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New MediaPlayer image with timeline

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Enable playing and seeking into a timeline on a media player that loaded an image. Timeline sets a duration (end) and is saved/loaded. Add a gstreamer imagefreeze element in the pipeline to simulate a playable stream. Distinction must be made between 'isImage' (what was loaded) and 'singleFrame' (what is in the pipeline). GUI is added and customized with menu and dialog.
This commit is contained in:
Bruno Herbelin
2023-08-10 00:46:48 +02:00
parent 1d329600af
commit 4efaa1f350
13 changed files with 299 additions and 105 deletions
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237
src/SourceControlWindow.cpp
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@@ -372,61 +372,85 @@ void SourceControlWindow::Render()
//
// Menu for video Mediaplayer control
//
if (ImGui::BeginMenu(ICON_FA_FILM " Video", mediaplayer_active_) )
if (ImGui::BeginMenu(ICON_FA_PHOTO_VIDEO " Media", mediaplayer_active_) )
{
if (ImGui::MenuItem( ICON_FA_REDO_ALT " Reload" ))
mediaplayer_active_->reopen();
if (ImGuiToolkit::MenuItemIcon(16, 16, "Gstreamer effect", nullptr,
false, mediaplayer_active_->videoEffectAvailable()) )
mediaplayer_edit_pipeline_ = true;
if (ImGui::BeginMenu(ICON_FA_SNOWFLAKE " On deactivation"))
{
bool option = !mediaplayer_active_->rewindOnDisabled();
if (ImGui::MenuItem(ICON_FA_STOP " Stop", NULL, &option ))
mediaplayer_active_->setRewindOnDisabled(false);
option = mediaplayer_active_->rewindOnDisabled();
if (ImGui::MenuItem(ICON_FA_FAST_BACKWARD " Rewind & Stop", NULL, &option ))
mediaplayer_active_->setRewindOnDisabled(true);
ImGui::EndMenu();
}
if (ImGui::BeginMenu(ICON_FA_MICROCHIP " Hardware decoding"))
{
bool hwdec = !mediaplayer_active_->softwareDecodingForced();
if (ImGui::MenuItem("Auto", "", &hwdec ))
mediaplayer_active_->setSoftwareDecodingForced(false);
hwdec = mediaplayer_active_->softwareDecodingForced();
if (ImGui::MenuItem("Disabled", "", &hwdec ))
mediaplayer_active_->setSoftwareDecodingForced(true);
ImGui::EndMenu();
}
ImGui::Separator();
ImGui::TextDisabled("Timeline");
if (ImGui::MenuItem(ICON_FA_WINDOW_CLOSE " Reset")){
mediaplayer_timeline_zoom_ = 1.f;
mediaplayer_active_->timeline()->clearFading();
mediaplayer_active_->timeline()->clearGaps();
std::ostringstream oss;
oss << SystemToolkit::base_filename( mediaplayer_active_->filename() );
oss << ": Reset timeline";
Action::manager().store(oss.str());
}
if ( !mediaplayer_active_->singleFrame() ) {
if (ImGui::MenuItem( ICON_FA_REDO_ALT " Reload" ))
mediaplayer_active_->reopen();
if (ImGuiToolkit::MenuItemIcon(16, 16, "Gstreamer effect", nullptr,
false, mediaplayer_active_->videoEffectAvailable()) )
mediaplayer_edit_pipeline_ = true;
if (ImGui::BeginMenu(ICON_FA_MICROCHIP " Hardware decoding"))
{
bool hwdec = !mediaplayer_active_->softwareDecodingForced();
if (ImGui::MenuItem("Auto", "", &hwdec ))
mediaplayer_active_->setSoftwareDecodingForced(false);
hwdec = mediaplayer_active_->softwareDecodingForced();
if (ImGui::MenuItem("Disabled", "", &hwdec ))
mediaplayer_active_->setSoftwareDecodingForced(true);
ImGui::EndMenu();
}
if (ImGui::BeginMenu(ICON_FA_SNOWFLAKE " On deactivation"))
{
bool option = !mediaplayer_active_->rewindOnDisabled();
if (ImGui::MenuItem(ICON_FA_STOP " Stop", NULL, &option ))
mediaplayer_active_->setRewindOnDisabled(false);
option = mediaplayer_active_->rewindOnDisabled();
if (ImGui::MenuItem(ICON_FA_FAST_BACKWARD " Rewind & Stop", NULL, &option ))
mediaplayer_active_->setRewindOnDisabled(true);
ImGui::EndMenu();
}
ImGui::Separator();
ImGui::TextDisabled("Timeline");
if (ImGui::MenuItem(LABEL_EDIT_FADING))
mediaplayer_edit_fading_ = true;
if ( mediaplayer_active_->isImage()) {
if ( ImGuiToolkit::MenuItemIcon(1, 14, "Remove")){
// set empty timeline
Timeline tl;
mediaplayer_active_->setTimeline(tl);
mediaplayer_active_->play(false);
// re-open the image with NO timeline
mediaplayer_active_->reopen();
mediaplayer_active_ = nullptr;
}
if ( ImGui::MenuItem(ICON_FA_HOURGLASS_HALF " Duration")){
mediaplayer_set_duration_ = true;
}
}
if (ImGui::MenuItem(ICON_FA_WINDOW_CLOSE " Reset")){
mediaplayer_timeline_zoom_ = 1.f;
mediaplayer_active_->timeline()->clearFading();
mediaplayer_active_->timeline()->clearGaps();
std::ostringstream oss;
oss << SystemToolkit::base_filename( mediaplayer_active_->filename() );
oss << ": Reset timeline";
Action::manager().store(oss.str());
}
if (ImGui::MenuItem(LABEL_EDIT_FADING))
mediaplayer_edit_fading_ = true;
if (ImGui::BeginMenu(ICON_FA_CLOCK " Metronome"))
{
Metronome::Synchronicity sync = mediaplayer_active_->syncToMetronome();
bool active = sync == Metronome::SYNC_NONE;
if (ImGuiToolkit::MenuItemIcon(5, 13, " Not synchronized", NULL, active ))
mediaplayer_active_->setSyncToMetronome(Metronome::SYNC_NONE);
active = sync == Metronome::SYNC_BEAT;
if (ImGuiToolkit::MenuItemIcon(6, 13, " Sync to beat", NULL, active ))
mediaplayer_active_->setSyncToMetronome(Metronome::SYNC_BEAT);
active = sync == Metronome::SYNC_PHASE;
if (ImGuiToolkit::MenuItemIcon(7, 13, " Sync to phase", NULL, active ))
mediaplayer_active_->setSyncToMetronome(Metronome::SYNC_PHASE);
ImGui::EndMenu();
}
}
else {
if (ImGui::MenuItem( ICON_FA_REDO_ALT " Reload" ))
mediaplayer_active_->reopen();
if (ImGui::BeginMenu(ICON_FA_CLOCK " Metronome"))
{
Metronome::Synchronicity sync = mediaplayer_active_->syncToMetronome();
bool active = sync == Metronome::SYNC_NONE;
if (ImGuiToolkit::MenuItemIcon(5, 13, " Not synchronized", NULL, active ))
mediaplayer_active_->setSyncToMetronome(Metronome::SYNC_NONE);
active = sync == Metronome::SYNC_BEAT;
if (ImGuiToolkit::MenuItemIcon(6, 13, " Sync to beat", NULL, active ))
mediaplayer_active_->setSyncToMetronome(Metronome::SYNC_BEAT);
active = sync == Metronome::SYNC_PHASE;
if (ImGuiToolkit::MenuItemIcon(7, 13, " Sync to phase", NULL, active ))
mediaplayer_active_->setSyncToMetronome(Metronome::SYNC_PHASE);
ImGui::EndMenu();
}
ImGui::EndMenu();
@@ -640,7 +664,7 @@ void SourceControlWindow::RenderSelection(size_t i)
for (auto source = selection_.begin(); source != selection_.end(); ++source) {
// collect durations of all media sources
MediaSource *ms = dynamic_cast<MediaSource *>(*source);
if (ms != nullptr && !ms->mediaplayer()->isImage())
if (ms != nullptr && !ms->mediaplayer()->singleFrame())
durations.push_back(static_cast<guint64>(static_cast<double>(ms->mediaplayer()->timeline()->sectionsDuration()) / fabs(ms->mediaplayer()->playSpeed())));
// compute the displayed width of frames of this source, and keep the max to align afterwards
float w = 1.5f * timeline_height_ * (*source)->frame()->aspectRatio();
@@ -677,7 +701,7 @@ void SourceControlWindow::RenderSelection(size_t i)
// get media source
MediaSource *ms = dynamic_cast<MediaSource *>(*source);
if (ms == nullptr || ms->mediaplayer()->isImage()) {
if (ms == nullptr || ms->mediaplayer()->singleFrame()) {
// leave the source in the list and continue
++source;
continue;
@@ -1284,7 +1308,7 @@ void SourceControlWindow::RenderSelectedSources()
std::string label(ICON_FA_PLUS_CIRCLE);
if (space > buttons_width_) { // enough space to show full button with label text
label += LABEL_STORE_SELECTION;
width = buttons_width_;
width = buttons_width_ - ImGui::GetTextLineHeightWithSpacing();
}
ImGui::SameLine(0, space -width);
ImGui::SetNextItemWidth(width);
@@ -1385,6 +1409,47 @@ void SourceControlWindow::RenderSingleSource(Source *s)
/// Play button bar
///
DrawButtonBar(bottom, rendersize.x);
// If possibly a media source, but is not playable
// then offer to make it playable by adding a timeline
if ( ms != nullptr )
{
if (ms->mediaplayer()->isImage()) {
ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0.00f, 0.00f, 0.00f, 0.00f));
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(0.14f, 0.14f, 0.14f, 0.5f));
float space = ImGui::GetContentRegionAvail().x;
float width = buttons_height_ ;
if (space > buttons_width_)
width = buttons_width_ - ImGui::GetTextLineHeightWithSpacing();
ImGui::SameLine(0, space -width);
ImGui::SetNextItemWidth(width);
if (ImGuiToolkit::ButtonIcon( 0, 14, LABEL_ADD_TIMELINE, space > buttons_width_ )) {
// activate mediaplayer
mediaplayer_active_ = ms->mediaplayer();
// set timeline to default 1 second
Timeline tl;
TimeInterval interval(0, GST_SECOND);
// set fixed framerate to 25 FPS
tl.setTiming( interval, 40 * GST_MSECOND);
mediaplayer_active_->setTimeline(tl);
// set to play
mediaplayer_active_->play(true);
// re-open the image with a timeline
mediaplayer_active_->reopen();
// open dialog to set duration
mediaplayer_set_duration_ = true;
}
ImGui::PopStyleColor(2);
}
}
}
}
@@ -1746,6 +1811,9 @@ void SourceControlWindow::RenderMediaPlayer(MediaSource *ms)
}
///
/// Dialog to edit timeline fade in and out
///
if (mediaplayer_edit_fading_) {
ImGui::OpenPopup(LABEL_EDIT_FADING);
mediaplayer_edit_fading_ = false;
@@ -1824,11 +1892,14 @@ void SourceControlWindow::RenderMediaPlayer(MediaSource *ms)
ImGui::EndPopup();
}
///
/// Dialog to set gstreamer video effect
///
static std::string _effect_description = "";
static bool _effect_description_changed = false;
if (mediaplayer_edit_pipeline_) {
// open dialog
ImGui::OpenPopup("Gstreamer Video effect");
ImGui::OpenPopup(DIALOG_GST_EFFECT);
mediaplayer_edit_pipeline_ = false;
// initialize dialog
_effect_description = mediaplayer_active_->videoEffect();
@@ -1838,7 +1909,7 @@ void SourceControlWindow::RenderMediaPlayer(MediaSource *ms)
ImGui::SetNextWindowSize(mpp_dialog_size, ImGuiCond_Always);
const ImVec2 mpp_dialog_pos = top + rendersize * 0.5f - mpp_dialog_size * 0.5f;
ImGui::SetNextWindowPos(mpp_dialog_pos, ImGuiCond_Always);
if (ImGui::BeginPopupModal("Gstreamer Video effect", NULL, ImGuiWindowFlags_NoResize))
if (ImGui::BeginPopupModal(DIALOG_GST_EFFECT, NULL, ImGuiWindowFlags_NoResize))
{
const ImVec2 pos = ImGui::GetCursorPos();
const ImVec2 area = ImGui::GetContentRegionAvail();
@@ -1970,6 +2041,58 @@ void SourceControlWindow::RenderMediaPlayer(MediaSource *ms)
ImGui::CloseCurrentPopup();
ImGui::EndPopup();
}
////
/// Dialog to set timeline duration
///
static double timeline_duration_ = 0.0;
if (mediaplayer_set_duration_) {
mediaplayer_set_duration_ = false;
// open dialog
if (mediaplayer_active_) {
// get current duration of mediaplayer
GstClockTime end = mediaplayer_active_->timeline()->end();
timeline_duration_ = (double) ( GST_TIME_AS_MSECONDS(end) ) / 1000.f;
// open dialog to change duration
ImGui::OpenPopup(DIALOG_TIMELINE_DURATION);
}
}
const ImVec2 tld_dialog_size(buttons_width_ * 2.f, buttons_height_ * 4);
ImGui::SetNextWindowSize(tld_dialog_size, ImGuiCond_Always);
const ImVec2 tld_dialog_pos = top + rendersize * 0.5f - tld_dialog_size * 0.5f;
ImGui::SetNextWindowPos(tld_dialog_pos, ImGuiCond_Always);
if (ImGui::BeginPopupModal(DIALOG_TIMELINE_DURATION, NULL, ImGuiWindowFlags_NoResize))
{
const ImVec2 pos = ImGui::GetCursorPos();
const ImVec2 area = ImGui::GetContentRegionAvail();
ImGui::Spacing();
ImGui::Text("Set the duration of the timeline");
ImGui::Spacing();
// get current timeline
Timeline tl = *mediaplayer_active_->timeline();
ImGui::InputDouble("second", &timeline_duration_, 1.0f, 10.0f, "%.2f");
timeline_duration_ = ABS(timeline_duration_);
bool close = false;
ImGui::SetCursorPos(pos + ImVec2(0.f, area.y - buttons_height_));
if (ImGui::Button(ICON_FA_TIMES " Cancel", ImVec2(area.x * 0.3f, 0)))
close = true;
ImGui::SetCursorPos(pos + ImVec2(area.x * 0.7f, area.y - buttons_height_));
ImGui::PushStyleColor(ImGuiCol_Button, ImGui::GetStyleColorVec4(ImGuiCol_Tab));
if (ImGui::Button(ICON_FA_CHECK " Apply", ImVec2(area.x * 0.3f, 0))
|| ImGui::IsKeyPressedMap(ImGuiKey_Enter) || ImGui::IsKeyPressedMap(ImGuiKey_KeyPadEnter) ) {
// change timeline end
mediaplayer_active_->timeline()->setEnd( GST_MSECOND * (GstClockTime) ( timeline_duration_ * 1000.f ) );
// close dialog
close = true;
}
ImGui::PopStyleColor(1);
if (close)
ImGui::CloseCurrentPopup();
ImGui::EndPopup();
}
}
void SourceControlWindow::DrawButtonBar(ImVec2 bottom, float width)