CN101841681A - Method and device for recording mobile multimedia broadcast program - Google Patents
Method and device for recording mobile multimedia broadcast program Download PDFInfo
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- CN101841681A CN101841681A CN200910128692A CN200910128692A CN101841681A CN 101841681 A CN101841681 A CN 101841681A CN 200910128692 A CN200910128692 A CN 200910128692A CN 200910128692 A CN200910128692 A CN 200910128692A CN 101841681 A CN101841681 A CN 101841681A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
- H04L67/5683—Storage of data provided by user terminals, i.e. reverse caching
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Abstract
The invention discloses a method for recording a mobile multimedia broadcast program. The method comprises the following steps of: prerecording and storing the prerecorded content after a mobile terminal begins to play the mobile multimedia broadcast program; storing the recorded content by the mobile terminal if a user selects to record the program during playing; and finishing the recording to obtain a recording file comprising the prerecorded content and the recorded content. The invention also discloses a device for prerecording the mobile multimedia broadcast program. The method for prerecording is introduced and the problem that when selecting to record, the user leaves out the recording content before selection is solved; and the final recorded recording file comprises one segment before the user presses the recording key, so that the relative integrality of the recorded program is ensured.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method for recording and device of mobile multi-media broadcast program.
Background technology
Along with the development of mechanics of communication and broadcast television technique, watch that by portable terminals such as mobile phones broadcast TV program has become a kind of reality, the user also can carry out recording of program when listening to program watching.
General method for recording all is that the user sees pressing behind the programme content of liking and records button or button, just begins to carry out recording of program.The shortcoming of this method for recording is, because the hysteresis quality on people's consciousness for want program recording, recognized often and just gone to take action, and at this moment, the exciting part that record is all or part of to be missed, the part of can't completion leaking.
Summary of the invention
The technical problem to be solved in the present invention is exactly method for recording and the device that proposes a kind of mobile multi-media broadcast program, solves the user who occurs in the prior art and is selecting to have omitted the preceding recorded content problem of selecting when recording.
In order to solve the problems of the technologies described above, the invention provides a kind of method for recording of mobile multi-media broadcast program, comprising:
Portable terminal begins after the playing mobile multimedia broadcast program, carries out prerecording and preserves prerecorded content;
If the user selects to record described program, portable terminal is preserved recorded content in playing process;
After recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
Further, above-mentioned method for recording also can have following characteristics:
Described portable terminal begins to preserve prerecorded content and carries out timing in the beginning prerecording, a duration user that pre-records who sets in advance is also non-selected to record described program if timing time reaches, then the prerecorded content of Bao Cuning be the current time before duration be the content of duration of pre-recording.
Further, above-mentioned method for recording also can have following characteristics:
If the user was provided with the duration of pre-recording before playing mobile multimedia broadcast program, the duration of pre-recording that the then described duration of pre-recording that sets in advance is provided with for the user; Otherwise the described duration of pre-recording that sets in advance is an acquiescence duration of pre-recording.
Further, above-mentioned method for recording also can have following characteristics:
Portable terminal is kept at described prerecorded content in the buffer storage when prerecording;
Record described program when user's selection, portable terminal is created recorded file on nonvolatile memory, described prerecorded content is stored in the recorded file, and continues the storage recorded content after described prerecorded content; After recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
Further, above-mentioned method for recording also can have following characteristics:
Portable terminal is kept at described prerecorded content in the nonvolatile memory with document form when prerecording;
When the user selects to record described program, portable terminal as recorded file, and continues to store recorded content with the prerecorded content of described document form described prerecorded content after; After recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
Further, above-mentioned method for recording also can have following characteristics:
Portable terminal is kept at described prerecorded content in the nonvolatile memory with document form when prerecording;
Record described program when user's selection, portable terminal is created new file and is preserved recorded content; After recording end, described prerecorded content and recorded content are synthesized a recorded file that comprises prerecorded content and recorded content.
Further, above-mentioned method for recording also can have following characteristics:
If the user does not select to record described program all the time in playing process, described portable terminal abandons described prerecorded content after playing end.
In order to solve the problems of the technologies described above, the invention provides a kind of record device of mobile multi-media broadcast program, be applied in the portable terminal, comprise playing module, record module, control module, memory module, also comprise the module of pre-recording,
The described module of pre-recording is used for the control according to control module, begins to carry out prerecording when playing module begins playing mobile multimedia broadcast program, and prerecorded content is saved in the memory module;
The described module of recording is used for control according to control module, when the user selects to record described program, recorded content is saved in the memory module; And, prerecorded content and recorded content are handled, after recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
Further, above-mentioned record device also can have following characteristics:
Described memory module comprises buffer storage and nonvolatile memory;
The described module of pre-recording is used for prerecorded content is saved in buffer storage;
The described module of recording is used for when the user selects to record described program, on nonvolatile memory, create recorded file, with described prerecorded content from the buffering memory stores to recorded file, and recorded content is stored in continuation after described prerecorded content, up to recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
Further, above-mentioned record device also can have following characteristics:
Described memory module comprises nonvolatile memory;
The described module of pre-recording is used for prerecorded content is saved in nonvolatile memory with document form;
The described module of recording is used for when the user selects to record described program, with the prerecorded content of described document form as recorded file, and after described prerecorded content, continue the storage recorded content, up to recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
Further, above-mentioned record device also can have following characteristics:
Described memory module comprises nonvolatile memory;
The described module of pre-recording is used for prerecorded content is saved in nonvolatile memory with document form;
The described module of recording is used for when the user selects to record described program, creates new file and preserves recorded content; The described module of recording also is used for after recording end described prerecorded content and recorded content being synthesized a recorded file that comprises prerecorded content and recorded content.
Compared with prior art, the present invention has introduced the method for prerecording in advance, has solved the user in the recorded content problem of selecting to have omitted when recording before selecting.The present invention has simultaneously kept original broadcast, recorded, control module, increases the module of pre-recording on its basis, and has improved and recorded module, has kept the modularization of original structure to greatest extent, and is easy to implement.The present invention can be applicable to occasion and the device that various needs are recorded, and has extensive use.
Description of drawings
Fig. 1 is the method flow diagram of the embodiment of the invention;
Fig. 2 be pre-record buffer area less than the operating position schematic diagram;
Fig. 3 is the full operating position schematic diagram of buffer area of pre-recording;
Fig. 4 is the schematic diagram that prerecording adopts file mode;
Fig. 5 is the device schematic diagram of the embodiment of the invention;
Fig. 6 is the hardware block diagram of the embodiment of the invention.
Embodiment
In the present invention, content was carried out prerecording before the user begun to record, thereby solve to omit the problem of recording.
Specifically, portable terminal begins after the playing mobile multimedia broadcast program, carries out prerecording and preserves prerecorded content; If the user selects to record described program, portable terminal is preserved recorded content in playing process; After recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
In order to save finite storage space, described portable terminal can use a duration of pre-recording that the sets in advance control of pre-recording: described portable terminal begins to preserve prerecorded content and carries out timing in the beginning prerecording, a duration user that pre-records who sets in advance is also non-selected to record described program if timing time reaches, then the prerecorded content of Bao Cuning is that duration is the content of duration of pre-recording before the current time, abandons the content before the duration of pre-recording.That is to say,, adopt the mode that covers, cover the earliest content with fresh content when reaching when pre-recording size.
The described duration of pre-recording that sets in advance can be an acquiescence duration of pre-recording, and also can be the duration of pre-recording that the user was provided with before playing mobile multimedia broadcast program.
Prerecording can adopt dual mode:
1, buffer memory (buffer) mode: portable terminal is kept at described prerecorded content in the buffer storage when prerecording;
2, file mode: portable terminal is kept at described prerecorded content in the nonvolatile memory with document form when prerecording.
Lack (in 5 seconds), the less content of content for the duration of pre-recording, can adopt cache way; And grow (as more than or equal to 5 seconds), content that content is bigger for the duration of pre-recording, can adopt file mode.
Adopt file mode to pre-record, can solve the problem of embedded system portable terminal low memory.
When adopting cache way to carry out prerecording, if the user selects to record current program, portable terminal is created recorded file on nonvolatile memory, described prerecorded content is stored in the recorded file, and continues the storage recorded content after described prerecorded content; After recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
When adopting file mode to carry out prerecording, if the user selects to record current program, portable terminal can adopt the mode of appending or synthesizing to obtain recorded file, that is:
When the user selects to record current program, portable terminal as recorded file, and continues to store recorded content with the prerecorded content of described document form described prerecorded content after; After recording end, obtain comprising the recorded file of described prerecorded content and recorded content;
Perhaps, record described program when user's selection, portable terminal is created new file and is preserved recorded content; After recording end, described prerecorded content and recorded content are synthesized a recorded file that comprises prerecorded content and recorded content.
Described nonvolatile memory refers to storage systems such as FLASH or SD card.
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
As shown in Figure 1, the method for the embodiment of the invention comprises the steps:
This step is an optional step, if the duration of pre-recording is not set, then uses an acquiescence to pre-record duration as pre-recording duration in follow-up step;
In this step, if prerecording adopts cache way, then portable terminal distributes the buffer area of pre-recording according to the duration of pre-recording in buffer storage (internal memory), and the video data (being prerecorded content) of pre-recording is stored in the buffer area of pre-recording, and correspondence reaches the time of pre-recording when full when writing;
If prerecording adopts file mode, then portable terminal is created a file at nonvolatile memory (FLASH, SD card etc.), such as being called AF, the video data of pre-recording is stored in this AF file;
Specifically, adopt cache way at prerecording, if pre-record buffer area less than, its operating position will be as shown in Figure 2.New Frame leaves in after the physical address that former frame takies linearly successively.Buffer area is full if pre-record, and then nearest frame is put into the begin block (piece 1) of the buffer area of pre-recording, and frame point points to this piece recently, and correspondingly a frame the earliest is capped, and its pointer moves backward.Operating position when the buffer area of pre-recording is full as shown in Figure 3.
Adopt file mode at prerecording, if do not reach the time of pre-recording, new Frame is write in the AF file in order.If reach the time of pre-recording, then frame data cover original data recently, store again from file header, and write down current position of writing.The operating position that reaches the time of pre-recording as shown in Figure 4.
Step 106 before play finishing, is recorded described program if the user is still non-selected, turns to step 108, otherwise turns to step 107;
Step 107 when the user selects to record described program, begins to record, and preserves recorded content, up to recording end, process ends;
Adopt cache way at prerecording, portable terminal is created recorded file on nonvolatile memory, and the content in the buffer area of pre-recording is stored in the recorded file according to the order from frame the earliest to nearest frame.Frame and nearest two pointers of frame are reset the earliest, point to first piece of buffer area of pre-recording, thereby the buffer area of pre-recording are cleared; After this recorded content of buffer memory no longer is kept at the buffer area of pre-recording that recycles, but directly is saved in the recorded file; Like this, record end after, obtain comprising the recorded file of described prerecorded content and recorded content.
Adopt file mode at prerecording, recording of step 107 can have two kinds of implementations:
Append mode, portable terminal as recorded file, and continues the storage recorded content with described AF file after described prerecorded content; After recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
Synthesis mode, portable terminal is created new file at nonvolatile memory, such as, be called BF, preserve recorded video data (being recorded content); After recording end, before file BF, insert the content of file AF, synthetic last recorded file according to the time sequencing of recording.
Step 108 abandons prerecorded content; Finish
The record device of the mobile multi-media broadcast program of the embodiment of the invention is arranged in portable terminal as shown in Figure 5, comprising: playing module, record module, control module, the module of pre-recording and memory module,
Wherein, playing module, to record module, control module and memory module be the original module of Mobile Multimedia Broadcasting in the portable terminal, and the module of pre-recording is newly-increased module,
Playing module is used for the playing mobile multimedia broadcast program content;
Control module is used to control the broadcast of mobile multi-media broadcast program content and record, and comprises playing beginning, playing and finish, play and suspend, record beginning, record and stop, recording time-out etc.; Also promptly to playing module, the control of recording module, and to the control of the newly-increased module of pre-recording;
Memory module comprises buffer storage and nonvolatile memory, is used to store video datas such as the prerecorded content that receives, recorded content;
The module of pre-recording is used for the control according to control module, begins to carry out prerecording when playing module begins playing mobile multimedia broadcast program, and prerecorded content is saved in the memory module;
The described module of recording is used for control according to control module, when the user selects to record described program, recorded content is saved in the memory module; And, prerecorded content and recorded content are handled, after recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
Specifically, when prerecording adopted cache way, the described module of pre-recording was used for the control according to control module, begins to carry out prerecording when playing module begins playing mobile multimedia broadcast program, and prerecorded content is saved in the buffer storage; The described module of recording is used for control according to control module, when the user selects to record described program, on nonvolatile memory, create recorded file, with described prerecorded content from the buffering memory stores to recorded file, and recorded content is stored in continuation after described prerecorded content, up to recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
When prerecording adopts file mode, and record and adopt when appending mode, the described module of pre-recording is used for the control according to control module, begins to carry out prerecording when playing module begins playing mobile multimedia broadcast program, and prerecorded content is saved in the nonvolatile memory with document form; The described module of recording is used for control according to control module, when the user selects to record described program, with the prerecorded content of described document form as recorded file, and recorded content is stored in continuation after described prerecorded content, up to recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
When prerecording adopts file mode, and record when adopting synthesis mode, the described module of pre-recording is used for the control according to control module, begins to carry out prerecording when playing module begins playing mobile multimedia broadcast program, and prerecorded content is kept in the nonvolatile memory with document form; The described module of recording is used for control according to control module, when the user selects to record described program, creates new file and preserves recorded content; The described module of recording also is used for after recording end described prerecorded content and recorded content being synthesized a recorded file that comprises prerecorded content and recorded content.
In addition, the module of pre-recording also is used for the control according to control module, in the beginning prerecording, begin to preserve prerecorded content and carry out timing, if timing time reaches also non-selected the recording of the duration user that pre-records that sets in advance, the prerecorded content that the module of then pre-recording is preserved be the current time before duration be the content of duration of pre-recording.
The module of pre-recording also is used to receive the duration of pre-recording that the user is provided with as the duration of pre-recording that sets in advance, and, if the user was not provided with the duration of pre-recording before playing mobile multimedia broadcast program, then an acquiescence is pre-recorded duration as the duration of pre-recording that sets in advance.
If the user does not select to record described program all the time in playing process, the module of pre-recording also is used for abandoning described prerecorded content after playing end.
As shown in Figure 6, be the portable terminal hardware module block diagram of television receiving function.Mainly comprise following module: digital baseband processor (DBB), analogue baseband processors (ABB), passage switch and modulus/D/A converting circuit (Codec), multimedia coprocessor (MAP), television reception chip, radio-frequency module and memory.DBB is the core controller of whole portable terminal, and most code is all carried out therein, and other module is operation under its coordination control all.ABB is responsible for the processing of analog signal, and for example analog voice signal is encoded to the PCM sign indicating number and sends to DBB, perhaps accepts the PCM sign indicating number from DBB and is converted to analog signal.Codec is responsible for the digital-to-analogue conversion of some multimedia related services, is converted to analog signal such as the digital audio-frequency data that MAP is sent and delivers to loud speaker.The television reception chip is responsible for receiving the decode of TV signal.MAP is responsible for multi-media decoding and encoding (not comprising the decoding of TV signal at this), for example can realize the mp3 encoding and decoding, the mpeg coding and decoding video.
Corresponding to Fig. 6 hardware module, the playing module of Fig. 5 can use DBB, ABB, Codec, MAP; Record module and can use DBB, MAP; The control module and the module of pre-recording can use DBB; Memory module is corresponding with memory.
In sum, the invention provides a kind of user of allowing by portable terminal when watching mobile multi-media broadcast program, can in time intactly record down the method for programs of interest fragment.When the beginning playing mobile multimedia broadcast program, if the user has enabled the prerecording function, just portable terminal begins video is pre-recorded by the mode of buffer memory or file.When reaching when pre-recording size, adopt the mode that covers, cover the earliest content with fresh content.After recording end, prerecorded content and the video of recording subsequently are stored in the memories such as FLASH or SD card.The final like this program fragment that gets off of recording has comprised the user by a fragment before the recording key, thereby has guaranteed the relative integrality of recorded program fragment.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the method for recording of a mobile multi-media broadcast program comprises:
Portable terminal begins after the playing mobile multimedia broadcast program, carries out prerecording and preserves prerecorded content;
If the user selects to record described program, portable terminal is preserved recorded content in playing process;
After recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
2. the method for claim 1 is characterized in that,
Described portable terminal begins to preserve prerecorded content and carries out timing in the beginning prerecording, a duration user that pre-records who sets in advance is also non-selected to record described program if timing time reaches, then the prerecorded content of Bao Cuning be the current time before duration be the content of duration of pre-recording.
3. method as claimed in claim 2 is characterized in that,
If the user was provided with the duration of pre-recording before playing mobile multimedia broadcast program, the duration of pre-recording that the then described duration of pre-recording that sets in advance is provided with for the user; Otherwise the described duration of pre-recording that sets in advance is an acquiescence duration of pre-recording.
4. the method for claim 1 is characterized in that,
Portable terminal is kept at described prerecorded content in the buffer storage when prerecording;
Record described program when user's selection, portable terminal is created recorded file on nonvolatile memory, described prerecorded content is stored in the recorded file, and continues the storage recorded content after described prerecorded content; After recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
5. the method for claim 1 is characterized in that,
Portable terminal is kept at described prerecorded content in the nonvolatile memory with document form when prerecording;
When the user selects to record described program, portable terminal as recorded file, and continues to store recorded content with the prerecorded content of described document form described prerecorded content after; After recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
6. the method for claim 1 is characterized in that,
Portable terminal is kept at described prerecorded content in the nonvolatile memory with document form when prerecording;
Record described program when user's selection, portable terminal is created new file and is preserved recorded content; After recording end, described prerecorded content and recorded content are synthesized a recorded file that comprises prerecorded content and recorded content.
7. the record device of a mobile multi-media broadcast program is applied in the portable terminal, comprises playing module, records module, control module, memory module, it is characterized in that, also comprises the module of pre-recording,
The described module of pre-recording is used for the control according to control module, begins to carry out prerecording when playing module begins playing mobile multimedia broadcast program, and prerecorded content is saved in the memory module;
The described module of recording is used for control according to control module, when the user selects to record described program, recorded content is saved in the memory module; And, prerecorded content and recorded content are handled, after recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
8. method as claimed in claim 7 is characterized in that,
Described memory module comprises buffer storage and nonvolatile memory;
The described module of pre-recording is used for prerecorded content is saved in buffer storage;
The described module of recording is used for when the user selects to record described program, on nonvolatile memory, create recorded file, with described prerecorded content from the buffering memory stores to recorded file, and recorded content is stored in continuation after described prerecorded content, up to recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
9. method as claimed in claim 7 is characterized in that,
Described memory module comprises nonvolatile memory;
The described module of pre-recording is used for prerecorded content is saved in nonvolatile memory with document form;
The described module of recording is used for when the user selects to record described program, with the prerecorded content of described document form as recorded file, and after described prerecorded content, continue the storage recorded content, up to recording end, obtain comprising the recorded file of described prerecorded content and recorded content.
10. method as claimed in claim 7 is characterized in that,
Described memory module comprises nonvolatile memory;
The described module of pre-recording is used for prerecorded content is saved in nonvolatile memory with document form;
The described module of recording is used for when the user selects to record described program, creates new file and preserves recorded content; The described module of recording also is used for after recording end described prerecorded content and recorded content being synthesized a recorded file that comprises prerecorded content and recorded content.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910128692A CN101841681A (en) | 2009-03-21 | 2009-03-21 | Method and device for recording mobile multimedia broadcast program |
| PCT/CN2009/072511 WO2010108343A1 (en) | 2009-03-21 | 2009-06-29 | Method and device for recording mobile multimedia broadcast program |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910128692A CN101841681A (en) | 2009-03-21 | 2009-03-21 | Method and device for recording mobile multimedia broadcast program |
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| CN200910128692A Pending CN101841681A (en) | 2009-03-21 | 2009-03-21 | Method and device for recording mobile multimedia broadcast program |
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| CN107872620A (en) * | 2017-11-22 | 2018-04-03 | 北京小米移动软件有限公司 | video recording method and device |
| CN107872620B (en) * | 2017-11-22 | 2020-06-02 | 北京小米移动软件有限公司 | Video recording method and device and computer readable storage medium |
| CN114025222A (en) * | 2021-11-05 | 2022-02-08 | 海信电子科技（深圳）有限公司 | Display equipment and program data recording method |
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| WO2010108343A1 (en) | 2010-09-30 |
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