X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Ftheme.cpp;h=162c3bc5b7f5a90ba3fd54ed047e82abdb0d6daa;hb=f9024d141398e69e7b4011becd3ebbe37eaa1776;hp=d31a4b948f42384c3d554d6a8069ab54b0e5b5d6;hpb=5a8cccb37e6832197fac3afa0fa39cf83283d5af;p=nageru diff --git a/nageru/theme.cpp b/nageru/theme.cpp index d31a4b9..162c3bc 100644 --- a/nageru/theme.cpp +++ b/nageru/theme.cpp @@ -116,6 +116,7 @@ Effect *instantiate_effect(EffectChain *chain, EffectType effect_type) case IDENTITY_EFFECT: return new IdentityEffect; case WHITE_BALANCE_EFFECT: + case AUTO_WHITE_BALANCE_EFFECT: return new WhiteBalanceEffect; case RESAMPLE_EFFECT: return new ResampleEffect; @@ -636,6 +637,20 @@ 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 +715,69 @@ 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); @@ -783,6 +861,7 @@ const luaL_Reg Scene_funcs[] = { { "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 }, @@ -795,6 +874,8 @@ const luaL_Reg Block_funcs[] = { { "enable", Block_enable }, { "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 }, @@ -915,12 +996,15 @@ 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 } }; @@ -1148,6 +1232,7 @@ 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(); } @@ -1159,9 +1244,64 @@ 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); @@ -1229,7 +1369,7 @@ 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); @@ -1260,21 +1400,27 @@ 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 }, @@ -1293,6 +1439,16 @@ 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); } @@ -1419,7 +1575,23 @@ 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)); @@ -1428,6 +1600,7 @@ 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(); } @@ -1441,9 +1614,19 @@ 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(); } @@ -1479,9 +1662,19 @@ 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(); } @@ -1491,10 +1684,39 @@ bool Theme::get_supports_set_wb(unsigned channel) 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 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 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); @@ -1507,6 +1729,15 @@ void Theme::set_wb(unsigned channel, double r, double g, double b) 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 Theme::get_transition_names(float t) { lock_guard lock(m); @@ -1597,25 +1828,78 @@ 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); @@ -1635,3 +1919,24 @@ void Theme::theme_menu_entry_clicked(int lua_ref) abort(); } } + +string Theme::format_status_line(const string &disk_space_left_text, double file_length_seconds) +{ + lock_guard 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; +}