#include <cstddef>
#include <new>
#include <utility>
+#include <memory>
+#include "defs.h"
#include "image_input.h"
+#include "mixer.h"
namespace movit {
class ResourcePool;
} // namespace movit
-#define WIDTH 1280 // FIXME
-#define HEIGHT 720 // FIXME
-
using namespace std;
using namespace movit;
+extern Mixer *global_mixer;
+
namespace {
-vector<LiveInputWrapper *> live_inputs;
+class LuaRefWithDeleter {
+public:
+ LuaRefWithDeleter(mutex *m, lua_State *L, int ref) : m(m), L(L), ref(ref) {}
+ ~LuaRefWithDeleter() {
+ unique_lock<mutex> 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;
+};
template<class T, class... Args>
int wrap_lua_object(lua_State* L, const char *class_name, Args&&... args)
void LiveInputWrapper::connect_signal(int signal_num)
{
- theme->connect_signal(input, signal_num);
+ if (global_mixer == nullptr) {
+ return;
+ }
+
+ 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;
+
+ 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]);
}
Theme::Theme(const char *filename, ResourcePool *resource_pool, unsigned num_cards)
assert(lua_gettop(L) == 0);
}
-pair<EffectChain *, function<void()>>
-Theme::get_chain(unsigned num, float t, unsigned width, unsigned height)
+Theme::Chain Theme::get_chain(unsigned num, float t, unsigned width, unsigned height, InputState input_state)
{
+ Chain chain;
+
unique_lock<mutex> lock(m);
assert(lua_gettop(L) == 0);
lua_getglobal(L, "get_chain"); /* function to be called */
exit(1);
}
- EffectChain *chain = (EffectChain *)luaL_checkudata(L, -2, "EffectChain");
+ chain.chain = (EffectChain *)luaL_checkudata(L, -2, "EffectChain");
if (!lua_isfunction(L, -1)) {
fprintf(stderr, "Argument #-1 should be a function\n");
exit(1);
}
lua_pushvalue(L, -1);
- int funcref = luaL_ref(L, LUA_REGISTRYINDEX); // TODO: leak!
+ shared_ptr<LuaRefWithDeleter> funcref(new LuaRefWithDeleter(&m, L, luaL_ref(L, LUA_REGISTRYINDEX)));
lua_pop(L, 2);
assert(lua_gettop(L) == 0);
- return make_pair(chain, [this, funcref]{
+
+ chain.setup_chain = [this, funcref, input_state]{
unique_lock<mutex> lock(m);
+ this->input_state = &input_state;
+
// Set up state, including connecting signals.
- lua_rawgeti(L, LUA_REGISTRYINDEX, funcref);
+ lua_rawgeti(L, LUA_REGISTRYINDEX, funcref->get());
if (lua_pcall(L, 0, 0, 0) != 0) {
fprintf(stderr, "error running chain setup callback: %s\n", lua_tostring(L, -1));
exit(1);
}
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?
+ 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);
+ }
+ }
+
+ return chain;
}
std::string Theme::get_channel_name(unsigned channel)
return ret;
}
-void Theme::connect_signal(YCbCrInput *input, int signal_num)
+int Theme::map_signal(int signal_num)
{
if (signal_num >= int(num_cards)) {
if (signals_warned_about.insert(signal_num).second) {
}
signal_num %= num_cards;
}
- input->set_texture_num(0, input_textures[signal_num].tex_y);
- input->set_texture_num(1, input_textures[signal_num].tex_cbcr);
+ return signal_num;
}
void Theme::transition_clicked(int transition_num, float t)