CN102194444A - Mixer and method for mixing multiple dynamic image layers and player - Google Patents
Mixer and method for mixing multiple dynamic image layers and player Download PDFInfo
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Abstract
The invention discloses a mixer and a method for mixing multiple dynamic image layers, and a player of the multiple dynamic image layers, and is used for processing pictures having multiple image layers. The method for mixing the multiple dynamic image layers comprises the following steps of: scanning pictures by using scanning lines to obtain the start position and the end position of each image layer on the scanning lines; dividing the scanning lines into multiple sections according to the start position and the end position of each image layer on the scanning lines as well as the start position and the end position of the pictures; and mixing a plurality of pixel points of the image layers covered by the section according to the width of each section and the number of the images in the section so as to generate pixel points for a section mixing picture corresponding to the section.
Description
Technical field
The invention relates to a kind of many image layer mixer, and particularly relevant for a kind of dynamic type multi-layer image mixer, its method and its player.
Background technology
Multimedia video technique development at present rapidly, and along with wafer arithmetic capability trend from strength to strength, the picture that display broadcasted can comprise a plurality of image layer, for example: show (on-screen display abbreviates OSD as) image layer, captions image layer and vernier image layer on master image layer, the picture.At present general player all can pre-defined manageable image layer number, yet this player can't be play the picture that exceeds defined image layer number.Suppose that player can support the picture with 3 image layer,, for example, have the picture of 6 image layer, then this player and can't play picture with 6 image layer if the included a plurality of image layer of shown picture surpass 3 layers.
In order to solve the above problems, there are some multimedia wafer dealers to propose a kind of player that can handle the picture that exceeds defined image layer number at present, this kind player mainly is to use any two image layer of the 2 dimension image engines image layer numbers that will exceed to be mixed into an image layer, and mixed image layer mixed with another image layer, produce another vision-mix layer again, till surplus next vision-mix layer.In addition, this kind player has display engine, and this display engine can be handled the picture of the image layer number with definition.The vision-mix layer that a plurality of image layer of the image layer number of the handled definition of player mixed display engine and 2 dimension image engines institutes export is at last play on the display screens of player to produce a hybrid picture.So, above-mentioned player can be play the picture of the image layer number that exceeds definition.
For instance, the defined image layer number of player is 3, for picture with 10 image layer, 2 dimension image engines of player can be mixed into an image layer earlier with any two of other 7 image layer, then, the image layer of mixing is mixed with another image layer, till surplus next vision-mix layer.In other words, the total image layer married operation of carrying out 6 times of 2 dimension image engines.Then, display engine can be handled 3 image layer, and player can be mixed into a hybrid picture with 2 dimension last vision-mix layers of exporting of image engine and handled 3 the figure number of layers of display engine, and this hybrid picture is play on the display screens of player.
In addition, also there are some multimedia wafer dealers to propose to utilize the software algorithm, are about to any two image layer of the image layer number that exceeds earlier to be mixed into an image layer, then, the image layer of mixing is mixed with another image layer, till surplus next vision-mix layer.So will expend a large amount of memory band widths, and the combination chart layer also expends the many time.
In brief, present player possibly can't be play the picture of the image layer number that exceeds definition, though perhaps the player of some can be play the picture of the image layer number that exceeds definition, these players must use 2 dimension image engines that other image layer is mixed.Yet 2 dimension image engines all need to read the image layer data and the combination chart layer data is write to storer from storer, and cause the waste of memory band width when carrying out the image layer married operation each time.Particularly when needs carried out repeatedly the image layer married operation, the memory band width of being wasted was huge in the extreme especially.
Summary of the invention
Embodiments of the invention provide a kind of many image layer of dynamic type mixed method, and in order to the picture that processing has a plurality of image layer, the method comprises the following steps.Use sweep trace that described picture is scanned, to scan the initial and end position of image layer of each image layer of described picture on sweep trace.Initial and the end position of picture of and end position and described picture initial according to the image layer of each image layer on the sweep trace is divided into a plurality of sections with described sweep trace.Mix several pixels of the image layer that described section contains with section image layer number according to the section width of each section, to produce the pixel of the pairing section hybrid picture of described section.
Embodiments of the invention provide a kind of many image layer of dynamic type mixer, the picture that has a plurality of image layer in order to processing.Many image layer of dynamic type mixer comprises universe header file search engine, dynamic storage information module, mixer, static memory and impact damper.Universe header file search engine uses the described picture of one scan line sweep, and carries out the search of universe header file according to level and vertical synchronizing signal, scans the initial and end position of image layer of each image layer of described picture on horizontal scanning line in view of the above.The initial initial and end position of picture level with end position and described picture according to the image layer level of each image layer on the horizontal scanning line of universe header file search engine is divided into a plurality of sections with described horizontal scanning line.Universe header file search engine produces different storage addresss according to the image layer of each image layer on the section width of a section, section image layer number and the horizontal scanning line is initial in regular turn with end position.The dynamic storage information module receives described a plurality of storage address in regular turn to obtain a plurality of several vegetarian refreshments of a plurality of image layer on the described section in regular turn to dynamic storage.Mixer mixes a plurality of several vegetarian refreshments of a plurality of image layer on the described section in regular turn.Static memory is in order to storing a plurality of pixels that mixed of described mixer, and after mixer mixed a plurality of several vegetarian refreshments of all images layer on the described section, described static memory can be erased.Impact damper is kept in a plurality of pixels in the section hybrid picture after a plurality of several vegetarian refreshments mixing of mixer with all images layer on the described section.
Embodiments of the invention provide a kind of player, and described player comprises many image layer of dynamic type mixer, video pictures processor, deinterlacer and second mixer.Many image layer of dynamic type mixer has the picture of a plurality of image layer in order to processing, and comprises universe header file search engine, dynamic storage information module, first mixer, static memory and impact damper.Universe header file search engine uses the described picture of one scan line sweep, and carries out the search of universe header file according to level and vertical synchronizing signal, scans the initial and end position of image layer of each image layer of described picture on horizontal scanning line in view of the above.The initial initial and end position of picture level with end position and described picture according to the image layer level of each image layer on the horizontal scanning line of universe header file search engine is divided into a plurality of sections with described horizontal scanning line.Universe header file search engine produces different storage addresss according to the image layer of each image layer on the section width of a section, section image layer number and the horizontal scanning line is initial in regular turn with end position.The dynamic storage information module receives described a plurality of storage address in regular turn to obtain a plurality of several vegetarian refreshments of a plurality of image layer on the described section in regular turn to dynamic storage.First mixer mixes a plurality of several vegetarian refreshments of a plurality of image layer on the described section in regular turn.Static memory is in order to storing a plurality of pixels that mixed of described first mixer, and after first mixer mixed a plurality of several vegetarian refreshments of all images layer on the described section, described static memory can be erased.Impact damper is kept in a plurality of pixels in the section hybrid picture after a plurality of several vegetarian refreshments mixing of first mixer with all images layer on the described section.The video pictures processor is in order to the output video picture, and deinterlacer is connected in described video pictures processor.Second mixer is in order to mixed video picture and many image layer hybrid picture, and wherein many image layer hybrid picture comprises the blend of image layer more than many picture, and each bar image layer blend picture comprises multistage section hybrid picture.
Based on above-mentioned, many image layer mixer that embodiments of the invention provided and method thereof can reduce the waste of memory band width in large quantities, and the speed that does not have many image layer mixer output data does not catch up with the problem that the back-end code device requires the speed of data.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
Description of drawings
Fig. 1 is the synoptic diagram of the picture with a plurality of image layer that provides of the embodiment of the invention;
Fig. 2 is the system block diagrams of the player 200 that provides of the embodiment of the invention;
Fig. 3 is the system block diagrams of many image layer mixer 203 of providing of the embodiment of the invention;
Fig. 4 is the process flow diagram of many image layer mixed method of providing of the embodiment of the invention.
The main element symbol description:
100: picture
L1～L5: image layer
101: empty picture
102: sweep trace
Seg_1～seg_9: section
200: player
201: the video pictures processor
202: deinterlacer
203: many image layer mixer
204: impact damper
205: mixer
206: the adjusted size device
207: color processor
301: universe header file search engine
302: the dynamic storage information module
303: mixer
304: impact damper
305: static memory
311: the dynamic storage moderator
312: dynamic storage
S401～S403: steps flow chart
Embodiment
Please refer to Fig. 1, Fig. 1 is the synoptic diagram of the picture with a plurality of image layer that provides of the embodiment of the invention.As shown in Figure 1, picture 100 has comprised a plurality of image layer L1～L5 and empty picture 101, the zone of empty picture 101 for not covered by image layer L1～L5 in the picture 100.Many image layer of dynamic type mixer that embodiments of the invention provided or method can be handled the picture 100 as a plurality of image layer L1 of having of Fig. 1～L5, and the image layer number of a plurality of image layer L1～L5 of picture 100 is not in order to limit the present invention, in addition, more can overlap each other between a plurality of image layer L1～L5 (overlap).
When many image layer of dynamic type mixer or method have the picture 100 of a plurality of image layer L1～L5 in processing, can use sweep trace to scan picture 100 seriatim, and mix the image layer that on picture, is contained with the processing scanning linear.In other words, only output and line data handling picture 100 each time.Though be noted that Fig. 1 is is example with the horizontal scanning line, in other application, sweep trace also may be a vertical scan line.
In addition, the pixel data that each image layer had is to be stored in the middle of the storer, and each image layer has a header file.Described header file in order to the width of record image layer, highly, color information, form and image layer position, the image layer position generally comprised the image layer level initial with end position, the vertical initial and end position of image layer.The height of picture 100, width, color information, form and picture position then are embedded in the header file of picture 100.
In Fig. 1, horizontal scanning line can be scanned up to the lowermost end of picture 100 one by one from the top of picture 100, many image layer of dynamic type mixer or method are after carrying out horizontal scanning each time, the capital is mixed in the image layer on the sweep trace, and line data of output picture 100 are to the video decoder decodes of rear end, so that these line data are play on display screens.Is that example illustrates at this with the described picture 100 of horizontal scanning line 102 scannings.At first, usage level sweep trace 102 can scan the initial and end position of image layer level of frame out 100 each image layer on horizontal scanning line, and wherein the image layer level of each image layer is initial is to search (global header search) and search the header file of image layer and obtain by carrying out the universe header file with end position.
In Fig. 1, the picture level of picture 100 is initial to be divided into 0 and 1215 with end position.After horizontal scanning line 102 scannings, can learn that having 4 image layer L1～L3, L5 is positioned on the sweep trace 102, and search the header file of image layer L1～L3, L5 in view of the above, to find out the initial and end position of image layer level of image layer L1～L3, L5.The image layer level of image layer L1 is initial to be respectively 100 and 1115 with end position, the image layer level of image layer L2 is initial to be respectively 110 and 700 with end position, the image layer level of image layer L3 is initial to be respectively 120 and 320 with end position, and the image layer level of image layer L5 is initial to be respectively 520 and 715 with end position.
Then, initial and the end position of picture level of and end position and described picture initial according to the image layer level of each image layer on the horizontal scanning line 102, described sweep trace 102 is divided into a plurality of sections, and writes down the section width and the section image layer number of each section.Be noted that at this many image layer of dynamic type mixer more can be in response to the having or not of impact damper, and carry out instantaneity computing or each image layer of record earlier, therefore, in the case, can write down the section width and the section image layer number of each section earlier.
For example, in Fig. 1, horizontal scanning line 102 can be divided into 9 section seg_1～seg_9.The section width of section seg_1 is 100, and without any image layer contain, so its image layer number is 0.The section width of section seg_2 is 10, and has image layer L1 to contain, so its image layer number is 1.The section width of section seg_3 is 10, and has image layer L1, L2 to contain, so its image layer number is 2.The section width of section seg_4 is 200, and has image layer L1～L3 to contain, so its image layer number is 3.The section width of section seg_5 is 200, and has image layer L1, L2 to contain, so its image layer number is 2.The section width of section seg_6 is 180, and has image layer L1, L2, L5 to contain, so its image layer number is 3.The section width of section seg_7 is 15, and has image layer L1, L5 to contain, so its image layer number is 2.The section width of section seg_8 is 400, and has image layer L1 to contain, so its image layer number is 1.The section width of section seg_9 is 100, and without any image layer contain, so its image layer number is 0.
Then, several pixels of the image layer that is contained according to the section width and the section image layer number mixing section of each section are to produce the pixel of the pairing section hybrid picture of described section.Further say, each section be the image layer level of carrying secretly according to its section and the header file of section image layer number, each image layer respectively initial with end position, the vertical initial and end position of image layer, several pixels that will mix the image layer that section contains are to produce the pixel of the pairing section hybrid picture of described section.In addition, the header file of each image layer level of carrying secretly initial with end position and vertical initial and end position be according to before the universe header file search carried out obtain.
For instance, in Fig. 1, section seg_1 without any image layer contain, and width is 100, therefore can export the section hybrid picture with 100 skies (dummy) pixel.Then, image layer number and the width of section seg_2 are respectively 1 and 10, so after the header file with reference to each image layer, the section hybrid picture of 10 pixels of meeting output image layer L1 on this section seg_2.Image layer number and the width of section seg_3 are respectively 2 and 10, therefore after the header file with reference to each image layer, understand vision-mix layer L1 and 10 pixels of L2 on this section seg_3, and export the section hybrid picture of 10 pixels in view of the above.Image layer number and the width of section seg_4 are respectively 3 and 200, therefore after the header file with reference to each image layer, understand 200 pixels of vision-mix layer L1～L3 on this section seg_4, and export the section hybrid picture of 200 pixels in view of the above.Image layer number and the width of section seg_5 are respectively 2 and 200, therefore after the header file with reference to each image layer, understand vision-mix layer L1 and 200 pixels of L2 on this section seg_5, and export the section hybrid picture of 200 pixels in view of the above.
Image layer number and the width of section seg_6 are respectively 3 and 180, therefore after the header file with reference to each image layer, understand vision-mix layer L1, L2, L5 180 pixels on this section seg_6, and export the section hybrid picture of 180 pixels in view of the above.Image layer number and the width of section seg_7 are respectively 2 and 15, therefore after the header file with reference to each image layer, understand vision-mix layer L1 and 15 pixels of L5 on this section seg_7, and export the section hybrid picture of 15 pixels in view of the above.Image layer number and the width of section seg_8 are respectively 1 and 400, so after the header file with reference to each image layer, the section hybrid picture of 400 pixels of meeting output image layer L1 on this section seg_8.Section seg_9 without any image layer contain, and width is 100, therefore can export the section hybrid picture with 100 skies (dummy) pixel.Described 9 section hybrid pictures can be existed player impact damper in, and with video pictures in the video line picture of position of corresponding described sweep trace 102 mix, to produce mixed video line drawing face.Mixed video line drawing face just can directly be play on display screens through after decoding, and the shown mixed video picture of display screens has comprised many mixed video line drawing faces.
In addition, though be noted that Fig. 1 is is example with the horizontal scanning line, in other application, sweep trace also may be a vertical scan line.Certainly, this field has knows that usually the knowledgeable can know, when sweep trace is vertical scan line, above-mentioned image layer level initial with end position, picture level and end position need replace with image layer vertical initial with end position, picture is vertical and end position.
Then, please refer to Fig. 2, Fig. 2 is the system block diagrams of the player 200 that provides of the embodiment of the invention.Player 200 comprises video pictures processor 201, deinterlacer (de-interlace module) 202, many image layer mixer 203, impact damper 204, mixer 205, adjusted size device 206 and color processor 207.The output terminal of video pictures processor 201 is connected in the input end of deinterlacer 202, the output terminal of deinterlacer 202 is connected in the first input end of mixer 205, the output terminal of many image layer mixer 203 is connected in the input end of impact damper 204, the output terminal of impact damper 204 is connected in second input end of mixer 205, the output terminal of mixer 205 is connected in the input end of adjusted size device 206, and the output terminal of adjusted size device 206 is connected in the input end of color processor 207.
Many image layer mixer 203 receives level and the vertical synchronizing signal that the many image layer data and other module that come from dynamic storage provided.Many image layer mixer 203 is in order to mixing a plurality of image layer, and producing many image layer hybrid picture, and it is temporary that this many image layer hybrid picture is delivered to impact damper 204.Be noted that, the mode that stores many image layer hybrid picture data in the impact damper 204 also is to adopt to store gradually, therefore, the many image layer hybrid picture data exported of impact damper 204 and deinterlacer 202 and video pictures data all are suitable for using on the display screens of gradual scanning and play.Mixer 205 mixes with video pictures in order to many image layer hybrid picture of inciting somebody to action, to produce the mixed video picture.Adjusted size device 206 is in order to adjust the size of mixed video picture, 207 of color processors are in order to carry out color space transformation to the mixed video picture data after the adjusted size, for example color space is converted to rgb format from yuv format, and will will deliver on the display screens and show through the mixed video picture after the conversion.
The mode that many image layer mixer 203 carries out many image layer married operation as mentioned above, therefore aforementioned a plurality of section hybrid pictures can be formed the picture of image layer blend more than, and these blend of image layer more than many pictures will be formed image layer hybrid picture more than.In addition, as noted earlier, scan format is gradual scanning, so mixer 205 is that the picture of image layer blend more than is mixed the mixed video line drawing face that produces with a video line picture.
Then, please refer to Fig. 3, Fig. 3 is the system block diagrams of many image layer mixer 203 of providing of the embodiment of the invention.Many image layer mixer 203 has comprised universe header file search engine 301, dynamic storage information module 302, mixer 303, static memory 305, impact damper 304.First output terminal of universe header file search engine 301 is connected in the first input end of dynamic storage information module 302, the input/output terminal of universe header file search engine 301 is connected in first input/output terminal of dynamic storage moderator 311, the input/output terminal of dynamic storage information module 302 is connected in second input/output terminal of dynamic storage moderator 311, first and second input end of mixer 303 is connected to the output terminal of dynamic storage information module 302 and static memory 305, the output terminal of mixer 303 is connected in the input end of impact damper 304 and static memory 305, and the 3rd input/output terminal of dynamic storage moderator 311 is connected in the input/output terminal of dynamic storage 312.
The mode of carrying out many image layer married operation is to adopt the order of gradual scanning to finish, and is that unit produces the picture of image layer blend more than with a sweep trace once just.When universe header file search engine 301 meeting reception level and vertical synchronizing signals need carry out the search of universe header file to learn.Universe header file search engine 301 can carry out the search of universe header file, sees through the information that its first input/output terminal indication dynamic storage moderator 311 requires the header file of all image layer to carry secretly to dynamic storage 312.Universe header file search engine 301 can be learnt the position of the corresponding picture of present horizontal scanning line according to level and vertical synchronizing signal, and scans the initial and end position of image layer of each image layer of described picture on horizontal scanning line in view of the above.Further say, can learn that described picture contained by which image layer on horizontal scanning line by the included image layer level of the header file of each image layer initial vertical initial and end position, and obtain the initial and end position of image layer of each image layer of picture on horizontal scanning line with end position, image layer.
Then, universe header file search engine 301 is understood the initial and end position of picture level initial according to the image layer level of each image layer on the horizontal scanning line and end position and described picture, described horizontal scanning line is divided into a plurality of sections, and writes down the section width and the section image layer number of each section.Be noted that at this, many image layer of dynamic type mixer 203 more can be in response to the having or not of impact damper, and carry out instantaneity computing or each image layer of record earlier, therefore, in the case, can write down the section width and the section image layer number of each section earlier.Then, universe header file search engine 301 can be once produces different storage addresss to dynamic storage information module 302 according to the image layer of each image layer on the section width of a section, section image layer number and the horizontal scanning line is initial with end position in regular turn.These storage addresss allow dynamic storage information module 302 obtain a plurality of several vegetarian refreshments of the different images layer on the section in regular turn, wherein the number of pixel is less than or equal to the section width, and after making that mixer 303 is mixed into a plurality of pixels in the section hybrid picture with a plurality of pixels of all images layer on the section, it is temporary just a plurality of pixels in the section hybrid picture can be exported to impact damper 304.
The storage address that dynamic storage information module 302 is produced according to universe header file search engine 301, see through its second input/output terminal indication dynamic storage moderator 311 requires a plurality of several vegetarian refreshments data from an image layer on the section to dynamic storage 312, and give mixer 303 with these a little pixels, wherein the number of pixel equals the section width.During several pixels in handling each section, all can erase the earlier pixel of its storage of static memory 305.Mixer 303 mixes a plurality of pixels that the stored a plurality of pixels of static memory 305 and dynamic storage information module 302 are exported, and gives static memory 305 storages mixed a plurality of pixels.By the time, a plurality of pixels of all image layer are all mixed in the section finish after, a plurality of pixels that mixer 303 is exported can be cushioned device 304 and keep in, and can the erase pixel of its storage of static memory 305, wherein a plurality of pixels of being exported of Ci Shi mixer 303 are exactly a plurality of pixels in the section hybrid picture.Impact damper 304 is except a plurality of pixels in order to temporary section hybrid picture, and the data unit of its output can be a long word unit size, that is 8 bit group sizes; But in practical application, the storage area size of impact damper 304 can be done selection according to actual demand.
Please be simultaneously with reference to Fig. 1 and Fig. 3, when universe header file search engine 301 scans at 102 pairs of pictures 100 of horizontal scanning linear, just can scan the initial and end position of image layer level of each image layer of described picture 100 on horizontal scanning line 102, and universe header file search engine 301 more can be initial according to the image layer level of the image layer L1 on the horizontal scanning line 102～L3 and L5 and the initial and end position of picture level of end position and described picture 100, described horizontal scanning line 102 is divided into a plurality of section seg_1～seg_9, and writes down the section width and the section image layer number of each section.
Be example with section seg_6, the mode of operation of universe header file search engine 301, dynamic storage information module 302, mixer 303, impact damper 304 and static memory 305 is being described.In addition, in order to save cost and chip area, the size of static memory 305 can not be an example so once can store 3 pixels at this with static memory greatly very much; But in practical application, the storage area size of static memory can be done selection according to actual demand.At first, universe header file search engine 301 can be according to horizontal reference position and the section width of the image layer L5 on the section seg_6, produce storage address indication dynamic storage information module 302 and obtain 1st～3 pixel of image layer L5 on this section seg_6, because static memory 305 does not store any data, mixer 303 can store for static memory 305 by the 1st～3 pixel of direct output image layer L5 on this section seg_6.
Then, universe header file search engine 301 can be according to horizontal reference position and the section width of the image layer L2 on the section seg_6, produce storage address indication dynamic storage information module 302 and obtain 411st～413 pixel of image layer L2 on this section seg_6, mixer 303 can mix 411st～413 pixel of image layer L2 on this section seg_6 with 3 pixels (the 1st～3 pixel of image layer L5 on this section seg_6) that static memory 305 is exported, and exports to static memory 305 storages.
Then, universe header file search engine 301 can be according to horizontal reference position and the section width of the image layer L1 on the section seg_6, produce storage address indication dynamic storage information module 302 and obtain 421st～423 pixel of image layer L1 on this section seg_6,3 pixels that mixer 303 can be exported 421st～423 pixel of image layer L1 on this section seg_6 and static memory 305 (image layer L5 is in the 1st～3 pixel on this section seg_6 and mixed 3 pixels of 411st～413 pixel of image layer L2 on this section seg_6) mix, and export to impact damper 304 and keep in.In addition, at this moment, can the erase pixel of its storage of static memory 305.Section seg_6 has 180 pixels, other per 3 pixels how to mix mode can the rest may be inferred, just repeat no more at this.
Then, please refer to Fig. 4, Fig. 4 is the process flow diagram of many image layer mixed method of providing of the embodiment of the invention.At first, in step S401, use sweep trace that described picture is scanned, to scan the initial and end position of image layer of each image layer of described picture on sweep trace.Then, in step S402, initial and the end position of picture of and end position and described picture initial according to the image layer of each image layer on the sweep trace is divided into a plurality of sections with described sweep trace, and writes down the section width and the section image layer number of each section.Be noted that at this, many image layer of dynamic type mixed method more can be in response to the having or not of impact damper, and carry out instantaneity computing or each image layer of record earlier, therefore, in the case, step S402 can also write down the section width and the section image layer number of each section earlier.Then, in step S403, mix several pixels of the image layer that described section contains with section image layer number according to the section width of each section, to produce the pixel of the pairing section hybrid picture of described section.
Aforementioned sweep trace is a horizontal scanning line, described image layer initial with end position is respectively the initial and end position of image layer level, described picture initial with end position be the initial and end position of picture level.Yet, above-mentioned restrictive condition is not in order to limit the present invention, in other words, aforementioned sweep trace also can be vertical scan line, described image layer is initial also can be respectively the vertical initial and end position of image layer with end position, and described picture is initial also can be respectively the vertical initial and end position of picture with end position.In addition, the above-mentioned image layer that scans each image layer of described picture on sweep trace is initial is to search and finish by carrying out the universe header file with mode end position.
In sum, many image layer mixer that embodiments of the invention provided and method thereof can reduce the waste of memory band width in large quantities, and the speed that does not have many image layer mixer output data does not catch up with the problem that the back-end code device requires the speed of data.
Though the present invention discloses as above with embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (10)
1. many image layer of dynamic type mixed method, the picture in order to processing has a plurality of image layer is characterized in that, described many image layer of dynamic type mixed method comprises:
Use sweep trace that described picture is scanned, to scan the initial and end position of image layer of each image layer of described picture on sweep trace;
Initial and the end position of picture of and end position and described picture initial according to the image layer of each image layer on the sweep trace is divided into a plurality of sections with described sweep trace; And
Mix several pixels of the image layer that described section contains with section image layer number according to the section width of each section, to produce the pixel of the pairing section hybrid picture of described section.
2. many image layer of dynamic type mixed method as claimed in claim 1, it is characterized in that, described sweep trace is a horizontal scanning line, described image layer is initial to be respectively the initial and end position of image layer level with end position, and described picture is initial to be respectively the initial and end position of picture level with end position.
3. many image layer of dynamic type mixed method as claimed in claim 1 is characterized in that, the described image layer that scans each image layer of described picture on sweep trace is initial to be to search and finish by carrying out the universe header file with mode end position.
4. many image layer of dynamic type mixed method as claimed in claim 1, it is characterized in that, according to the section width of each section mix image layer that described section contains with section image layer number, the image layer level of carrying secretly with the header file of each image layer is initial and the vertical initial and end position of end position and image layer, several pixels that will mix the image layer that section contains are to produce the pixel of the pairing section hybrid picture of described section.
5. many image layer of dynamic type mixed method as claimed in claim 1, the number that it is characterized in that a plurality of image layer is an arbitrary integer.
6. many image layer of dynamic type mixed method as claimed in claim 1 is characterized in that the number of described a plurality of image layer overlaps each other or do not overlap.
7. many image layer of dynamic type mixed method as claimed in claim 1 is characterized in that, after described sweep trace is divided into described a plurality of section, writes down the section width and the section image layer number of each section.
8. many image layer of dynamic type mixer, the picture in order to processing has a plurality of image layer is characterized in that, the many video mixers of described dynamic type comprise:
Universe header file search engine, according to level and vertical synchronizing signal, use the described picture of one scan line sweep, and carry out the search of universe header file, scan the initial and end position of image layer of each image layer of described picture on horizontal scanning line in view of the above, initial and the end position of picture level of and end position and described picture initial according to the image layer level of each image layer on the horizontal scanning line, described horizontal scanning line is divided into a plurality of sections, and according to the section width of a section, the image layer of each image layer on section image layer number and the horizontal scanning line is initial to produce different storage addresss in regular turn with end position;
The dynamic storage information module receives described a plurality of storage address in regular turn to obtain a plurality of several vegetarian refreshments of a plurality of image layer on the described section in regular turn to dynamic storage;
Mixer mixes a plurality of several vegetarian refreshments of a plurality of image layer on the described section in regular turn;
Static memory, in order to storing a plurality of pixels that mixed of described mixer, and after mixer mixed a plurality of several vegetarian refreshments of all images layer on the described section, described static memory can be erased; And
Impact damper, after a plurality of several vegetarian refreshments mixing of mixer with all images layer on the described section, a plurality of pixels in the temporary section hybrid picture.
9. many image layer of dynamic type mixer as claimed in claim 8 is characterized in that the number of a plurality of image layer is an arbitrary integer, and the number of described a plurality of image layer overlaps each other or do not overlap.
10. a player is characterized in that, described player comprises:
Many image layer of dynamic type mixer, the picture in order to processing has a plurality of image layer comprises:
Universe header file search engine, according to level and vertical synchronizing signal, use the described picture of one scan line sweep, and carry out the search of universe header file, scan the initial and end position of image layer of each image layer of described picture on horizontal scanning line in view of the above, initial and the end position of picture level of and end position and described picture initial according to the image layer level of each image layer on the horizontal scanning line, described horizontal scanning line is divided into a plurality of sections, and according to the section width of a section, the image layer of each image layer on section image layer number and the horizontal scanning line is initial to produce different storage addresss in regular turn with end position;
The dynamic storage information module receives described a plurality of storage address in regular turn to obtain a plurality of several vegetarian refreshments of a plurality of image layer on the described section in regular turn to dynamic storage;
First mixer mixes a plurality of several vegetarian refreshments of a plurality of image layer on the described section in regular turn;
Static memory, in order to storing a plurality of pixels that mixed of described first mixer, and after first mixer mixed a plurality of several vegetarian refreshments of all images layer on the described section, described static memory can be erased; And
Impact damper is after a plurality of several vegetarian refreshments mixing of first mixer with all images layer on the described section, in order to a plurality of pixels in the temporary section hybrid picture; And
The video pictures processor is in order to the output video picture;
Deinterlacer is connected in described video pictures processor; And
Second mixer, in order to mixed video picture and many image layer hybrid picture, wherein many image layer hybrid picture comprises the blend of image layer more than many picture, each bar image layer blend picture comprises multistage section hybrid picture.
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|---|---|---|---|
| CN 201010136644 CN102194444B (en) | 2010-03-11 | 2010-03-11 | Mixer and method for mixing multiple dynamic image layers and player |
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| CN 201010136644 CN102194444B (en) | 2010-03-11 | 2010-03-11 | Mixer and method for mixing multiple dynamic image layers and player |
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| CN102194444A true CN102194444A (en) | 2011-09-21 |
| CN102194444B CN102194444B (en) | 2013-01-16 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321955A (en) * | 2001-06-04 | 2001-11-14 | 余克艰 | Standard playback method of multiframe moving cartoon |
| EP1566773A1 (en) * | 2004-02-18 | 2005-08-24 | Harman Becker Automotive Systems GmbH | Alpha blending based on a look-up table |
| US20050253867A1 (en) * | 2004-05-13 | 2005-11-17 | Canon Kabushiki Kaisha | Image processing apparatus |
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2010
- 2010-03-11 CN CN 201010136644 patent/CN102194444B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321955A (en) * | 2001-06-04 | 2001-11-14 | 余克艰 | Standard playback method of multiframe moving cartoon |
| EP1566773A1 (en) * | 2004-02-18 | 2005-08-24 | Harman Becker Automotive Systems GmbH | Alpha blending based on a look-up table |
| US20050253867A1 (en) * | 2004-05-13 | 2005-11-17 | Canon Kabushiki Kaisha | Image processing apparatus |
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| CN102194444B (en) | 2013-01-16 |
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