CN103533256A - Method and device for processing subtitle and subtitle display system - Google Patents
Method and device for processing subtitle and subtitle display system Download PDFInfo
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- CN103533256A CN103533256A CN201310518601.7A CN201310518601A CN103533256A CN 103533256 A CN103533256 A CN 103533256A CN 201310518601 A CN201310518601 A CN 201310518601A CN 103533256 A CN103533256 A CN 103533256A
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Abstract
The embodiment of the invention discloses a method and a device for processing subtitle and subtitle display system. The method disclosed by the embodiment of the invention comprises the following steps: a generating unit generates subtitle parameters; the generating unit generates subtitle images corresponding to the subtitle parameters; the generating unit generates subtitle stream in a video format according to the subtitle images; the generating unit combines the video stream and the subtitle stream to generate composite stream to allow a transmitting unit to read the composite stream and to send the stream to a display unit; then, the display unit displays the subtitles corresponding to the subtitle stream. As the generating unit can generate the subtitle parameters according to operation of a user, the display unit can display the subtitle playing effect; furthermore, the playing process is free from relying on a local character repertoire, so that the situation that the subtitle cannot be displayed normally will not happen. The subtitle stream and the video stream belong to the same file, so that the subtitle stream is not easy to lose or manipulate, and the safety of the subtitle stream transfer is improved.
Description
Technical field
The embodiment of the present invention relates to multimedia technology field, and in particular a kind of processing method of captions, installs and caption display system.
Background technology
When user is by computer, when TV and handheld device etc. is watched video, for ease of user, understand clearly the content that video is play, video content need to be shown the mode with captions.
In prior art, the mode of processing caption roughly has three kinds:
The first is, captions are fixed in video pictures, make captions and video pictures synthesize same picture: to adopt this kind of mode can make captions and video have good net synchronization capability, but user is in the process of displaying video, cannot modify to captions, cannot zoom in or out captions, or the operation of change display mode, for user has brought inconvenience.
The second is, form by captions with character is embedded in video flowing: although adopt this kind of method user to modify to captions, but the demonstration of captions need to rely on local character repertoire, once character repertoire lacks, captions just cannot show normally so.
The third is, form by captions with unique file provides to display unit: adopt this kind of method not only to need to rely on local character repertoire, and because the captions that transmit with unique file and video flowing do not belong to same file, be very easy to cause the loss of captions or distort.
Summary of the invention
The embodiment of the present invention provides a kind of processing method of captions, device and caption display system, and its effect that can offer the demonstration of user's multiple caption is selected for user, and is difficult for loss occurring or distorting.
A processing method for captions, wherein, comprising:
Generation unit generates captions parameter;
Described generation unit generates the captions image corresponding with described captions parameter;
Described generation unit is according to the caption stream of described captions image generating video form;
Described generation unit merges generation combined-flow by video flowing and described caption stream, so that transmitting element reads described combined-flow and described combined-flow is sent to display unit, makes described display unit show the captions corresponding with described caption stream.
The processing method of described captions, wherein, described generation unit generates captions parameter and specifically comprises:
Described generation unit receives the caption information of user's input and the time point that captions switch by preset user setup interface;
At least one captions adeditive attribute that the time point that described generation unit switches according to described caption information, described captions and user select generates described captions parameter;
Wherein, described captions adeditive attribute comprises: the wide height of Subtitle Demonstration, the Transparent color of Subtitle Demonstration, the effect of the font of Subtitle Demonstration and Subtitle Demonstration.
The processing method of described captions, wherein, described generation unit also comprises according to after the caption stream of described captions image generating video form:
Described generation unit is set up subtitle list, and described subtitle list be take a plurality of caption stream that numeral generates as generation unit described in index corresponding stored.
A processing method for captions, wherein, comprising:
Display unit receives the combined-flow that transmitting element sends, and described combined-flow is generated by generation unit, and is read by transmitting element; Wherein, described combined-flow comprises the caption stream of video flowing and video format, and described caption stream is generated according to captions image is corresponding by generation unit, and described captions image is generated according to captions parameter by described generation unit;
Described display unit obtains the captions parameter in described caption stream;
Described display unit is according to captions corresponding to described captions parameter display.
The processing method of described captions, wherein, the processing method of described captions also comprises:
Described display unit receives the subtitle list that described transmitting element sends, and described subtitle list be take a plurality of caption stream that numeral generates as generation unit described in index corresponding stored;
The combined-flow that described display unit receives transmitting element transmission specifically comprises:
Described display unit obtains video flowing in combined-flow and caption stream corresponding to Numerical Index selected with user.
The processing method of described captions, wherein, described display unit is according to also comprising after captions corresponding to described captions parameter display:
Described display unit receives the Subtitle Demonstration mode parameter of user's input by preset operation interface;
Described Subtitle Demonstration mode parameter is arranged by User Defined, by being set, described Subtitle Demonstration mode parameter makes when the described display unit display video, realize captions and show in the optional position of video, also can be by described captions rotational display or Zoom display.
The processing method of described captions, wherein, described display unit is according to also comprising before captions corresponding to described captions parameter display:
Described display unit obtains respectively timestamp in described video flowing and the timestamp in described caption stream;
Described display unit is synchronizeed and is play described video flowing and described caption stream according to the corresponding relation of the timestamp in described video flowing and timestamp in caption stream.
, wherein, comprising:
Captions parameter generation module, for generating captions parameter;
Captions image generation module, for generating the captions image corresponding with described captions parameter;
Caption stream generation module, for according to the caption stream of described captions image generating video form;
Combined-flow generation module, for video flowing and described caption stream are merged to generation combined-flow, so that transmitting element reads described combined-flow and described combined-flow is sent to display unit, makes described display unit show the captions corresponding with described caption stream.
, wherein, comprising:
Receiver module, the combined-flow sending for receiving transmitting element, described combined-flow is generated by generation unit, and is read by transmitting element; Wherein, described combined-flow comprises the caption stream of video flowing and video format, and described caption stream is generated according to captions image is corresponding by described generation unit, and described captions image is generated according to captions parameter by described generation unit;
Acquisition module, for obtaining the captions parameter of described caption stream;
Subtitle Demonstration module, for according to captions corresponding to described captions parameter display.
, wherein, comprising:
Generation unit, for generating captions parameter, generates corresponding captions image according to described captions parameter, according to the caption stream of described captions image generating video form, and video flowing and described caption stream is merged to generation combined-flow;
Transmitting element, for reading described combined-flow, and sends to display unit by described combined-flow;
Described display unit, the combined-flow sending for receiving described transmitting element, and obtain the captions parameter in described combined-flow, and according to captions corresponding to described captions parameter display.
As can be seen from the above technical solutions, the generation unit of the embodiment of the present invention is by the corresponding captions image that generates of captions parameter, and by the caption stream of captions image generating video form, generation unit merges generation combined-flow by video flowing and caption stream, transmitting element reads combined-flow, and combined-flow is sent to display unit, so that display unit shows corresponding captions according to caption stream.The beneficial effect that the embodiment of the present invention has is: because generation unit can generate captions parameter according to user's operation, so display unit can show the result of broadcast of captions, and playing process is without relying on local character repertoire, the situation that there will not be captions normally to show; And because transmitting element sends the combined-flow of video flowing and caption stream merging generation to display unit, caption stream and video flowing belong to identical file, and then make caption stream be difficult for occurring lose or distort, promoted the fail safe that captions transmit.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of an embodiment of the processing method of a kind of captions of providing of the embodiment of the present invention;
Fig. 2 is the flow chart of steps of another embodiment of the processing method of a kind of captions of providing of the embodiment of the present invention;
Fig. 3 is the flow chart of steps of another embodiment of the processing method of a kind of captions of providing of the embodiment of the present invention;
Fig. 4 is the flow chart of steps of another embodiment of the processing method of a kind of captions of providing of the embodiment of the present invention;
Fig. 5 is the flow chart of steps of another embodiment of the processing method of a kind of captions of providing of the embodiment of the present invention;
Fig. 6 is the flow chart of steps of another embodiment of the processing method of a kind of captions of providing of the embodiment of the present invention;
Fig. 7 is the flow chart of steps of another embodiment of the processing method of a kind of captions of providing of the embodiment of the present invention;
Fig. 8 is the structural representation of an embodiment of a kind of generation unit of providing of the embodiment of the present invention;
Fig. 9 is the structural representation of another embodiment of a kind of generation unit of providing of the embodiment of the present invention;
Figure 10 is the structural representation of another embodiment of a kind of generation unit of providing of the embodiment of the present invention;
Figure 11 is the structural representation of an embodiment of a kind of display unit of providing of the embodiment of the present invention;
Figure 12 is the structural representation of another embodiment of a kind of display unit of providing of the embodiment of the present invention;
Figure 13 is the structural representation of another embodiment of a kind of display unit of providing of the embodiment of the present invention;
Figure 14 is the structural representation of another embodiment of a kind of display unit of providing of the embodiment of the present invention;
Figure 15 is the structural representation of an embodiment of a kind of caption display system of providing of the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of processing method of captions, by the method, can realize the result of broadcast that shows captions on player.Below in conjunction with Fig. 1, the embodiment of the present invention is elaborated:
101, generation unit generates captions parameter;
Generation unit can be corresponding with captions and Subtitle Demonstration effect according to user's operation generation captions parameter.
102, generation unit generates the captions image corresponding with captions parameter;
Generation unit is played up the captions parameter of its generation the captions image of given pattern, and captions parameter is corresponding with captions image.
103, generation unit is according to the caption stream of captions image generating video form;
Generation unit is encoded to captions image, with the caption stream of generating video form.
The form that is caption stream is video format, and it is identical with the form of video flowing.
104, generation unit merges generation combined-flow by video flowing and caption stream, so that transmitting element reads combined-flow and combined-flow is sent to display unit, makes display unit show the captions corresponding with caption stream.
Generation unit merges video flowing and caption stream, and to generate combined-flow, generation unit compresses the combined-flow of generation.
Generation unit makes transmitting element read this combined-flow, thereby makes transmitting element that the combined-flow after compression is sent to display, and then makes display when playing this video flowing, show the captions corresponding with this video flowing.
In the present embodiment, generation unit can generate captions parameter according to user's operation, according to this captions parameter, generate captions image, and according to the caption stream of this captions image generating video form, transmitting element reads combined-flow, and combined-flow is sent to display unit, and display unit can be shown captions with the result of broadcast corresponding with this caption stream, and playing process is without relying on local character repertoire, the situation that there will not be captions normally to show; And because caption stream and video flowing belong to identical file, and then make caption stream be difficult for occurring lose or distort, promoted the fail safe of captions transmission.
Above embodiment illustrates how the embodiment of the present invention is processed captions, below in conjunction with Fig. 2, illustrates the embodiment of the present invention is how to generate captions parameter:
201, generation unit receives the caption information of user's input and the time point of switching by preset user setup interface;
Be that generation unit has set in advance user setup interface, when user need to arrange the display effect of captions, generation unit calls this user setup interface, makes user pass through the time point that this user setup interface can be inputted caption information and captions switching.
Because caption information is manually input of user, so user can input the language of country variant by this user setup interface, and then make display unit when showing captions, there is no the restriction of language.
202, at least one captions adeditive attribute that the time point that generation unit switches according to caption information, captions and user select generates captions parameter;
This user setup interface also provides the selective listing of a captions adeditive attribute to user, and at least one captions adeditive attribute is provided in this list, and user can select one or more captions adeditive attributes by this list.
Wherein, captions adeditive attribute can comprise: the wide height of Subtitle Demonstration, the Transparent color of Subtitle Demonstration, the effect of the font of Subtitle Demonstration and Subtitle Demonstration.
The font of this Subtitle Demonstration includes but not limited to, Chinese regular script, the Chinese Song typeface, English fluid or the French young etc.
The effect of Subtitle Demonstration includes but not limited to, captions are colored to be shown, captions wave shows, the hollow demonstration of captions or caption animation are dazzled cruel demonstration etc.
203, generation unit generates the captions image corresponding with captions parameter;
204, generation unit is according to the caption stream of captions image generating video form;
Wherein, the step 203 shown in Fig. 2 is identical to the step shown in 103 with the step 102 shown in Fig. 1 to step 204, does not repeat them here.
205, generation unit merges generation combined-flow by video flowing and caption stream, so that transmitting element reads combined-flow and combined-flow is sent to display unit, makes display unit show the captions corresponding with caption stream.
Generation unit compresses the combined-flow of generation, and transmitting element reads the combined-flow after compression, and the combined-flow after compression is sent to display unit, and then makes display unit when playing this video flowing, show the captions corresponding with this video flowing.
Wherein, to caption stream and video flowing, can adopt same compression method to compress, for example, adopt the multimedia compression lattice of standard digital as H.264 compressed.
In the present embodiment, because generation unit can receive the caption information of user's input and the time point that captions switch by preset user setup interface, and user also can be by the selected captions adeditive attribute of this preset user setup interface, generation unit is according to caption information, at least one captions adeditive attribute that the time point that captions switch and user select generates captions parameter, thereby make generation unit generate the caption stream corresponding with captions parameter, transmitting element sends to display unit to carry out Subtitle Demonstration caption stream and the video flowing corresponding with caption stream, by the present embodiment, can realize in several ways captions are shown.
Above embodiment illustrates how the embodiment of the present invention is processed captions, below in conjunction with Fig. 3, illustrates the embodiment of the present invention is how to generate the multiword curtain that can select for user;
301, generation unit generates captions parameter;
The captions parameter that generation unit is corresponding with the display effect of captions and captions according to user's operation generation, can control the various display effects of captions and the captions of generation by this captions parameter.
302, generation unit generates the captions image corresponding with captions parameter;
Generation unit is played up every group of captions parameter respectively the captions image of given pattern, and a captions image of every group of corresponding generation of captions parameter.
303, generation unit is according to the caption stream of captions image generating video form;
Generation unit is encoded to every group of captions image corresponding to captions parameter respectively, and the corresponding caption stream that generates, i.e. a caption stream of every group of corresponding generation of captions parameter.
304, generation unit is set up subtitle list, and subtitle list be take a plurality of caption stream that numeral generates as index corresponding stored generation unit;
Generation unit is set up a subtitle list according to many groups caption stream of its generation, and this subtitle list be take numeral as index, and numeral is corresponding records and store a caption stream with each.
And be not only confined to take numeral as index, all right letter or symbol etc. are index, as long as different caption stream can be made a distinction.
305, generation unit merges generation combined-flow by video flowing and caption stream, so that transmitting element reads combined-flow and combined-flow is sent to display unit, makes display unit show the captions corresponding with caption stream.
Generation unit generates combined-flow by video flowing and a plurality of caption stream corresponding with this subtitle list, in this combined-flow, includes a video flowing, and a plurality of caption stream corresponding with this video flowing.
Generation unit compresses the combined-flow of generation, thereby makes transmitting element read this combined-flow, and combined-flow is sent to display unit, and then display unit is shown through the selected captions of user when playing this video flowing.
In the present embodiment, because generation unit can generate many group captions parameters according to user's operation, and according to a plurality of caption stream of the corresponding generation of many groups captions parameter, generation unit has also been set up subtitle list, subtitle list be take a plurality of caption stream that numeral generates as index corresponding stored generation unit, and generation unit merges generation combined-flow by video flowing and caption stream, in this combined-flow, includes a video flowing, and a plurality of caption stream corresponding with this video flowing.Transmitting element sends to display unit by combined-flow, so that display unit can user selected operation caption playing stream, because the caption stream in the present embodiment and video flowing transmit in a file, so there will not be the situation of losing or distorting, promoted the fail safe of captions transmission.
How above embodiment processes captions from the angle explanation embodiment of the present invention of generation unit, below in conjunction with Fig. 4, from the angle explanation embodiment of the present invention of display unit, how captions is shown:
401, display unit receives the combined-flow that transmitting element sends;
Combined-flow is generated by generation unit, and reads through transmitting element, and transmitting element sends to display unit by the combined-flow after reading.
This combined-flow comprises the caption stream of video flowing and video format, and caption stream generates according to captions image is corresponding by generation unit, and captions image is generated according to captions parameter by generation unit.
402, display unit obtains the captions parameter in caption stream;
Receiver receives after combined-flow, and this combined-flow is resolved to obtain caption stream.
Display unit caption stream is decoded, to obtain the captions parameter in caption stream.
403, the display unit captions corresponding according to captions parameter display.
Display unit gets after captions parameter, according to every setting of captions parameter, shows corresponding captions.
In the present embodiment, display unit can receive the combined-flow that transmitting element generates, and from combined-flow, parse caption stream, further caption stream is decoded, thereby obtain captions parameter, captions corresponding to captions parameter display that display unit obtains according to it, thereby can on display unit, realize the Subtitle Demonstration effect that user sets, its display effect is various, can static state show that also capable of dynamic shows, has promoted user's experience.
Above embodiment has illustrated display unit is how to carry out captions processing, below in conjunction with the embodiment shown in Fig. 5, illustrates display unit is how to realize multiword curtain to process:
501, display unit receives the subtitle list that transmitting element sends;
Subtitle list be take a plurality of caption stream that numeral generates as index corresponding stored generation unit.
Wherein, generation unit is the please embodiment as shown in Figure 3 that how to set up subtitle list, does not repeat them here.
502, display unit obtains video flowing in combined-flow and caption stream corresponding to Numerical Index selected with user;
When display unit receives after subtitle list, the display screen by display unit shows this subtitle list, and because this subtitle list has recorded multiple caption stream, user can be according to own to the selected captions index of the requirement of Subtitle Demonstration effect.
Display unit, according to the selected captions index of user, obtains the caption stream corresponding with this captions index.
This display unit also obtains the video flowing corresponding with this caption stream simultaneously.
503, display unit obtains the captions parameter in caption stream;
Further, captions parameter comprises time point and the captions adeditive attribute that caption information that user inputs and captions switch;
Further, this captions adeditive attribute can comprise: the wide height of Subtitle Demonstration, the Transparent color of Subtitle Demonstration, the effect of the font of Subtitle Demonstration and Subtitle Demonstration.
Display unit can parse the Transparent color of captions from caption stream, and the region that is Transparent color by color when showing captions is shown as transparently, reaches the object of captions and bottom video mixed display.
504, the display unit captions corresponding according to captions parameter display.
Wherein, the step 503 shown in Fig. 5 is identical with step 403 process with the step 402 shown in Fig. 4 with step 504, does not repeat them here.
In the present embodiment, display unit can obtain the subtitle list that transmitting element sends, this subtitle list corresponding stored a plurality of caption stream, user can be according to the selected caption stream of this subtitle list, display unit obtains the captions parameter through the selected caption stream of user, thus captions corresponding to captions parameter display that get according to it; Because display unit can show multiple caption stream, for user, select, so user can be according to different scenes, different customs selects the captions that are applicable to oneself to select, while making user want to change Subtitle Demonstration mode, do not need to regenerate captions, for user has saved the time, brought convenience.
Above embodiment has illustrated display unit is how to carry out captions processing, below in conjunction with the embodiment shown in Fig. 6, illustrate that display unit is when showing captions, is how to realize the concrete display mode that arranges or revise captions:
601, display unit receives the combined-flow that transmitting element sends;
602, display unit obtains the captions parameter in caption stream;
603, the display unit captions corresponding according to captions parameter display;
Wherein, the step 601 shown in Fig. 6 is identical to 403 processes with the step 401 shown in Fig. 4 to step 603, does not repeat them here.
604, display unit receives the Subtitle Demonstration mode parameter of user's input by preset operation interface.
Display unit has set in advance operation interface, and user can arrange or change the display mode of existing captions by this operation interface.
This Subtitle Demonstration mode parameter is arranged by User Defined, the mode that Subtitle Demonstration is set that user can be random.
And then make, when display unit display video, to realize captions and show in the optional position of video, also can be by described captions rotational display or Zoom display.
Particularly, the multiple that user can be random realizes that the top demonstration placed in the middle of captions, captions show on the lower between two parties, captions show between two parties, demonstrations that keep left erect in captions, the demonstration of keeping right erect in captions, the multiple of captions amplification or captions dwindle.
When display screen successfully shows after captions, when user wants to set or changes the concrete display mode of captions, user can call this operation interface, by this operation interface, just can the display mode of captions be arranged or be changed.
In the present embodiment, display unit can receive the combined-flow that generation unit generates, and from combined-flow, parse caption stream, further caption stream is decoded, thereby obtain captions parameter, captions corresponding to captions parameter display that display unit obtains according to it, thereby can on display unit, realize the Subtitle Demonstration effect that user sets, its display effect is various, static state shows that also capable of dynamic shows, and the operation interface that user can provide according to display unit is changed the concrete mode of Subtitle Demonstration, make up Display Technique and cannot on display unit, change the drawback of Subtitle Demonstration mode, promoted user's experience.
Because captions are that the correspondence of video content is described, so display screen when displaying video, need to keep the synchronous of captions and video, below in conjunction with Fig. 7, illustrate the embodiment of the present invention is how to realize captions and audio video synchronization broadcasting:
701, display unit receives the combined-flow that transmitting element sends;
702, display unit obtains the captions parameter in caption stream;
Step 701 shown in Fig. 7 is identical with 402 processes with the step 401 shown in Fig. 4 with step 702, does not repeat them here.
703, display unit obtains respectively timestamp in video flowing and the timestamp in caption stream;
Display unit is decoded to video flowing and caption stream respectively, and obtains respectively timestamp in video flowing and the timestamp in caption stream.
704, display unit is synchronizeed and is play video flowing and caption stream according to the corresponding relation of the timestamp in video flowing and timestamp in caption stream;
Display unit is according to the corresponding relation of the timestamp in video flowing and the timestamp in caption stream, thereby makes video flowing can synchronize and play with caption stream.
705, the display unit captions corresponding according to captions parameter display.
Display unit gets after captions parameter, according to every setting of captions parameter, shows corresponding captions.
In the present embodiment, display unit can receive the combined-flow that generation unit generates, and from combined-flow, parse caption stream, further caption stream is decoded, thereby obtain captions parameter, and display unit is synchronizeed and is play video flowing and caption stream according to the corresponding relation of the timestamp in video flowing and timestamp in caption stream, and then captions corresponding to captions parameter display that obtain according to it of display unit, make the present embodiment when having ensured that video flowing is synchronizeed with caption stream, can on display unit, realize the Subtitle Demonstration effect that user sets, its display effect is various, can static state show that also capable of dynamic shows, promoted user's experience.
For ease of understanding, with a concrete application scenarios, the processing method of the captions of describing in above-described embodiment is elaborated below, concrete:
Generation unit provides user setup interface, and user can be " I like my motherland " by this user setup interface input caption information;
Three groups of captions adeditive attributes have been selected in the captions adeditive attribute selective listing that user provides by generation unit:
First group is: the font of Subtitle Demonstration is that Chinese regular script, Subtitle Demonstration wide is that 800 height are 24, the Transparent color of Subtitle Demonstration is for green and blue;
Second group is: the font of Subtitle Demonstration for Chinese dazzle coloured silk, Subtitle Demonstration be widely that 800 height are 24, the Transparent color of Subtitle Demonstration is for green and blue:
The 3rd group is: the font of Subtitle Demonstration for English dazzle coloured silk, Subtitle Demonstration wide is that 800 height are 24, the Transparent color of Subtitle Demonstration is for green and blue:
Generation unit generates captions parameter by respectively with three groups of captions adeditive attributes of caption information " I like my motherland ", and correspondence has generated three groups of captions parameters;
Generation unit generates respectively the captions image corresponding with captions parameter, and according to the caption stream of captions image generating video form;
Control parameter correspondence and generated three groups of caption stream;
Generation unit is set up subtitle list, and this subtitle list be take numeral as index corresponding stored record caption stream, and caption stream correspondence has been recorded captions adeditive attribute;
The subtitle list in this application scenarios is:
Table 1
Generation unit merges generation combined-flow by these three groups of caption stream and the video flowing corresponding with these three groups of caption stream; Wherein, in this combined-flow, include a video flowing and three groups of caption stream;
Transmitting element reads the combined-flow that generation unit generates;
Transmitting element sends to display unit by this combined-flow;
Display unit receives this combined-flow and this subtitle list;
Display unit shows this subtitle list by its display screen, and user can select according to the needs of self, and in this application scene, user has selected the caption stream that index is 2;
The caption stream that display unit is 2 to video flowing and index is decoded;
Display unit obtains respectively timestamp in video flowing and the timestamp in caption stream, by the timestamp in video flowing and the timestamp in caption stream, can make video flowing and caption stream synchronously play;
The captions that display unit is corresponding according to captions parameter display.The display screen that is display unit shows " I like my motherland ", and " I like my motherland " be take font as Chinese dazzle coloured silk, wide as 800 height as 24, Transparent color shows as green and blue form;
Display unit also can provide operation interface to user, and user can set the concrete mode of Subtitle Demonstration by this operation interface;
The display mode that User Defined arranges captions in this application scene is for showing between two parties on the lower;
" I like my motherland " on display screen just shows between two parties on the lower on display screen;
User also can carry out the amplifieroperation of Subtitle Demonstration by this operation interface, in this application scene, it is 2 that user inputs multiplication factor by operation interface, and " I like my motherland " just amplifies twice and show in middle position on the lower at display screen.
Above embodiment is the description that the processing method of captions is carried out, and the structure of a kind of generation unit embodiment of the present invention being provided below in conjunction with Fig. 8 elaborates:
This generation unit specifically comprises:
Captions parameter generation module 801, for generating captions parameter;
Captions image generation module 802, for generating the captions image corresponding with captions parameter;
Caption stream generation module 803, for according to the caption stream of captions image generating video form;
Combined-flow generation module 804, for video flowing and caption stream are merged to generation combined-flow, so that transmitting element reads combined-flow and combined-flow is sent to display unit, makes display unit show the captions corresponding with caption stream.
In the present embodiment, because captions parameter generation module 801 can generate captions parameter according to user's operation, captions image generation module 802 generates the captions image corresponding with captions parameter, caption stream generation module 803 is according to the caption stream of captions image generating video form, combined-flow generation module 804 merges generation combined-flow by video flowing and caption stream, so that transmitting element reads combined-flow and combined-flow is sent to display unit, make display unit show the captions corresponding with caption stream, and playing process is without relying on local character repertoire, the situation that there will not be captions normally to show, and because caption stream and video flowing belong to identical file, and then make caption stream be difficult for occurring lose or distort, promoted the fail safe of captions transmission.
Below in conjunction with the embodiment shown in Fig. 9, the structure of captions parameter generation module is elaborated:
This generation unit specifically comprises:
Captions parameter generation module 901, for generating captions parameter;
Captions image generation module 902, for generating the captions image corresponding with captions parameter;
Caption stream generation module 903, for according to the caption stream of captions image generating video form;
Combined-flow generation module 904, for video flowing and caption stream are merged to generation combined-flow, so that transmitting element reads combined-flow and combined-flow is sent to display unit, makes display unit show the captions corresponding with caption stream;
And captions parameter generation module 901 specifically comprises:
Information receives submodule 9011, for the user setup interface by preset, receives the caption information of user's input and the time point that captions switch;
Captions parameter generates submodule 9012, and at least one captions adeditive attribute of selecting for the time point that switches according to caption information, captions and user generates captions parameter.
In the present embodiment, because receiving submodule 9011, information can receive the caption information of user's input and the time point that captions switch by preset user setup interface, and user also can be by the selected captions adeditive attribute of this preset user setup interface, captions parameter generates submodule 9012 according to caption information, at least one captions adeditive attribute that the time point that captions switch and user select generates captions parameter, thereby make generation unit generate the caption stream corresponding with captions parameter, combined-flow generation module 904 sends to display unit to carry out Subtitle Demonstration caption stream and the video flowing corresponding with caption stream, by the present embodiment, can realize in several ways captions are shown.
Below in conjunction with the embodiment shown in Figure 10, to generation unit, be that structure how to set up subtitle list elaborates;
Captions parameter generation module 1001, for generating captions parameter;
Captions image generation module 1002, for generating the captions image corresponding with captions parameter;
Caption stream generation module 1003, for according to the caption stream of captions image generating video form;
Subtitle list is set up module 1004, and for setting up subtitle list, subtitle list be take numeral as a plurality of caption stream of index corresponding stored;
Combined-flow generation module 1005, for video flowing and caption stream are merged to generation combined-flow, so that transmitting element reads combined-flow and combined-flow is sent to display unit, makes display unit show the captions corresponding with caption stream.
In the present embodiment, because captions parameter generation module 1001 can generate many group captions parameters according to user's operation, caption stream generation module 1003 is according to a plurality of caption stream of the corresponding generation of many group captions parameters, subtitle list is set up module 1004 and is also set up and have subtitle list, subtitle list be take numeral as a plurality of caption stream of index corresponding stored, and combined-flow generation module 1005 merges generation combined-flow by video flowing and caption stream, in this combined-flow, include a video flowing, with a plurality of caption stream corresponding with this video flowing, so that display unit can user selected operation caption playing stream, because the caption stream in the present embodiment and video flowing transmit in a file, so there will not be the situation of losing or distorting, promoted the fail safe of captions transmission.
Above embodiment is the explanation that the structure of generation unit is carried out, and the structure of the display unit embodiment of the present invention being provided below in conjunction with Figure 11 elaborates:
This display unit specifically comprises:
In the present embodiment, receiver module 1101 can receive the combined-flow that generation unit generates, and from combined-flow, parse caption stream, acquisition module 1102 is further decoded to caption stream, thereby obtains captions parameter, captions corresponding to captions parameter display that Subtitle Demonstration module 1103 is obtained according to it, thereby can on display unit, realize the Subtitle Demonstration effect that user sets, its display effect is various, can static state show that also capable of dynamic shows, has promoted user's experience.
Below in conjunction with Figure 12, to the embodiment of the present invention, be that the structure that how to realize the display unit of multiword curtain processing elaborates:
This display unit specifically comprises:
Wherein, this receiver module 1201 specifically comprises:
Subtitle list receives submodule 12011, the subtitle list sending for receiving transmitting element;
Wherein, this subtitle list be take a plurality of caption stream that numeral generates as index corresponding stored generation unit.
Caption stream receives submodule 12012, for obtaining the video flowing of combined-flow and caption stream corresponding to Numerical Index selected with user.
In the present embodiment, the subtitle list of display unit receives submodule 12011 can obtain the subtitle list that transmitting element sends, this subtitle list corresponding stored a plurality of caption stream, caption stream receives submodule 12012 for obtaining caption stream; Acquisition module 1202 obtains the captions parameter through the selected caption stream of user, captions corresponding to captions parameter display that Subtitle Demonstration module 1203 gets according to it; Because display unit can show multiple caption stream, for user, select, so user can be according to different scenes, different customs selects the captions that are applicable to oneself to select, while making user want to change Subtitle Demonstration mode, do not need to regenerate captions, for user has saved the time, brought convenience.
Below in conjunction with Figure 13, to the embodiment of the present invention, be that the structure that how to realize the display unit of setting or modification captions elaborates:
Receiver module 1301, the combined-flow sending for receiving transmitting element, combined-flow is generated by generation unit, and is read by transmitting element; Wherein, combined-flow comprises the caption stream of video flowing and video format, and caption stream is generated according to captions image is corresponding by generation unit, and captions image is generated according to captions parameter by generation unit;
Acquisition module 1302, for obtaining the captions parameter of caption stream;
Subtitle Demonstration module 1303, for the captions corresponding according to captions parameter display;
Operation interface display module 1304, receives for the operation interface by preset the Subtitle Demonstration mode parameter that user inputs.
Wherein, operation interface display module 1304 has set in advance operation interface, and user can arrange or change the display mode of existing captions by this operation interface.
User can select Subtitle Demonstration mode parameter according to this operation interface and include but not limited to: the multiple that the multiple that the top demonstration placed in the middle of captions, captions show on the lower between two parties, captions show between two parties, the demonstration that keeps left erect in captions, the demonstration of keeping right erect in captions, captions amplify or captions dwindle.
Certainly, operation interface also can provide a self-defined option to select for user, user carries out the self-defined setting of Subtitle Demonstration mode parameter by this self-defined option, by being set, Subtitle Demonstration mode parameter makes when the display unit display video, realize captions and show in the optional position of video, also can be by captions rotational display or Zoom display.
When display screen successfully shows after captions, when user wants to set or changes the concrete display mode of captions, user can call this operation interface, by this operation interface, just can the display mode of captions be arranged or be changed.
In the present embodiment, the receiver module 1301 of display unit can receive the combined-flow that transmitting element generates, and from combined-flow, parse caption stream, further caption stream is decoded, acquisition module 1302 obtains captions parameter, captions corresponding to captions parameter display that the Subtitle Demonstration module 1303 of display unit is obtained according to it, operation interface display module 1304 can be realized the Subtitle Demonstration effect that user sets on display unit, its display effect is various, static state shows that also capable of dynamic shows, and the operation interface that user can provide according to display unit is changed the concrete mode of Subtitle Demonstration, make up Display Technique and cannot on display unit, change the drawback of Subtitle Demonstration mode, promoted user's experience.
Below in conjunction with Figure 14, to the embodiment of the present invention, be that the structure that how to realize the display unit of captions and audio video synchronization broadcasting elaborates;
Receiver module 1401, the combined-flow sending for receiving transmitting element, combined-flow is generated by generation unit, and is read by transmitting element; Wherein, combined-flow comprises the caption stream of video flowing and video format, and caption stream is generated according to captions image is corresponding by generation unit, and captions image is generated according to captions parameter by generation unit;
Acquisition module 1402, for obtaining the captions parameter of caption stream;
Subtitle Demonstration module 1403, for the captions corresponding according to captions parameter display;
Timestamp acquisition module 1404, for obtaining respectively the timestamp of video flowing and the timestamp in caption stream;
Synchronous playing module 1405, for synchronizeing and play video flowing and caption stream according to the corresponding relation of the timestamp of video flowing and timestamp in caption stream.
In the present embodiment, the receiver module 1401 of display unit can receive the combined-flow that transmitting element generates, and from combined-flow, parse caption stream, further caption stream is decoded, acquisition module 1402 obtains captions parameter, and the timestamp acquisition module 1404 of display unit obtains respectively timestamp in video flowing and the timestamp in caption stream; Synchronous playing module 1405 is synchronizeed and is play video flowing and caption stream according to the corresponding relation of the timestamp in video flowing and timestamp in caption stream, and then captions corresponding to captions parameter display that obtain according to it of the Subtitle Demonstration module 1403 of display unit, make the present embodiment when having ensured that video flowing is synchronizeed with caption stream, can on display unit, realize the Subtitle Demonstration effect that user sets, its display effect is various, can static state show that also capable of dynamic shows, promote user's experience.
For ease of understanding, with a concrete application scenarios, the processing unit of the captions of describing in above-described embodiment is elaborated below, concrete:
The information of generation unit receives submodule 9011 user setup interface is provided, and user can be " I like my motherland " by this user setup interface input caption information;
Three groups of captions adeditive attributes have been selected in the captions adeditive attribute selective listing that the captions parameter of user by generation unit generates submodule 9012 to be provided:
First group is: the font of Subtitle Demonstration is that Chinese regular script, Subtitle Demonstration wide is that 800 height are 24, the Transparent color of Subtitle Demonstration is for green and blue;
Second group is: the font of Subtitle Demonstration for Chinese dazzle coloured silk, Subtitle Demonstration be widely that 800 height are 24, the Transparent color of Subtitle Demonstration is for green and blue:
The 3rd group is: the font of Subtitle Demonstration for English dazzle coloured silk, Subtitle Demonstration wide is that 800 height are 24, the Transparent color of Subtitle Demonstration is for green and blue:
The captions parameter generation module 901 of generation unit generates captions parameter by respectively with three groups of captions adeditive attributes of caption information " I like my motherland ", and correspondence has generated three groups of captions parameters;
The captions image generation module 902 of generation unit generates respectively the captions image corresponding with captions parameter, caption stream generation module 903 according to the caption stream of captions image generating video form;
Control parameter correspondence and generated three groups of caption stream;
The subtitle list of generation unit is set up module 1004 and is set up subtitle list, and this subtitle list be take numeral as index corresponding stored record caption stream, and caption stream correspondence has been recorded captions adeditive attribute;
The subtitle list in this application scenarios is:
Table 2
The caption stream generation module 1003 of generation unit merges generation combined-flow by these three groups of caption stream and the video flowing corresponding with these three groups of caption stream; Wherein, in this combined-flow, include a video flowing and three groups of caption stream;
Transmitting element reads the combined-flow that generation unit generates;
Transmitting element sends to display unit by this combined-flow;
The subtitle list of display unit receives submodule 12011 and receives this subtitle list, and caption stream receives submodule 12012 and receives this combined-flow;
Display unit shows this subtitle list by its display screen, and user can select according to the needs of self, and in this application scene, user has selected the caption stream that index is 2;
1201 pairs of video flowings of receiver module of display unit and the caption stream that index is 2 are decoded;
The timestamp acquisition module 1404 of display unit obtains respectively timestamp in video flowing and the timestamp in caption stream, and synchronous playing module 1405 can make video flowing and caption stream synchronously play by the timestamp in video flowing and the timestamp in caption stream;
Subtitle Demonstration module 1403 captions corresponding according to captions parameter display of display unit.The display screen that is display unit shows " I like my motherland ", and " I like my motherland " be take font as Chinese dazzle coloured silk, wide as 800 height as 24, Transparent color shows as green and blue form;
The operation interface display module 1304 of display unit also can provide operation interface to user, and user can select the concrete mode of Subtitle Demonstration by this operation interface;
The display mode that User Defined arranges captions in this application scene is for showing between two parties on the lower;
" I like my motherland " on display screen just shows between two parties on the lower on display screen;
User also can carry out the amplifieroperation of Subtitle Demonstration by this operation interface, in this application scene, it is 2 that user inputs multiplication factor by operation interface, and " I like my motherland " just amplifies twice and show in middle position on the lower at display screen.
The structural representation of a kind of caption display system that the embodiment of the present invention provides is described below in conjunction with Figure 15;
This caption display system specifically comprises:
Transmitting element 1502, for reading combined-flow, and sends to display unit by combined-flow;
In the present embodiment, generation unit 1501 can generate captions parameter according to user's operation, according to this captions parameter, generate captions image, and according to the caption stream of this captions image generating video form, transmitting element 1502 reads combined-flow, and combined-flow is sent to display unit, and display unit 1503 can be shown captions with the result of broadcast corresponding with this caption stream, and playing process is without relying on local character repertoire, the situation that there will not be captions normally to show; And because caption stream and video flowing belong to identical file, and then make caption stream be difficult for occurring lose or distort, promoted the fail safe of captions transmission.
Those skilled in the art can be well understood to, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and also can adopt the form of SFU software functional unit to realize.
If the form of SFU software functional unit of usining described integrated unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the all or part of of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
The above, above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a processing method for captions, is characterized in that, comprising:
Generation unit generates captions parameter;
Described generation unit generates the captions image corresponding with described captions parameter;
Described generation unit is according to the caption stream of described captions image generating video form;
Described generation unit merges generation combined-flow by video flowing and described caption stream, so that transmitting element reads described combined-flow and described combined-flow is sent to display unit, makes described display unit show the captions corresponding with described caption stream.
2. the processing method of captions according to claim 1, is characterized in that, described generation unit generates captions parameter and specifically comprises:
Described generation unit receives the caption information of user's input and the time point that captions switch by preset user setup interface;
At least one captions adeditive attribute that the time point that described generation unit switches according to described caption information, described captions and user select generates described captions parameter;
Wherein, described captions adeditive attribute comprises: the wide height of Subtitle Demonstration, the Transparent color of Subtitle Demonstration, the effect of the font of Subtitle Demonstration and Subtitle Demonstration.
3. the processing method of captions according to claim 1, is characterized in that, described generation unit also comprises according to after the caption stream of described captions image generating video form:
Described generation unit is set up subtitle list, and described subtitle list be take a plurality of caption stream that numeral generates as generation unit described in index corresponding stored.
4. a processing method for captions, is characterized in that, comprising:
Display unit receives the combined-flow that transmitting element sends, and described combined-flow is generated by generation unit, and is read by transmitting element; Wherein, described combined-flow comprises the caption stream of video flowing and video format, and described caption stream is generated according to captions image is corresponding by generation unit, and described captions image is generated according to captions parameter by described generation unit;
Described display unit obtains the captions parameter in described caption stream;
Described display unit is according to captions corresponding to described captions parameter display.
5. the processing method of captions according to claim 4, is characterized in that, the processing method of described captions also comprises:
Described display unit receives the subtitle list that described transmitting element sends, and described subtitle list be take a plurality of caption stream that numeral generates as generation unit described in index corresponding stored;
The combined-flow that described display unit receives transmitting element transmission specifically comprises:
Described display unit obtains video flowing in combined-flow and caption stream corresponding to Numerical Index selected with user.
6. the processing method of captions according to claim 4, is characterized in that, described display unit is according to also comprising after captions corresponding to described captions parameter display:
Described display unit receives the Subtitle Demonstration mode parameter of user's input by preset operation interface;
Described Subtitle Demonstration mode parameter is arranged by User Defined, by being set, described Subtitle Demonstration mode parameter makes when the described display unit display video, realize captions and show in the optional position of video, also can be by described captions rotational display or Zoom display.
7. the processing method of captions according to claim 4, is characterized in that, described display unit is according to also comprising before captions corresponding to described captions parameter display:
Described display unit obtains respectively timestamp in described video flowing and the timestamp in described caption stream;
Described display unit is synchronizeed and is play described video flowing and described caption stream according to the corresponding relation of the timestamp in described video flowing and timestamp in caption stream.
8. a generation unit, is characterized in that, comprising:
Captions parameter generation module, for generating captions parameter;
Captions image generation module, for generating the captions image corresponding with described captions parameter;
Caption stream generation module, for according to the caption stream of described captions image generating video form;
Combined-flow generation module, for video flowing and described caption stream are merged to generation combined-flow, so that transmitting element reads described combined-flow and described combined-flow is sent to display unit, makes described display unit show the captions corresponding with described caption stream.
9. a display unit, is characterized in that, comprising:
Receiver module, the combined-flow sending for receiving transmitting element, described combined-flow is generated by generation unit, and is read by transmitting element; Wherein, described combined-flow comprises the caption stream of video flowing and video format, and described caption stream is generated according to captions image is corresponding by described generation unit, and described captions image is generated according to captions parameter by described generation unit;
Acquisition module, for obtaining the captions parameter of described caption stream;
Subtitle Demonstration module, for according to captions corresponding to described captions parameter display.
10. a caption display system, is characterized in that, comprising:
Generation unit, for generating captions parameter, generates corresponding captions image according to described captions parameter, according to the caption stream of described captions image generating video form, and video flowing and described caption stream is merged to generation combined-flow;
Transmitting element, for reading described combined-flow, and sends to display unit by described combined-flow;
Described display unit, the combined-flow sending for receiving described transmitting element, and obtain the captions parameter in described combined-flow, and according to captions corresponding to described captions parameter display.
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