X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Ftheme.cpp;h=c6cf4515805ad83be506f783d26df92b30ebc103;hb=a60a2c892c08f6fab3a1e6b7cf4343cad8689058;hp=fb1fa2fd7380c5422fc00dba6eb221dccc350f8c;hpb=337e2d06624b4b46eb2e7e5365e2ece219f9f100;p=nageru diff --git a/nageru/theme.cpp b/nageru/theme.cpp index fb1fa2f..c6cf451 100644 --- a/nageru/theme.cpp +++ b/nageru/theme.cpp @@ -636,6 +636,20 @@ int InputStateInfo_get_height(lua_State* L) 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 signal_num = theme->map_signal(luaL_checknumber(L, 2)); + unsigned height = input_state_info->last_height[signal_num]; + if (input_state_info->last_interlaced[signal_num]) { + height *= 2; + } + lua_pushnumber(L, height); + return 1; +} + int InputStateInfo_get_interlaced(lua_State* L) { assert(lua_gettop(L) == 2); @@ -700,6 +714,69 @@ int InputStateInfo_get_last_subtitle(lua_State* L) return 1; } +namespace { + +// Helper function to write e.g. “60” or “59.94”. +string format_frame_rate(int nom, int den) +{ + char buf[256]; + if (nom % den == 0) { + snprintf(buf, sizeof(buf), "%d", nom / den); + } else { + snprintf(buf, sizeof(buf), "%.2f", double(nom) / den); + } + return buf; +} + +// Helper function to write e.g. “720p60”. +string get_human_readable_resolution(const InputStateInfo *input_state_info, int signal_num) +{ + char buf[256]; + if (input_state_info->last_interlaced[signal_num]) { + snprintf(buf, sizeof(buf), "%di", input_state_info->last_height[signal_num] * 2); + + // Show field rate instead of frame rate; really for cosmetics only + // (and actually contrary to EBU recommendations, although in line + // with typical user expectations). + return buf + format_frame_rate(input_state_info->last_frame_rate_nom[signal_num] * 2, + input_state_info->last_frame_rate_den[signal_num]); + } else { + snprintf(buf, sizeof(buf), "%dp", input_state_info->last_height[signal_num]); + return buf + format_frame_rate(input_state_info->last_frame_rate_nom[signal_num], + input_state_info->last_frame_rate_den[signal_num]); + } +} + +} // namespace + +int InputStateInfo_get_human_readable_resolution(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 signal_num = theme->map_signal(luaL_checknumber(L, 2)); + + string str; + if (!input_state_info->last_is_connected[signal_num]) { + str = "disconnected"; + } else if (input_state_info->last_height[signal_num] <= 0) { + str = "no signal"; + } else if (!input_state_info->last_has_signal[signal_num]) { + if (input_state_info->last_height[signal_num] == 525) { + // Special mode for the USB3 cards. + str = "no signal"; + } else { + str = get_human_readable_resolution(input_state_info, signal_num) + ", no signal"; + } + } else { + str = get_human_readable_resolution(input_state_info, signal_num); + } + + lua_pushstring(L, str.c_str()); + return 1; +} + + int EffectBlueprint_set_int(lua_State *L) { assert(lua_gettop(L) == 3); @@ -791,9 +868,11 @@ const luaL_Reg Scene_funcs[] = { const luaL_Reg Block_funcs[] = { { "display", Block_display }, - { "choose_alternative", Block_choose_alternative }, + { "choose", Block_choose }, { "enable", Block_enable }, + { "enable_if", Block_enable_if }, { "disable", Block_disable }, + { "always_disable_if_disabled", Block_always_disable_if_disabled }, { "set_int", Block_set_int }, { "set_float", Block_set_float }, { "set_vec3", Block_set_vec3 }, @@ -914,12 +993,15 @@ const luaL_Reg LiftGammaGainEffect_funcs[] = { 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 }, { "get_frame_rate_nom", InputStateInfo_get_frame_rate_nom }, { "get_frame_rate_den", InputStateInfo_get_frame_rate_den }, { "get_last_subtitle", InputStateInfo_get_last_subtitle }, + { "get_human_readable_resolution", InputStateInfo_get_human_readable_resolution }, { NULL, NULL } }; @@ -1147,6 +1229,7 @@ int call_num_channels(lua_State *L) if (lua_pcall(L, 0, 1, 0) != 0) { fprintf(stderr, "error running function `num_channels': %s\n", lua_tostring(L, -1)); + fprintf(stderr, "Try Nageru.set_num_channels(...) at the start of the script instead.\n"); abort(); } @@ -1158,9 +1241,64 @@ int call_num_channels(lua_State *L) } // namespace +int Nageru_set_channel_name(lua_State *L) +{ + // NOTE: m is already locked. + Theme *theme = get_theme_updata(L); + unsigned channel = luaL_checknumber(L, 1); + const string text = checkstdstring(L, 2); + theme->channel_names[channel] = text; + lua_pop(L, 2); + return 0; +} + +int Nageru_set_num_channels(lua_State *L) +{ + // NOTE: m is already locked. + Theme *theme = get_theme_updata(L); + if (theme->startup_finished) { + luaL_error(L, "set_num_channels() can only be called at startup."); + } + theme->num_channels = luaL_checknumber(L, 1); + lua_pop(L, 1); + return 0; +} + +int Nageru_set_channel_signal(lua_State *L) +{ + // NOTE: m is already locked. + Theme *theme = get_theme_updata(L); + if (theme->startup_finished) { + luaL_error(L, "set_channel_signal() can only be called at startup."); + } + unsigned channel = luaL_checknumber(L, 1); + int signal = luaL_checknumber(L, 2); + theme->channel_signals[channel] = signal; + lua_pop(L, 2); + return 0; +} + +int Nageru_set_supports_wb(lua_State *L) +{ + // NOTE: m is already locked. + Theme *theme = get_theme_updata(L); + if (theme->startup_finished) { + luaL_error(L, "set_supports_wb() can only be called at startup."); + } + unsigned channel = luaL_checknumber(L, 1); + bool supports_wb = checkbool(L, 2); + theme->channel_supports_wb[channel] = supports_wb; + lua_pop(L, 2); + return 0; +} + Theme::Theme(const string &filename, const vector &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); @@ -1228,7 +1366,7 @@ Theme::Theme(const string &filename, const vector &search_dirs, Resource } // Set up the API we provide. - register_constants(); + register_globals(); register_class("Scene", Scene_funcs); register_class("Block", Block_funcs); register_class("EffectBlueprint", EffectBlueprint_funcs); @@ -1237,16 +1375,16 @@ Theme::Theme(const string &filename, const vector &search_dirs, Resource register_class("ImageInput", ImageInput_funcs); register_class("VideoInput", VideoInput_funcs); register_class("HTMLInput", HTMLInput_funcs); - register_class("IdentityEffect", IdentityEffect_funcs); - register_class("WhiteBalanceEffect", WhiteBalanceEffect_funcs); - register_class("ResampleEffect", ResampleEffect_funcs); - register_class("PaddingEffect", PaddingEffect_funcs); - register_class("IntegralPaddingEffect", IntegralPaddingEffect_funcs); - register_class("OverlayEffect", OverlayEffect_funcs); - register_class("ResizeEffect", ResizeEffect_funcs); - register_class("MultiplyEffect", MultiplyEffect_funcs); - register_class("MixEffect", MixEffect_funcs); - register_class("LiftGammaGainEffect", LiftGammaGainEffect_funcs); + register_class("IdentityEffect", IdentityEffect_funcs, IDENTITY_EFFECT); + register_class("WhiteBalanceEffect", WhiteBalanceEffect_funcs, WHITE_BALANCE_EFFECT); + register_class("ResampleEffect", ResampleEffect_funcs, RESAMPLE_EFFECT); + register_class("PaddingEffect", PaddingEffect_funcs, PADDING_EFFECT); + register_class("IntegralPaddingEffect", IntegralPaddingEffect_funcs, INTEGRAL_PADDING_EFFECT); + register_class("OverlayEffect", OverlayEffect_funcs, OVERLAY_EFFECT); + register_class("ResizeEffect", ResizeEffect_funcs, RESIZE_EFFECT); + register_class("MultiplyEffect", MultiplyEffect_funcs, MULTIPLY_EFFECT); + register_class("MixEffect", MixEffect_funcs, MIX_EFFECT); + register_class("LiftGammaGainEffect", LiftGammaGainEffect_funcs, LIFT_GAMMA_GAIN_EFFECT); register_class("InputStateInfo", InputStateInfo_funcs); register_class("ThemeMenu", ThemeMenu_funcs); @@ -1259,21 +1397,27 @@ Theme::Theme(const string &filename, const vector &search_dirs, Resource } assert(lua_gettop(L) == 0); - // Ask it for the number of channels. - num_channels = call_num_channels(L); + if (num_channels == -1) { + // Ask it for the number of channels. + num_channels = call_num_channels(L); + } + startup_finished = true; } Theme::~Theme() { + theme_menu.reset(); lua_close(L); } -void Theme::register_constants() +void Theme::register_globals() { // Set Nageru.VIDEO_FORMAT_BGRA = bmusb::PixelFormat_8BitBGRA, etc. const vector> num_constants = { { "VIDEO_FORMAT_BGRA", bmusb::PixelFormat_8BitBGRA }, { "VIDEO_FORMAT_YCBCR", bmusb::PixelFormat_8BitYCbCrPlanar }, + { "CHECKABLE", MenuEntry::CHECKABLE }, + { "CHECKED", MenuEntry::CHECKED }, }; const vector> str_constants = { { "THEME_PATH", theme_path }, @@ -1292,11 +1436,21 @@ void Theme::register_constants() lua_settable(L, 1); // t[key] = value } + const luaL_Reg Nageru_funcs[] = { + { "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 } + }; + lua_pushlightuserdata(L, this); + luaL_setfuncs(L, Nageru_funcs, 1); // for (name,f in funcs) { mt[name] = f, with upvalue {theme} } + lua_setglobal(L, "Nageru"); // Nageru = t assert(lua_gettop(L) == 0); } -void Theme::register_class(const char *class_name, const luaL_Reg *funcs) +void Theme::register_class(const char *class_name, const luaL_Reg *funcs, EffectType effect_type) { assert(lua_gettop(L) == 0); luaL_newmetatable(L, class_name); // mt = {} @@ -1304,6 +1458,10 @@ void Theme::register_class(const char *class_name, const luaL_Reg *funcs) luaL_setfuncs(L, funcs, 1); // for (name,f in funcs) { mt[name] = f, with upvalue {theme} } lua_pushvalue(L, -1); lua_setfield(L, -2, "__index"); // mt.__index = mt + if (effect_type != NO_EFFECT_TYPE) { + lua_pushnumber(L, effect_type); + lua_setfield(L, -2, "__effect_type_id"); // mt.__effect_type_id = effect_type + } lua_setglobal(L, class_name); // ClassName = mt assert(lua_gettop(L) == 0); } @@ -1414,7 +1572,23 @@ Theme::Chain Theme::get_chain(unsigned num, float t, unsigned width, unsigned he string Theme::get_channel_name(unsigned channel) { lock_guard 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); + if (channel_names.count(channel)) { + return channel_names[channel]; + } else { + return "(no title)"; + } + } + lua_pushnumber(L, channel); if (lua_pcall(L, 1, 1, 0) != 0) { fprintf(stderr, "error running function `channel_name': %s\n", lua_tostring(L, -1)); @@ -1423,6 +1597,7 @@ string Theme::get_channel_name(unsigned channel) const char *ret = lua_tostring(L, -1); if (ret == nullptr) { fprintf(stderr, "function `channel_name' returned nil for channel %d\n", channel); + fprintf(stderr, "Try Nageru.set_channel_name(channel, name) at the start of the script instead.\n"); abort(); } @@ -1436,9 +1611,19 @@ int Theme::get_channel_signal(unsigned channel) { lock_guard lock(m); lua_getglobal(L, "channel_signal"); + if (lua_isnil(L, -1)) { + lua_pop(L, 1); + if (channel_signals.count(channel)) { + return channel_signals[channel]; + } else { + return -1; + } + } + lua_pushnumber(L, channel); if (lua_pcall(L, 1, 1, 0) != 0) { fprintf(stderr, "error running function `channel_signal': %s\n", lua_tostring(L, -1)); + fprintf(stderr, "Try Nageru.set_channel_signal(channel, signal) at the start of the script instead.\n"); abort(); } @@ -1474,9 +1659,19 @@ bool Theme::get_supports_set_wb(unsigned channel) { lock_guard lock(m); lua_getglobal(L, "supports_set_wb"); + if (lua_isnil(L, -1)) { + lua_pop(L, 1); + if (channel_supports_wb.count(channel)) { + return channel_supports_wb[channel]; + } else { + return false; + } + } + lua_pushnumber(L, channel); if (lua_pcall(L, 1, 1, 0) != 0) { fprintf(stderr, "error running function `supports_set_wb': %s\n", lua_tostring(L, -1)); + fprintf(stderr, "Try Nageru.set_supports_wb(channel, bool) at the start of the script instead.\n"); abort(); } @@ -1592,25 +1787,78 @@ void Theme::channel_clicked(int preview_num) assert(lua_gettop(L) == 0); } -int Theme::set_theme_menu(lua_State *L) +template +void destroy(T &ref) { - for (const Theme::MenuEntry &entry : theme_menu) { - luaL_unref(L, LUA_REGISTRYINDEX, entry.lua_ref); + ref.~T(); +} + +Theme::MenuEntry::~MenuEntry() +{ + if (is_submenu) { + destroy(submenu); + } else { + luaL_unref(entry.L, LUA_REGISTRYINDEX, entry.lua_ref); } - theme_menu.clear(); +} - int num_elements = lua_gettop(L); - for (int i = 1; i <= num_elements; ++i) { - lua_rawgeti(L, i, 1); - const string text = checkstdstring(L, -1); +namespace { + +vector> create_recursive_theme_menu(lua_State *L); + +unique_ptr create_theme_menu_entry(lua_State *L, int index) +{ + unique_ptr entry; + + lua_rawgeti(L, index, 1); + 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, i, 2); + lua_rawgeti(L, index, 2); + if (lua_istable(L, -1)) { + vector> submenu = create_recursive_theme_menu(L); + entry.reset(new Theme::MenuEntry{ text, move(submenu) }); + lua_pop(L, 1); + } else { luaL_checktype(L, -1, LUA_TFUNCTION); int ref = luaL_ref(L, LUA_REGISTRYINDEX); + entry.reset(new Theme::MenuEntry{ text, L, ref, flags }); + } + return entry; +} - theme_menu.push_back(MenuEntry{ text, ref }); +vector> create_recursive_theme_menu(lua_State *L) +{ + vector> menu; + size_t num_elements = lua_objlen(L, -1); + for (size_t i = 1; i <= num_elements; ++i) { + lua_rawgeti(L, -1, i); + menu.emplace_back(create_theme_menu_entry(L, -1)); + lua_pop(L, 1); } + return menu; +} + +} // namespace + +int Theme::set_theme_menu(lua_State *L) +{ + theme_menu.reset(); + + vector> root_menu; + int num_elements = lua_gettop(L); + for (int i = 1; i <= num_elements; ++i) { + root_menu.emplace_back(create_theme_menu_entry(L, i)); + } + theme_menu.reset(new MenuEntry("", move(root_menu))); + lua_pop(L, num_elements); assert(lua_gettop(L) == 0);