#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);
last_is_connected[signal_num] = userdata->last_is_connected;
last_frame_rate_nom[signal_num] = userdata->last_frame_rate_nom;
last_frame_rate_den[signal_num] = userdata->last_frame_rate_den;
+ last_pixel_format[signal_num] = userdata->pixel_format;
has_last_subtitle[signal_num] = userdata->has_last_subtitle;
last_subtitle[signal_num] = userdata->last_subtitle;
}
case IDENTITY_EFFECT:
return new IdentityEffect;
case WHITE_BALANCE_EFFECT:
+ case AUTO_WHITE_BALANCE_EFFECT:
return new WhiteBalanceEffect;
case RESAMPLE_EFFECT:
return new ResampleEffect;
InputStateInfo *input_state_info = get_input_state_info(L, 1);
Theme *theme = get_theme_updata(L);
- int signal_num = theme->map_signal(luaL_checknumber(L, 2));
- lua_pushnumber(L, input_state_info->last_width[signal_num]);
+ int card_idx = theme->map_signal_to_card(luaL_checknumber(L, 2));
+ lua_pushnumber(L, input_state_info->last_width[card_idx]);
return 1;
}
assert(lua_gettop(L) == 2);
InputStateInfo *input_state_info = get_input_state_info(L, 1);
Theme *theme = get_theme_updata(L);
- int signal_num = theme->map_signal(luaL_checknumber(L, 2));
- lua_pushnumber(L, input_state_info->last_height[signal_num]);
+ int card_idx = theme->map_signal_to_card(luaL_checknumber(L, 2));
+ lua_pushnumber(L, input_state_info->last_height[card_idx]);
+ return 1;
+}
+
+int InputStateInfo_get_frame_height(lua_State* L)
+{
+ assert(lua_gettop(L) == 2);
+ InputStateInfo *input_state_info = get_input_state_info(L, 1);
+ Theme *theme = get_theme_updata(L);
+ int card_idx = theme->map_signal_to_card(luaL_checknumber(L, 2));
+ unsigned height = input_state_info->last_height[card_idx];
+ if (input_state_info->last_interlaced[card_idx]) {
+ height *= 2;
+ }
+ lua_pushnumber(L, height);
return 1;
}
assert(lua_gettop(L) == 2);
InputStateInfo *input_state_info = get_input_state_info(L, 1);
Theme *theme = get_theme_updata(L);
- int signal_num = theme->map_signal(luaL_checknumber(L, 2));
- lua_pushboolean(L, input_state_info->last_interlaced[signal_num]);
+ int card_idx = theme->map_signal_to_card(luaL_checknumber(L, 2));
+ lua_pushboolean(L, input_state_info->last_interlaced[card_idx]);
return 1;
}
assert(lua_gettop(L) == 2);
InputStateInfo *input_state_info = get_input_state_info(L, 1);
Theme *theme = get_theme_updata(L);
- int signal_num = theme->map_signal(luaL_checknumber(L, 2));
- lua_pushboolean(L, input_state_info->last_has_signal[signal_num]);
+ int card_idx = theme->map_signal_to_card(luaL_checknumber(L, 2));
+ lua_pushboolean(L, input_state_info->last_has_signal[card_idx]);
return 1;
}
assert(lua_gettop(L) == 2);
InputStateInfo *input_state_info = get_input_state_info(L, 1);
Theme *theme = get_theme_updata(L);
- int signal_num = theme->map_signal(luaL_checknumber(L, 2));
- lua_pushboolean(L, input_state_info->last_is_connected[signal_num]);
+ int card_idx = theme->map_signal_to_card(luaL_checknumber(L, 2));
+ lua_pushboolean(L, input_state_info->last_is_connected[card_idx]);
return 1;
}
assert(lua_gettop(L) == 2);
InputStateInfo *input_state_info = get_input_state_info(L, 1);
Theme *theme = get_theme_updata(L);
- int signal_num = theme->map_signal(luaL_checknumber(L, 2));
- lua_pushnumber(L, input_state_info->last_frame_rate_nom[signal_num]);
+ int card_idx = theme->map_signal_to_card(luaL_checknumber(L, 2));
+ lua_pushnumber(L, input_state_info->last_frame_rate_nom[card_idx]);
return 1;
}
assert(lua_gettop(L) == 2);
InputStateInfo *input_state_info = get_input_state_info(L, 1);
Theme *theme = get_theme_updata(L);
- int signal_num = theme->map_signal(luaL_checknumber(L, 2));
- lua_pushnumber(L, input_state_info->last_frame_rate_den[signal_num]);
+ int card_idx = theme->map_signal_to_card(luaL_checknumber(L, 2));
+ lua_pushnumber(L, input_state_info->last_frame_rate_den[card_idx]);
return 1;
}
assert(lua_gettop(L) == 2);
InputStateInfo *input_state_info = get_input_state_info(L, 1);
Theme *theme = get_theme_updata(L);
- int signal_num = theme->map_signal(luaL_checknumber(L, 2));
- if (!input_state_info->has_last_subtitle[signal_num]) {
+ int card_idx = theme->map_signal_to_card(luaL_checknumber(L, 2));
+ if (!input_state_info->has_last_subtitle[card_idx]) {
lua_pushnil(L);
} else {
- lua_pushstring(L, input_state_info->last_subtitle[signal_num].c_str());
+ lua_pushstring(L, input_state_info->last_subtitle[card_idx].c_str());
}
return 1;
}
assert(lua_gettop(L) == 2);
InputStateInfo *input_state_info = get_input_state_info(L, 1);
Theme *theme = get_theme_updata(L);
- int signal_num = theme->map_signal(luaL_checknumber(L, 2));
+ int card_idx = theme->map_signal_to_card(luaL_checknumber(L, 2));
string str;
- if (!input_state_info->last_is_connected[signal_num]) {
+ if (!input_state_info->last_is_connected[card_idx]) {
str = "disconnected";
- } else if (input_state_info->last_height[signal_num]) {
+ } else if (input_state_info->last_height[card_idx] <= 0) {
str = "no signal";
- } else if (!input_state_info->last_has_signal[signal_num]) {
- if (input_state_info->last_height[signal_num]) {
+ } else if (!input_state_info->last_has_signal[card_idx]) {
+ if (input_state_info->last_height[card_idx] == 525) {
// Special mode for the USB3 cards.
str = "no signal";
} else {
- str = get_human_readable_resolution(input_state_info, signal_num) + ", no signal";
+ str = get_human_readable_resolution(input_state_info, card_idx) + ", no signal";
}
} else {
- str = get_human_readable_resolution(input_state_info, signal_num);
+ str = get_human_readable_resolution(input_state_info, card_idx);
}
lua_pushstring(L, str.c_str());
{ "new", Scene_new },
{ "__gc", Scene_gc },
{ "add_input", Scene::add_input },
+ { "add_white_balance", Scene::add_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 },
const luaL_Reg InputStateInfo_funcs[] = {
{ "get_width", InputStateInfo_get_width },
{ "get_height", InputStateInfo_get_height },
+ { "get_frame_width", InputStateInfo_get_width }, // Same as get_width().
+ { "get_frame_height", InputStateInfo_get_frame_height },
{ "get_interlaced", InputStateInfo_get_interlaced },
{ "get_has_signal", InputStateInfo_get_has_signal },
{ "get_is_connected", InputStateInfo_get_is_connected },
return true;
}
- signal_num = theme->map_signal(signal_num);
- connect_signal_raw(signal_num, *theme->input_state);
+ int card_idx = theme->map_signal_to_card(signal_num);
+ connect_card(card_idx, *theme->input_state);
return true;
}
-void LiveInputWrapper::connect_signal_raw(int signal_num, const InputState &input_state)
+void LiveInputWrapper::connect_card(int card_idx, const InputState &input_state)
{
- BufferedFrame first_frame = input_state.buffered_frames[signal_num][0];
+ BufferedFrame first_frame = input_state.buffered_frames[card_idx][0];
if (first_frame.frame == nullptr) {
// No data yet.
return;
}
}
- movit::YCbCrLumaCoefficients ycbcr_coefficients = input_state.ycbcr_coefficients[signal_num];
- bool full_range = input_state.full_range[signal_num];
+ movit::YCbCrLumaCoefficients ycbcr_coefficients = input_state.ycbcr_coefficients[card_idx];
+ bool full_range = input_state.full_range[card_idx];
- if (input_state.ycbcr_coefficients_auto[signal_num]) {
+ if (input_state.ycbcr_coefficients_auto[card_idx]) {
full_range = false;
// The Blackmagic driver docs claim that the device outputs Y'CbCr
BufferedFrame last_good_frame = first_frame;
for (unsigned i = 0; i < max(ycbcr_inputs.size(), rgba_inputs.size()); ++i) {
- BufferedFrame frame = input_state.buffered_frames[signal_num][i];
+ BufferedFrame frame = input_state.buffered_frames[card_idx][i];
if (frame.frame == nullptr) {
// Not enough data; reuse last frame (well, field).
// This is suboptimal, but we have nothing better.
}
if (deinterlace) {
- BufferedFrame frame = input_state.buffered_frames[signal_num][0];
+ BufferedFrame frame = input_state.buffered_frames[card_idx][0];
CHECK(deinterlace_effect->set_int("current_field_position", frame.field_number));
}
}
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;
+}
+
+int Nageru_get_audio_bus_eq_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);
+ int band = luaL_checknumber(L, 2);
+ 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_eq_level_db() on nonexistent bus %d; returning 0.0.\n", bus_index);
+ lua_pushnumber(L, 0.0);
+ } else if (band != EQ_BAND_BASS && band != EQ_BAND_MID && band != EQ_BAND_TREBLE) {
+ print_warning(L, "Theme called get_audio_bus_eq_level_db() on nonexistent band; returning 0.0.\n", bus_index);
+ lua_pushnumber(L, 0.0);
+ } else {
+ lua_pushnumber(L, global_audio_mixer->get_eq(bus_index, EQBand(band)));
+ }
+ return 1;
+}
+
+int Nageru_set_audio_bus_eq_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);
+ int band = luaL_checknumber(L, 2);
+ 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_eq_level_db() on nonexistent bus %d; ignoring.\n", bus_index);
+ return 0;
+ } else if (band != EQ_BAND_BASS && band != EQ_BAND_MID && band != EQ_BAND_TREBLE) {
+ print_warning(L, "Theme called set_audio_bus_eq_level_db() on nonexistent band; returning 0.0.\n", bus_index);
+ return 0;
+ }
+ double level_db = luaL_checknumber(L, 3);
+
+ // Go through the UI, so that it gets updated.
+ global_mainwindow->set_eq_absolute(bus_index, EQBand(band), level_db);
+ 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)
{
+ // Defaults.
+ channel_names[0] = "Live";
+ channel_names[1] = "Preview";
+
L = luaL_newstate();
luaL_openlibs(L);
const vector<pair<string, int>> num_constants = {
{ "VIDEO_FORMAT_BGRA", bmusb::PixelFormat_8BitBGRA },
{ "VIDEO_FORMAT_YCBCR", bmusb::PixelFormat_8BitYCbCrPlanar },
+ { "CHECKABLE", MenuEntry::CHECKABLE },
+ { "CHECKED", MenuEntry::CHECKED },
+ { "EQ_BAND_BASS", EQ_BAND_BASS },
+ { "EQ_BAND_MID", EQ_BAND_MID },
+ { "EQ_BAND_TREBLE", EQ_BAND_TREBLE },
};
const vector<pair<string, string>> str_constants = {
{ "THEME_PATH", theme_path },
}
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_eq_level_db", Nageru_get_audio_bus_eq_level_db },
+ { "set_audio_bus_eq_level_db", Nageru_set_audio_bus_eq_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} }
// each FFmpeg or CEF input, so we'll do it here.
if (video_signal_connections.count(effect_chain)) {
for (const VideoSignalConnection &conn : video_signal_connections[effect_chain]) {
- conn.wrapper->connect_signal_raw(conn.source->get_card_index(), input_state);
+ conn.wrapper->connect_card(conn.source->get_card_index(), input_state);
}
}
#ifdef HAVE_CEF
if (html_signal_connections.count(effect_chain)) {
for (const CEFSignalConnection &conn : html_signal_connections[effect_chain]) {
- conn.wrapper->connect_signal_raw(conn.source->get_card_index(), input_state);
+ conn.wrapper->connect_card(conn.source->get_card_index(), input_state);
}
}
#endif
{
lock_guard<mutex> lock(m);
+ // We never ask the legacy channel_name() about live and preview.
+ // The defaults are set in our constructor.
+ if (channel == 0 || channel == 1) {
+ return channel_names[channel];
+ }
+
lua_getglobal(L, "channel_name");
if (lua_isnil(L, -1)) {
lua_pop(L, 1);
return retstr;
}
-int Theme::get_channel_signal(unsigned channel)
+int Theme::map_channel_to_signal(unsigned channel)
{
lock_guard<mutex> lock(m);
lua_getglobal(L, "channel_signal");
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 = map_channel_to_signal(channel);
+
lock_guard<mutex> lock(m);
+ if (signal != -1) {
+ int card_idx = map_signal_to_card(signal);
+ white_balance_for_card[card_idx] = RGBTriplet{ r, g, b };
+ }
+
+ call_lua_wb_callback(channel, r, g, b);
+}
+
+void Theme::set_wb_for_card(int card_idx, float r, float g, float b)
+{
+ lock_guard<mutex> lock(m);
+ white_balance_for_card[card_idx] = RGBTriplet{ r, g, b };
+
+ for (const auto &channel_and_signal : channel_signals) {
+ if (map_signal_to_card(channel_and_signal.second) == card_idx) {
+ 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_card(int card_idx)
+{
+ if (white_balance_for_card.count(card_idx)) {
+ return white_balance_for_card[card_idx];
+ } else {
+ return RGBTriplet{ 1.0, 1.0, 1.0 };
+ }
+}
+
vector<string> Theme::get_transition_names(float t)
{
lock_guard<mutex> lock(m);
return ret;
}
-int Theme::map_signal(int signal_num)
+int Theme::map_signal_to_card(int signal_num)
{
// Negative numbers map to raw signals.
if (signal_num < 0) {
return card_index;
}
-void Theme::set_signal_mapping(int signal_num, int card_num)
+void Theme::set_signal_mapping(int signal_num, int card_idx)
{
lock_guard<mutex> lock(map_m);
- assert(card_num < int(num_cards));
- signal_to_card_mapping[signal_num] = card_num;
+ assert(card_idx < int(num_cards));
+ signal_to_card_mapping[signal_num] = card_idx;
}
void Theme::transition_clicked(int transition_num, float t)
Theme::MenuEntry::~MenuEntry()
{
if (is_submenu) {
- luaL_unref(entry.L, LUA_REGISTRYINDEX, entry.lua_ref);
- } else {
destroy(submenu);
+ } else {
+ luaL_unref(entry.L, LUA_REGISTRYINDEX, entry.lua_ref);
}
}
const string text = checkstdstring(L, -1);
lua_pop(L, 1);
+ unsigned flags = 0;
+ if (lua_objlen(L, -1) > 2) {
+ lua_rawgeti(L, -1, 3);
+ flags = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ }
+
lua_rawgeti(L, index, 2);
if (lua_istable(L, -1)) {
vector<unique_ptr<Theme::MenuEntry>> submenu = create_recursive_theme_menu(L);
} else {
luaL_checktype(L, -1, LUA_TFUNCTION);
int ref = luaL_ref(L, LUA_REGISTRYINDEX);
- entry.reset(new Theme::MenuEntry{ text, L, ref });
+ entry.reset(new Theme::MenuEntry{ text, L, ref, flags });
}
return entry;
}
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;
+}