X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=theme.cpp;h=bb0bcaf8eeb16102baf7d152e25b4485449564a6;hb=f3dbafe3251a6613433debfdde48dc814f5423a1;hp=ce1389f7cc4ea635ec0c2fbe4a295c8a8c3832fc;hpb=8cefe0ef1926be7931d4a9bbfed93ee6e85f3540;p=nageru diff --git a/theme.cpp b/theme.cpp index ce1389f..bb0bcaf 100644 --- a/theme.cpp +++ b/theme.cpp @@ -5,9 +5,11 @@ #include #include #include +#include #include #include #include +#include #include #include #include @@ -26,11 +28,12 @@ #include #include "defs.h" -#include "deinterlace_effect.h" +#ifdef HAVE_CEF +#include "cef_capture.h" +#endif #include "ffmpeg_capture.h" #include "flags.h" #include "image_input.h" -#include "input.h" #include "input_state.h" #include "pbo_frame_allocator.h" @@ -45,6 +48,18 @@ using namespace movit; extern Mixer *global_mixer; +Theme *get_theme_updata(lua_State* L) +{ + luaL_checktype(L, lua_upvalueindex(1), LUA_TLIGHTUSERDATA); + return (Theme *)lua_touserdata(L, lua_upvalueindex(1)); +} + +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 @@ -133,12 +148,6 @@ int wrap_lua_object_nonowned(lua_State* L, const char *class_name, Args&&... arg return 1; } -Theme *get_theme_updata(lua_State* L) -{ - luaL_checktype(L, lua_upvalueindex(1), LUA_TLIGHTUSERDATA); - return (Theme *)lua_touserdata(L, lua_upvalueindex(1)); -} - Effect *get_effect(lua_State *L, int idx) { if (luaL_testudata(L, idx, "WhiteBalanceEffect") || @@ -222,15 +231,39 @@ int EffectChain_add_video_input(lua_State* L) // doesn't care about the object anymore. (If we change this, we'd need // to also unregister the signal connection on __gc.) int ret = wrap_lua_object_nonowned( - L, "LiveInputWrapper", theme, chain, bmusb::PixelFormat_8BitBGRA, + L, "LiveInputWrapper", theme, chain, (*capture)->get_current_pixel_format(), /*override_bounce=*/false, deinterlace); if (ret == 1) { Theme *theme = get_theme_updata(L); LiveInputWrapper **live_input = (LiveInputWrapper **)lua_touserdata(L, -1); - theme->register_signal_connection(*live_input, *capture); + theme->register_video_signal_connection(*live_input, *capture); + } + return ret; +} + +#ifdef HAVE_CEF +int EffectChain_add_html_input(lua_State* L) +{ + assert(lua_gettop(L) == 2); + Theme *theme = get_theme_updata(L); + EffectChain *chain = (EffectChain *)luaL_checkudata(L, 1, "EffectChain"); + CEFCapture **capture = (CEFCapture **)luaL_checkudata(L, 2, "HTMLInput"); + + // These need to be nonowned, so that the LiveInputWrapper still exists + // and can feed frames to the right EffectChain even if the Lua code + // doesn't care about the object anymore. (If we change this, we'd need + // to also unregister the signal connection on __gc.) + int ret = wrap_lua_object_nonowned( + L, "LiveInputWrapper", theme, chain, (*capture)->get_current_pixel_format(), + /*override_bounce=*/false, /*deinterlace=*/false); + if (ret == 1) { + Theme *theme = get_theme_updata(L); + LiveInputWrapper **live_input = (LiveInputWrapper **)lua_touserdata(L, -1); + theme->register_html_signal_connection(*live_input, *capture); } return ret; } +#endif int EffectChain_add_effect(lua_State* L) { @@ -341,12 +374,21 @@ int ImageInput_new(lua_State* L) int VideoInput_new(lua_State* L) { - assert(lua_gettop(L) == 1); + assert(lua_gettop(L) == 2); string filename = checkstdstring(L, 1); + 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); + pixel_format = bmusb::PixelFormat_8BitYCbCrPlanar; + } int ret = wrap_lua_object_nonowned(L, "VideoInput", filename, global_flags.width, global_flags.height); if (ret == 1) { - Theme *theme = get_theme_updata(L); FFmpegCapture **capture = (FFmpegCapture **)lua_touserdata(L, -1); + (*capture)->set_pixel_format(bmusb::PixelFormat(pixel_format)); + + Theme *theme = get_theme_updata(L); theme->register_video_input(*capture); } return ret; @@ -377,6 +419,70 @@ int VideoInput_get_signal_num(lua_State* L) return 1; } +int HTMLInput_new(lua_State* L) +{ +#ifdef HAVE_CEF + assert(lua_gettop(L) == 1); + string url = checkstdstring(L, 1); + int ret = wrap_lua_object_nonowned(L, "HTMLInput", url, global_flags.width, global_flags.height); + if (ret == 1) { + CEFCapture **capture = (CEFCapture **)lua_touserdata(L, -1); + Theme *theme = get_theme_updata(L); + theme->register_html_input(*capture); + } + return ret; +#else + fprintf(stderr, "This version of Nageru has been compiled without CEF support.\n"); + fprintf(stderr, "HTMLInput is not available.\n"); + exit(1); +#endif +} + +#ifdef HAVE_CEF +int HTMLInput_set_url(lua_State* L) +{ + assert(lua_gettop(L) == 2); + CEFCapture **video_input = (CEFCapture **)luaL_checkudata(L, 1, "HTMLInput"); + string new_url = checkstdstring(L, 2); + (*video_input)->set_url(new_url); + return 0; +} + +int HTMLInput_reload(lua_State* L) +{ + assert(lua_gettop(L) == 1); + CEFCapture **video_input = (CEFCapture **)luaL_checkudata(L, 1, "HTMLInput"); + (*video_input)->reload(); + return 0; +} + +int HTMLInput_set_max_fps(lua_State* L) +{ + assert(lua_gettop(L) == 2); + CEFCapture **video_input = (CEFCapture **)luaL_checkudata(L, 1, "HTMLInput"); + int max_fps = lrint(luaL_checknumber(L, 2)); + (*video_input)->set_max_fps(max_fps); + return 0; +} + +int HTMLInput_execute_javascript_async(lua_State* L) +{ + assert(lua_gettop(L) == 2); + CEFCapture **video_input = (CEFCapture **)luaL_checkudata(L, 1, "HTMLInput"); + string js = checkstdstring(L, 2); + (*video_input)->execute_javascript_async(js); + return 0; +} + +int HTMLInput_get_signal_num(lua_State* L) +{ + assert(lua_gettop(L) == 1); + CEFCapture **video_input = (CEFCapture **)luaL_checkudata(L, 1, "HTMLInput"); + lua_pushnumber(L, -1 - (*video_input)->get_card_index()); + return 1; +} +#endif + int WhiteBalanceEffect_new(lua_State* L) { assert(lua_gettop(L) == 0); @@ -557,6 +663,9 @@ const luaL_Reg EffectChain_funcs[] = { { "__gc", EffectChain_gc }, { "add_live_input", EffectChain_add_live_input }, { "add_video_input", EffectChain_add_video_input }, +#ifdef HAVE_CEF + { "add_html_input", EffectChain_add_html_input }, +#endif { "add_effect", EffectChain_add_effect }, { "finalize", EffectChain_finalize }, { NULL, NULL } @@ -584,6 +693,18 @@ const luaL_Reg VideoInput_funcs[] = { { NULL, NULL } }; +const luaL_Reg HTMLInput_funcs[] = { + { "new", HTMLInput_new }, +#ifdef HAVE_CEF + { "set_url", HTMLInput_set_url }, + { "reload", HTMLInput_reload }, + { "set_max_fps", HTMLInput_set_max_fps }, + { "execute_javascript_async", HTMLInput_execute_javascript_async }, + { "get_signal_num", HTMLInput_get_signal_num }, +#endif + { NULL, NULL } +}; + const luaL_Reg WhiteBalanceEffect_funcs[] = { { "new", WhiteBalanceEffect_new }, { "set_float", Effect_set_float }, @@ -667,6 +788,11 @@ const luaL_Reg InputStateInfo_funcs[] = { { NULL, NULL } }; +const luaL_Reg ThemeMenu_funcs[] = { + { "set", ThemeMenu_set }, + { NULL, NULL } +}; + } // namespace LiveInputWrapper::LiveInputWrapper(Theme *theme, EffectChain *chain, bmusb::PixelFormat pixel_format, bool override_bounce, bool deinterlace) @@ -766,12 +892,12 @@ void LiveInputWrapper::connect_signal(int signal_num) } signal_num = theme->map_signal(signal_num); - connect_signal_raw(signal_num); + connect_signal_raw(signal_num, *theme->input_state); } -void LiveInputWrapper::connect_signal_raw(int signal_num) +void LiveInputWrapper::connect_signal_raw(int signal_num, const InputState &input_state) { - BufferedFrame first_frame = theme->input_state->buffered_frames[signal_num][0]; + BufferedFrame first_frame = input_state.buffered_frames[signal_num][0]; if (first_frame.frame == nullptr) { // No data yet. return; @@ -783,10 +909,10 @@ void LiveInputWrapper::connect_signal_raw(int signal_num) height = userdata->last_height[first_frame.field_number]; } - movit::YCbCrLumaCoefficients ycbcr_coefficients = theme->input_state->ycbcr_coefficients[signal_num]; - bool full_range = theme->input_state->full_range[signal_num]; + movit::YCbCrLumaCoefficients ycbcr_coefficients = input_state.ycbcr_coefficients[signal_num]; + bool full_range = input_state.full_range[signal_num]; - if (theme->input_state->ycbcr_coefficients_auto[signal_num]) { + if (input_state.ycbcr_coefficients_auto[signal_num]) { full_range = false; // The Blackmagic driver docs claim that the device outputs Y'CbCr @@ -810,7 +936,7 @@ void LiveInputWrapper::connect_signal_raw(int signal_num) BufferedFrame last_good_frame = first_frame; for (unsigned i = 0; i < max(ycbcr_inputs.size(), rgba_inputs.size()); ++i) { - BufferedFrame frame = theme->input_state->buffered_frames[signal_num][i]; + BufferedFrame frame = input_state.buffered_frames[signal_num][i]; if (frame.frame == nullptr) { // Not enough data; reuse last frame (well, field). // This is suboptimal, but we have nothing better. @@ -862,7 +988,7 @@ void LiveInputWrapper::connect_signal_raw(int signal_num) } if (deinterlace) { - BufferedFrame frame = theme->input_state->buffered_frames[signal_num][0]; + BufferedFrame frame = input_state.buffered_frames[signal_num][0]; CHECK(deinterlace_effect->set_int("current_field_position", frame.field_number)); } } @@ -892,10 +1018,12 @@ Theme::Theme(const string &filename, const vector &search_dirs, Resource L = luaL_newstate(); luaL_openlibs(L); + register_constants(); 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); @@ -905,6 +1033,7 @@ Theme::Theme(const string &filename, const vector &search_dirs, Resource register_class("MultiplyEffect", MultiplyEffect_funcs); register_class("MixEffect", MixEffect_funcs); register_class("InputStateInfo", InputStateInfo_funcs); + register_class("ThemeMenu", ThemeMenu_funcs); // Run script. Search through all directories until we find a file that will load // (as in, does not return LUA_ERRFILE); then run it. We store load errors @@ -949,6 +1078,26 @@ Theme::~Theme() lua_close(L); } +void Theme::register_constants() +{ + // Set Nageru.VIDEO_FORMAT_BGRA = bmusb::PixelFormat_8BitBGRA, etc. + const vector> constants = { + { "VIDEO_FORMAT_BGRA", bmusb::PixelFormat_8BitBGRA }, + { "VIDEO_FORMAT_YCBCR", bmusb::PixelFormat_8BitYCbCrPlanar }, + }; + + lua_newtable(L); // t = {} + + for (const pair &constant : constants) { + lua_pushstring(L, constant.first.c_str()); + lua_pushinteger(L, constant.second); + lua_settable(L, 1); // t[key] = value + } + + lua_setglobal(L, "Nageru"); // Nageru = t + assert(lua_gettop(L) == 0); +} + void Theme::register_class(const char *class_name, const luaL_Reg *funcs) { assert(lua_gettop(L) == 0); @@ -997,6 +1146,7 @@ Theme::Chain Theme::get_chain(unsigned num, float t, unsigned width, unsigned he chain.setup_chain = [this, funcref, input_state]{ unique_lock lock(m); + assert(this->input_state == nullptr); this->input_state = &input_state; // Set up state, including connecting signals. @@ -1006,10 +1156,13 @@ Theme::Chain Theme::get_chain(unsigned num, float t, unsigned width, unsigned he exit(1); } assert(lua_gettop(L) == 0); + + this->input_state = nullptr; }; // 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) { 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); @@ -1199,3 +1352,41 @@ void Theme::channel_clicked(int preview_num) } assert(lua_gettop(L) == 0); } + +int Theme::set_theme_menu(lua_State *L) +{ + for (const Theme::MenuEntry &entry : theme_menu) { + luaL_unref(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); + lua_pop(L, 1); + + lua_rawgeti(L, i, 2); + luaL_checktype(L, -1, LUA_TFUNCTION); + int ref = luaL_ref(L, LUA_REGISTRYINDEX); + + theme_menu.push_back(MenuEntry{ text, ref }); + } + lua_pop(L, num_elements); + assert(lua_gettop(L) == 0); + + if (theme_menu_callback != nullptr) { + theme_menu_callback(); + } + + return 0; +} + +void Theme::theme_menu_entry_clicked(int lua_ref) +{ + lua_rawgeti(L, LUA_REGISTRYINDEX, lua_ref); + if (lua_pcall(L, 0, 0, 0) != 0) { + fprintf(stderr, "error running menu callback: %s\n", lua_tostring(L, -1)); + exit(1); + } +}