIDEO | OBS_SOURCE_AUDIO |
OBS_SOURCE_DO_NOT_DUPLICATE;
info.create = decklink_create;
info.destroy = decklink_destroy;
info.get_defaults = decklink_get_defaults;
info.get_name = decklink_get_name;
info.get_properties = decklink_get_properties;
info.update = decklink_update;
obs_register_source(&info);
return true;
}
void obs_module_unload(void)
{
delete deviceEnum;
}
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