X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Ftheme.cpp;h=a88c6f61c70034bcf1c104804852b1e5364aaeca;hb=f34a3e1bbc207541842e0b54d5418d95bafc8e5b;hp=aa2d59a1e09032c49771a5b24e6b2ce4d9efc109;hpb=78ea8010afc1d711e99b1f403f2d9679dfc4bed2;p=nageru diff --git a/nageru/theme.cpp b/nageru/theme.cpp index aa2d59a..a88c6f6 100644 --- a/nageru/theme.cpp +++ b/nageru/theme.cpp @@ -3,6 +3,7 @@ #include #include #include +#include #include #include #include @@ -28,6 +29,7 @@ #include #include +#include "audio_mixer.h" #include "defs.h" #ifdef HAVE_CEF #include "cef_capture.h" @@ -36,7 +38,10 @@ #include "flags.h" #include "image_input.h" #include "input_state.h" +#include "lua_utils.h" +#include "mainwindow.h" #include "pbo_frame_allocator.h" +#include "scene.h" class Mixer; @@ -49,33 +54,35 @@ using namespace movit; 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); return (Theme *)lua_touserdata(L, lua_upvalueindex(1)); } +void print_warning(lua_State* L, const char *format, ...) +{ + char buf[4096]; + va_list ap; + va_start(ap, format); + vsnprintf(buf, sizeof(buf), format, ap); + va_end(ap); + + lua_Debug ar; + lua_getstack(L, 1, &ar); + lua_getinfo(L, "nSl", &ar); + fprintf(stderr, "WARNING: %s:%d: %s", ar.source, ar.currentline, buf); +} + int ThemeMenu_set(lua_State *L) { Theme *theme = get_theme_updata(L); return theme->set_theme_menu(L); } -namespace { - -// Contains basically the same data as InputState, but does not hold on to -// a reference to the frames. This is important so that we can release them -// without having to wait for Lua's GC. -struct InputStateInfo { - InputStateInfo(const InputState& input_state); - - unsigned last_width[MAX_VIDEO_CARDS], last_height[MAX_VIDEO_CARDS]; - bool last_interlaced[MAX_VIDEO_CARDS], last_has_signal[MAX_VIDEO_CARDS], last_is_connected[MAX_VIDEO_CARDS]; - unsigned last_frame_rate_nom[MAX_VIDEO_CARDS], last_frame_rate_den[MAX_VIDEO_CARDS]; - bool has_last_subtitle[MAX_VIDEO_CARDS]; - std::string last_subtitle[MAX_VIDEO_CARDS]; -}; - InputStateInfo::InputStateInfo(const InputState &input_state) { for (unsigned signal_num = 0; signal_num < MAX_VIDEO_CARDS; ++signal_num) { @@ -95,80 +102,86 @@ InputStateInfo::InputStateInfo(const InputState &input_state) 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; } } -class LuaRefWithDeleter { +// An effect that does nothing. +class IdentityEffect : public Effect { public: - LuaRefWithDeleter(mutex *m, lua_State *L, int ref) : m(m), L(L), ref(ref) {} - ~LuaRefWithDeleter() { - lock_guard lock(*m); - luaL_unref(L, LUA_REGISTRYINDEX, ref); - } - int get() const { return ref; } - -private: - LuaRefWithDeleter(const LuaRefWithDeleter &) = delete; - - mutex *m; - lua_State *L; - int ref; + IdentityEffect() {} + string effect_type_id() const override { return "IdentityEffect"; } + string output_fragment_shader() override { return read_file("identity.frag"); } }; -template -int wrap_lua_object(lua_State* L, const char *class_name, Args&&... args) -{ - // Construct the C++ object and put it on the stack. - void *mem = lua_newuserdata(L, sizeof(T)); - new(mem) T(forward(args)...); - - // Look up the metatable named , and set it on the new object. - luaL_getmetatable(L, class_name); - lua_setmetatable(L, -2); - - return 1; +Effect *instantiate_effect(EffectChain *chain, EffectType effect_type) +{ + switch (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; + case PADDING_EFFECT: + return new PaddingEffect; + case INTEGRAL_PADDING_EFFECT: + return new IntegralPaddingEffect; + case OVERLAY_EFFECT: + return new OverlayEffect; + case RESIZE_EFFECT: + return new ResizeEffect; + case MULTIPLY_EFFECT: + return new MultiplyEffect; + case MIX_EFFECT: + return new MixEffect; + case LIFT_GAMMA_GAIN_EFFECT: + return new LiftGammaGainEffect; + default: + fprintf(stderr, "Unhandled effect type %d\n", effect_type); + abort(); + } } -// Like wrap_lua_object, but the object is not owned by Lua; ie. it's not freed -// by Lua GC. This is typically the case for Effects, which are owned by EffectChain -// and expected to be destructed by it. The object will be of type T** instead of T* -// when exposed to Lua. -// -// Note that we currently leak if you allocate an Effect in this way and never call -// add_effect. We should see if there's a way to e.g. set __gc on it at construction time -// and then release that once add_effect() takes ownership. -template -int wrap_lua_object_nonowned(lua_State* L, const char *class_name, Args&&... args) +namespace { + +Effect *get_effect_from_blueprint(EffectChain *chain, lua_State *L, int idx) { - // Construct the pointer ot the C++ object and put it on the stack. - T **obj = (T **)lua_newuserdata(L, sizeof(T *)); - *obj = new T(forward(args)...); + EffectBlueprint *blueprint = *(EffectBlueprint **)luaL_checkudata(L, idx, "EffectBlueprint"); + if (blueprint->effect != nullptr) { + luaL_error(L, "An effect can currently only be added to one chain.\n"); + } - // Look up the metatable named , and set it on the new object. - luaL_getmetatable(L, class_name); - lua_setmetatable(L, -2); + Effect *effect = instantiate_effect(chain, blueprint->effect_type); - return 1; -} - -Effect *get_effect(lua_State *L, int idx) -{ - if (luaL_testudata(L, idx, "WhiteBalanceEffect") || - luaL_testudata(L, idx, "ResampleEffect") || - luaL_testudata(L, idx, "PaddingEffect") || - luaL_testudata(L, idx, "IntegralPaddingEffect") || - luaL_testudata(L, idx, "OverlayEffect") || - luaL_testudata(L, idx, "ResizeEffect") || - luaL_testudata(L, idx, "MultiplyEffect") || - luaL_testudata(L, idx, "MixEffect") || - luaL_testudata(L, idx, "LiftGammaGainEffect") || - luaL_testudata(L, idx, "ImageInput")) { - return *(Effect **)lua_touserdata(L, idx); + // Set the parameters that were deferred earlier. + for (const auto &kv : blueprint->int_parameters) { + if (!effect->set_int(kv.first, kv.second)) { + luaL_error(L, "Effect refused set_int(\"%s\", %d) (invalid key?)", kv.first.c_str(), kv.second); + } } - luaL_error(L, "Error: Index #%d was not an Effect type\n", idx); - return nullptr; + for (const auto &kv : blueprint->float_parameters) { + if (!effect->set_float(kv.first, kv.second)) { + luaL_error(L, "Effect refused set_float(\"%s\", %f) (invalid key?)", kv.first.c_str(), kv.second); + } + } + for (const auto &kv : blueprint->vec3_parameters) { + if (!effect->set_vec3(kv.first, kv.second.data())) { + luaL_error(L, "Effect refused set_vec3(\"%s\", %f, %f, %f) (invalid key?)", kv.first.c_str(), + kv.second[0], kv.second[1], kv.second[2]); + } + } + for (const auto &kv : blueprint->vec4_parameters) { + if (!effect->set_vec4(kv.first, kv.second.data())) { + luaL_error(L, "Effect refused set_vec4(\"%s\", %f, %f, %f, %f) (invalid key?)", kv.first.c_str(), + kv.second[0], kv.second[1], kv.second[2], kv.second[3]); + } + } + blueprint->effect = effect; + return effect; } InputStateInfo *get_input_state_info(lua_State *L, int idx) @@ -180,6 +193,8 @@ InputStateInfo *get_input_state_info(lua_State *L, int idx) return nullptr; } +} // namespace + bool checkbool(lua_State* L, int idx) { luaL_checktype(L, idx, LUA_TBOOLEAN); @@ -193,6 +208,28 @@ string checkstdstring(lua_State *L, int index) return string(cstr, len); } +namespace { + +int Scene_new(lua_State* L) +{ + assert(lua_gettop(L) == 2); + Theme *theme = get_theme_updata(L); + int aspect_w = luaL_checknumber(L, 1); + int aspect_h = luaL_checknumber(L, 2); + + return wrap_lua_object(L, "Scene", theme, aspect_w, aspect_h); +} + +int Scene_gc(lua_State* L) +{ + assert(lua_gettop(L) == 1); + Scene *chain = (Scene *)luaL_checkudata(L, 1, "Scene"); + chain->~Scene(); + return 0; +} + +} // namespace + void add_outputs_and_finalize(EffectChain *chain, bool is_main_chain) { // Add outputs as needed. @@ -223,9 +260,9 @@ void add_outputs_and_finalize(EffectChain *chain, bool is_main_chain) } output_ycbcr_format.full_range = false; - output_ycbcr_format.num_levels = 1 << global_flags.x264_bit_depth; + output_ycbcr_format.num_levels = 1 << global_flags.bit_depth; - GLenum type = global_flags.x264_bit_depth > 8 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_BYTE; + GLenum type = global_flags.bit_depth > 8 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_BYTE; chain->add_ycbcr_output(inout_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, output_ycbcr_format, YCBCR_OUTPUT_SPLIT_Y_AND_CBCR, type); @@ -235,7 +272,7 @@ void add_outputs_and_finalize(EffectChain *chain, bool is_main_chain) if (global_flags.use_zerocopy) { chain->add_ycbcr_output(inout_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, output_ycbcr_format, YCBCR_OUTPUT_INTERLEAVED, type); // Add a copy where we'll only be using the Y component. } - chain->set_dither_bits(global_flags.x264_bit_depth > 8 ? 16 : 8); + chain->set_dither_bits(global_flags.bit_depth > 8 ? 16 : 8); chain->set_output_origin(OUTPUT_ORIGIN_TOP_LEFT); } else { chain->add_output(inout_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); @@ -244,6 +281,8 @@ void add_outputs_and_finalize(EffectChain *chain, bool is_main_chain) chain->finalize(); } +namespace { + int EffectChain_new(lua_State* L) { assert(lua_gettop(L) == 2); @@ -269,7 +308,7 @@ int EffectChain_add_live_input(lua_State* L) EffectChain *chain = (EffectChain *)luaL_checkudata(L, 1, "EffectChain"); bool override_bounce = checkbool(L, 2); bool deinterlace = checkbool(L, 3); - bmusb::PixelFormat pixel_format = global_flags.ten_bit_input ? bmusb::PixelFormat_10BitYCbCr : bmusb::PixelFormat_8BitYCbCr; + bmusb::PixelFormat pixel_format = global_flags.bit_depth > 8 ? bmusb::PixelFormat_10BitYCbCr : bmusb::PixelFormat_8BitYCbCr; // Needs to be nonowned to match add_video_input (see below). return wrap_lua_object_nonowned(L, "LiveInputWrapper", theme, chain, pixel_format, override_bounce, deinterlace, /*user_connectable=*/true); @@ -328,7 +367,12 @@ int EffectChain_add_effect(lua_State* L) EffectChain *chain = (EffectChain *)luaL_checkudata(L, 1, "EffectChain"); // TODO: Better error reporting. - Effect *effect = get_effect(L, 2); + Effect *effect; + if (luaL_testudata(L, 2, "ImageInput")) { + effect = *(ImageInput **)luaL_checkudata(L, 2, "ImageInput"); + } else { + effect = get_effect_from_blueprint(chain, L, 2); + } if (lua_gettop(L) == 2) { if (effect->num_inputs() == 0) { chain->add_input((Input *)effect); @@ -341,8 +385,13 @@ int EffectChain_add_effect(lua_State* L) if (luaL_testudata(L, idx, "LiveInputWrapper")) { LiveInputWrapper **input = (LiveInputWrapper **)lua_touserdata(L, idx); inputs.push_back((*input)->get_effect()); + } else if (luaL_testudata(L, idx, "ImageInput")) { + ImageInput *image = *(ImageInput **)luaL_checkudata(L, idx, "ImageInput"); + inputs.push_back(image); } else { - inputs.push_back(get_effect(L, idx)); + EffectBlueprint *blueprint = *(EffectBlueprint **)luaL_checkudata(L, idx, "EffectBlueprint"); + assert(blueprint->effect != nullptr); // Parent must be added to the graph. + inputs.push_back(blueprint->effect); } } chain->add_effect(effect, inputs); @@ -373,11 +422,7 @@ int LiveInputWrapper_connect_signal(lua_State* L) int signal_num = luaL_checknumber(L, 2); bool success = (*input)->connect_signal(signal_num); if (!success) { - lua_Debug ar; - lua_getstack(L, 1, &ar); - lua_getinfo(L, "nSl", &ar); - fprintf(stderr, "ERROR: %s:%d: Calling connect_signal() on a video or HTML input. Ignoring.\n", - ar.source, ar.currentline); + print_warning(L, "Calling connect_signal() on a video or HTML input. Ignoring.\n"); } return 0; } @@ -396,8 +441,7 @@ int VideoInput_new(lua_State* L) int pixel_format = luaL_checknumber(L, 2); if (pixel_format != bmusb::PixelFormat_8BitYCbCrPlanar && pixel_format != bmusb::PixelFormat_8BitBGRA) { - fprintf(stderr, "WARNING: Invalid enum %d used for video format, choosing Y'CbCr.\n", - pixel_format); + print_warning(L, "Invalid enum %d used for video format, choosing Y'CbCr.\n", pixel_format); pixel_format = bmusb::PixelFormat_8BitYCbCrPlanar; } int ret = wrap_lua_object_nonowned(L, "VideoInput", filename, global_flags.width, global_flags.height); @@ -518,67 +562,74 @@ int HTMLInput_get_signal_num(lua_State* L) } #endif +int IdentityEffect_new(lua_State* L) +{ + assert(lua_gettop(L) == 0); + return wrap_lua_object_nonowned(L, "EffectBlueprint", IDENTITY_EFFECT); +} + int WhiteBalanceEffect_new(lua_State* L) { assert(lua_gettop(L) == 0); - return wrap_lua_object_nonowned(L, "WhiteBalanceEffect"); + return wrap_lua_object_nonowned(L, "EffectBlueprint", WHITE_BALANCE_EFFECT); } int ResampleEffect_new(lua_State* L) { assert(lua_gettop(L) == 0); - return wrap_lua_object_nonowned(L, "ResampleEffect"); + return wrap_lua_object_nonowned(L, "EffectBlueprint", RESAMPLE_EFFECT); } int PaddingEffect_new(lua_State* L) { assert(lua_gettop(L) == 0); - return wrap_lua_object_nonowned(L, "PaddingEffect"); + return wrap_lua_object_nonowned(L, "EffectBlueprint", PADDING_EFFECT); } int IntegralPaddingEffect_new(lua_State* L) { assert(lua_gettop(L) == 0); - return wrap_lua_object_nonowned(L, "IntegralPaddingEffect"); + return wrap_lua_object_nonowned(L, "EffectBlueprint", INTEGRAL_PADDING_EFFECT); } int OverlayEffect_new(lua_State* L) { assert(lua_gettop(L) == 0); - return wrap_lua_object_nonowned(L, "OverlayEffect"); + return wrap_lua_object_nonowned(L, "EffectBlueprint", OVERLAY_EFFECT); } int ResizeEffect_new(lua_State* L) { assert(lua_gettop(L) == 0); - return wrap_lua_object_nonowned(L, "ResizeEffect"); + return wrap_lua_object_nonowned(L, "EffectBlueprint", RESIZE_EFFECT); } int MultiplyEffect_new(lua_State* L) { assert(lua_gettop(L) == 0); - return wrap_lua_object_nonowned(L, "MultiplyEffect"); + return wrap_lua_object_nonowned(L, "EffectBlueprint", MULTIPLY_EFFECT); } int MixEffect_new(lua_State* L) { assert(lua_gettop(L) == 0); - return wrap_lua_object_nonowned(L, "MixEffect"); + return wrap_lua_object_nonowned(L, "EffectBlueprint", MIX_EFFECT); } int LiftGammaGainEffect_new(lua_State* L) { assert(lua_gettop(L) == 0); - return wrap_lua_object_nonowned(L, "LiftGammaGainEffect"); + return wrap_lua_object_nonowned(L, "EffectBlueprint", LIFT_GAMMA_GAIN_EFFECT); } int InputStateInfo_get_width(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)); - 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; } @@ -587,8 +638,22 @@ int InputStateInfo_get_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)); - 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; } @@ -597,8 +662,8 @@ int InputStateInfo_get_interlaced(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)); - 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; } @@ -607,8 +672,8 @@ int InputStateInfo_get_has_signal(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)); - 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; } @@ -617,8 +682,8 @@ int InputStateInfo_get_is_connected(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)); - 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; } @@ -627,8 +692,8 @@ int InputStateInfo_get_frame_rate_nom(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)); - 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; } @@ -637,8 +702,8 @@ int InputStateInfo_get_frame_rate_den(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)); - 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; } @@ -647,72 +712,192 @@ int InputStateInfo_get_last_subtitle(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)); - 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; } -int Effect_set_float(lua_State *L) +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 card_idx = theme->map_signal_to_card(luaL_checknumber(L, 2)); + + string str; + if (!input_state_info->last_is_connected[card_idx]) { + str = "disconnected"; + } else if (input_state_info->last_height[card_idx] <= 0) { + str = "no signal"; + } 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, card_idx) + ", no signal"; + } + } else { + str = get_human_readable_resolution(input_state_info, card_idx); + } + + lua_pushstring(L, str.c_str()); + return 1; +} + + +int EffectBlueprint_set_int(lua_State *L) { assert(lua_gettop(L) == 3); - Effect *effect = (Effect *)get_effect(L, 1); + EffectBlueprint *blueprint = *(EffectBlueprint **)luaL_checkudata(L, 1, "EffectBlueprint"); string key = checkstdstring(L, 2); float value = luaL_checknumber(L, 3); - if (!effect->set_float(key, value)) { - luaL_error(L, "Effect refused set_float(\"%s\", %d) (invalid key?)", key.c_str(), int(value)); + if (blueprint->effect != nullptr) { + if (!blueprint->effect->set_int(key, value)) { + luaL_error(L, "Effect refused set_int(\"%s\", %d) (invalid key?)", key.c_str(), int(value)); + } + } else { + // TODO: check validity already here, if possible? + blueprint->int_parameters[key] = value; } return 0; } -int Effect_set_int(lua_State *L) +int EffectBlueprint_set_float(lua_State *L) { assert(lua_gettop(L) == 3); - Effect *effect = (Effect *)get_effect(L, 1); + EffectBlueprint *blueprint = *(EffectBlueprint **)luaL_checkudata(L, 1, "EffectBlueprint"); string key = checkstdstring(L, 2); float value = luaL_checknumber(L, 3); - if (!effect->set_int(key, value)) { - luaL_error(L, "Effect refused set_int(\"%s\", %d) (invalid key?)", key.c_str(), int(value)); + if (blueprint->effect != nullptr) { + if (!blueprint->effect->set_float(key, value)) { + luaL_error(L, "Effect refused set_float(\"%s\", %d) (invalid key?)", key.c_str(), int(value)); + } + } else { + // TODO: check validity already here, if possible? + blueprint->float_parameters[key] = value; } return 0; } -int Effect_set_vec3(lua_State *L) +int EffectBlueprint_set_vec3(lua_State *L) { assert(lua_gettop(L) == 5); - Effect *effect = (Effect *)get_effect(L, 1); + EffectBlueprint *blueprint = *(EffectBlueprint **)luaL_checkudata(L, 1, "EffectBlueprint"); string key = checkstdstring(L, 2); - float v[3]; + array v; v[0] = luaL_checknumber(L, 3); v[1] = luaL_checknumber(L, 4); v[2] = luaL_checknumber(L, 5); - if (!effect->set_vec3(key, v)) { - luaL_error(L, "Effect refused set_vec3(\"%s\", %f, %f, %f) (invalid key?)", key.c_str(), - v[0], v[1], v[2]); + + if (blueprint->effect != nullptr) { + if (!blueprint->effect->set_vec3(key, v.data())) { + luaL_error(L, "Effect refused set_vec3(\"%s\", %f, %f, %f) (invalid key?)", key.c_str(), + v[0], v[1], v[2]); + } + } else { + // TODO: check validity already here, if possible? + blueprint->vec3_parameters[key] = v; } + return 0; } -int Effect_set_vec4(lua_State *L) +int EffectBlueprint_set_vec4(lua_State *L) { assert(lua_gettop(L) == 6); - Effect *effect = (Effect *)get_effect(L, 1); + EffectBlueprint *blueprint = *(EffectBlueprint **)luaL_checkudata(L, 1, "EffectBlueprint"); string key = checkstdstring(L, 2); - float v[4]; + array v; v[0] = luaL_checknumber(L, 3); v[1] = luaL_checknumber(L, 4); v[2] = luaL_checknumber(L, 5); v[3] = luaL_checknumber(L, 6); - if (!effect->set_vec4(key, v)) { - luaL_error(L, "Effect refused set_vec4(\"%s\", %f, %f, %f, %f) (invalid key?)", key.c_str(), - v[0], v[1], v[2], v[3]); + if (blueprint->effect != nullptr) { + if (!blueprint->effect->set_vec4(key, v.data())) { + luaL_error(L, "Effect refused set_vec4(\"%s\", %f, %f, %f, %f) (invalid key?)", key.c_str(), + v[0], v[1], v[2], v[3]); + } + } else { + // TODO: check validity already here, if possible? + blueprint->vec4_parameters[key] = v; } return 0; } +const luaL_Reg Scene_funcs[] = { + { "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 }, + { NULL, NULL } +}; + +const luaL_Reg Block_funcs[] = { + { "display", Block_display }, + { "choose", Block_choose }, + { "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 }, + { "set_vec4", Block_set_vec4 }, + { NULL, NULL } +}; + +const luaL_Reg EffectBlueprint_funcs[] = { + // NOTE: No new() function; that's for the individual effects. + { "set_int", EffectBlueprint_set_int }, + { "set_float", EffectBlueprint_set_float }, + { "set_vec3", EffectBlueprint_set_vec3 }, + { "set_vec4", EffectBlueprint_set_vec4 }, + { NULL, NULL } +}; + const luaL_Reg EffectChain_funcs[] = { { "new", EffectChain_new }, { "__gc", EffectChain_gc }, @@ -733,10 +918,6 @@ const luaL_Reg LiveInputWrapper_funcs[] = { const luaL_Reg ImageInput_funcs[] = { { "new", ImageInput_new }, - { "set_float", Effect_set_float }, - { "set_int", Effect_set_int }, - { "set_vec3", Effect_set_vec3 }, - { "set_vec4", Effect_set_vec4 }, { NULL, NULL } }; @@ -762,96 +943,74 @@ const luaL_Reg HTMLInput_funcs[] = { { NULL, NULL } }; +// Effects. +// All of these are solely for new(); the returned metatable will be that of +// EffectBlueprint, and Effect (returned from add_effect()) is its own type. + +const luaL_Reg IdentityEffect_funcs[] = { + { "new", IdentityEffect_new }, + { NULL, NULL } +}; + const luaL_Reg WhiteBalanceEffect_funcs[] = { { "new", WhiteBalanceEffect_new }, - { "set_float", Effect_set_float }, - { "set_int", Effect_set_int }, - { "set_vec3", Effect_set_vec3 }, - { "set_vec4", Effect_set_vec4 }, { NULL, NULL } }; const luaL_Reg ResampleEffect_funcs[] = { { "new", ResampleEffect_new }, - { "set_float", Effect_set_float }, - { "set_int", Effect_set_int }, - { "set_vec3", Effect_set_vec3 }, - { "set_vec4", Effect_set_vec4 }, { NULL, NULL } }; const luaL_Reg PaddingEffect_funcs[] = { { "new", PaddingEffect_new }, - { "set_float", Effect_set_float }, - { "set_int", Effect_set_int }, - { "set_vec3", Effect_set_vec3 }, - { "set_vec4", Effect_set_vec4 }, { NULL, NULL } }; const luaL_Reg IntegralPaddingEffect_funcs[] = { { "new", IntegralPaddingEffect_new }, - { "set_float", Effect_set_float }, - { "set_int", Effect_set_int }, - { "set_vec3", Effect_set_vec3 }, - { "set_vec4", Effect_set_vec4 }, { NULL, NULL } }; const luaL_Reg OverlayEffect_funcs[] = { { "new", OverlayEffect_new }, - { "set_float", Effect_set_float }, - { "set_int", Effect_set_int }, - { "set_vec3", Effect_set_vec3 }, - { "set_vec4", Effect_set_vec4 }, { NULL, NULL } }; const luaL_Reg ResizeEffect_funcs[] = { { "new", ResizeEffect_new }, - { "set_float", Effect_set_float }, - { "set_int", Effect_set_int }, - { "set_vec3", Effect_set_vec3 }, - { "set_vec4", Effect_set_vec4 }, { NULL, NULL } }; const luaL_Reg MultiplyEffect_funcs[] = { { "new", MultiplyEffect_new }, - { "set_float", Effect_set_float }, - { "set_int", Effect_set_int }, - { "set_vec3", Effect_set_vec3 }, - { "set_vec4", Effect_set_vec4 }, { NULL, NULL } }; const luaL_Reg MixEffect_funcs[] = { { "new", MixEffect_new }, - { "set_float", Effect_set_float }, - { "set_int", Effect_set_int }, - { "set_vec3", Effect_set_vec3 }, - { "set_vec4", Effect_set_vec4 }, { NULL, NULL } }; const luaL_Reg LiftGammaGainEffect_funcs[] = { { "new", LiftGammaGainEffect_new }, - { "set_float", Effect_set_float }, - { "set_int", Effect_set_int }, - { "set_vec3", Effect_set_vec3 }, - { "set_vec4", Effect_set_vec4 }, { NULL, NULL } }; +// End of effects. + 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 } }; @@ -905,11 +1064,7 @@ LiveInputWrapper::LiveInputWrapper( for (unsigned i = 0; i < num_inputs; ++i) { // We upload our textures ourselves, and Movit swaps // R and B in the shader if we specify BGRA, so lie and say RGBA. - if (global_flags.can_disable_srgb_decoder) { - rgba_inputs.push_back(new sRGBSwitchingFlatInput(inout_format, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, global_flags.width, global_flags.height)); - } else { - rgba_inputs.push_back(new NonsRGBCapableFlatInput(inout_format, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, global_flags.width, global_flags.height)); - } + rgba_inputs.push_back(new sRGBSwitchingFlatInput(inout_format, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, global_flags.width, global_flags.height)); chain->add_input(rgba_inputs.back()); } @@ -969,14 +1124,14 @@ bool LiveInputWrapper::connect_signal(int signal_num) 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; @@ -991,10 +1146,10 @@ void LiveInputWrapper::connect_signal_raw(int signal_num, const InputState &inpu } } - 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 @@ -1018,7 +1173,7 @@ void LiveInputWrapper::connect_signal_raw(int signal_num, const InputState &inpu 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. @@ -1047,7 +1202,14 @@ void LiveInputWrapper::connect_signal_raw(int signal_num, const InputState &inpu ycbcr_inputs[i]->set_texture_num(0, userdata->tex_y[frame.field_number]); ycbcr_inputs[i]->set_texture_num(1, userdata->tex_cb[frame.field_number]); ycbcr_inputs[i]->set_texture_num(2, userdata->tex_cr[frame.field_number]); - ycbcr_inputs[i]->change_ycbcr_format(userdata->ycbcr_format); + // YCbCrPlanar is used for video streams, where we can have metadata from the mux. + // Prefer that if there's no override. (Overrides are only available when using + // video as SRT cards.) + if (input_state.ycbcr_coefficients_auto[card_idx]) { + ycbcr_inputs[i]->change_ycbcr_format(userdata->ycbcr_format); + } else { + ycbcr_inputs[i]->change_ycbcr_format(input_ycbcr_format); + } ycbcr_inputs[i]->set_width(width); ycbcr_inputs[i]->set_height(height); break; @@ -1070,7 +1232,7 @@ void LiveInputWrapper::connect_signal_raw(int signal_num, const InputState &inpu } 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)); } } @@ -1083,6 +1245,7 @@ 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(); } @@ -1094,9 +1257,222 @@ int call_num_channels(lua_State *L) } // namespace -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) +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; +} + +// 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 &search_dirs, ResourcePool *resource_pool) + : resource_pool(resource_pool), signal_to_card_mapping(global_flags.default_stream_mapping) +{ + // Defaults. + channel_names[0] = "Live"; + channel_names[1] = "Preview"; + L = luaL_newstate(); luaL_openlibs(L); @@ -1164,21 +1540,25 @@ 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); register_class("EffectChain", EffectChain_funcs); register_class("LiveInputWrapper", LiveInputWrapper_funcs); register_class("ImageInput", ImageInput_funcs); register_class("VideoInput", VideoInput_funcs); register_class("HTMLInput", HTMLInput_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); @@ -1191,21 +1571,30 @@ 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 }, + { "EQ_BAND_BASS", EQ_BAND_BASS }, + { "EQ_BAND_MID", EQ_BAND_MID }, + { "EQ_BAND_TREBLE", EQ_BAND_TREBLE }, }; const vector> str_constants = { { "THEME_PATH", theme_path }, @@ -1224,11 +1613,33 @@ void Theme::register_constants() lua_settable(L, 1); // t[key] = value } + 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 }, + + // 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} } + 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 = {} @@ -1236,35 +1647,16 @@ 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); } -Theme::Chain Theme::get_chain(unsigned num, float t, unsigned width, unsigned height, const InputState &input_state) +Theme::Chain Theme::get_chain_from_effect_chain(EffectChain *effect_chain, unsigned num, const InputState &input_state) { - Chain chain; - - lock_guard lock(m); - assert(lua_gettop(L) == 0); - lua_getglobal(L, "get_chain"); /* function to be called */ - lua_pushnumber(L, num); - lua_pushnumber(L, t); - lua_pushnumber(L, width); - lua_pushnumber(L, height); - wrap_lua_object(L, "InputStateInfo", input_state); - - if (lua_pcall(L, 5, 2, 0) != 0) { - fprintf(stderr, "error running function `get_chain': %s\n", lua_tostring(L, -1)); - abort(); - } - - EffectChain *effect_chain = (EffectChain *)luaL_testudata(L, -2, "EffectChain"); - if (effect_chain == nullptr) { - fprintf(stderr, "get_chain() for chain number %d did not return an EffectChain\n", - num); - abort(); - } - chain.chain = effect_chain; if (!lua_isfunction(L, -1)) { fprintf(stderr, "Argument #-1 should be a function\n"); abort(); @@ -1272,8 +1664,9 @@ Theme::Chain Theme::get_chain(unsigned num, float t, unsigned width, unsigned he lua_pushvalue(L, -1); shared_ptr funcref(new LuaRefWithDeleter(&m, L, luaL_ref(L, LUA_REGISTRYINDEX))); lua_pop(L, 2); - assert(lua_gettop(L) == 0); + Chain chain; + chain.chain = effect_chain; chain.setup_chain = [this, funcref, input_state, effect_chain]{ lock_guard lock(m); @@ -1285,31 +1678,78 @@ Theme::Chain Theme::get_chain(unsigned num, float t, unsigned width, unsigned he if (lua_pcall(L, 0, 0, 0) != 0) { fprintf(stderr, "error running chain setup callback: %s\n", lua_tostring(L, -1)); abort(); - } + } assert(lua_gettop(L) == 0); // The theme can't (or at least shouldn't!) call connect_signal() on // 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 this->input_state = nullptr; }; + return chain; +} + +Theme::Chain Theme::get_chain(unsigned num, float t, unsigned width, unsigned height, const InputState &input_state) +{ + const char *func_name = "get_scene"; // For error reporting. + Chain chain; + + lock_guard lock(m); + assert(lua_gettop(L) == 0); + lua_getglobal(L, "get_scene"); /* function to be called */ + if (lua_isnil(L, -1)) { + // Try the pre-1.9.0 name for compatibility. + lua_pop(L, 1); + lua_getglobal(L, "get_chain"); + func_name = "get_chain"; + } + lua_pushnumber(L, num); + lua_pushnumber(L, t); + lua_pushnumber(L, width); + lua_pushnumber(L, height); + wrap_lua_object(L, "InputStateInfo", input_state); + + if (lua_pcall(L, 5, LUA_MULTRET, 0) != 0) { + fprintf(stderr, "error running function “%s”: %s\n", func_name, lua_tostring(L, -1)); + abort(); + } + + if (luaL_testudata(L, -1, "Scene") != nullptr) { + if (lua_gettop(L) != 1) { + luaL_error(L, "%s() for chain number %d returned an Scene, but also other items", func_name); + } + Scene *auto_effect_chain = (Scene *)luaL_testudata(L, -1, "Scene"); + auto chain_and_setup = auto_effect_chain->get_chain(this, L, num, input_state); + chain.chain = chain_and_setup.first; + chain.setup_chain = move(chain_and_setup.second); + } else if (luaL_testudata(L, -2, "EffectChain") != nullptr) { + // Old-style (pre-Nageru 1.9.0) return of a single chain and prepare function. + if (lua_gettop(L) != 2) { + luaL_error(L, "%s() for chain number %d returned an EffectChain, but needs to also return a prepare function (or use Scene)", func_name); + } + EffectChain *effect_chain = (EffectChain *)luaL_testudata(L, -2, "EffectChain"); + chain = get_chain_from_effect_chain(effect_chain, num, input_state); + } else { + luaL_error(L, "%s() for chain number %d did not return an EffectChain or Scene\n", func_name, num); + } + assert(lua_gettop(L) == 0); // TODO: Can we do better, e.g. by running setup_chain() and seeing what it references? // Actually, setup_chain does maybe hold all the references we need now anyway? - chain.input_frames.reserve(num_cards * FRAME_HISTORY_LENGTH); - for (unsigned card_index = 0; card_index < num_cards; ++card_index) { + chain.input_frames.reserve(MAX_VIDEO_CARDS * FRAME_HISTORY_LENGTH); + for (unsigned card_index = 0; card_index < MAX_VIDEO_CARDS; ++card_index) { for (unsigned frame_num = 0; frame_num < FRAME_HISTORY_LENGTH; ++frame_num) { chain.input_frames.push_back(input_state.buffered_frames[card_index][frame_num].frame); } @@ -1321,7 +1761,23 @@ 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)); @@ -1330,6 +1786,7 @@ 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(); } @@ -1339,13 +1796,23 @@ string Theme::get_channel_name(unsigned channel) return retstr; } -int Theme::get_channel_signal(unsigned channel) +int Theme::map_channel_to_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(); } @@ -1381,9 +1848,19 @@ 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(); } @@ -1393,10 +1870,40 @@ 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 = map_channel_to_signal(channel); + + lock_guard 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 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); @@ -1409,6 +1916,15 @@ void Theme::set_wb(unsigned channel, double r, double g, double b) 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 Theme::get_transition_names(float t) { lock_guard lock(m); @@ -1428,9 +1944,9 @@ vector Theme::get_transition_names(float t) lua_pop(L, 1); assert(lua_gettop(L) == 0); 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) { @@ -1443,33 +1959,34 @@ int Theme::map_signal(int signal_num) } int card_index; - if (global_flags.output_card != -1 && num_cards > 1) { + if (global_flags.output_card != -1) { // Try to exclude the output card from the default card_index. - card_index = signal_num % (num_cards - 1); + card_index = signal_num % (global_flags.max_num_cards - 1); if (card_index >= global_flags.output_card) { ++card_index; } - if (signal_num >= int(num_cards - 1)) { - fprintf(stderr, "WARNING: Theme asked for input %d, but we only have %u input card(s) (card %d is busy with output).\n", - signal_num, num_cards - 1, global_flags.output_card); + if (signal_num >= int(global_flags.max_num_cards - 1)) { + print_warning(L, "Theme asked for input %d, but we only have %u input card(s) (card %d is busy with output).\n", + signal_num, global_flags.max_num_cards - 1, global_flags.output_card); fprintf(stderr, "Mapping to card %d instead.\n", card_index); } } else { - card_index = signal_num % num_cards; - if (signal_num >= int(num_cards)) { - fprintf(stderr, "WARNING: Theme asked for input %d, but we only have %u card(s).\n", signal_num, num_cards); + card_index = signal_num % global_flags.max_num_cards; + if (signal_num >= int(global_flags.max_num_cards)) { + print_warning(L, "Theme asked for input %d, but we only have %u card(s).\n", signal_num, global_flags.max_num_cards); fprintf(stderr, "Mapping to card %d instead.\n", card_index); } } + global_mixer->force_card_active(card_index); signal_to_card_mapping[signal_num] = card_index; 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 lock(map_m); - assert(card_num < int(num_cards)); - signal_to_card_mapping[signal_num] = card_num; + assert(card_idx < MAX_VIDEO_CARDS); + signal_to_card_mapping[signal_num] = card_idx; } void Theme::transition_clicked(int transition_num, float t) @@ -1499,25 +2016,78 @@ 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; +} + +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(); - theme_menu.push_back(MenuEntry{ text, ref }); + 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); @@ -1537,3 +2107,36 @@ 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; +} + +void Theme::remove_card(unsigned card_index) +{ + lock_guard lock(map_m); + for (auto it = signal_to_card_mapping.begin(); it != signal_to_card_mapping.end(); ) { + if (it->second == int(card_index)) { + it = signal_to_card_mapping.erase(it); + } else { + ++it; + } + } +}