FrameCache Class Reference

#include <framecache.h>

Inherits CacheBase.

Collaboration diagram for FrameCache:

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Public Member Functions
	FrameCache ()
	~FrameCache ()
int	get_frame (VFrame *frame, int64_t position, int layer, double frame_rate, int asset_id=-1)
VFrame *	get_frame_ptr (int64_t position, int layer, double frame_rate, int color_model, int w, int h, int asset_id=-1)
void	put_frame (VFrame *frame, int64_t position, int layer, double frame_rate, int use_copy, Asset *asset=0)
void	dump ()
Private Member Functions
int	frame_exists (VFrame *format, int64_t position, int layer, double frame_rate, FrameCacheItem **item_return, int asset_id)
int	frame_exists (int64_t position, int layer, double frame_rate, int color_model, int w, int h, FrameCacheItem **item_return, int asset_id)

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Detailed Description

Definition at line 32 of file framecache.h.

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Constructor & Destructor Documentation

FrameCache::FrameCache

(

)

Definition at line 48 of file framecache.C.

FrameCache::~FrameCache

(

)

Definition at line 53 of file framecache.C.

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Member Function Documentation

int FrameCache::get_frame	(	VFrame *	frame,
		int64_t	position,
		int	layer,
		double	frame_rate,
		int	asset_id = -1
	)

Definition at line 59 of file framecache.C.

References CacheItemBase::age, VFrame::copy_from(), VFrame::copy_stacks(), FrameCacheItem::data, frame_exists(), CacheBase::get_age(), Mutex::lock(), CacheBase::lock, and Mutex::unlock().

Referenced by File::read_frame().

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VFrame * FrameCache::get_frame_ptr	(	int64_t	position,
		int	layer,
		double	frame_rate,
		int	color_model,
		int	w,
		int	h,
		int	asset_id = -1
	)

Definition at line 89 of file framecache.C.

References CacheItemBase::age, FrameCacheItem::data, frame_exists(), CacheBase::get_age(), Mutex::lock(), CacheBase::lock, and Mutex::unlock().

Referenced by ResourceThread::do_video(), and ResourcePixmap::draw_video_resource().

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void FrameCache::put_frame	(	VFrame *	frame,
		int64_t	position,
		int	layer,
		double	frame_rate,
		int	use_copy,
		Asset *	asset = 0
	)

Definition at line 119 of file framecache.C.

References CacheItemBase::age, CacheItemBase::asset_id, FrameCacheItem::data, frame_exists(), FrameCacheItem::frame_rate, CacheBase::get_age(), Asset::id, FrameCacheItem::layer, Mutex::lock(), CacheBase::lock, Asset::path, CacheItemBase::path, CacheItemBase::position, CacheBase::put_item(), and Mutex::unlock().

Referenced by ResourceThread::do_video(), and File::read_frame().

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void FrameCache::dump

(

)

Definition at line 227 of file framecache.C.

int FrameCache::frame_exists	(	VFrame *	format,
		int64_t	position,
		int	layer,
		double	frame_rate,
		FrameCacheItem **	item_return,
		int	asset_id
	)			[private]

Definition at line 174 of file framecache.C.

References CacheItemBase::asset_id, FrameCacheItem::data, EQUIV, VFrame::equivalent(), FrameCacheItem::frame_rate, CacheBase::get_item(), FrameCacheItem::layer, ListItem< TYPE >::next, and CacheItemBase::position.

Referenced by get_frame(), get_frame_ptr(), and put_frame().

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int FrameCache::frame_exists	(	int64_t	position,
		int	layer,
		double	frame_rate,
		int	color_model,
		int	w,
		int	h,
		FrameCacheItem **	item_return,
		int	asset_id
	)			[private]

Definition at line 198 of file framecache.C.

References CacheItemBase::asset_id, FrameCacheItem::data, EQUIV, FrameCacheItem::frame_rate, VFrame::get_color_model(), VFrame::get_h(), CacheBase::get_item(), VFrame::get_w(), FrameCacheItem::layer, ListItem< TYPE >::next, and CacheItemBase::position.

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The documentation for this class was generated from the following files:

• hvirtual/cinelerra/framecache.h
• hvirtual/cinelerra/framecache.C