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Working but dirty implementation of GUI for Timeline and gaps of

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MediaPlayer.
This commit is contained in:
brunoherbelin
2020-08-19 23:15:54 +02:00
parent a4b61927bc
commit 182f204d80
7 changed files with 265 additions and 215 deletions
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163
UserInterfaceManager.cpp
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@@ -1295,8 +1295,18 @@ void MediaController::Render()
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(3.f, 3.f));
// Prepare controllibg the current media player with timeline
// float *array = mp_->timeline.array();
// size_t array_size = mp_->timeline.arraySize();
// static size_t array_size = 1000;
// static float *array = (float *) malloc( sizeof(float) * array_size);
// mp_->timeline().fillArrayFromGaps(array, array_size);
static Timeline working_timeline;
static MediaPlayer *timeline_mp = nullptr;
static size_t array_size = 1200;
static float *array = (float *) malloc( sizeof(float) * array_size);
// static guint64 interval_time_from = GST_CLOCK_TIME_NONE;
// static bool interval_slider_active = false;
guint64 current_t = mp_->position();
guint64 seek_t = current_t;
@@ -1313,35 +1323,64 @@ void MediaController::Render()
size.x *= timeline_zoom;
// draw position when entering
// ImVec2 draw_pos = ImGui::GetCursorPos();
ImVec2 draw_pos = ImGui::GetCursorPos();
// // capture user input (invisible)
// uint press_index = mp_->timeline.arraySize();
// bool pressed = ImGuiToolkit::InvisibleSliderInt("##TimelinePicking", &press_index, 0, array_size-1, size);
// capture user input (invisible)
// static guint64 interval_time_current = 0;
// bool interval_slider_pressed = ImGuiToolkit::InvisibleSliderInt("##TimelinePicking", &interval_time_current, 0, mp_->timeline().end(), size);
// // behavior on action on array of segments
// static bool active = false;
// static float target_value = 0.f;
// static uint starting_index = array_size;
// if (pressed != active) {
// active = pressed;
// if (pressed) {
// starting_index = press_index;
// target_value = array[starting_index] > 0.f ? 0.f : 1.f;
//
if (timeline_mp != mp_) {
timeline_mp = mp_;
working_timeline = timeline_mp->timeline();
working_timeline.fillArrayFromGaps(array, array_size);
}
// if (interval_slider_pressed != interval_slider_active) {
// interval_slider_active = interval_slider_pressed;
// // on press
// if (interval_slider_pressed) {
// interval_time_from = interval_time_current;
// }
// else// action on released
// {
// mp_->timeline.updateGapsFromArray();
// // on release
// else {
// interval_timeline.reset();
// mp_->toggleGapInTimeline(interval_time_from, interval_time_current);
// interval_time_from = GST_CLOCK_TIME_NONE;
// }
// }
// if (active) {
// for (int i = MIN(starting_index, press_index); i < MAX(starting_index, press_index); ++i)
// array[i] = target_value;
// }
// // back to drawing position to draw the segments data with historgram
// ImGui::SetCursorPos(draw_pos);
// ImGui::PlotHistogram("##TimelineHistogram", array, array_size-1.f, 0, NULL, 0.0f, 1.0f, size);
uint press_index = array_size;
bool pressed = ImGuiToolkit::InvisibleSliderInt("##TimelinePicking", &press_index, 0, array_size-1, size);
// behavior on action on array of segments
static bool active = false;
static float target_value = 0.f;
static uint starting_index = array_size;
if (pressed != active) {
active = pressed;
if (pressed) {
starting_index = press_index;
target_value = array[starting_index] > 0.f ? 0.f : 1.f;
}
else // action on released
{
working_timeline.updateGapsFromArray(array, array_size);
timeline_mp->setTimeline(working_timeline);
}
}
if (active) {
for (int i = MIN(starting_index, press_index); i < MAX(starting_index, press_index); ++i)
array[i] = target_value;
}
// back to drawing position to draw the segments data with historgram
ImGui::SetCursorPos(draw_pos);
{
ImGui::PlotHistogram("##TimelineHistogram", array, array_size-1.f, 0, NULL, 0.0f, 1.0f, size);
}
// custom timeline slider
slider_pressed_ = ImGuiToolkit::TimelineSlider("##timeline", &seek_t,
@@ -1368,10 +1407,6 @@ void MediaController::Render()
bool media_play = media_playing_mode_ & (!slider_pressed_);
// apply play action to media only if status should change
// NB: The seek command performed an ASYNC state change, but
// gst_element_get_state called in isPlaying(true) will wait
// for the state change to complete : do not remove it!
// TODO : DO NOT ask for status every frame : high performance cost
if ( mp_->isPlaying() != media_play ) {
mp_->play( media_play );
}
@@ -2358,54 +2393,54 @@ void ShowSandbox(bool* p_open)
}
if (arr != nullptr)
{
// if (arr != nullptr)
// {
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(1, 1));
ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 1.f);
// ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(1, 1));
// ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 1.f);
ImVec2 size = ImGui::CalcItemSize(ImVec2(-FLT_MIN, 0.0f), ImGui::CalcItemWidth(), 20);
// ImVec2 size = ImGui::CalcItemSize(ImVec2(-FLT_MIN, 0.0f), ImGui::CalcItemWidth(), 20);
// draw position when entering
ImVec2 draw_pos = ImGui::GetCursorPos();
// plot the histogram
uint press_index = IM_ARRAYSIZE(arr);
bool pressed = ImGuiToolkit::InvisibleSliderInt("test", &press_index, 0, array_size-1, size);
// // draw position when entering
// ImVec2 draw_pos = ImGui::GetCursorPos();
// // plot the histogram
// uint press_index = IM_ARRAYSIZE(arr);
// bool pressed = ImGuiToolkit::InvisibleSliderInt("test", &press_index, 0, array_size-1, size);
static bool active = false;
static float target_value = 0.f;
static uint starting_index = array_size;
// static bool active = false;
// static float target_value = 0.f;
// static uint starting_index = array_size;
if (pressed != active) {
active = pressed;
starting_index = press_index;
target_value = arr[starting_index] > 0.f ? 0.f : 1.f;
}
// if (pressed != active) {
// active = pressed;
// starting_index = press_index;
// target_value = arr[starting_index] > 0.f ? 0.f : 1.f;
// }
if (active) {
for (int i = MIN(starting_index, press_index); i < MAX(starting_index, press_index); ++i)
arr[i] = target_value;
}
// if (active) {
// for (int i = MIN(starting_index, press_index); i < MAX(starting_index, press_index); ++i)
// arr[i] = target_value;
// }
// back to
ImGui::SetCursorPos(draw_pos);
ImGui::PlotHistogram("Histogram", arr, array_size-1, 0, NULL, 0.0f, 1.0f, size);
// // back to
// ImGui::SetCursorPos(draw_pos);
// ImGui::PlotHistogram("Histogram", arr, array_size-1, 0, NULL, 0.0f, 1.0f, size);
// ImGui::PopStyleColor(1);
// // ImGui::PopStyleColor(1);
bool slider_pressed = ImGuiToolkit::TimelineSlider("timeline", &t, duration, step, size.x);
// bool slider_pressed = ImGuiToolkit::TimelineSlider("timeline", &t, duration, step, size.x);
ImGui::PopStyleVar(2);
// ImGui::PopStyleVar(2);
ImGui::Text("Timeline t %" GST_STIME_FORMAT "\n", GST_STIME_ARGS(t));
ImGui::Text("Timeline Pressed %s", slider_pressed ? "on" : "off");
ImGui::Text("Hover Pressed %s v = %d", pressed ? "on" : "off", press_index);
// ImGui::Text("Timeline t %" GST_STIME_FORMAT "\n", GST_STIME_ARGS(t));
// ImGui::Text("Timeline Pressed %s", slider_pressed ? "on" : "off");
// ImGui::Text("Hover Pressed %s v = %d", pressed ? "on" : "off", press_index);
static int w = 0;
ImGui::SetNextItemWidth(size.x);
ImGui::SliderInt("##int", &w, 0, array_size-1);
// static int w = 0;
// ImGui::SetNextItemWidth(size.x);
// ImGui::SliderInt("##int", &w, 0, array_size-1);
}
// }
ImGui::End();
}