CN106303285A - The output intent of a kind of multimedia messages and device - Google Patents
The output intent of a kind of multimedia messages and device Download PDFInfo
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- CN106303285A CN106303285A CN201510260121.4A CN201510260121A CN106303285A CN 106303285 A CN106303285 A CN 106303285A CN 201510260121 A CN201510260121 A CN 201510260121A CN 106303285 A CN106303285 A CN 106303285A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
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Abstract
The invention discloses the output intent of a kind of multimedia messages, described method includes: obtain source multimedia messages, described source multimedia messages carries out synthesis process and obtains synthesizing multimedia messages, and store described synthesis multimedia messages;Each passage obtains synthesis multimedia messages, the synthesis multimedia messages obtained carries out display process and obtains destination multimedia information;Each Channel Synchronous exports described destination multimedia information.The invention also discloses the output device of a kind of multimedia messages.
Description
Technical Field
The present invention relates to multimedia information output technologies, and in particular, to a method and an apparatus for outputting multimedia information.
Background
With the rapid development of Information Technology (IT) and the improvement of living standard of people, people have higher and higher requirements for outputting multimedia Information such as video and the like, and output interfaces of the multimedia Information are diversified. In order to meet the requirement of outputting and displaying multimedia information on a plurality of devices at the same time, multi-channel output technology of the multimedia information is derived.
In the prior art, the multi-channel output technology includes two schemes: one is to adopt a time-sharing mode to output multimedia information to display equipment through different display interfaces; however, when multi-channel output of multimedia information is realized in a time-sharing manner, multimedia information cannot be simultaneously output to a plurality of display devices through different display interfaces, and cannot be simultaneously displayed on a plurality of display devices. The other is to realize multi-channel output through physical hardware, namely each display interface corresponds to an independent multimedia information display channel; the multi-channel output is realized through physical hardware, although the multi-media information can be displayed on a plurality of display devices at the same time, each channel is required to independently process the multi-media information, such as video synthesis, scaling and the like; not only is the hardware cost required to implement multi-channel output increased, but also a large amount of hardware resources are consumed.
Disclosure of Invention
In view of this, embodiments of the present invention are to provide a method and an apparatus for outputting multimedia information, which can achieve multi-channel synchronous output of multimedia information and reduce hardware cost.
The technical scheme of the embodiment of the invention is realized as follows:
the embodiment of the invention provides a method for outputting multimedia information, which comprises the following steps: acquiring source multimedia information, synthesizing the source multimedia information to obtain synthesized multimedia information, and storing the synthesized multimedia information; each channel acquires the synthesized multimedia information, and the acquired synthesized multimedia information is displayed to obtain target multimedia information; and synchronously outputting the target multimedia information by each channel.
In the above solution, the acquiring, by each channel, the synthesized multimedia information and performing display processing on the acquired synthesized multimedia information includes: each channel acquires the stored synthesized multimedia information and displays the acquired synthesized multimedia information; or, any one of the channels directly displays the synthesized multimedia information obtained by synthesizing the source multimedia information, and the other channels acquire the stored synthesized multimedia information and display the acquired synthesized multimedia information.
In the foregoing solution, the displaying the obtained synthesized multimedia information includes: and carrying out scaling processing and de-interlacing processing on the acquired synthetic multimedia information.
In the foregoing solution, the synthesizing of the source multimedia information includes: and synthesizing cursor layer data, video layer data and graphic layer data in the source multimedia information.
In the above solution, the storing the synthesized multimedia information includes: and storing the synthesized multimedia information to a storage area of the source multimedia information in a single-frame write-back or continuous write-back mode.
The embodiment of the invention also provides a multimedia information output device, which comprises: the device comprises a first acquisition module, a synthesis processing module, a storage module, a second acquisition module, a display processing module and an output module; wherein,
the first acquisition module is used for acquiring source multimedia information;
the synthesis processing module is used for carrying out synthesis processing on the source multimedia information to obtain synthesized multimedia information;
the storage module is used for storing the synthesized multimedia information;
the second obtaining module is used for obtaining the synthesized multimedia information;
the display processing module is used for displaying the acquired synthetic multimedia information to obtain target multimedia information;
and the output module is used for synchronously outputting the target multimedia information.
In the above scheme, the synthesis processing module is specifically configured to perform display processing on the acquired synthesized multimedia information, or directly perform display processing on the synthesized multimedia information obtained by performing synthesis processing on the source multimedia information.
In the foregoing solution, the display processing module is specifically configured to perform scaling processing and de-interlacing processing on the synthesized multimedia information acquired by the second acquisition module.
In the above scheme, the synthesis processing module is specifically configured to perform synthesis processing on cursor layer data, video layer data, and graphics layer data in the source multimedia information.
In the foregoing solution, the storage module is specifically configured to store the synthesized multimedia information in a storage area of the source multimedia information in a single-frame write-back or continuous write-back manner.
The method and the device for outputting the multimedia information, provided by the embodiment of the invention, are used for acquiring source multimedia information, synthesizing the source multimedia information to obtain synthesized multimedia information, and storing the synthesized multimedia information; each channel acquires the synthesized multimedia information, and the acquired synthesized multimedia information is displayed to obtain target multimedia information; each channel synchronously outputs the target multimedia information; wherein the synthesized multimedia information and the source multimedia information are stored in the same storage area; therefore, the synthesized multimedia information obtained by synthesizing the source multimedia information can be directly obtained by storing the synthesized multimedia information before display processing is carried out on each channel, and the plurality of channels do not need to execute the operation of synthesizing the source multimedia information, so that the hardware resource is saved, and the hardware cost is reduced; and synchronously controlling each channel to synchronously output the target multimedia information.
Drawings
FIG. 1 is a schematic diagram illustrating a basic processing flow of a method for outputting multimedia information according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structural framework for implementing multi-channel synchronous output of target multimedia information according to an embodiment of the present invention;
FIG. 3 is a detailed processing flow diagram of a method for outputting multimedia information according to an embodiment of the present invention;
FIG. 4 is a detailed processing flow diagram of a second method for outputting multimedia information according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a structure of an output device for multimedia information according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an output device for multimedia information according to an embodiment of the present invention.
Detailed Description
In the embodiment of the invention, source multimedia information is acquired, synthesized multimedia information is obtained by synthesizing the source multimedia information, and the synthesized multimedia information is stored; each channel acquires the synthesized multimedia information, and the acquired synthesized multimedia information is displayed to obtain target multimedia information; and synchronously outputting the target multimedia information by each channel.
Here, the synchronously outputting the target multimedia information by each channel is outputting the target multimedia information by a multi-channel On-Screen Display (OSD) based On a multimedia chip.
The technical solution of the present invention is further elaborated below with reference to the drawings and the specific embodiments.
As shown in fig. 1, a basic processing flow of the method for outputting multimedia information according to the embodiment of the present invention includes the following steps:
step 101, obtaining source multimedia information;
specifically, a first obtaining module in the multimedia chip obtains source multimedia information from an Advanced extensible interface (AXI) auxiliary device;
wherein the AXI slave device may be a Double Data Rate (DDR), the source multimedia information includes: 1 cursor layer, 3 video layers and 3 graphic layers; and the data of the cursor layer, the video layer and the graphic layer can be configured through registers and used for the first acquisition module to acquire.
102, synthesizing the source multimedia information to obtain synthesized multimedia information, and storing the synthesized multimedia information;
specifically, a synthesis processing module in a multimedia chip synthesizes cursor layer data, video layer data and graphics layer data in the multimedia information, and stores the synthesized multimedia information to a storage area of the source multimedia information in a single-frame write-back or continuous write-back manner through an AXI bus, wherein the storage area is AXI auxiliary equipment or DDR; storing the synthesized multimedia information, namely writing back the synthesized multimedia information, and supporting multiple multimedia formats such as ARGB8888, YUV422, YUV420 and the like when writing back the synthesized multimedia information;
here, the continuous write back further includes a frame skip write back, and the horizontal resolution of each channel is required to be more than 128 when the multimedia information write back function is performed.
103, acquiring the synthesized multimedia information by each channel, and displaying the acquired synthesized multimedia information to obtain target multimedia information;
specifically, each channel acquires the stored synthesized multimedia information, and displays the acquired synthesized multimedia information; or, any one of the channels directly displays the synthesized multimedia information obtained by synthesizing the source multimedia information, and the other channels acquire the stored synthesized multimedia information and display the acquired synthesized multimedia information;
wherein the display Processing can be realized by a Physical Processing Unit (PPU), the display Processing includes performing scaling Processing and de-interlacing Processing on the synthesized multimedia information, the scaling Processing realizes conversion of the resolution of the synthesized multimedia information to the resolution of the target multimedia information, and scaling of the rows and columns of the synthesized multimedia information within a range of 1/8 to 32 times; the maximum display resolution supported by the video layers of the composite multimedia information and the target multimedia information is 1920 × 1200, and the minimum display resolution is 48 × 48;
here, each of the channels includes a main channel and a plurality of sub-channels, the sub-channels are dependent on the main channel, the main channel is fixed in an open state, and the sub-channels can be in an open state or a closed state; the maximum multimedia information resolution supported by the main channel and the auxiliary channel is the same as the maximum frame rate, the maximum multimedia information resolution is 1920 × 1200, the maximum frame rate can be determined by the working frequency of the channel, and if the maximum frame rate reaches 1080ps @60fps, the working frequency of the corresponding channel is 148.5 MHz; the main channel and the auxiliary channel are respectively provided with a monochrome background layer in an RGB888 format, and the monochrome background layer is set by a register and does not need to be read from the outside;
in the embodiment of the invention, the main channel directly displays the synthesized multimedia information obtained by synthesizing the source multimedia information, and all the auxiliary channels acquire the stored synthesized multimedia information and display the acquired synthesized multimedia information; therefore, each sub-channel directly acquires the synthesized multimedia information obtained through the synthesis processing, so that the operation of synthesizing the source multimedia information is not required to be executed before the synthesized multimedia information is displayed by each sub-channel, the hardware resource is saved, and the hardware cost is reduced.
104, synchronously outputting the target multimedia information by each channel;
specifically, the output of the main channel and all the auxiliary channels is synchronously processed, so that each channel synchronously outputs the target multimedia information;
as shown in fig. 2, it can be seen that the multiplexer MUX synthesizes video layer data, graphics layer data and cursor layer data, and sends the synthesized data to the Main mixer for Alpha mixing processing; one path of the mixed data is sent to the PPU for display processing, and the other path of the mixed data is written back to the DDR through a Write back mechanism; the data written back to the DDR can be directly sent to the PPU for display processing, and then displayed through an Auxiliary display interface.
Method embodiment one
A detailed processing flow of the method for outputting multimedia information according to an embodiment of the present invention, as shown in fig. 3, includes the following steps:
step 201, obtaining source multimedia video information from a DDR;
specifically, a first acquisition module in the multimedia chip acquires source multimedia video information from the DDR;
wherein the source multimedia information includes: 1 cursor layer, 3 video layers and 3 graphics layers.
Step 202, synthesizing the source multimedia information to obtain synthesized multimedia information, and storing the synthesized multimedia information;
specifically, a synthesis module in a multimedia chip synthesizes cursor layer data, video layer data and graphics layer data in the multimedia information, and stores the synthesized multimedia information to the DDR in a single-frame write-back or continuous write-back manner through an AXI bus; storing the synthesized multimedia information, namely writing back the synthesized multimedia information, and supporting multiple multimedia formats such as ARGB8888, YUV422, YUV420 and the like when writing back the synthesized multimedia information;
here, the continuous write back further includes a frame skip write back, and the horizontal resolution of each channel is required to be more than 128 when the multimedia information write back function is performed.
Step 203, the main channel displays the synthesized multimedia information;
specifically, the PPU in the main channel performs display processing on the synthesized multimedia information to obtain target multimedia information, where the display processing includes performing scaling processing and de-interlacing processing on the synthesized multimedia information, the scaling processing realizes conversion of the resolution of the synthesized multimedia information to the resolution of the target multimedia information, and scaling of rows and columns of the synthesized multimedia information in a range of 1/8 to 32 times; the maximum display resolution supported by the video layers of the composite multimedia information and the target multimedia information is 1920 × 1200, and the minimum display resolution is 48 × 48.
Step 204, the sub-channel acquires the synthesized multimedia information and displays the acquired synthesized multimedia information;
specifically, the sub-channel acquires the synthesized multimedia information from the DDR, and displays the acquired synthesized multimedia information to obtain the target multimedia information;
wherein the secondary channel may be one or more;
the sub-channel does not need to execute the operation of synthesizing the source multimedia information before the synthesized multimedia information is displayed, so that the hardware resource is saved, and the hardware cost is reduced.
Step 205, each channel synchronously outputs target multimedia information;
specifically, the main channel and the sub-channel are controlled to synchronously output the target multimedia information.
Method embodiment two
The detailed processing flow of the output method of multimedia information in the second embodiment of the present invention, as shown in fig. 4, includes the following steps:
step 301, obtaining source multimedia video information from a DDR;
specifically, a first acquisition module in the multimedia chip acquires source multimedia video information from the DDR;
wherein the source multimedia information includes: 1 cursor layer, 3 video layers and 3 graphics layers.
Step 302, synthesizing the source multimedia information to obtain synthesized multimedia information, and storing the synthesized multimedia information;
specifically, a synthesis module in a multimedia chip synthesizes cursor layer data, video layer data and graphics layer data in the multimedia information, and stores the synthesized multimedia information to the DDR in a single-frame write-back or continuous write-back manner through an AXI bus; storing the synthesized multimedia information, namely writing back the synthesized multimedia information, and supporting multiple multimedia formats such as ARGB8888, YUV422, YUV420 and the like when writing back the synthesized multimedia information;
here, the continuous write back further includes a frame skip write back, and the horizontal resolution of each channel is required to be more than 128 when the multimedia information write back function is performed.
303, acquiring the synthesized multimedia information by each channel, and displaying the acquired synthesized multimedia information;
specifically, a main channel and an auxiliary channel both acquire synthesized multimedia information from a DDR, PPUs in the main channel and the auxiliary channel perform display processing on the synthesized multimedia information to obtain target multimedia information, the display processing includes performing scaling processing and de-interlacing processing on the synthesized multimedia information, the scaling processing realizes conversion from the resolution of the synthesized multimedia information to the resolution of the target multimedia information, and scaling of rows and columns of the synthesized multimedia information within a range of 1/8 to 32 times; the maximum display resolution supported by the video layers of the composite multimedia information and the target multimedia information is 1920 × 1200, and the minimum display resolution is 48 × 48;
the number of the main channels is one, and the number of the auxiliary channels can be one or more;
the sub-channel does not need to execute the operation of synthesizing the source multimedia information before the synthesized multimedia information is displayed, so that the hardware resource is saved, and the hardware cost is reduced.
Step 304, synchronously outputting target multimedia information by each channel;
specifically, the main channel and the sub-channel are controlled to synchronously output the target multimedia information.
In order to implement the above output method of multimedia information, an embodiment of the present invention further provides an output device of multimedia information, where a composition structure of the device is as shown in fig. 5, and the output device includes: a first acquisition module 10, a synthesis processing module 20, a storage module 30, a second acquisition module 40, a display processing module 50 and an output module 60; wherein,
the first obtaining module 10 is configured to obtain source multimedia information;
the synthesis processing module 20 is configured to perform synthesis processing on the source multimedia information to obtain synthesized multimedia information;
the storage module 30 is configured to store the synthesized multimedia information;
the second obtaining module 40 is configured to obtain the synthesized multimedia information;
the display processing module 50 is configured to perform display processing on the acquired synthesized multimedia information to obtain target multimedia information;
the output module 60 is configured to output the target multimedia information synchronously.
In an embodiment, the synthesis processing module 20 is specifically configured to perform display processing on the acquired synthesized multimedia information, or directly perform display processing on the synthesized multimedia information obtained by performing synthesis processing on the source multimedia information.
In an embodiment, the display processing module 50 is specifically configured to perform scaling processing and de-interlacing processing on the synthesized multimedia information acquired by the second acquiring module.
In an embodiment, the synthesis processing module 20 is specifically configured to perform synthesis processing on a cursor layer, a video layer, and a graphics layer in the source multimedia information.
In an embodiment, the storage module 30 is specifically configured to store the synthesized multimedia information to a storage area of the source multimedia information in a single-frame write-back or continuous write-back manner.
In an embodiment, the synthesis processing module 20 synthesizes cursor layer data, video layer data and graphics layer data in the multimedia information, and stores the synthesized multimedia information to a storage area of the source multimedia information through an AXI bus in a single-frame write-back or continuous write-back manner, where the storage area is an AXI auxiliary device or DDR; storing the synthesized multimedia information, namely writing back the synthesized multimedia information, and supporting multiple multimedia formats such as ARGB8888, YUV422, YUV420 and the like when writing back the synthesized multimedia information; wherein the continuous write back further comprises a frame skipping write back, and the horizontal resolution of each channel is required to be more than 128 when the multimedia information write back function is executed.
In one embodiment, the display processing includes scaling and de-interlacing the synthesized multimedia information, the scaling enabling a conversion of a resolution of the synthesized multimedia information to a resolution of the target multimedia information, and scaling of rows and columns of the synthesized multimedia information in a range of 1/8 to 32 times; the maximum display resolution supported by the video layers of the composite multimedia information and the target multimedia information is 1920 × 1200, and the minimum display resolution is 48 × 48.
In one embodiment, a plurality of the output modules 60 and a plurality of the display processing modules 50 are included, that is, one output module 60 and one display processing module 50 are provided for each main channel, and one output module 60 and one display processing module 50 are provided for each sub-channel; the auxiliary channel depends on the main channel, the main channel is fixed in an opening state, and the auxiliary channel can be in the opening state or in a closing state; the maximum multimedia information resolution supported by the main channel and the auxiliary channel is the same as the maximum frame rate, the maximum multimedia information resolution is 1920 × 1200, the maximum frame rate can be determined by the working frequency of the channel, and if the maximum frame rate reaches 1080ps @60fps, the working frequency of the corresponding channel is 148.5 MHz; the main channel and the sub-channel each have a monochrome background layer in RGB888 format set by registers and not read from the outside.
In the embodiment of the invention, the main channel directly displays the synthesized multimedia information obtained by synthesizing the source multimedia information, and all the auxiliary channels acquire the stored synthesized multimedia information and display the acquired synthesized multimedia information; therefore, each sub-channel directly acquires the synthesized multimedia information obtained through the synthesis processing, so that the operation of synthesizing the source multimedia information is not required to be executed before the synthesized multimedia information is displayed by each sub-channel, the hardware resource is saved, and the hardware cost is reduced.
Apparatus embodiment one
In order to implement the method for outputting multimedia information provided in the first embodiment of the method, a first embodiment of the apparatus according to the present invention further provides an apparatus for outputting multimedia information, and a structure of the apparatus, as shown in fig. 6, includes: a first acquisition module 10, a synthesis processing module 20, a storage module 30, a second acquisition module 40, a display processing module 50 and an output module 60; wherein,
the first obtaining module 10 is configured to obtain source multimedia information;
the synthesis processing module 20 is configured to perform synthesis processing on the source multimedia information to obtain synthesized multimedia information;
the storage module 30 is configured to store the synthesized multimedia information;
the second obtaining module 40 is configured to obtain the synthesized multimedia information;
the display processing module 50 is configured to perform display processing on the acquired synthesized multimedia information to obtain target multimedia information, and perform synthesis processing on the source multimedia information to obtain synthesized multimedia information, and directly perform display processing on the synthesized multimedia information to obtain the target multimedia information;
the output module 60 is configured to output the target multimedia information synchronously.
In an embodiment, the synthesis processing module 20 is specifically configured to perform display processing on the acquired synthesized multimedia information, or directly perform display processing on the synthesized multimedia information obtained by performing synthesis processing on the source multimedia information.
In an embodiment, the display processing module 50 is specifically configured to perform scaling processing and de-interlacing processing on the synthesized multimedia information acquired by the second acquiring module.
In an embodiment, the synthesis processing module 20 is specifically configured to perform synthesis processing on a cursor layer, a video layer, and a graphics layer in the source multimedia information.
In an embodiment, the storage module 30 is specifically configured to store the synthesized multimedia information to a storage area of the source multimedia information in a single-frame write-back or continuous write-back manner.
In an embodiment, the synthesis processing module 20 synthesizes cursor layer data, video layer data and graphics layer data in the multimedia information, and stores the synthesized multimedia information to a storage area of the source multimedia information through an AXI bus in a single-frame write-back or continuous write-back manner, where the storage area is an AXI auxiliary device or DDR; storing the synthesized multimedia information, namely writing back the synthesized multimedia information, and supporting multiple multimedia formats such as ARGB8888, YUV422, YUV420 and the like when writing back the synthesized multimedia information; wherein the continuous write back further comprises a frame skipping write back, and the horizontal resolution of each channel is required to be more than 128 when the multimedia information write back function is executed.
In one embodiment, the display processing includes scaling and de-interlacing the synthesized multimedia information, the scaling enabling a conversion of a resolution of the synthesized multimedia information to a resolution of the target multimedia information, and scaling of rows and columns of the synthesized multimedia information in a range of 1/8 to 32 times; the maximum display resolution supported by the video layers of the composite multimedia information and the target multimedia information is 1920 × 1200, and the minimum display resolution is 48 × 48.
In one embodiment, a plurality of the output modules 60 and a plurality of the display processing modules 50 are included, that is, one output module 60 and one display processing module 50 are provided for each main channel, and one output module 60 and one display processing module 50 are provided for each sub-channel; the auxiliary channel depends on the main channel, the main channel is fixed in an opening state, and the auxiliary channel can be in the opening state or in a closing state; the maximum multimedia information resolution supported by the main channel and the auxiliary channel is the same as the maximum frame rate, the maximum multimedia information resolution is 1920 × 1200, the maximum frame rate can be determined by the working frequency of the channel, and if the maximum frame rate reaches 1080ps @60fps, the working frequency of the corresponding channel is 148.5 MHz; the main channel and the sub-channel each have a monochrome background layer in RGB888 format set by registers and not read from the outside.
In the embodiment of the invention, the main channel directly displays the synthesized multimedia information obtained by synthesizing the source multimedia information, and all the auxiliary channels acquire the stored synthesized multimedia information and display the acquired synthesized multimedia information; therefore, each sub-channel directly acquires the synthesized multimedia information obtained through the synthesis processing, so that the operation of synthesizing the source multimedia information is not required to be executed before the synthesized multimedia information is displayed by each sub-channel, the hardware resource is saved, and the hardware cost is reduced.
It should be noted that, in practical applications, the functions of the first obtaining module 10, the synthesizing processing module 20, the storing module 30, the second obtaining module 40, the display processing module 50 and the output module 60 may be implemented by a Central Processing Unit (CPU), a microprocessor unit (MPU), a Digital Signal Processor (DSP), a programmable gate array (FPGA), or a PPU on a multimedia chip.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A method for outputting multimedia information, the method comprising:
acquiring source multimedia information, synthesizing the source multimedia information to obtain synthesized multimedia information, and storing the synthesized multimedia information;
each channel acquires the synthesized multimedia information, and the acquired synthesized multimedia information is displayed to obtain target multimedia information;
and synchronously outputting the target multimedia information by each channel.
2. The method for outputting multimedia information according to claim 1, wherein the acquiring of the composite multimedia information by each channel and the displaying of the acquired composite multimedia information comprise:
each channel acquires the stored synthesized multimedia information and displays the acquired synthesized multimedia information; or,
and any one of the channels directly displays the synthesized multimedia information obtained by synthesizing the source multimedia information, and the other channels acquire the stored synthesized multimedia information and display the acquired synthesized multimedia information.
3. The method for outputting multimedia information according to claim 1 or 2, wherein the performing of the display processing on the acquired composite multimedia information includes:
and carrying out scaling processing and de-interlacing processing on the acquired synthetic multimedia information.
4. The method for outputting multimedia information according to claim 1 or 2, wherein the synthesizing the source multimedia information comprises:
and synthesizing cursor layer data, video layer data and graphic layer data in the source multimedia information.
5. The method for outputting multimedia information according to claim 1 or 2, wherein the storing the synthesized multimedia information comprises:
and storing the synthesized multimedia information to a storage area of the source multimedia information in a single-frame write-back or continuous write-back mode.
6. An apparatus for outputting multimedia information, the apparatus comprising: the device comprises a first acquisition module, a synthesis processing module, a storage module, a second acquisition module, a display processing module and an output module; wherein,
the first acquisition module is used for acquiring source multimedia information;
the synthesis processing module is used for carrying out synthesis processing on the source multimedia information to obtain synthesized multimedia information;
the storage module is used for storing the synthesized multimedia information;
the second obtaining module is used for obtaining the synthesized multimedia information;
the display processing module is used for displaying the acquired synthetic multimedia information to obtain target multimedia information;
and the output module is used for synchronously outputting the target multimedia information.
7. The apparatus for outputting multimedia information according to claim 6, wherein the synthesis processing module is specifically configured to perform display processing on the obtained synthesized multimedia information, or perform display processing directly on the synthesized multimedia information obtained by performing synthesis processing on the source multimedia information.
8. The apparatus for outputting multimedia information according to claim 6 or 7, wherein the display processing module is specifically configured to perform scaling processing and de-interlacing processing on the synthesized multimedia information obtained by the second obtaining module.
9. The apparatus for outputting multimedia information according to claim 6 or 7, wherein the synthesis processing module is specifically configured to perform synthesis processing on cursor layer data, video layer data, and graphics layer data in the source multimedia information.
10. The information sharing apparatus according to claim 6 or 7, wherein the storage module is specifically configured to store the synthesized multimedia information in a storage area of the source multimedia information by way of single-frame write-back or continuous write-back.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112383732A (en) * | 2020-12-09 | 2021-02-19 | 上海移远通信技术股份有限公司 | Signal transmission system and method with adaptive resolution |
CN113329265A (en) * | 2021-05-26 | 2021-08-31 | 浙江大华技术股份有限公司 | Multimedia information display method, device, storage medium and electronic device |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7027064B2 (en) * | 2002-02-28 | 2006-04-11 | Sun Microsystems, Inc. | Active block write-back from SRAM cache to DRAM |
CN1964439A (en) * | 2005-11-09 | 2007-05-16 | 上海奇码数字信息有限公司 | Screen display mixing system and method |
CN101902596A (en) * | 2010-02-09 | 2010-12-01 | 深圳市同洲电子股份有限公司 | Image processing method, image processing device and digital television receiving terminal |
CN102860027A (en) * | 2010-02-19 | 2013-01-02 | 汤姆森许可贸易公司 | Automatic clip generation on set top box |
CN103259989A (en) * | 2012-02-17 | 2013-08-21 | 中兴通讯股份有限公司 | Screen content display method and screen content display device |
US20140267908A1 (en) * | 2013-03-15 | 2014-09-18 | Lenovo (Singapore) Pte, Ltd. | Apparatus, system and method for cooperatively presenting multiple media signals via multiple media outputs |
CN104580837A (en) * | 2015-01-20 | 2015-04-29 | 南京纳加软件有限公司 | Video director engine based on GPU+CPU+IO architecture and using method thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103544130B (en) * | 2013-10-24 | 2016-01-20 | 北京时代奥视科技股份有限公司 | A kind of windows display equipment and display packing |
-
2015
- 2015-05-20 CN CN201510260121.4A patent/CN106303285A/en not_active Withdrawn
- 2015-11-23 WO PCT/CN2015/095315 patent/WO2016184066A1/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7027064B2 (en) * | 2002-02-28 | 2006-04-11 | Sun Microsystems, Inc. | Active block write-back from SRAM cache to DRAM |
CN1964439A (en) * | 2005-11-09 | 2007-05-16 | 上海奇码数字信息有限公司 | Screen display mixing system and method |
CN101902596A (en) * | 2010-02-09 | 2010-12-01 | 深圳市同洲电子股份有限公司 | Image processing method, image processing device and digital television receiving terminal |
CN102860027A (en) * | 2010-02-19 | 2013-01-02 | 汤姆森许可贸易公司 | Automatic clip generation on set top box |
CN103259989A (en) * | 2012-02-17 | 2013-08-21 | 中兴通讯股份有限公司 | Screen content display method and screen content display device |
US20140267908A1 (en) * | 2013-03-15 | 2014-09-18 | Lenovo (Singapore) Pte, Ltd. | Apparatus, system and method for cooperatively presenting multiple media signals via multiple media outputs |
CN104580837A (en) * | 2015-01-20 | 2015-04-29 | 南京纳加软件有限公司 | Video director engine based on GPU+CPU+IO architecture and using method thereof |
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