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A Method of Optimizing Memory in 3D TV
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A TV and 3D technology, applied in the field of video editing, can solve the problems of reducing program operation efficiency, time-consuming, not real-time, etc., and achieve the effects of improving production efficiency, optimizing operation efficiency, and optimizing screen fluency
Active Publication Date: 2017-04-12
CHINA DIGITAL VIDEO BEIJING
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[0010] 3D TV image display technology in the prior art such as figure 1 As shown, the buffers for the left and right eyes store the images seen by the left and right eyes separately, and are usually preprocessed together, so that the data of the left and right eyes are stored in one memory, for example, 11 means the left eye data before displaying, 12 means the data before displaying Right-eye data, but when displaying, it is necessary to distinguish the different data of the left and right eye buffers, which is usually accompanied by memory copying, for example, 13 indicates the left-eye data that needs to be copied when displaying, and 14 indicates the right-eye data that needs to be copied when displaying Eye data, memory copy is a very time-consuming operation, so this operation will greatly reduce the operating efficiency of the program, and even cause unreal-time and unsmooth screen playback
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Embodiment 1
[0027] figure 2 It is a flowchart of a method for optimizing memory in a 3D TV provided by Embodiment 1 of the present invention.
[0028] Such as figure 2 Said, the method includes the following steps:
[0029] Step 201. Acquire left and right eye data in the 3D TV.
[0030] Step 202: Search the memory pool for a buffer whose original reference count is less than or equal to 1 and whose capacity is larger than the left and right eye data. The memory pool includes: several buffers, and each buffer corresponds to a reference count, and the reference count value of the current buffer corresponds to the number of occupied applications.
[0031] Based on the COM principle, each buffer in the storage pool has a reference count, which is used to indicate how many places the program uses this buffer. When the reference count of the buffer is 1, it indicates that this buffer is not used by the program. At this time, the buffer will be returned to the storage pool. When the progr...
Embodiment 2
[0038] image 3 It is a flow chart of modifying left and right eye data attributes in a method for optimizing memory in a 3D TV provided by Embodiment 2 of the present invention.
[0039] Such as image 3 Said, the method includes the following steps:
[0040] Step 301 , acquiring the attributes of the found buffer, specifically including: acquiring the found buffer pointer pSum, width SumWidth, and height SumHeight.
[0041] Step 3021. According to the attributes of the found buffer, modify the attributes of the left-eye data as follows: the pointer is pLeft=pSum, the width is LeftWidth=SumWidth / 2, and the height is LeftHeight=SumHeight / 2;
[0042] Step 3022: According to the attributes of the found buffer, modify the attributes of the right-eye data as follows: the pointer is pRight=pSum+LeftHeight, the width is RightWidth=SumWidth / 2, and the height is RightHeight=SumHeight / 2.
[0043] According to the technical solution of the embodiment of the present invention, by modify...
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Abstract
The invention discloses a method for optimizing a memory in a three-dimensional (3D) television. The method comprises the following steps of: acquiring left eye data and right eye data in the 3D television; looking up buffer zones of which the numerical value of the original reference count is not greater than 1 and the capacity is higher than the left eye data and the right eye data from a memory pool; calling the found buffer zones; storing the left eye data and the right eye data to the found buffer zones; modifying the numerical value of the reference count of the found buffer zones into the numerical value increased by 2 on the basis of the numerical value of the original reference count; outputting the left eye data and the right eye data of the buffer zones to display equipment; and modifying the reference count of the buffer zones into the original reference count after the left eye data and the right eye data of the buffer zones are totally output, and releasing the memory pool again. By adopting the method disclosed by the invention, on the premise that refined editing is met, the program production efficiency is extremely increased, and the program operating efficiency of a program and the fluency of a picture are optimized.
Description
technical field [0001] The invention relates to the field of video editing, in particular to a method for optimizing memory in a 3D TV. Background technique [0002] 3D is the abbreviation of three-dimensional, which is three-dimensional graphics. Because the angles of human eyes observing objects are slightly different, they can distinguish the distance of objects and produce three-dimensional vision. Three-dimensional stereoscopic video TV uses this principle to separate the images seen by the left and right eyes. The three-dimensional display effect of the 3D LCD TV is to send the encoded 3D video images to the left and right eyes of the person independently by adding a special precision cylindrical lens screen to the liquid crystal panel, so that the user does not need to use stereoscopic glasses. Experience the stereoscopic sensation with the naked eye. [0003] 3D display technology can be divided into two categories: glasses type and naked eye type. [0004] At pre...
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