#include <movit/padding_effect.h>
#include <movit/resample_effect.h>
#include <movit/resize_effect.h>
+#include <movit/util.h>
#include <movit/white_balance_effect.h>
#include <movit/ycbcr.h>
#include <movit/ycbcr_input.h>
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_CARDS], last_height[MAX_CARDS];
+ bool last_interlaced[MAX_CARDS];
+};
+
+InputStateInfo::InputStateInfo(const InputState &input_state)
+{
+ for (unsigned signal_num = 0; signal_num < MAX_CARDS; ++signal_num) {
+ BufferedFrame frame = input_state.buffered_frames[signal_num][0];
+ if (frame.frame == nullptr) {
+ last_width[signal_num] = last_height[signal_num] = 0;
+ last_interlaced[signal_num] = false;
+ continue;
+ }
+ const PBOFrameAllocator::Userdata *userdata = (const PBOFrameAllocator::Userdata *)frame.frame->userdata;
+ last_width[signal_num] = userdata->last_width[frame.field_number];
+ last_height[signal_num] = userdata->last_height[frame.field_number];
+ last_interlaced[signal_num] = userdata->last_interlaced;
+ }
+}
+
class LuaRefWithDeleter {
public:
LuaRefWithDeleter(mutex *m, lua_State *L, int ref) : m(m), L(L), ref(ref) {}
return nullptr;
}
+InputStateInfo *get_input_state_info(lua_State *L, int idx)
+{
+ if (luaL_testudata(L, idx, "InputStateInfo")) {
+ return (InputStateInfo *)lua_touserdata(L, idx);
+ }
+ luaL_error(L, "Error: Index #%d was not InputStateInfo\n", idx);
+ return nullptr;
+}
+
bool checkbool(lua_State* L, int idx)
{
luaL_checktype(L, idx, LUA_TBOOLEAN);
int EffectChain_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<EffectChain>(L, "EffectChain", aspect_w, aspect_h);
+ return wrap_lua_object<EffectChain>(L, "EffectChain", aspect_w, aspect_h, theme->get_resource_pool());
}
int EffectChain_add_live_input(lua_State* L)
{
- assert(lua_gettop(L) == 2);
+ assert(lua_gettop(L) == 3);
Theme *theme = get_theme_updata(L);
EffectChain *chain = (EffectChain *)luaL_checkudata(L, 1, "EffectChain");
bool override_bounce = checkbool(L, 2);
- return wrap_lua_object<LiveInputWrapper>(L, "LiveInputWrapper", theme, chain, override_bounce);
+ bool deinterlace = checkbool(L, 3);
+ return wrap_lua_object<LiveInputWrapper>(L, "LiveInputWrapper", theme, chain, override_bounce, deinterlace);
}
int EffectChain_add_effect(lua_State* L)
for (int idx = 3; idx <= lua_gettop(L); ++idx) {
if (luaL_testudata(L, idx, "LiveInputWrapper")) {
LiveInputWrapper *input = (LiveInputWrapper *)lua_touserdata(L, idx);
- inputs.push_back(input->get_input());
+ inputs.push_back(input->get_effect());
} else {
inputs.push_back(get_effect(L, idx));
}
return wrap_lua_object<MixEffect>(L, "MixEffect");
}
+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]);
+ return 1;
+}
+
+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]);
+ return 1;
+}
+
+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]);
+ return 1;
+}
+
int Effect_set_float(lua_State *L)
{
assert(lua_gettop(L) == 3);
{ NULL, NULL }
};
+const luaL_Reg InputStateInfo_funcs[] = {
+ { "get_width", InputStateInfo_get_width },
+ { "get_height", InputStateInfo_get_height },
+ { "get_interlaced", InputStateInfo_get_interlaced },
+ { NULL, NULL }
+};
+
} // namespace
-LiveInputWrapper::LiveInputWrapper(Theme *theme, EffectChain *chain, bool override_bounce)
- : theme(theme)
+LiveInputWrapper::LiveInputWrapper(Theme *theme, EffectChain *chain, bool override_bounce, bool deinterlace)
+ : theme(theme),
+ deinterlace(deinterlace)
{
ImageFormat inout_format;
inout_format.color_space = COLORSPACE_sRGB;
input_ycbcr_format.luma_coefficients = YCBCR_REC_709;
input_ycbcr_format.full_range = false;
- if (override_bounce) {
- input = new NonBouncingYCbCrInput(inout_format, input_ycbcr_format, WIDTH, HEIGHT, YCBCR_INPUT_SPLIT_Y_AND_CBCR);
+ unsigned num_inputs;
+ if (deinterlace) {
+ deinterlace_effect = new movit::DeinterlaceEffect();
+
+ // As per the comments in deinterlace_effect.h, we turn this off.
+ // The most likely interlaced input for us is either a camera
+ // (where it's fine to turn it off) or a laptop (where it _should_
+ // be turned off).
+ CHECK(deinterlace_effect->set_int("enable_spatial_interlacing_check", 0));
+
+ num_inputs = deinterlace_effect->num_inputs();
+ assert(num_inputs == FRAME_HISTORY_LENGTH);
} else {
- input = new YCbCrInput(inout_format, input_ycbcr_format, WIDTH, HEIGHT, YCBCR_INPUT_SPLIT_Y_AND_CBCR);
+ num_inputs = 1;
+ }
+ for (unsigned i = 0; i < num_inputs; ++i) {
+ if (override_bounce) {
+ inputs.push_back(new NonBouncingYCbCrInput(inout_format, input_ycbcr_format, WIDTH, HEIGHT, YCBCR_INPUT_SPLIT_Y_AND_CBCR));
+ } else {
+ inputs.push_back(new YCbCrInput(inout_format, input_ycbcr_format, WIDTH, HEIGHT, YCBCR_INPUT_SPLIT_Y_AND_CBCR));
+ }
+ chain->add_input(inputs.back());
+ }
+
+ if (deinterlace) {
+ vector<Effect *> reverse_inputs(inputs.rbegin(), inputs.rend());
+ chain->add_effect(deinterlace_effect, reverse_inputs);
}
- chain->add_input(input);
}
void LiveInputWrapper::connect_signal(int signal_num)
signal_num = theme->map_signal(signal_num);
- BufferedFrame frame = theme->input_state->buffered_frames[signal_num][0];
- const PBOFrameAllocator::Userdata *userdata = (const PBOFrameAllocator::Userdata *)frame.frame->userdata;
+ BufferedFrame first_frame = theme->input_state->buffered_frames[signal_num][0];
+ if (first_frame.frame == nullptr) {
+ // No data yet.
+ return;
+ }
+ unsigned width, height;
+ {
+ const PBOFrameAllocator::Userdata *userdata = (const PBOFrameAllocator::Userdata *)first_frame.frame->userdata;
+ width = userdata->last_width[first_frame.field_number];
+ height = userdata->last_height[first_frame.field_number];
+ }
+
+ BufferedFrame last_good_frame = first_frame;
+ for (unsigned i = 0; i < inputs.size(); ++i) {
+ BufferedFrame frame = theme->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.
+ frame = last_good_frame;
+ }
+ const PBOFrameAllocator::Userdata *userdata = (const PBOFrameAllocator::Userdata *)frame.frame->userdata;
+
+ if (userdata->last_width[frame.field_number] != width ||
+ userdata->last_height[frame.field_number] != height) {
+ // Resolution changed; reuse last frame/field.
+ frame = last_good_frame;
+ userdata = (const PBOFrameAllocator::Userdata *)frame.frame->userdata;
+ }
+
+ inputs[i]->set_texture_num(0, userdata->tex_y[frame.field_number]);
+ inputs[i]->set_texture_num(1, userdata->tex_cbcr[frame.field_number]);
+ inputs[i]->set_width(userdata->last_width[frame.field_number]);
+ inputs[i]->set_height(userdata->last_height[frame.field_number]);
- input->set_texture_num(0, userdata->tex_y[frame.field_number]);
- input->set_texture_num(1, userdata->tex_cbcr[frame.field_number]);
- input->set_width(userdata->last_width[frame.field_number]);
- input->set_height(userdata->last_height[frame.field_number]);
+ last_good_frame = frame;
+ }
+
+ if (deinterlace) {
+ BufferedFrame frame = theme->input_state->buffered_frames[signal_num][0];
+ CHECK(deinterlace_effect->set_int("current_field_position", frame.field_number));
+ }
}
Theme::Theme(const char *filename, ResourcePool *resource_pool, unsigned num_cards)
register_class("OverlayEffect", OverlayEffect_funcs);
register_class("ResizeEffect", ResizeEffect_funcs);
register_class("MixEffect", MixEffect_funcs);
+ register_class("InputStateInfo", InputStateInfo_funcs);
// Run script.
lua_settop(L, 0);
void Theme::register_class(const char *class_name, const luaL_Reg *funcs)
{
assert(lua_gettop(L) == 0);
- luaL_newmetatable(L, class_name);
+ luaL_newmetatable(L, class_name); // mt = {}
lua_pushlightuserdata(L, this);
- luaL_setfuncs(L, funcs, 1);
+ 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");
- lua_setglobal(L, class_name);
+ lua_setfield(L, -2, "__index"); // mt.__index = mt
+ lua_setglobal(L, class_name); // ClassName = mt
assert(lua_gettop(L) == 0);
}
lua_pushnumber(L, t);
lua_pushnumber(L, width);
lua_pushnumber(L, height);
+ wrap_lua_object<InputStateInfo>(L, "InputStateInfo", input_state);
- if (lua_pcall(L, 4, 2, 0) != 0) {
+ if (lua_pcall(L, 5, 2, 0) != 0) {
fprintf(stderr, "error running function `get_chain': %s\n", lua_tostring(L, -1));
exit(1);
}
lua_getglobal(L, "channel_name");
lua_pushnumber(L, channel);
if (lua_pcall(L, 1, 1, 0) != 0) {
- fprintf(stderr, "error running function `channel_nam': %s\n", lua_tostring(L, -1));
+ fprintf(stderr, "error running function `channel_name': %s\n", lua_tostring(L, -1));
exit(1);
}
projects / nageru / blobdiff