Mike-Solar
66d761b4b7
- app/ no longer includes engine C++ headers nor holds engine C++ types: engine access goes through the oakengine C ABI plus C++ wrappers (oakutil/oaknode.h, oakutil/oakvideo.h) and app-local mirror types (tooltypes, trackreferencehandle, timelinecommonapp, keyframetypes, subtitleapp, serializedlayoutinfoapp, nodevaluehandle, sliderdisplaytypeapp) - engine: new C ABI functions for block/track/clip/transition navigation and predicates, links, caches, waveform/playback, disk folder, sequence_track_list, node_free, footage_is_valid, block_get_track, get_brush; loadotio/saveotio ported to the current engine API - OTIO is now a required dependency: CI and CD build it on every platform, FindOpenTimelineIO fixed for OTIO 0.16/0.19 (the old deps include requirement silently disabled OTIO everywhere), runtime libraries are bundled into packages and copied next to macOS binaries (oak_copy_otio_runtime) - fix ProjectViewModel drag&drop mime read/write size mismatch (segfault) - unify color label naming (k_olive -> "Oak") in the app-side mirror - docs: OTIO required, FFmpeg minimum corrected to 6.0 (en/zh) - gtest suite: 1925 passed, 0 failed
92 lines
3.0 KiB
C++
92 lines
3.0 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 Olive Team
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Modifications Copyright (C) 2025 mikesolar
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef OAK_TIMELINEWIDGETWAVEFORMSYNC_H
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#define OAK_TIMELINEWIDGETWAVEFORMSYNC_H
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#include <QVector>
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#include "olive/core/util/rational.h"
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#include "olive/core/util/timerange.h"
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#include "oakengine/timeline.h"
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namespace olive
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{
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// Same namespace bridge the engine headers used to provide (unqualified
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// Rational/TimeRange/TimeRangeList inside namespace olive).
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using namespace core;
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/**
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* @brief Data required to synchronize a clip using its cached audio waveform.
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*/
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struct WaveformSyncClip {
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OakEngineBlock *clip = nullptr;
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/// Opaque engine AudioWaveformCache handle, only ever passed to the
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/// oakengine_waveform_cache_* C ABI (never dereferenced).
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const void *waveform = nullptr;
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TimeRange media_range;
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int sample_rate = 0;
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};
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/**
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* @brief Helpers used by TimelineWidget for waveform-based clip synchronization.
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*
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* Kept in a separate unit so they can be exercised directly by unit tests.
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*/
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namespace timeline_waveform_sync
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{
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/**
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* @brief Fill @p out with waveform-sync metadata for @p block if it is usable.
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*
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* A clip is considered usable as long as at least a portion of its media range
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* has been validated in the waveform cache. Previously the whole range had to
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* be validated, which made the context-menu action unavailable for long clips.
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*/
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bool get_waveform_sync_clip(OakEngineBlock *block, WaveformSyncClip *out);
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/**
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* @brief Return all selected blocks that can be synchronized by waveform.
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*/
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QVector<WaveformSyncClip>
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get_selected_waveform_sync_clips(const QVector<OakEngineBlock *> &blocks);
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/**
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* @brief Extract a peak envelope from the validated regions of a waveform cache.
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*
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* Windows that have not been cached yet are filled with zero so that every
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* envelope stays aligned to the same absolute timeline; when @p valid_mask is
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* provided it receives one flag per window marking whether the window was
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* actually cached, allowing the correlation to skip uncached regions instead
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* of treating them as silence.
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*/
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QVector<double> extract_waveform_cache_envelope(const WaveformSyncClip &clip,
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int sample_rate,
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size_t window_samples,
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QVector<bool> *valid_mask = nullptr);
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} // namespace TimelineWaveformSync
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} // namespace olive
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#endif // OAK_TIMELINEWIDGETWAVEFORMSYNC_H
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