CN103702141A - System for multiplexing video-on-demand program stream - Google Patents
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Abstract
The invention discloses a system for multiplexing a video-on-demand program stream. The system comprises a video-on-demand stream receiving processing module, a video-on-demand stream multiplexing processing module and a video-on-demand stream sending module, wherein the video-on-demand stream receiving processing module is used for receiving an input stream transmitted by a video-on-demand server and converting the input stream into a TS (transport stream) format; the video-on-demand stream multiplexing processing module is used for receiving a stream input by the video-on-demand stream receiving processing module, determining a video-on-demand stream output channel to realize replacement of PID (proportion integration differentiation), and generating and sending a new PID table; the video-on-demand stream sending module is used for receiving a stream input by the video-on-demand stream multiplexing processing module and outputting the TS in a corresponding modulation mode as required. According to the system, the bandwidth of the video-on-demand program stream which can be processed is higher, the concurrent processing capacity is effectively improved, and the real-time performance of video-on-demand stream processing is better; the cooperative processing capacity of a logic device and a CPU (central processing unit) is fully utilized, the coupling interaction between the logic device and the CPU is effectively reduced, and the stability of the system is effectively improved; in-chip storage resources on a programmable logic device are adopted, and hardware is simple in design and low in cost.
Description
Technical field
The present invention relates to a kind of video frequency request program and flow multiplexing system.
Background technology
At present, along with becoming increasingly abundant of audio-visual content, people are also more and more outstanding for the personalization of audiovisual demand, so video-on-demand service is more and more extensive in the use of radio and television application.As the broadcasting and TV headend equipment of realizing video-on-demand service, must well process the processing of a large amount of different user request program streams, accomplish in real time stream distribution accurately, meet user's audiovisual demand.At present broadcasting and TV headend equipment is realized video frequency request program and is flowed multiplexing method and mainly contain two kinds: (1) adopts the method for software to realize the multiplexing distribution processor of video frequency request program stream.Due to the feature restriction of software realization itself, its real-time response for user's program request is poor, and user's program request number of concurrent processing is simultaneously few.(2) adopt programmable logic device in conjunction with the mode of external memory storage, to realize the multiplexing distribution processor of video frequency request program stream.In this scheme, owing to adopting external memory storage, cost is high, and hardware designs is complicated.
Summary of the invention
In order to solve above-mentioned video frequency request program, flow multiplexing deficiency, the invention provides a kind of design of video frequency request program stream multiplexing system.
Video frequency request program flows a multiplexing system, comprising: video-on-demand stream receiving processing module, receive the inlet flow being transmitted by ordering server, and convert TS stream format to; Video-on-demand stream multiplexing process module, reception is from the stream of single or multiple video-on-demand stream receiving processing module inputs, according to program request stream distribution principle, determine program request stream output channel, and realize the replacement for PID, generate and send new showing for the PSI/SI that mates output channel multiplex stream and replace after PID simultaneously; Video-on-demand stream sending module, receives the stream from the input of video-on-demand stream multiplexing process module, as requested by corresponding modulation system output TS stream.
Concrete, described video-on-demand stream receiving processing module comprises: TS_Receive module, receives outside inlet flow, and convert TS stream format to, and identify the stream number of each TS stream; Assign_PID_NO module, analyzes each TS bag PID of TS_Receive module output, completes the PID search of stream, and be each stream in one of each PID distribution short PID Number independently; Add_head module, the self-defined packet header to 4 bytes of TS bag interpolation of input.
More specifically, described Assign_PID_NO module is to each the TS bag receiving, whether the stream number that wraps corresponding TS stream according to TS is inquired about the PID that this TS flows current TS bag in corresponding storage space and is existed, if do not exist this PID write to first idle address in the corresponding stored space that becomes a mandarin, and using this free time address as the short PID Number of this PID, and this address space highest order exist_flag is set to effectively; If existing to using finds the low order address of this PID memory space as the short PID Number of this PID.
More specifically, Assign_PID_NO module is read and write an on-chip memory by Programmable Logic Device and is realized the operation to memory space; Described memory depth is N*M, and wherein N is that system needs total flow amount to be processed, the PID quantity that M comprises for each TS stream.
More specifically, described self-defined packet header comprises: stream number Channel_number_L and the Channel_number_H at short PID Number:PID_NO, current TS stream place, the max-flow number that its bit wide is supported with system is determined.
Further, described video-on-demand stream multiplexing process module comprises:
IN_MUX module, is multiplexed into a road TS stream by the inlet flow from one or more TS_Receive modules.
DestInfo_Search module, determines each TS bag whereabouts by look-up table, and acquisition board enables Dest_slot, interim PID PID_T, each output board card subchannel enables Dest_channel_Slot[i] or output program number Program_NO.
Table_Filter_Buffer module, judges whether current bag PID needs to be filled into CPU, and if desired in this module, the current bag of buffer memory reads for CPU.
PID_Replace module, judges that whether TS bag whereabouts is unique, and selects different PID generation methods to become corresponding new PID next life with whereabouts uniqueness judged result, replaces original PID.
Stream_Allocation module, enables Dest_slot according to board, determines the output board card that current bag need to output to, and outputs to the corresponding OUT_MUX module of this output board card; Each output board card subchannel obtaining being enabled to Dest_channel_Slot[i simultaneously] information replaces former self-defined packet header content.
Table_TX module, sends to by the PSI/SI table of replacing after PID the OUT_MUX module that this shows corresponding output board card with Fixed Time Interval.
OUT_MUX module, the table that TS stream and the Table_TX module of Stream_Allocation module output are exported carries out after multiplexing outputing to video-on-demand stream sending module.
Further, described look-up table comprises the first look-up table, second look-up table and the 3rd look-up table; The first look-up table, comprises and is filled into CPU sign bit CPU and deletes flag del; Second look-up table, this table is divided into P section, stream number and pid value that each section comprises TS bag, the output board card of bag enables Dest_slot, interim PID PID_T and each output board card subchannel enables Dest_channel_Slot[i], wherein P is the not unique PID number of whereabouts that system is supported; The 3rd look-up table, comprises that output board card enables Dest_slot, each output board card subchannel enables Dest_channel_Slot[i] and output program number Program_NO.
Further, described DestInfo_Search module judges whether in corresponding the first look-up table of current TS bag, delete flag del is invalid, if invalid, inquire about second look-up table, by logical circuit order, reading first memory space content in each section of memory space compares with stream number and the pid value of current TS bag, if there is matching value, finds the corresponding section of matching value to obtain this TS and wrap that corresponding output board card enables Dest_slot, interim PID PID_T and each output board card subchannel enables Dest_channel_Slot[i];
If delete flag (del) in corresponding the first look-up table of current TS bag for section invalid and that not do not match with stream number and the pid value of current TS bag in second look-up table, inquire about the 3rd look-up table, take stream number as look-up table address, obtain this TS and flow that corresponding output board card enables Dest_slot, each output board card subchannel enables Dest_channel_Slot[i] and output program number Program_NO.
Further, described new PID generation method comprises: the unique PID of whereabouts, and its value is Program_NO*16+PID_Number+256; The not unique PID of whereabouts, its value is PID_T+4096+256.
Further, described video-on-demand stream sending module receives the TS stream from the output of video-on-demand stream Multiplexing module, according to each passage output enable inserting in TS stream, corresponding bag is distributed to each output channel, then the code check arranging by user carries out after rate adjust by corresponding output interface formatted output.
In sum, the present invention has following beneficial effect: the video frequency request program stream bandwidth that (1) can process is higher, concurrent processing ability effectively promotes, the real-time better (2) of processing for video-on-demand stream makes full use of the associated treatment ability of logical device and CPU and has effectively reduced the two coupling mutual, has effectively promoted the stability of system; (3) adopt storage resources in the sheet on programmable logic device, do not need external memory storage, hardware designs is simple, and cost is low.
Accompanying drawing explanation
Fig. 1 is that a kind of video frequency request program of the present invention flows multiplexing system framework schematic diagram;
Fig. 2 is the framework schematic diagram of video-on-demand stream receiving processing module of the present invention;
Fig. 3 is each data field section definition schematic diagram of on-chip memory of the present invention;
Fig. 4 is self-defined packet header of the present invention storage format schematic diagram;
Fig. 5 is the framework schematic diagram of video-on-demand stream multiplexing process module of the present invention;
Fig. 6 is the first look-up table schematic diagram of the present invention;
Fig. 7 is second look-up table schematic diagram of the present invention;
Fig. 8 the of the present invention the 3rd searches and represents intention.
Embodiment
In order to allow those skilled in the art can understand better technical scheme of the present invention, below in conjunction with accompanying drawing, the invention will be further elaborated.
As shown in Figure 1, the present invention has disclosed a kind of video frequency request program and has flowed multiplexing system, comprising: video-on-demand stream receiving processing module 1(Receiver), receive the inlet flow being transmitted by ordering server, convert TS stream format to; Video-on-demand stream multiplexing process module 2(MUX), reception is from the stream of single or multiple video-on-demand stream receiving processing module inputs, according to program request stream distribution principle, determine program request stream output channel, and realize the replacement for PID, generate and send new showing for the PSI/SI that mates output channel multiplex stream and replace after PID simultaneously; Video-on-demand stream sending module 3(Transmit), receive the stream from the input of video-on-demand stream multiplexing process module, as requested by corresponding modulation system output TS stream.
As shown in Figure 2, video-on-demand stream receiving processing module comprises TS_Receive module 10, Assign_PID_NO module 11 and Add_head module 12.
Video-on-demand stream reception & disposal mould receives outside inlet flow (from outside coffret) by TS_Receive module 10, and converts TS stream format to, and the input pattern of inlet flow comprises by IP, ASI etc.Because each coffret may transmit a plurality of TS stream, so need to identify the stream number of each TS stream when 10 output of TS_Receive module.
Each TS bag PID of 11 pairs of TS_Receive modules of Assign_PID_NO module 10 output analyzes, and completes the PID search of stream, and is one of each PID distribution in each stream short PID Number independently.Assign_PID_NO module is to each the TS bag receiving, whether the stream number that wraps corresponding TS stream according to TS is inquired about the PID that this TS flows current TS bag in corresponding storage space and is existed, if do not exist this PID write to first idle address in the corresponding stored space that becomes a mandarin, and using the short PID Number of this free time address as this PID, and this address space highest order exist_flag is set to effectively, exist_flag represents that current address stored effective PID, judges that whether the information in space, current address is effective while searching for PID; If existing to using finds the low order address of this PID memory space as the short PID Number of this PID.
The function of Assign_PID_NO module realizes and can to on-chip memory, read and write by Programmable Logic Device; Described memory depth is N*M, and wherein N is that system needs total flow amount to be processed, the PID quantity that M comprises for each TS stream.General, the TS bag PID quantity that TS stream comprises is no more than 16, and can change according to system requirements in practical application.Each data field section definition of on-chip memory as shown in Figure 3.
The TS bag of 12 pairs of inputs of Add_head module adds the self-defined packet header of 4 bytes.As shown in Figure 4, self-defined packet header comprises: stream number Channel_number_L and the Channel_number_H at short PID Number: PID_NO, current TS stream place, the max-flow number that its bit wide is supported with system is determined.
Video-on-demand stream multiplexing process module comprises as shown in Figure 5: IN_MUX module 20, DestInfo_Search module 21, Table_Filter_Buffer module 22, PID_Replace module 23, Stream_Allocation module 24, Table_TX module 25 and OUT_MUX module 26.
IN_MUX module 21, is multiplexed into a road TS stream by the inlet flow from one or more TS_Receive modules.
For the TS stream from IN_MUX module 21, DestInfo_Search module 22 judges in corresponding the first look-up table of current TS bag (as shown in Figure 6) deletes whether flag del is invalid, if invalid, inquire about second look-up table (as shown in Figure 7), by logical circuit order, reading first memory space content in each section of memory space compares with stream number and the pid value of current TS bag, if there is matching value, this TS wraps whereabouts not unique (needing to output to a plurality of output board cards), now reading the corresponding section of matching value obtains this TS and wraps corresponding output board card and enable Dest_slot, interim PID PID_T and each output board card subchannel enable Dest_channel_Slot[i].Because this TS bag whereabouts is not unique, PID_Replace module 23 generates new PID according to PID_T: its value is PID_T+4096+256, and replaces original PID.Wherein, interim PID PID_T is for generating the not new PID of unique PID of PID whereabouts, and the PID(of each " go many " is the not unique PID of whereabouts) a corresponding unique interim PID, when multiplexing to guarantee to export, there will not be PID to conflict.
If delete flag (del) in corresponding the first look-up table of current TS bag for section (this TS bag whereabouts is unique) invalid and that not do not match with stream number and the pid value of current TS bag in second look-up table, inquire about the 3rd look-up table (as shown in Figure 8), take stream number as look-up table address, obtain this TS and flow that corresponding output board card enables Dest_slot, each output board card subchannel enables Dest_channel_Slot[i] and output program number Program_NO.Now PID_Replace module 23 generates new PID according to Program_NO and PID_Number, and its value is Program_NO*16+PID_Number+256, and replaces original PID.Wherein PID_Number represents short PID Number.
Simultaneously, whether Table_Filter_Buffer module 22 will be filled into CPU identification information according to what obtain in the first look-up table in DestInfo_Search module 21, and whether determine current bag PID needs the current PID of CPU bit representation that is filled into CPU(the first look-up table whether to need to be filled into CPU).The board obtaining in DestInfo_Search module enables Dest_slot information and judges whether current bag will be filled into CPU.Table_Filter_Buffer module is mainly that the TS bag (being mainly PSI/SI table) that software need to be obtained filters out, for these tables are done to corresponding analysis.If desired in this module, the current bag of buffer memory reads for CPU.
The table that OUT_MUX module 25 is exported the TS stream of Stream_Allocation module 23 output and Table_TX module 24 carries out after multiplexing outputing to video-on-demand stream sending module.
Finally, video-on-demand stream sending module receives the TS stream from the output of video-on-demand stream Multiplexing module, according to each passage output enable inserting in TS stream, corresponding bag is distributed to each output channel, then the code check arranging by user carries out after rate adjust by corresponding output interface formatted output.
The present embodiment is more excellent execution mode of the present invention, and the part not being described in detail all adopts known mature technology.It should be noted that; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. video frequency request program flows a multiplexing system, it is characterized in that, comprising:
Video-on-demand stream receiving processing module, receives the inlet flow being transmitted by ordering server, converts TS stream format to;
Video-on-demand stream multiplexing process module, reception is from the stream of single or multiple video-on-demand stream receiving processing module inputs, according to program request stream distribution principle, determine program request stream output channel, and realize the replacement for PID, generate and send new showing for the PSI/SI that mates output channel multiplex stream and replace after PID simultaneously;
Video-on-demand stream sending module, receives the stream from the input of video-on-demand stream multiplexing process module, as requested by corresponding modulation system output TS stream.
2. a kind of video frequency request program according to claim 1 flows multiplexing system, it is characterized in that, described video-on-demand stream receiving processing module comprises:
TS_Receive module, receives outside inlet flow, and converts TS stream format to, and identifies the stream number of each TS stream;
Assign_PID_NO module, analyzes each TS bag PID of TS_Receive module output, completes the PID search of stream, and be each stream in one of each PID distribution short PID Number independently;
Add_head module, the self-defined packet header to 4 bytes of TS bag interpolation of input.
3. a kind of video frequency request program according to claim 2 flows multiplexing system, it is characterized in that, described Assign_PID_NO module is to each the TS bag receiving, whether the stream number that wraps corresponding TS stream according to TS is inquired about the PID that this TS flows current TS bag in corresponding storage space and is existed, if do not exist this PID write to first idle address in the corresponding stored space that becomes a mandarin, and using this free time address as the short PID Number of this PID, and this address space highest order exist_flag is set to effectively; If existing to using finds the low order address of this PID memory space as the short PID Number of this PID.
4. a kind of video frequency request program according to claim 3 flows multiplexing system, it is characterized in that, Assign_PID_NO module is read and write an on-chip memory by Programmable Logic Device and realized the operation to memory space;
Described memory depth is N*M, and wherein N is that system needs total flow amount to be processed, the TS bag PID quantity that M comprises for each TS stream.
5. a kind of video frequency request program according to claim 4 flows multiplexing system, it is characterized in that, described self-defined packet header is four bytes, comprising:
Stream number Channel_number_L and the Channel_number_H at short PID Number:PID_NO, current TS stream place, the max-flow number that its bit wide is supported with system is determined.
6. a kind of video frequency request program according to claim 5 flows multiplexing system, it is characterized in that, described video-on-demand stream multiplexing process module comprises:
IN_MUX module, is multiplexed into a road TS stream by the inlet flow from one or more TS_Receive modules;
DestInfo_Search module, determines each TS bag whereabouts by look-up table, and acquisition board enables Dest_slot, interim PID PID_T, each output board card subchannel enables Dest_channel_Slot[i] or output program number Program_NO;
Table_Filter_Buffer module, judges whether current bag PID needs to be filled into CPU, and if desired in this module, the current bag of buffer memory reads for CPU;
PID_Replace module, judges that whether TS bag whereabouts is unique, and selects different PID generation methods to become corresponding new PID next life with whereabouts uniqueness judged result, replaces original PID;
Stream_Allocation module, enables Dest_slot according to board, determines the output board card that current bag need to output to, and outputs to the corresponding OUT_MUX module of this output board card; Each output board card subchannel obtaining being enabled to Dest_channel_Slot[i simultaneously] information replaces former self-defined packet header content;
Table_TX module, sends to by the PSI/SI table of replacing after PID the OUT_MUX module that this shows corresponding output board card with Fixed Time Interval;
OUT_MUX module, the table that TS stream and the Table_TX module of Stream_Allocation module output are exported carries out after multiplexing outputing to video-on-demand stream sending module.
7. a kind of video frequency request program according to claim 6 flows multiplexing system, it is characterized in that, described look-up table comprises the first look-up table, second look-up table and the 3rd look-up table;
The first look-up table, comprises and represents whether current PID needs to be filled into the sign bit CPU of CPU, and delete flag del;
Second look-up table, this table is divided into P section, and each section comprises stream number and pid value, the output board card of bag enables Dest_slot, interim PID PID_T and each output board card subchannel enables Dest_channel_Slot[i],
Wherein P is the not unique PID number of whereabouts that system is supported;
The 3rd look-up table, comprises that output board card enables Dest_slot, each output board card subchannel enables Dest_channel_Slot[i] and output program number Program_NO.
8. a kind of video frequency request program according to claim 7 flows multiplexing system, it is characterized in that, described DestInfo_Search module judges whether in corresponding the first look-up table of current TS bag, delete flag del is invalid, if invalid, inquire about second look-up table, by logical circuit order, reading first memory space content in each section of memory space compares with stream number and the pid value of current TS bag, if there is matching value, find this TS of the corresponding section acquisition of matching value to wrap corresponding output board card and enable Dest_slot, interim PID PID_T and each output board card subchannel enable Dest_channel_Slot[i],
If delete flag (del) in corresponding the first look-up table of current TS bag for section invalid and that not do not match with stream number and the pid value of current TS bag in second look-up table, inquire about the 3rd look-up table, take stream number as look-up table address, obtain this TS and flow that corresponding output board card enables Dest_slot, each output board card subchannel enables Dest_channel_Slot[i] and output program number Program_NO.
9. a kind of video frequency request program according to claim 8 flows multiplexing system, it is characterized in that, described new PID generation method comprises:
The unique PID of whereabouts: its value is Program_NO*16+PID_Number+256;
The not unique PID of whereabouts: its value is PID_T+4096+256;
Wherein PID_Number is short PID Number.
10. a kind of video frequency request program according to claim 9 flows multiplexing system, it is characterized in that, described video-on-demand stream sending module receives the TS stream from the output of video-on-demand stream Multiplexing module, according to each passage output enable inserting in TS stream, corresponding bag is distributed to each output channel, then the code check arranging by user carries out after rate adjust by corresponding output interface formatted output.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111726680A (en) * | 2020-06-17 | 2020-09-29 | 伟乐视讯科技股份有限公司 | Method and equipment for realizing EIT table multiplexing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1684524A (en) * | 2005-03-16 | 2005-10-19 | 西安电子科技大学 | Multiple channel complex method for MPEG-2 single programme transmission |
| CN101009826A (en) * | 2006-01-25 | 2007-08-01 | 中国长城计算机深圳股份有限公司 | A device of the digital TV terminal for TS stream reuse |
| US20070286243A1 (en) * | 2000-10-11 | 2007-12-13 | Screenpeaks Ltd. | Digital video broadcasting |
| CN101527810A (en) * | 2008-12-31 | 2009-09-09 | 赵照 | MQAM multifunctional transmission system |
| CN101969550A (en) * | 2010-09-03 | 2011-02-09 | 深圳创维数字技术股份有限公司 | IP video stream multiplexing method and system thereof |
-
2013
- 2013-12-17 CN CN201310691850.6A patent/CN103702141B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070286243A1 (en) * | 2000-10-11 | 2007-12-13 | Screenpeaks Ltd. | Digital video broadcasting |
| CN1684524A (en) * | 2005-03-16 | 2005-10-19 | 西安电子科技大学 | Multiple channel complex method for MPEG-2 single programme transmission |
| CN101009826A (en) * | 2006-01-25 | 2007-08-01 | 中国长城计算机深圳股份有限公司 | A device of the digital TV terminal for TS stream reuse |
| CN101527810A (en) * | 2008-12-31 | 2009-09-09 | 赵照 | MQAM multifunctional transmission system |
| CN101969550A (en) * | 2010-09-03 | 2011-02-09 | 深圳创维数字技术股份有限公司 | IP video stream multiplexing method and system thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111726680A (en) * | 2020-06-17 | 2020-09-29 | 伟乐视讯科技股份有限公司 | Method and equipment for realizing EIT table multiplexing |
| CN111726680B (en) * | 2020-06-17 | 2022-06-10 | 伟乐视讯科技股份有限公司 | Method and equipment for realizing EIT table multiplexing |
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