diff options
Diffstat (limited to 'libmpv/wxwidgets_opengl/main.cpp')
| -rw-r--r-- | libmpv/wxwidgets_opengl/main.cpp | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/libmpv/wxwidgets_opengl/main.cpp b/libmpv/wxwidgets_opengl/main.cpp deleted file mode 100644 index 603cf52..0000000 --- a/libmpv/wxwidgets_opengl/main.cpp +++ /dev/null @@ -1,342 +0,0 @@ -// Build with: g++ -o main main.cpp `wx-config --libs --cxxflags --gl_libs` -lmpv
-
-#include "main.h"
-
-#include <clocale>
-#include <string>
-
-#include <wx/dcbuffer.h>
-#include <wx/display.h>
-
-wxIMPLEMENT_APP(MpvApp);
-
-bool MpvApp::OnInit()
-{
- std::setlocale(LC_NUMERIC, "C");
- (new MpvFrame)->Show(true);
- return true;
-}
-
-wxBEGIN_EVENT_TABLE(MpvGLCanvas, wxGLCanvas)
- EVT_SIZE(MpvGLCanvas::OnSize)
- EVT_PAINT(MpvGLCanvas::OnPaint)
- EVT_ERASE_BACKGROUND(MpvGLCanvas::OnErase)
-wxEND_EVENT_TABLE()
-
-MpvGLCanvas::MpvGLCanvas(wxWindow *parent)
- : wxGLCanvas(parent)
-{
- SetBackgroundStyle(wxBG_STYLE_CUSTOM);
- glContext = new wxGLContext(this);
-}
-
-MpvGLCanvas::~MpvGLCanvas()
-{
- OnRender = nullptr;
- OnSwapBuffers = nullptr;
-
- if (glContext)
- delete glContext;
-}
-
-bool MpvGLCanvas::SetCurrent() const
-{
- if (!glContext)
- return false;
- return wxGLCanvas::SetCurrent(*glContext);
-}
-
-bool MpvGLCanvas::SwapBuffers()
-{
- bool result = wxGLCanvas::SwapBuffers();
- if (OnSwapBuffers)
- OnSwapBuffers(this);
- return result;
-}
-
-void MpvGLCanvas::OnSize(wxSizeEvent &)
-{
- Update();
-}
-
-void MpvGLCanvas::OnErase(wxEraseEvent &event)
-{
- // do nothing to skip erase
-}
-
-void MpvGLCanvas::Render()
-{
- wxClientDC(this);
- DoRender();
-}
-
-void MpvGLCanvas::OnPaint(wxPaintEvent &)
-{
- wxAutoBufferedPaintDC(this);
- DoRender();
-}
-
-void MpvGLCanvas::DoRender()
-{
- SetCurrent();
- if (OnRender)
- OnRender(this, GetSize().x, GetSize().y);
- SwapBuffers();
-}
-
-void *MpvGLCanvas::GetProcAddress(const char *name)
-{
- SetCurrent();
-
-#ifdef __WINDOWS__
- void *result = (void *)::wglGetProcAddress(name);
- if (!result) {
- HMODULE dll = ::LoadLibrary(wxT("opengl32.dll"));
- if (dll) {
- result = (void *)::GetProcAddress(dll, name);
- ::FreeLibrary(dll);
- }
- }
- return result;
-#else
- return (void *)::glxGetProcAddressARB(name);
-#endif
-}
-
-wxDECLARE_APP(MpvApp);
-
-wxDEFINE_EVENT(WX_MPV_WAKEUP, wxThreadEvent);
-wxDEFINE_EVENT(WX_MPV_REDRAW, wxThreadEvent);
-
-wxBEGIN_EVENT_TABLE(MpvFrame, wxFrame)
- EVT_SIZE(MpvFrame::OnSize)
- EVT_CHAR_HOOK(MpvFrame::OnKeyDown)
- EVT_DROP_FILES(MpvFrame::OnDropFiles)
-wxEND_EVENT_TABLE()
-
-MpvFrame::MpvFrame()
- : wxFrame(nullptr, wxID_ANY, "mpv")
-{
- SetBackgroundColour(wxColour(*wxBLACK));
- Center();
- DragAcceptFiles(true);
-
- glCanvas = new MpvGLCanvas(this);
- glCanvas->SetClientSize(GetClientSize());
- glCanvas->OnRender = std::bind(&MpvFrame::DoMpvDraw, this,
- std::placeholders::_2, std::placeholders::_3);
- glCanvas->OnSwapBuffers = std::bind(&MpvFrame::DoMpvFlip, this);
-
- MpvCreate();
-
- if (wxGetApp().argc == 2) {
- const std::string filepath(wxGetApp().argv[1].utf8_str().data());
- const char *cmd[] = { "loadfile", filepath.c_str(), nullptr };
- mpv_command(mpv, cmd);
- }
-}
-
-bool MpvFrame::Destroy()
-{
- MpvDestroy();
- return wxFrame::Destroy();
-}
-
-void MpvFrame::MpvCreate()
-{
- MpvDestroy();
-
- mpv = mpv_create();
- if (!mpv)
- throw std::runtime_error("failed to create mpv instance");
-
- if (mpv_initialize(mpv) < 0)
- throw std::runtime_error("failed to initialize mpv");
-
- mpv_gl = (mpv_opengl_cb_context *)mpv_get_sub_api(mpv, MPV_SUB_API_OPENGL_CB);
- if (!mpv_gl)
- throw std::runtime_error("failed to create mpv GL API handle");
-
- if (mpv_opengl_cb_init_gl(mpv_gl, nullptr, [](void *canvas, const char *name) {
- auto glCanvas = reinterpret_cast<MpvGLCanvas *>(canvas);
- return glCanvas ? glCanvas->GetProcAddress(name) : nullptr;
- }, glCanvas) < 0)
- throw std::runtime_error("failed to initialize mpv GL context");
-
- if (mpv_set_property_string(mpv, "vo", "opengl-cb") < 0)
- throw std::runtime_error("failed to set mpv VO");
-
- mpv_observe_property(mpv, 0, "media-title", MPV_FORMAT_NONE);
-
- Bind(WX_MPV_WAKEUP, &MpvFrame::OnMpvWakeupEvent, this);
- mpv_set_wakeup_callback(mpv, [](void *data) {
- auto window = reinterpret_cast<MpvFrame *>(data);
- if (window) {
- auto event = new wxThreadEvent(WX_MPV_WAKEUP);
- window->GetEventHandler()->QueueEvent(event);
- }
- }, this);
-
- Bind(WX_MPV_REDRAW, &MpvFrame::OnMpvRedrawEvent, this);
- mpv_opengl_cb_set_update_callback(mpv_gl, [](void *data) {
- auto window = reinterpret_cast<MpvFrame *>(data);
- if (window) {
- auto event = new wxThreadEvent(WX_MPV_REDRAW);
- window->GetEventHandler()->QueueEvent(event);
- }
- }, this);
-}
-
-void MpvFrame::MpvDestroy()
-{
- Unbind(WX_MPV_WAKEUP, &MpvFrame::OnMpvWakeupEvent, this);
- Unbind(WX_MPV_REDRAW, &MpvFrame::OnMpvRedrawEvent, this);
-
- if (mpv_gl) {
- mpv_opengl_cb_set_update_callback(mpv_gl, nullptr, nullptr);
- mpv_opengl_cb_uninit_gl(mpv_gl);
- mpv_gl = nullptr;
- }
-
- if (mpv) {
- mpv_terminate_destroy(mpv);
- mpv = nullptr;
- }
-}
-
-bool MpvFrame::Autofit(int percent, bool larger, bool smaller)
-{
- int64_t w, h;
- if (!mpv || mpv_get_property(mpv, "dwidth", MPV_FORMAT_INT64, &w) < 0 ||
- mpv_get_property(mpv, "dheight", MPV_FORMAT_INT64, &h) < 0 ||
- w <= 0 || h <= 0)
- return false;
-
- int screen_id = wxDisplay::GetFromWindow(this);
- if (screen_id == wxNOT_FOUND)
- return false;
-
- wxRect screen = wxDisplay(screen_id).GetClientArea();
- const int n_w = (int)(screen.width * percent * 0.01);
- const int n_h = (int)(screen.height * percent * 0.01);
-
- if ((larger && (w > n_w || h > n_h)) ||
- (smaller && (w < n_w || h < n_h)))
- {
- const float asp = w / (float)h;
- const float n_asp = n_w / (float)n_h;
- if (asp > n_asp) {
- w = n_w;
- h = (int)(n_w / asp);
- } else {
- w = (int)(n_h * asp);
- h = n_h;
- }
- }
-
- const wxRect rc = GetScreenRect();
- SetClientSize(w, h);
- const wxRect n_rc = GetScreenRect();
-
- Move(rc.x + rc.width / 2 - n_rc.width / 2,
- rc.y + rc.height / 2 - n_rc.height / 2);
- return true;
-}
-
-void MpvFrame::OnSize(wxSizeEvent &event)
-{
- if (glCanvas)
- glCanvas->SetClientSize(GetClientSize());
-}
-
-void MpvFrame::OnKeyDown(wxKeyEvent &event)
-{
- if (mpv && event.GetKeyCode() == WXK_SPACE)
- mpv_command_string(mpv, "cycle pause");
- event.Skip();
-}
-
-void MpvFrame::OnDropFiles(wxDropFilesEvent &event)
-{
- int size = event.GetNumberOfFiles();
- if (!size || !mpv)
- return;
-
- auto files = event.GetFiles();
- if (!files)
- return;
-
- for (int i = 0; i < size; ++i) {
- const std::string filepath(files[i].utf8_str().data());
- const char *cmd[] = {
- "loadfile",
- filepath.c_str(),
- i == 0 ? "replace" : "append-play",
- NULL
- };
- mpv_command_async(mpv, 0, cmd);
- }
-}
-
-void MpvFrame::OnMpvEvent(mpv_event &event)
-{
- if (!mpv)
- return;
-
- switch (event.event_id) {
- case MPV_EVENT_VIDEO_RECONFIG:
- // something like --autofit-larger=95%
- Autofit(95, true, false);
- break;
- case MPV_EVENT_PROPERTY_CHANGE: {
- mpv_event_property *prop = (mpv_event_property *)event.data;
- if (strcmp(prop->name, "media-title") == 0) {
- char *data = nullptr;
- if (mpv_get_property(mpv, prop->name, MPV_FORMAT_OSD_STRING, &data) < 0) {
- SetTitle("mpv");
- } else {
- wxString title = wxString::FromUTF8(data);
- if (!title.IsEmpty())
- title += " - ";
- title += "mpv";
- SetTitle(title);
- mpv_free(data);
- }
- }
- break;
- }
- case MPV_EVENT_SHUTDOWN:
- MpvDestroy();
- break;
- default:
- break;
- }
-}
-
-void MpvFrame::OnMpvWakeupEvent(wxThreadEvent &)
-{
- while (mpv) {
- mpv_event *e = mpv_wait_event(mpv, 0);
- if (e->event_id == MPV_EVENT_NONE)
- break;
- OnMpvEvent(*e);
- }
-}
-
-void MpvFrame::OnMpvRedrawEvent(wxThreadEvent &)
-{
- if (glCanvas)
- glCanvas->Render();
-}
-
-void MpvFrame::DoMpvDraw(int w, int h)
-{
- if (mpv_gl)
- mpv_opengl_cb_draw(mpv_gl, 0, w, -h);
-}
-
-void MpvFrame::DoMpvFlip()
-{
- if (mpv_gl)
- mpv_opengl_cb_report_flip(mpv_gl, 0);
-}
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