#include <new>
#include <utility>
+#include "audio_mixer.h"
#include "defs.h"
#ifdef HAVE_CEF
#include "cef_capture.h"
#include "image_input.h"
#include "input_state.h"
#include "lua_utils.h"
+#include "mainwindow.h"
#include "pbo_frame_allocator.h"
#include "scene.h"
extern Mixer *global_mixer;
+constexpr unsigned Theme::MenuEntry::CHECKABLE;
+constexpr unsigned Theme::MenuEntry::CHECKED;
+
Theme *get_theme_updata(lua_State* L)
{
luaL_checktype(L, lua_upvalueindex(1), LUA_TLIGHTUSERDATA);
case IDENTITY_EFFECT:
return new IdentityEffect;
case WHITE_BALANCE_EFFECT:
+ case AUTO_WHITE_BALANCE_EFFECT:
return new WhiteBalanceEffect;
case RESAMPLE_EFFECT:
return new ResampleEffect;
{ "new", Scene_new },
{ "__gc", Scene_gc },
{ "add_input", Scene::add_input },
+ { "add_auto_white_balance", Scene::add_auto_white_balance },
{ "add_effect", Scene::add_effect },
{ "add_optional_effect", Scene::add_optional_effect },
{ "finalize", Scene::finalize },
{ "enable_if", Block_enable_if },
{ "disable", Block_disable },
{ "always_disable_if_disabled", Block_always_disable_if_disabled },
+ { "promise_to_disable_if_enabled", Block_promise_to_disable_if_enabled },
{ "set_int", Block_set_int },
{ "set_float", Block_set_float },
{ "set_vec3", Block_set_vec3 },
return 0;
}
+// NOTE: There's a race condition in all of the audio functions; if the mapping
+// is changed by the user underway, you might not be manipulating the bus you
+// expect. (You should not get crashes, though.) There's not all that much we
+// can do about it, short of locking the entire mixer while anything from the
+// theme runs.
+
+int Nageru_get_num_audio_buses(lua_State *L)
+{
+ if (global_audio_mixer == nullptr) {
+ // The audio mixer isn't set up until we know how many FFmpeg inputs we have.
+ luaL_error(L, "Audio functions can not be called before the theme is done initializing.");
+ }
+ lua_pushinteger(L, global_audio_mixer->num_buses());
+ return 1;
+}
+
+int Nageru_get_audio_bus_name(lua_State *L)
+{
+ if (global_audio_mixer == nullptr) {
+ // The audio mixer isn't set up until we know how many FFmpeg inputs we have.
+ luaL_error(L, "Audio functions can not be called before the theme is done initializing.");
+ }
+ int bus_index = luaL_checknumber(L, 1);
+ InputMapping input_mapping = global_audio_mixer->get_input_mapping();
+ if (bus_index < 0 || size_t(bus_index) >= input_mapping.buses.size()) {
+ // Doesn't fix the race, but fixes other out-of-bounds.
+ print_warning(L, "Theme called get_audio_bus_name() on nonexistent bus %d; returning nil.\n", bus_index);
+ lua_pushnil(L);
+ } else {
+ lua_pushstring(L, input_mapping.buses[bus_index].name.c_str());
+ }
+ return 1;
+}
+
+int Nageru_get_audio_bus_fader_level_db(lua_State *L)
+{
+ if (global_audio_mixer == nullptr) {
+ // The audio mixer isn't set up until we know how many FFmpeg inputs we have.
+ luaL_error(L, "Audio functions can not be called before the theme is done initializing.");
+ }
+
+ int bus_index = luaL_checknumber(L, 1);
+ if (bus_index < 0 || size_t(bus_index) >= global_audio_mixer->num_buses()) {
+ // Doesn't fix the race, but fixes other out-of-bounds.
+ print_warning(L, "Theme called get_audio_bus_fader_level_db() on nonexistent bus %d; returning 0.0.\n", bus_index);
+ lua_pushnumber(L, 0.0);
+ } else {
+ lua_pushnumber(L, global_audio_mixer->get_fader_volume(bus_index));
+ }
+ return 1;
+}
+
+int Nageru_set_audio_bus_fader_level_db(lua_State *L)
+{
+ if (global_audio_mixer == nullptr || global_mainwindow == nullptr) {
+ // The audio mixer isn't set up until we know how many FFmpeg inputs we have.
+ luaL_error(L, "Audio functions can not be called before the theme is done initializing.");
+ }
+
+ int bus_index = luaL_checknumber(L, 1);
+ if (bus_index < 0 || size_t(bus_index) >= global_audio_mixer->num_buses()) {
+ // Doesn't fix the race, but fixes other out-of-bounds.
+ print_warning(L, "Theme called set_audio_bus_fader_level_db() on nonexistent bus %d; ignoring.\n", bus_index);
+ return 0;
+ }
+ double level_db = luaL_checknumber(L, 2);
+
+ // Go through the UI, so that it gets updated.
+ global_mainwindow->set_fader_absolute(bus_index, level_db);
+ return 0;
+}
+
+int Nageru_get_audio_bus_mute(lua_State *L)
+{
+ if (global_audio_mixer == nullptr) {
+ // The audio mixer isn't set up until we know how many FFmpeg inputs we have.
+ luaL_error(L, "Audio functions can not be called before the theme is done initializing.");
+ }
+
+ int bus_index = luaL_checknumber(L, 1);
+ if (bus_index < 0 || size_t(bus_index) >= global_audio_mixer->num_buses()) {
+ // Doesn't fix the race, but fixes other out-of-bounds.
+ print_warning(L, "Theme called get_audio_bus_mute() on nonexistent bus %d; returning false.\n", bus_index);
+ lua_pushboolean(L, false);
+ } else {
+ lua_pushboolean(L, global_audio_mixer->get_mute(bus_index));
+ }
+ return 1;
+}
+
+int Nageru_set_audio_bus_mute(lua_State *L)
+{
+ if (global_audio_mixer == nullptr || global_mainwindow == nullptr) {
+ // The audio mixer isn't set up until we know how many FFmpeg inputs we have.
+ luaL_error(L, "Audio functions can not be called before the theme is done initializing.");
+ }
+
+ int bus_index = luaL_checknumber(L, 1);
+ if (bus_index < 0 || size_t(bus_index) >= global_audio_mixer->num_buses()) {
+ // Doesn't fix the race, but fixes other out-of-bounds.
+ print_warning(L, "Theme called set_audio_bus_mute() on nonexistent bus %d; ignoring.\n", bus_index);
+ return 0;
+ }
+ bool mute = checkbool(L, 2);
+
+ // Go through the UI, so that it gets updated.
+ if (mute != global_audio_mixer->get_mute(bus_index)) {
+ global_mainwindow->toggle_mute(bus_index);
+ }
+ return 0;
+}
+
Theme::Theme(const string &filename, const vector<string> &search_dirs, ResourcePool *resource_pool, unsigned num_cards)
: resource_pool(resource_pool), num_cards(num_cards), signal_to_card_mapping(global_flags.default_stream_mapping)
{
}
const luaL_Reg Nageru_funcs[] = {
+ // Channel information.
{ "set_channel_name", Nageru_set_channel_name },
{ "set_num_channels", Nageru_set_num_channels },
{ "set_channel_signal", Nageru_set_channel_signal },
{ "set_supports_wb", Nageru_set_supports_wb },
- { NULL, NULL }
+
+ // Audio.
+ { "get_num_audio_buses", Nageru_get_num_audio_buses },
+ { "get_audio_bus_name", Nageru_get_audio_bus_name },
+ { "get_audio_bus_fader_level_db", Nageru_get_audio_bus_fader_level_db },
+ { "set_audio_bus_fader_level_db", Nageru_set_audio_bus_fader_level_db },
+ { "get_audio_bus_mute", Nageru_get_audio_bus_mute },
+ { "set_audio_bus_mute", Nageru_set_audio_bus_mute },
+
+ { nullptr, nullptr }
};
lua_pushlightuserdata(L, this);
luaL_setfuncs(L, Nageru_funcs, 1); // for (name,f in funcs) { mt[name] = f, with upvalue {theme} }
return ret;
}
-void Theme::set_wb(unsigned channel, double r, double g, double b)
+void Theme::set_wb(unsigned channel, float r, float g, float b)
{
+ int signal = get_channel_signal(channel);
+
lock_guard<mutex> lock(m);
+ if (signal != -1) {
+ white_balance_for_signal[signal] = RGBTriplet{ r, g, b };
+ }
+
+ call_lua_wb_callback(channel, r, g, b);
+}
+
+void Theme::set_wb_for_signal(int signal, float r, float g, float b)
+{
+ lock_guard<mutex> lock(m);
+ white_balance_for_signal[signal] = RGBTriplet{ r, g, b };
+
+ for (const auto &channel_and_signal : channel_signals) {
+ if (channel_and_signal.second == signal) {
+ call_lua_wb_callback(channel_and_signal.first, r, g, b);
+ }
+ }
+}
+
+void Theme::call_lua_wb_callback(unsigned channel, float r, float g, float b)
+{
lua_getglobal(L, "set_wb");
+ if (lua_isnil(L, -1)) {
+ // The function doesn't exist, to just ignore. We've stored the white balance,
+ // and most likely, it will be picked up by auto white balance instead.
+ lua_pop(L, 1);
+ return;
+ }
lua_pushnumber(L, channel);
lua_pushnumber(L, r);
lua_pushnumber(L, g);
assert(lua_gettop(L) == 0);
}
+RGBTriplet Theme::get_white_balance_for_signal(int signal)
+{
+ if (white_balance_for_signal.count(signal)) {
+ return white_balance_for_signal[signal];
+ } else {
+ return RGBTriplet{ 1.0, 1.0, 1.0 };
+ }
+}
+
vector<string> Theme::get_transition_names(float t)
{
lock_guard<mutex> lock(m);
abort();
}
}
+
+string Theme::format_status_line(const string &disk_space_left_text, double file_length_seconds)
+{
+ lock_guard<mutex> lock(m);
+ lua_getglobal(L, "format_status_line");
+ if (lua_isnil(L, -1)) {
+ lua_pop(L, 1);
+ return disk_space_left_text;
+ }
+
+ lua_pushstring(L, disk_space_left_text.c_str());
+ lua_pushnumber(L, file_length_seconds);
+ if (lua_pcall(L, 2, 1, 0) != 0) {
+ fprintf(stderr, "error running function format_status_line(): %s\n", lua_tostring(L, -1));
+ abort();
+ }
+ string text = checkstdstring(L, 1);
+ lua_pop(L, 1);
+ assert(lua_gettop(L) == 0);
+ return text;
+}
projects / nageru / blobdiff