forked from mia/Aegisub
Document some of VideoContext's members
Originally committed to SVN as r5970.
This commit is contained in:
Thomas Goyne
parent
e49486201d
commit
880ea8848c
1 changed files with 39 additions and 19 deletions
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@ -77,19 +77,20 @@ class VideoContext : public wxEvtHandler {
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agi::Context *context;
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/// DOCME
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/// The video provider owned by the threaded frame source, or NULL if no
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/// video is open
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VideoProvider *videoProvider;
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/// DOCME
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/// Asynchronous provider of video frames
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std::auto_ptr<ThreadedFrameSource> provider;
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/// Filename of currently open video
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wxString videoFile;
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/// DOCME
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/// List of frame numbers which are keyframes
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std::vector<int> keyFrames;
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/// DOCME
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/// File name of the currently open keyframes or empty if keyframes are not overridden
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wxString keyFramesFilename;
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/// DOCME
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@ -98,30 +99,38 @@ class VideoContext : public wxEvtHandler {
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/// Time since playback was last started
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wxStopWatch playTime;
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/// DOCME
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/// The start time of the first frame of the current playback; undefined if
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/// video is not currently playing
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int startMS;
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/// DOCME
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/// The last frame to play if video is currently playing
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int endFrame;
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/// DOCME
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/// The frame number which was last requested from the video provider,
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/// which may not be the same thing as the currently displayed frame
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int frame_n;
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/// DOCME
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/// The picture aspect ratio of the video if the aspect ratio has been
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/// overridden by the user
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double arValue;
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/// DOCME
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int arType;
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/// Does the currently loaded video file have subtitles muxed into it?
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bool hasSubtitles;
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/// Filename of the currently loaded timecodes file, or empty if timecodes
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/// have not been overriden
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wxString ovrTimecodeFile;
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const agi::OptionValue* playAudioOnStep;
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void OnPlayTimer(wxTimerEvent &event);
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/// The timecodes from the video file
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agi::vfr::Framerate videoFPS;
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/// External timecode which have been loaded, if any
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agi::vfr::Framerate ovrFPS;
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void OnVideoError(VideoProviderErrorEvent const& err);
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@ -130,7 +139,7 @@ class VideoContext : public wxEvtHandler {
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void OnSubtitlesCommit();
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void OnSubtitlesSave();
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/// @brief Close the video, keyframes and timecodes
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/// Close the video, keyframes and timecodes
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void Reset();
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public:
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@ -149,42 +158,53 @@ public:
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/// @brief Get the video provider used for the currently open video
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VideoProvider *GetProvider() const { return videoProvider; }
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/// Synchronously get a video frame
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/// @param n Frame number to get
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/// @param raw If true, subtitles are not rendered on the frame
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/// @return The requested frame
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std::tr1::shared_ptr<AegiVideoFrame> GetFrame(int n, bool raw = false);
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/// Asynchronously get a video frame, triggering a EVT_FRAME_READY event when it's ready
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/// @param n Frame number to get
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void GetFrameAsync(int n);
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/// @brief Is there a video loaded?
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/// Is there a video loaded?
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bool IsLoaded() const { return !!videoProvider; }
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/// Get the file name of the currently open video, if any
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wxString GetVideoName() const { return videoFile; }
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/// @brief Is the video currently playing?
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/// Is the video currently playing?
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bool IsPlaying() const { return playback.IsRunning(); }
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/// @brief Does the video file loaded have muxed subtitles that we can load?
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/// Does the video file loaded have muxed subtitles that we can load?
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bool HasSubtitles() const { return hasSubtitles; }
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/// @brief Get the width of the currently open video
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/// Get the width of the currently open video
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int GetWidth() const;
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/// @brief Get the height of the currently open video
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/// Get the height of the currently open video
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int GetHeight() const;
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/// @brief Get the length in frames of the currently open video
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/// Get the length in frames of the currently open video
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int GetLength() const;
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/// @brief Get the current frame number
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/// Get the current frame number
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int GetFrameN() const { return frame_n; }
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double GetARFromType(int type) const;
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/// Override the aspect ratio of the currently loaded video
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/// @param type Aspect ratio type from 0-4
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/// @param value If type is 4 (custom), the aspect ratio to use
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void SetAspectRatio(int type, double value=1.0);
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/// @brief DOCME
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/// @return
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int GetAspectRatioType() const { return arType; }
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/// @brief DOCME
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/// @return
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/// Get the current aspect ratio of the video
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double GetAspectRatioValue() const { return arValue; }
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/// @brief Open a new video
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