forked from mia/Aegisub
94 lines
3.2 KiB
C++
94 lines
3.2 KiB
C++
// Copyright (c) 2011, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file audio_marker_provider_keyframes.cpp
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/// @see audio_marker_provider_keyframes.h
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/// @ingroup audio_ui
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///
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#include "config.h"
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#include "audio_marker_provider_keyframes.h"
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#include "include/aegisub/context.h"
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#include "main.h"
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#include "pen.h"
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#include "video_context.h"
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#ifndef AGI_PRE
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#include <algorithm>
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#endif
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class AudioMarkerKeyframe : public AudioMarker {
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Pen *style;
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int64_t position;
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public:
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AudioMarkerKeyframe(Pen *style, int64_t position) : style(style), position(position) { }
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int64_t GetPosition() const { return position; }
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FeetStyle GetFeet() const { return Feet_None; }
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bool CanSnap() const { return true; }
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wxPen GetStyle() const { return *style; }
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operator int64_t() const { return position; }
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};
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AudioMarkerProviderKeyframes::AudioMarkerProviderKeyframes(agi::Context *c, const char *opt_name)
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: controller(c->audioController)
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, vc(c->videoController)
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, keyframe_slot(vc->AddKeyframesListener(&AudioMarkerProviderKeyframes::Update, this))
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, audio_open_slot(controller->AddAudioOpenListener(&AudioMarkerProviderKeyframes::Update, this))
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, timecode_slot(vc->AddTimecodesListener(&AudioMarkerProviderKeyframes::Update, this))
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, enabled_slot(OPT_SUB(opt_name, &AudioMarkerProviderKeyframes::Update, this))
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, enabled_opt(OPT_GET(opt_name))
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, style(new Pen("Colour/Audio Display/Keyframe"))
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{
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Update();
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}
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AudioMarkerProviderKeyframes::~AudioMarkerProviderKeyframes() { }
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void AudioMarkerProviderKeyframes::Update() {
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std::vector<int> const& keyframes = vc->GetKeyFrames();
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agi::vfr::Framerate const& timecodes = vc->FPS();
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if (keyframes.empty() || !timecodes.IsLoaded() || !enabled_opt->GetBool()) {
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if (!markers.empty()) {
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markers.clear();
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AnnounceMarkerMoved();
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}
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return;
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}
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markers.clear();
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markers.reserve(keyframes.size());
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for (size_t i = 0; i < keyframes.size(); ++i) {
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markers.push_back(AudioMarkerKeyframe(style.get(),
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controller->SamplesFromMilliseconds(timecodes.TimeAtFrame(keyframes[i]))));
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}
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AnnounceMarkerMoved();
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}
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void AudioMarkerProviderKeyframes::GetMarkers(SampleRange const& range, AudioMarkerVector &out) const {
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// Find first and last keyframes inside the range
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std::vector<AudioMarkerKeyframe>::const_iterator
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a = lower_bound(markers.begin(), markers.end(), range.begin()),
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b = upper_bound(markers.begin(), markers.end(), range.end());
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// Place pointers to the markers in the output vector
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for (; a != b; ++a)
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out.push_back(&*a);
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}
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