From 934ca786ed4e7f62c8c598eeaf83ac887b8d9524 Mon Sep 17 00:00:00 2001 From: Jonathan Thomas Date: Thu, 6 Oct 2022 15:07:31 -0500 Subject: [PATCH] Adding new Clear() method to Timeline, to delete all allocated clips, effects, and frame mapeprs (freeing memory). Also, keep track of allocated clips and effects on timeline (when using SetJson to create them), so we can clean them up correctly on Clear() or RemoveClip()/RemoveEffect(). Added new test case for Clear(). --- src/Timeline.cpp | 108 +++++++++++++++++++++++++++++++++++---------- src/Timeline.h | 5 +++ tests/Timeline.cpp | 44 ++++++++++++++++++ 3 files changed, 134 insertions(+), 23 deletions(-) diff --git a/src/Timeline.cpp b/src/Timeline.cpp index 14c133cb..52e8af3f 100644 --- a/src/Timeline.cpp +++ b/src/Timeline.cpp @@ -208,23 +208,14 @@ Timeline::~Timeline() { // Auto Close if not already Close(); - // Free all allocated frame mappers - std::set::iterator it; - for (it = allocated_frame_mappers.begin(); it != allocated_frame_mappers.end(); ) { - // Dereference and clean up FrameMapper object - FrameMapper *mapper = (*it); - mapper->Reader(NULL); - mapper->Close(); - delete mapper; - // Remove reference and proceed to next element - it = allocated_frame_mappers.erase(it); - } + // Remove all clips, effects, and frame mappers + Clear(); - // Destroy previous cache (if managed by timeline) - if (managed_cache && final_cache) { - delete final_cache; - final_cache = NULL; - } + // Destroy previous cache (if managed by timeline) + if (managed_cache && final_cache) { + delete final_cache; + final_cache = NULL; + } } // Add to the tracked_objects map a pointer to a tracked object (TrackedObjectBBox) @@ -375,12 +366,26 @@ void Timeline::AddEffect(EffectBase* effect) void Timeline::RemoveEffect(EffectBase* effect) { effects.remove(effect); + + // Delete effect object (if timeline allocated it) + bool allocated = allocated_effects.count(effect); + if (allocated) { + delete effect; + effect = NULL; + } } // Remove an openshot::Clip to the timeline void Timeline::RemoveClip(Clip* clip) { clips.remove(clip); + + // Delete clip object (if timeline allocated it) + bool allocated = allocated_clips.count(clip); + if (allocated) { + delete clip; + clip = NULL; + } } // Look up a clip @@ -473,6 +478,10 @@ void Timeline::apply_mapper_to_clip(Clip* clip) // Get the existing reader clip_reader = (ReaderBase*) clip->Reader(); + // Update the mapping + FrameMapper* clip_mapped_reader = (FrameMapper*) clip_reader; + clip_mapped_reader->ChangeMapping(info.fps, PULLDOWN_NONE, info.sample_rate, info.channels, info.channel_layout); + } else { // Create a new FrameMapper to wrap the current reader @@ -481,10 +490,6 @@ void Timeline::apply_mapper_to_clip(Clip* clip) clip_reader = (ReaderBase*) mapper; } - // Update the mapping - FrameMapper* clip_mapped_reader = (FrameMapper*) clip_reader; - clip_mapped_reader->ChangeMapping(info.fps, PULLDOWN_NONE, info.sample_rate, info.channels, info.channel_layout); - // Update clip reader clip->Reader(clip_reader); } @@ -763,6 +768,49 @@ void Timeline::sort_effects() effects.sort(CompareEffects()); } +// Clear all clips from timeline +void Timeline::Clear() +{ + ZmqLogger::Instance()->AppendDebugMethod("Timeline::Clear"); + + // Close all open clips + for (auto clip : clips) + { + update_open_clips(clip, false); + + // Delete clip object (if timeline allocated it) + bool allocated = allocated_clips.count(clip); + if (allocated) { + delete clip; + clip = NULL; + } + } + // Clear all clips + clips.clear(); + + // Close all effects + for (auto effect : effects) + { + // Delete effect object (if timeline allocated it) + bool allocated = allocated_effects.count(effect); + if (allocated) { + delete effect; + effect = NULL; + } + } + // Clear all effects + effects.clear(); + + // Delete all FrameMappers + for (auto mapper : allocated_frame_mappers) + { + mapper->Reader(NULL); + mapper->Close(); + delete mapper; + } + allocated_frame_mappers.clear(); +} + // Close the reader (and any resources it was consuming) void Timeline::Close() { @@ -1072,7 +1120,7 @@ void Timeline::SetJson(const std::string value) { // Load Json::Value into this object void Timeline::SetJsonValue(const Json::Value root) { - // Close timeline before we do anything (this also removes all open and closing clips) + // Close timeline before we do anything (this closes all clips) bool was_open = is_open; Close(); @@ -1092,6 +1140,9 @@ void Timeline::SetJsonValue(const Json::Value root) { // Create Clip Clip *c = new Clip(); + // Keep track of allocated clip objects + allocated_clips.insert(c); + // When a clip is attached to an object, it searches for the object // on it's parent timeline. Setting the parent timeline of the clip here // allows attaching it to an object when exporting the project (because) @@ -1120,6 +1171,9 @@ void Timeline::SetJsonValue(const Json::Value root) { // Create instance of effect if ( (e = EffectInfo().CreateEffect(existing_effect["type"].asString())) ) { + // Keep track of allocated effect objects + allocated_effects.insert(e); + // Load Json into Effect e->SetJsonValue(existing_effect); @@ -1255,9 +1309,14 @@ void Timeline::apply_json_to_clips(Json::Value change) { // Determine type of change operation if (change_type == "insert") { - // Create new clip + // Create clip Clip *clip = new Clip(); - clip->SetJsonValue(change["value"]); // Set properties of new clip from JSON + + // Keep track of allocated clip objects + allocated_clips.insert(clip); + + // Set properties of clip from JSON + clip->SetJsonValue(change["value"]); AddClip(clip); // Add clip to timeline // Apply framemapper (or update existing framemapper) @@ -1363,6 +1422,9 @@ void Timeline::apply_json_to_effects(Json::Value change, EffectBase* existing_ef // Init the matching effect object if ( (e = EffectInfo().CreateEffect(effect_type)) ) { + // Keep track of allocated effect objects + allocated_effects.insert(e); + // Load Json into Effect e->SetJsonValue(change["value"]); diff --git a/src/Timeline.h b/src/Timeline.h index e1f26998..1a4bde22 100644 --- a/src/Timeline.h +++ b/src/Timeline.h @@ -154,7 +154,9 @@ namespace openshot { std::list clips; /// closing_clips; /// open_clips; /// allocated_clips; /// effects; /// allocated_effects; /// allocated_frame_mappers; ///< all the frame mappers we allocated and must free bool managed_cache; ///< Does this timeline instance manage the cache object @@ -258,6 +260,9 @@ namespace openshot { /// @brief Automatically map all clips to the timeline's framerate and samplerate void AutoMapClips(bool auto_map) { auto_map_clips = auto_map; }; + /// Clear all clips, effects, and frame mappers from timeline (and free memory) + void Clear(); + /// Clear all cache for this timeline instance, including all clips' cache /// @param deep If True, clear all FrameMappers and nested Readers (QtImageReader, FFmpegReader, etc...) void ClearAllCache(bool deep=false); diff --git a/tests/Timeline.cpp b/tests/Timeline.cpp index 7f436c97..03a1e708 100644 --- a/tests/Timeline.cpp +++ b/tests/Timeline.cpp @@ -42,6 +42,50 @@ TEST_CASE( "constructor", "[libopenshot][timeline]" ) CHECK(t2.info.height == 240); } +TEST_CASE( "Set Json and clear clips", "[libopenshot][timeline]" ) +{ + Fraction fps(30000,1000); + Timeline t(640, 480, fps, 44100, 2, LAYOUT_STEREO); + + // Large ugly JSON project (4 clips + 3 transitions) + std::stringstream project_json; + project_json << 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Open Movie Team\",\"compatible_brands\":\"isomiso2avc1mp41\",\"copyright\":\"(c) copyright Blender Foundation | durian.blender.org\",\"creation_time\":\"1970-01-01T00:00:00.000000Z\",\"description\":\"Trailer for the Sintel open movie project\",\"encoder\":\"Lavf52.62.0\",\"handler_name\":\"SoundHandler\",\"language\":\"und\",\"major_brand\":\"isom\",\"minor_version\":\"512\",\"title\":\"Sintel Trailer\"},\"path\":\"" << TEST_MEDIA_PATH << "sintel_trailer-720p.mp4\",\"pixel_format\":0,\"pixel_ratio\":{\"den\":1,\"num\":1},\"sample_rate\":48000,\"top_field_first\":true,\"type\":\"FFmpegReader\",\"vcodec\":\"h264\",\"video_bit_rate\":145725,\"video_length\":\"1253\",\"video_stream_index\":0,\"video_timebase\":{\"den\":24,\"num\":1},\"width\":1280},\"rotation\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":0},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"scale\":1,\"scale_x\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"scale_y\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"shear_x\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":0},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"shear_y\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":0},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"start\":0,\"time\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"volume\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"wave_color\":{\"alpha\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":255},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"blue\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":255},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"green\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":123},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"red\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":0},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]}},\"waveform\":false,\"file_id\":\"XL7T80Y9R1\",\"title\":\"sintel_trailer-720p.mp4\",\"image\":\"@assets/thumbnail/XL7T80Y9R1.png\"},{\"alpha\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"anchor\":0,\"channel_filter\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"channel_mapping\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"display\":0,\"duration\":51.9466667175293,\"effects\":[],\"end\":20.866666666666667,\"gravity\":4,\"has_audio\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"has_video\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"layer\":5000000,\"location_x\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":0},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"location_y\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":0},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"mixing\":0,\"origin_x\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":0.5},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"origin_y\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":0.5},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"parentObjectId\":\"\",\"perspective_c1_x\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"perspective_c1_y\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"perspective_c2_x\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"perspective_c2_y\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"perspective_c3_x\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"perspective_c3_y\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_typ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"mask.png\",\"pixel_format\":-1,\"pixel_ratio\":{\"den\":1,\"num\":1},\"sample_rate\":0,\"top_field_first\":true,\"type\":\"QtImageReader\",\"vcodec\":\"\",\"video_bit_rate\":0,\"video_length\":\"108000\",\"video_stream_index\":-1,\"video_timebase\":{\"den\":30,\"num\":1},\"width\":720},\"replace_image\":false},{\"id\":\"QQECKBIYUP\",\"layer\":5000000,\"title\":\"Transition\",\"type\":\"Mask\",\"position\":12.3,\"start\":0,\"end\":3.6000000000000014,\"brightness\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0},{\"co\":{\"X\":109,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"contrast\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":3},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"reader\":{\"acodec\":\"\",\"audio_bit_rate\":0,\"audio_stream_index\":-1,\"audio_timebase\":{\"den\":1,\"num\":1},\"channel_layout\":4,\"channels\":0,\"display_ratio\":{\"den\":4,\"num\":5},\"duration\":3600,\"file_size\":\"5832000\",\"fps\":{\"den\":1,\"num\":30},\"has_audio\":false,\"has_single_image\":true,\"has_video\":true,\"height\":576,\"interlaced_frame\":false,\"metadata\":{},\"path\":\"" << TEST_MEDIA_PATH << "mask.png\",\"pixel_format\":-1,\"pixel_ratio\":{\"den\":1,\"num\":1},\"sample_rate\":0,\"top_field_first\":true,\"type\":\"QtImageReader\",\"vcodec\":\"\",\"video_bit_rate\":0,\"video_length\":\"108000\",\"video_stream_index\":-1,\"video_timebase\":{\"den\":30,\"num\":1},\"width\":720},\"replace_image\":false},{\"id\":\"YELU1J5KI8\",\"layer\":5000000,\"title\":\"Transition\",\"type\":\"Mask\",\"position\":17.7,\"start\":0,\"end\":3.3000000000000007,\"brightness\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0},{\"co\":{\"X\":100,\"Y\":-1},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"contrast\":{\"Points\":[{\"co\":{\"X\":1,\"Y\":3},\"handle_left\":{\"X\":0.5,\"Y\":1},\"handle_right\":{\"X\":0.5,\"Y\":0},\"handle_type\":0,\"interpolation\":0}]},\"reader\":{\"acodec\":\"\",\"audio_bit_rate\":0,\"audio_stream_index\":-1,\"audio_timebase\":{\"den\":1,\"num\":1},\"channel_layout\":4,\"channels\":0,\"display_ratio\":{\"den\":4,\"num\":5},\"duration\":3600,\"file_size\":\"5832000\",\"fps\":{\"den\":1,\"num\":30},\"has_audio\":false,\"has_single_image\":true,\"has_video\":true,\"height\":576,\"interlaced_frame\":false,\"metadata\":{},\"path\":\"" << TEST_MEDIA_PATH << "mask.png\",\"pixel_format\":-1,\"pixel_ratio\":{\"den\":1,\"num\":1},\"sample_rate\":0,\"top_field_first\":true,\"type\":\"QtImageReader\",\"vcodec\":\"\",\"video_bit_rate\":0,\"video_length\":\"108000\",\"video_stream_index\":-1,\"video_timebase\":{\"den\":30,\"num\":1},\"width\":720},\"replace_image\":false}],\"duration\":300,\"scale\":15,\"tick_pixels\":100,\"playhead_position\":0,\"profile\":\"HD 720p 30 fps\",\"layers\":[{\"id\":\"L1\",\"label\":\"\",\"number\":1000000,\"y\":0,\"lock\":false},{\"id\":\"L2\",\"label\":\"\",\"number\":2000000,\"y\":0,\"lock\":false},{\"id\":\"L3\",\"label\":\"\",\"number\":3000000,\"y\":0,\"lock\":false},{\"id\":\"L4\",\"label\":\"\",\"number\":4000000,\"y\":0,\"lock\":false},{\"id\":\"L5\",\"label\":\"\",\"number\":5000000,\"y\":0,\"lock\":false},{\"number\":6000000,\"y\":0,\"label\":\"\",\"lock\":false,\"id\":\"4U4NB9QVD2\"}],\"markers\":[],\"progress\":[],\"version\":{\"openshot-qt\":\"2.6.1-dev\",\"libopenshot\":\"0.2.7-dev\"}}"; + t.SetJson(project_json.str()); + + // Count clips & effects + CHECK(t.Clips().size() == 4); + CHECK(t.Effects().size() == 3); + + // Clear timeline and clear allocated clips, effects, and frame mappers + t.Clear(); + + // Count clips & effects + CHECK(t.Clips().size() == 0); + CHECK(t.Effects().size() == 0); + + // Manually add clip object (not using SetJson) + std::stringstream path; + path << TEST_MEDIA_PATH << "test.mp4"; + Clip clip_video(path.str()); + t.AddClip(&clip_video); + + // Manually add effect object (not using SetJson) + Negate effect_top; + effect_top.Id("C"); + t.AddEffect(&effect_top); + + // Count clips & effects + CHECK(t.Clips().size() == 1); + CHECK(t.Effects().size() == 1); + + // Clear timeline + t.Clear(); + + // Count clips & effects + CHECK(t.Clips().size() == 0); + CHECK(t.Effects().size() == 0); +} + TEST_CASE("ReaderInfo constructor", "[libopenshot][timeline]") { // Create a reader