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https://github.com/OrcaSlicer/OrcaSlicer.git
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NEW: reimpl wxMediaCtrl from ffmpeg
Jira: none Change-Id: I46a47118a7649b2a50fcce8911e2888342ef25de (cherry picked from commit d6c7f08769c8cfdbbf0e80ad280c9b3408a3c27d) (cherry picked from commit 94d91be60bfe9bbbcdd21f85b46abc3faf126f17)
This commit is contained in:
chunmao.guo
267
src/slic3r/GUI/wxMediaCtrl3.cpp
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267
src/slic3r/GUI/wxMediaCtrl3.cpp
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#include "wxMediaCtrl3.h"
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#include "AVVideoDecoder.hpp"
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#include "I18N.hpp"
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#include "libslic3r/Utils.hpp"
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#ifdef __WIN32__
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#include <versionhelpers.h>
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#include <wx/msw/registry.h>
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#include <shellapi.h>
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#endif
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//wxDEFINE_EVENT(EVT_MEDIA_CTRL_STAT, wxCommandEvent);
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BEGIN_EVENT_TABLE(wxMediaCtrl3, wxWindow)
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// catch paint events
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EVT_PAINT(wxMediaCtrl3::paintEvent)
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END_EVENT_TABLE()
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struct StaticBambuLib : BambuLib
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{
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static StaticBambuLib &get();
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};
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wxMediaCtrl3::wxMediaCtrl3(wxWindow *parent)
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: wxWindow(parent, wxID_ANY)
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, BambuLib(StaticBambuLib::get())
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, m_thread([this] { PlayThread(); })
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{
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SetBackgroundColour(*wxBLACK);
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}
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wxMediaCtrl3::~wxMediaCtrl3()
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{
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{
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std::unique_lock<std::mutex> lk(m_mutex);
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m_url.reset(new wxURI);
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m_frame = wxImage(m_idle_image);
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m_cond.notify_all();
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}
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m_thread.join();
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}
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void wxMediaCtrl3::Load(wxURI url)
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{
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std::unique_lock<std::mutex> lk(m_mutex);
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m_video_size = wxDefaultSize;
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m_error = 0;
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m_url.reset(new wxURI(url));
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m_cond.notify_all();
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}
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void wxMediaCtrl3::Play()
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{
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std::unique_lock<std::mutex> lk(m_mutex);
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if (m_state != wxMEDIASTATE_PLAYING) {
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m_state = wxMEDIASTATE_PLAYING;
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wxMediaEvent event(wxEVT_MEDIA_STATECHANGED);
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event.SetId(GetId());
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event.SetEventObject(this);
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wxPostEvent(this, event);
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}
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}
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void wxMediaCtrl3::Stop()
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{
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std::unique_lock<std::mutex> lk(m_mutex);
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m_url.reset();
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m_frame = wxImage(m_idle_image);
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m_cond.notify_all();
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Refresh();
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}
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void wxMediaCtrl3::SetIdleImage(wxString const &image)
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{
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if (m_idle_image == image)
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return;
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m_idle_image = image;
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if (m_url == nullptr) {
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std::unique_lock<std::mutex> lk(m_mutex);
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m_frame = wxImage(m_idle_image);
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assert(m_frame.IsOk());
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Refresh();
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}
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}
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wxMediaState wxMediaCtrl3::GetState()
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{
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std::unique_lock<std::mutex> lk(m_mutex);
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return m_state;
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}
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int wxMediaCtrl3::GetLastError()
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{
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std::unique_lock<std::mutex> lk(m_mutex);
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return m_error;
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}
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wxSize wxMediaCtrl3::GetVideoSize()
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{
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std::unique_lock<std::mutex> lk(m_mutex);
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return m_video_size;
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}
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wxSize wxMediaCtrl3::DoGetBestSize() const
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{
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return {-1, -1};
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}
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static void adjust_frame_size(wxSize & frame, wxSize const & video, wxSize const & window)
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{
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if (video.x * window.y < video.y * window.x)
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frame = { video.x * window.y / video.y, window.y };
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else
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frame = { window.x, video.y * window.x / video.x };
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}
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void wxMediaCtrl3::paintEvent(wxPaintEvent &evt)
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{
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wxPaintDC dc(this);
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auto size = GetSize();
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std::unique_lock<std::mutex> lk(m_mutex);
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if (!m_frame.IsOk())
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return;
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auto size2 = m_frame.GetSize();
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if (size2.x != m_frame_size.x && size2.y == m_frame_size.y)
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size2.x = m_frame_size.x;
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if (size2.x != size.x && size2.y != size.y) {
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auto scale = std::min(double(size.x) / size2.x, double(size.y) / size2.y);
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dc.SetUserScale(scale, scale);
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adjust_frame_size(size2, size2, size);
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}
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size2 = (size - size2) / 2;
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dc.DrawBitmap(m_frame, size2.x, size2.y);
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}
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void wxMediaCtrl3::DoSetSize(int x, int y, int width, int height, int sizeFlags)
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{
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wxWindow::DoSetSize(x, y, width, height, sizeFlags);
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if (sizeFlags & wxSIZE_USE_EXISTING) return;
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wxMediaCtrl_OnSize(this, m_video_size, width, height);
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}
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void wxMediaCtrl3::bambu_log(void *ctx, int level, tchar const *msg2)
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{
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#ifdef _WIN32
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wxString msg(msg2);
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#else
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wxString msg = wxString::FromUTF8(msg2);
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#endif
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if (level == 1) {
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if (msg.EndsWith("]")) {
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int n = msg.find_last_of('[');
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if (n != wxString::npos) {
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long val = 0;
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wxMediaCtrl3 *ctrl = (wxMediaCtrl3 *) ctx;
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if (msg.SubString(n + 1, msg.Length() - 2).ToLong(&val)) {
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std::unique_lock<std::mutex> lk(ctrl->m_mutex);
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ctrl->m_error = (int) val;
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}
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}
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} else if (msg.Contains("stat_log")) {
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wxCommandEvent evt(EVT_MEDIA_CTRL_STAT);
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wxMediaCtrl3 *ctrl = (wxMediaCtrl3 *) ctx;
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evt.SetEventObject(ctrl);
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evt.SetString(msg.Mid(msg.Find(' ') + 1));
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wxPostEvent(ctrl, evt);
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}
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}
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BOOST_LOG_TRIVIAL(info) << msg.ToUTF8().data();
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}
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void wxMediaCtrl3::PlayThread()
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{
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using namespace std::chrono_literals;
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std::shared_ptr<wxURI> url;
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std::unique_lock<std::mutex> lk(m_mutex);
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while (true) {
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m_cond.wait(lk, [this, &url] { return m_url != url; });
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url = m_url;
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if (url == nullptr)
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continue;
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if (!url->HasScheme())
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break;
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lk.unlock();
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Bambu_Tunnel tunnel = nullptr;
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int error = Bambu_Create(&tunnel, m_url->BuildURI().ToUTF8());
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if (error == 0) {
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Bambu_SetLogger(tunnel, &wxMediaCtrl3::bambu_log, this);
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error = Bambu_Open(tunnel);
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if (error == 0)
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error = Bambu_would_block;
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}
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lk.lock();
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while (error == int(Bambu_would_block)) {
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m_cond.wait_for(lk, 100ms);
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if (m_url != url) {
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error = 1;
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break;
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}
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lk.unlock();
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error = Bambu_StartStream(tunnel, true);
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lk.lock();
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}
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Bambu_StreamInfo info;
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if (error == 0)
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error = Bambu_GetStreamInfo(tunnel, 0, &info);
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AVVideoDecoder decoder;
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if (error == 0) {
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decoder.open(info);
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m_video_size = { info.format.video.width, info.format.video.height };
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adjust_frame_size(m_frame_size, m_video_size, GetSize());
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NotifyStopped();
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}
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Bambu_Sample sample;
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while (error == 0) {
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lk.unlock();
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error = Bambu_ReadSample(tunnel, &sample);
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lk.lock();
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while (error == int(Bambu_would_block)) {
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m_cond.wait_for(lk, 100ms);
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if (m_url != url) {
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error = 1;
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break;
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}
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lk.unlock();
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error = Bambu_ReadSample(tunnel, &sample);
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lk.lock();
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}
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if (error == 0) {
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if (m_url != url) {
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error = 1;
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break;
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}
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lk.unlock();
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wxBitmap bm;
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decoder.decode(sample);
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decoder.toWxBitmap(bm, m_frame_size);
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lk.lock();
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if (bm.IsOk())
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m_frame = bm;
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CallAfter([this] { Refresh(); });
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}
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}
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if (tunnel) {
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lk.unlock();
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Bambu_Close(tunnel);
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Bambu_Destroy(tunnel);
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tunnel = nullptr;
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lk.lock();
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}
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if (m_url == url)
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m_error = error;
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m_video_size = wxDefaultSize;
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NotifyStopped();
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}
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}
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void wxMediaCtrl3::NotifyStopped()
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{
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m_state = wxMEDIASTATE_STOPPED;
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wxMediaEvent event(wxEVT_MEDIA_STATECHANGED);
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event.SetId(GetId());
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event.SetEventObject(this);
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wxPostEvent(this, event);
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}
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