WO2015055053A1 - 一种切换播放模式的方法、装置和终端 - Google Patents

一种切换播放模式的方法、装置和终端 Download PDF

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Publication number
WO2015055053A1
WO2015055053A1 PCT/CN2014/085692 CN2014085692W WO2015055053A1 WO 2015055053 A1 WO2015055053 A1 WO 2015055053A1 CN 2014085692 W CN2014085692 W CN 2014085692W WO 2015055053 A1 WO2015055053 A1 WO 2015055053A1
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Prior art keywords
switching
play mode
video
mode
event
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PCT/CN2014/085692
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English (en)
French (fr)
Inventor
李丽霞
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中兴通讯股份有限公司
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Publication of WO2015055053A1 publication Critical patent/WO2015055053A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/654—Transmission by server directed to the client
    • H04N21/6543—Transmission by server directed to the client for forcing some client operations, e.g. recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44213—Monitoring of end-user related data
    • H04N21/44222—Analytics of user selections, e.g. selection of programs or purchase activity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439—Processing of audio elementary streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4436—Power management, e.g. shutting down unused components of the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8547—Content authoring involving timestamps for synchronizing content

Definitions

  • the present invention relates to the field of multimedia, and in particular, to a method, an apparatus, and a terminal for switching a play mode.
  • the terminal plays video
  • the video and audio are separately decoded, and then played according to the time stamp.
  • general-purpose video formats most of them can be decoded by hardware.
  • software decoding may be used. Whether it is high-speed hardware decoding or relatively low-speed software decoding, it will generate a certain amount of energy.
  • the characteristic of the mobile terminal is that the battery energy capacity is small, and the user has high requirements on the standby time, and the time required for all applications is high;
  • Unattended mode This situation is the same for mobile phones or TVs or PC terminals. If the video is in playback mode, but no one is currently watching, or the viewer of the mobile video inserts the headset, it is only hoped to hear it. Sound, the situation where the video is not required;
  • the embodiment of the present invention mainly provides a switching play mode. Method, device and terminal.
  • switching to the audio play mode stops processing the video data.
  • An embodiment of the present invention further provides an apparatus for switching a play mode, where the apparatus includes:
  • a detecting module configured to detect an event that triggers a switching play mode
  • a switching module configured to switch to the audio play mode when an event that triggers a switch play mode is detected
  • a data processing module configured to process video data and audio data.
  • An embodiment of the present invention further provides a terminal, including the foregoing apparatus for switching a play mode.
  • the method, device and terminal for switching the play mode provided by the embodiment of the present invention switch to the audio play mode when detecting the event that triggers the switch play mode, and stop processing the video data at the same time, and only decode the audio data. And output; in this way, it is possible to switch the play mode in real time and freely.
  • the video data since the video data is processed from the video playback mode to the audio playback mode, the video data is no longer processed, thereby saving power, thereby increasing standby time and improving user perception and CPU utilization.
  • FIG. 1 is a schematic flowchart of a method for switching a play mode according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic flowchart of a method for switching a play mode according to Embodiment 2 of the present invention
  • FIG. 3 is a schematic structural diagram of an apparatus for switching a play mode according to Embodiment 3 of the present invention.
  • FIG. 4 is a schematic structural diagram of an apparatus for switching a play mode according to Embodiment 4 of the present invention.
  • FIG. 5 is a schematic structural diagram of an apparatus for switching a play mode according to Embodiment 5 of the present invention.
  • FIG. 6 is a schematic structural diagram of a terminal for switching a play mode according to Embodiment 6 of the present invention.
  • the user after the user initiates the automatic switching play mode, when an event that triggers the switching of the play mode is detected, the user switches to the audio play mode, stops processing the video data, performs only the decoding and output of the audio data, and turns off the screen. It plays a role in saving energy.
  • the processing of the video data is stopped, that is, the decoding of the video data is stopped, and the rendering and output of the video data are stopped, and the display interface stops the display of the video image, thereby saving energy.
  • the embodiment of the invention implements a method for switching a play mode. As shown in FIG. 1 , the method includes the following steps:
  • Step 101 When the terminal performs video playback, detecting an event that triggers a switching play mode
  • the terminal performs video playback for video and audio playback.
  • the terminal decodes the video and the audio separately, and then plays according to the time stamp; when playing the video, The terminal starts detecting the event that triggers the switching play mode, and the event is a set of events that trigger the switching play mode:
  • the event may be a gesture for triggering a switching play mode, and/or a human eye change for triggering a switching play mode, and/or a trigger for triggering playback.
  • the infrared detection and/or voice detection mechanism of the terminal can be fully utilized, and the infrared wavelength of the human body for triggering the switching play mode is detected, and/or the control sound for triggering the switching play mode is detected. As the event.
  • triggering events can be varied and not limited to the enumerated ones. Perhaps with the development of technology, more trigger events can be designed.
  • the specified sound for triggering a switching play mode such as a beep or a deep breathing sound; the triggering to switch the play mode
  • Mechanical/electrical connection for example: plugging and unplugging the headset, whether the Bluetooth headset is connected.
  • the video playback mode mentioned in this article refers to the video + audio playback mode, which is the regular video playback.
  • Step 102 When it is detected that an event triggering the switching play mode occurs, switching to the audio play mode stops decoding of the video data.
  • the switching to the audio play mode stops the decoding of the video data, specifically: the terminal stops processing the video data, only decodes and outputs the audio data, stops processing the video data, and stops decoding the video data.
  • the operation of rendering, stopping the decoding of the video data, releasing all the resources occupied by the video decoding, and extinguishing the display at the same time, is convenient to save energy, especially for the battery-powered terminal, has a good effect.
  • the decoding, rendering and output of the video data are stopped, and the display interface stops the display of the video image, but does not interrupt the decoding and output of the audio data.
  • the manner of detection is also different, and may be voice detection, or infrared detection, or mechanical connection detection, or electrical connection detection, and the like.
  • voice detection or infrared detection
  • mechanical connection detection or electrical connection detection, and the like.
  • electrical connection detection and the like.
  • the second embodiment of the present invention implements another method for switching the play mode. As shown in FIG. 2, the method includes the following steps:
  • Step 201 When the terminal starts video playback, the user selects to enter the automatic switching play mode or the normal play mode.
  • a selection dialog box is provided on the interface, and the user can select to automatically switch the play mode or the normal play mode, and when the normal play mode is selected, the video is played normally.
  • the terminal can switch the play mode in real time: from the video play mode to the audio play mode, or from the audio play mode to the video play mode.
  • the video playback mode is to process both audio data and video data, that is, a conventional video playback mode; the audio playback mode mentioned herein only decodes and outputs the audio data, and does not decode the video data.
  • the user can also set the terminal to perform video playback in the default startup mode.
  • the default startup mode can be set by the user, that is, when the video playback is started, the terminal directly enters the default video playback mode, and the user does not need to select the video playback mode.
  • Step 202 When the automatic switching play mode is selected, an event that triggers the switching of the play mode is detected.
  • the terminal starts to detect an event that triggers the switching of the play mode, wherein the event that triggers the switching of the play mode may be defined according to the method in Embodiment 1, and, according to the defined event.
  • the detection method is also different, and may be voice detection, or infrared detection, or mechanical connection detection, or electrical connection detection, and the like.
  • the embodiment of the present invention including but not limited to the foregoing detection manner.
  • the event of triggering the switching of the play mode may be a gesture for triggering the switching of the play mode, and/or a human eye change for triggering the switch play mode, and/or a fingerprint change for triggering the switch play mode. And/or the occurrence of a specified sound for triggering the switching of the playback mode, and/or the occurrence of a mechanical/electrical connection for triggering the switching of the playback mode; for terminals such as televisions, the infrared detection of the terminal can be fully utilized and And/or a voice control detection mechanism that detects a human body infrared wavelength for triggering a switched play mode, and/or detects a control sound for triggering a switched play mode as the event.
  • the events that are triggered can be varied and are not limited to those enumerated. Perhaps with the development of technology, more trigger events can be designed.
  • the specified sound for triggering a switching play mode such as a beep or a deep breathing sound; the triggering for switching the play mode
  • Mechanical/electrical connections such as the insertion and removal of headphones, and whether Bluetooth headsets are connected.
  • Step 203 When it is detected that an event triggering the switching of the play mode occurs, the terminal starts timing.
  • the time value of the time is set in advance, and when the event triggering the switching play mode occurs, the time is started.
  • Step 204 When the timing expires, the playback data information is saved, the audio playback mode is switched, and the video data is stopped.
  • the play data information is saved, the play mode is switched, the video play mode is switched to the audio play mode, and the decoding and output of the video data is stopped. Only the audio data is decoded and output.
  • the video data source parameters and the like need to be saved, and the set of the parameters may be set to A, and the video data source parameters such as a decoding format, a decoding rate, and the like;
  • Stop decoding and cache video rendering parameters such as area size. You can set these parameter sets to C. After that, the display screen is turned off. At this point, the switching is completed.
  • the decoding and rendering playback of the audio data is not interrupted, thereby completing the complete switching of the video to audio playback mode.
  • the stored or cached data is used for reverse switching, and the reverse switching described herein switches from audio playback mode to video playback mode.
  • the play data information includes a set A, a set B, and a set C.
  • Step 205 Perform reverse switching when it is detected that an event triggering the reverse switching play mode occurs.
  • step 204 the mode is switched to the audio play mode.
  • the audio data is decoded, rendered, and outputted. If the video is switched back to the video playback mode for normal video and sound. For frequency playback, reverse switching is required, and when an event that triggers the reverse switching play mode is detected, reverse switching is performed.
  • the step of reverse switching is:
  • the decoding is constructed according to each parameter, and the prepared data source is simultaneously sent;
  • the event that triggers the reverse switching play mode may be a gesture for triggering the reverse switching play mode, and/or a human eye change for triggering the reverse switch play mode, and/or an appearance.
  • the infrared detection and/or voice detection mechanism of the terminal can be fully utilized, and the infrared wavelength of the human body for triggering the reverse switching playback mode is detected, and/or the reverse switching playback is detected.
  • the mode controls the sound as the event.
  • the specified sound for triggering the reverse switching play mode for example: sound of getting up or deep breathing; the mechanical/electrical connection for triggering the reverse switching play mode, for example: plugging and unplugging of the earphone, whether the Bluetooth headset is
  • the connection may also be the reverse action or operation of the event triggering the switching of the play mode as described in the first embodiment.
  • the event that triggers the reverse switching may also be an action set by the user, High user experience.
  • the third embodiment of the present invention provides a device for switching a play mode.
  • the device includes: a detection module 301, a switching module 302, and a data processing module 303.
  • the detecting module 301 can be implemented by a sensor, and configured to detect an event that triggers a switching play mode when the terminal performs video playback;
  • the switching module 302 can be implemented by a central processing unit (CPU) configured to switch to an audio play mode when an event that triggers the switching of the play mode is detected.
  • CPU central processing unit
  • the data processing module 303 can be implemented by a data processor configured to process video data and audio data.
  • the event that triggers the switching play mode is the event described in the first embodiment, and the detection mode of the detecting module 301 may be voice detection, infrared detection, or mechanical connection detection, or electricity, according to different trigger events. Connection detection and more. Of course, in the embodiment of the present invention, including but not limited to the foregoing detection manner.
  • the switching module When the detecting module 301 detects that the event that triggers the switching play mode occurs, the switching module sends a switching instruction to the switching module 302, and the switching module 302 switches the video playing mode after receiving the switching instruction, that is, switches from the video playing mode to the audio.
  • the mode is played, and an instruction is sent to the data processing module 303 to stop processing the video data and process only the audio data.
  • the switching module 302 switches from the video playing mode to the audio playing mode, that is, the video data is not sent to the data processing module 303, and only the audio data is sent; the data processing module 303 receives the instruction of the switching module 302. After that, the decoding, rendering and output of the video data are stopped, and the display interface stops the display of the video image, but does not interrupt the decoding and output of the audio data.
  • the detecting module 301 is further configured to detect an event that triggers a reverse switching play mode.
  • the switching module 302 When the detecting module detects that an event triggering the reverse switching play mode occurs, the switching module 302 performs reverse switching, and sends an instruction to the data processing module 303 to stop the transmission of the video data, and the data processing module 303 starts the video.
  • the data is decoded, rendered and output for normal video playback.
  • the event that triggers the reverse switching play mode is an event that triggers the reverse switching play mode in the second embodiment.
  • the fourth embodiment of the present invention provides another device for switching a play mode.
  • the device includes: a selection module 304, a detection module 301, a switching module 302, and a data processing module 303.
  • the selecting module 304 is configured to select an automatic switching play mode or a normal play mode when the video play is started;
  • the detecting module 301 is configured to detect an event that triggers a switching play mode
  • the switching module 302 is configured to switch the video play mode when an event that triggers the switching of the play mode is detected.
  • the data processing module 303 is configured to process the video data and the audio data.
  • the selection module 305 is configured to provide a selection dialog on the interface, and the user can select the normal play mode or automatically switch the play mode.
  • the terminal when the user selects the normal play mode, the terminal performs normal video playback; when the user selects the automatic switch play mode, the user enters the automatic switch play mode, and the terminal can switch the play mode in real time: from the video play mode to the audio play mode. , or switch from audio playback mode to video playback mode.
  • the user can also set the default play mode according to the need, without the need to select the play mode.
  • the event that triggers the switching of the play mode is the event described in the first embodiment, and the check
  • the detection mode of the measurement module 301 may be voice detection, or infrared detection, or mechanical connection detection, or electrical connection detection, etc., depending on the trigger event.
  • voice detection or infrared detection
  • mechanical connection detection or electrical connection detection, etc., depending on the trigger event.
  • electrical connection detection etc.
  • the switching module When the detecting module 301 detects that the event that triggers the switching play mode occurs, the switching module sends a switching instruction to the switching module 302, and the switching module 302 switches the video playing mode after receiving the switching instruction, that is, switches from the video playing mode to the audio.
  • the mode is played, and an instruction is sent to the data processing module 303 to stop the transmission of the video data, and the data processing module 303 stops processing the video data and processes only the audio data.
  • the data processing module 303 stops decoding, rendering, and outputting the video data, and the display interface stops displaying the video image, but does not interrupt the decoding and output of the audio data.
  • the detecting module 301 is further configured to detect an event that triggers a reverse switching play mode.
  • the switching module 302 When the detecting module detects that an event triggering the reverse switching play mode occurs, the switching module 302 performs reverse switching, and sends instruction and video data to the data processing module 303, and the data processing module 303 starts decoding the video data. , rendering and output for normal video playback.
  • the event that triggers the reverse switching play mode is an event that triggers the reverse switching play mode in the second embodiment.
  • the fifth embodiment of the present invention provides another device for switching the play mode.
  • the device includes: a selection module 304, a detection module 301, a timing module 305, a switching module 302, a storage module 306, and data processing.
  • Module 303 wherein
  • the selecting module 304 is configured to select an automatic switching play mode or a normal play mode when the video play is started;
  • the detecting module 301 is configured to detect an event that triggers a switching play mode
  • the timing module 305 is configured to perform timing when an event that triggers the triggering is detected to occur;
  • the switching module 302 is configured to switch the video play mode when an event that triggers the switching of the play mode is detected.
  • the storage module 306 is configured to store data and parameters required for the handover, and specifically save parameters such as video data, video decoder, and video rendering.
  • the data processing module 303 is configured to process the video data and the audio data.
  • the selection module 305 is configured to provide a selection dialog on the interface, and the user can select the normal play mode or automatically switch the play mode.
  • the terminal when the user selects the normal play mode, the terminal performs normal video playback; when the user selects the automatic switch play mode, the user enters the automatic switch play mode, and the terminal can switch the play mode in real time: from the video play mode to the audio play mode. , or switch from audio playback mode to video playback mode.
  • the user can also set the default play mode according to the need, without the need to select the play mode.
  • the timing module 305 sets the time limit.
  • the timing module 305 can also set a time limit by the user when the startup mode is selected. If the user does not set, the system default time limit can be selected, and the system default time limit can be defined by the user.
  • the timing module 305 starts counting. If the set time limit is not exceeded, the waiting is continued. If the timeout occurs, the switching module 302 is notified to perform the switching of the playing mode.
  • the event that triggers the switching of the play mode is the event described in the first embodiment.
  • the detection mode of the detecting module 301 may be voice detection, infrared detection, or mechanical connection detection, or electrical connection, depending on the trigger event. Detection and so on. Of course, in the implementation of the present invention Examples include, but are not limited to, the above detection methods.
  • the switching module When the detecting module 301 detects that the event that triggers the switching play mode occurs, the switching module sends a switching instruction to the switching module 302, and the switching module 302 switches the video playing mode after receiving the switching instruction, that is, switches from the video playing mode. Going to the audio play mode and sending an instruction to the data processing module 303 and stopping the transmission of the video data, the data processing module 303 stops processing the video data and processes only the audio data.
  • the storage module 306 saves video data source parameters (such as a decoding format, a decoding rate, etc.), specifically:
  • the decoding parameter set is saved, such as the data source encapsulation, source, etc., these parameter sets can be set to B;
  • the storage module 306 is further configured to store other parameters, such as: a definition, a detection mode, a registration, a notification, and a callback function of the triggered switching play mode event, and a video playback mode to a video playback during audio playback. Keywords such as format, frame rate, display size, etc.
  • the data processing module 303 After receiving the instruction of the switching module 302, the data processing module 303 stops decoding, rendering and outputting of the video data, and the display interface stops the display of the video image, but does not interrupt the decoding and output of the audio data.
  • the event that triggers the reverse switching play mode is an event that triggers the reverse switching play mode in the second embodiment.
  • the detecting module 301 is further configured to detect an event that triggers a reverse switching play mode.
  • the switching module 302 When the detecting module 301 detects that an event triggering the reverse switching play mode occurs, The switching module 302 performs reverse switching and sends instruction and frequency data to the data processing module 303.
  • the data processing module 303 begins to decode, render, and output the video data for normal video playback.
  • the event that triggers the reverse switching play mode is an event that triggers the reverse switching play mode in the second embodiment.
  • the switching module 302 when the detecting module 301 detects that an event triggering the reverse switching play mode occurs, the switching module 302 reversely switches from the audio play mode to the video play mode, and the data processing module 303 saves according to the storage module 306.
  • the data sets A, B, and C decode, render, and output the video data for normal video playback.
  • the detection manner includes, but is not limited to, the foregoing detection manner.
  • the sixth embodiment of the present invention provides a terminal 40 for switching the play mode.
  • the terminal 40 includes the device 30 for switching the play mode in any of the third embodiment, the fourth embodiment, and the fifth embodiment.
  • the terminal 40 may be a mobile terminal, such as a mobile phone, a PAD, or the like; or may be a non-mobile terminal, such as a television, a PC, or the like.
  • the user can realize a free switching play mode when watching the video, smoothly switching from the video play mode to the audio play mode, or smoothly switching from the audio play mode to the video play mode. , thereby saving energy, increasing standby time, achieving smooth switching, and improving user perception.
  • a playback mode can be switched in real time and freely, wherein Since the audio data is processed after the video playback mode is switched to the audio playback mode, the video data is no longer processed, which also saves power, thereby increasing standby time, improving user perception and CPU utilization.

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  • Engineering & Computer Science (AREA)
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  • Signal Processing (AREA)
  • Social Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Databases & Information Systems (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
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  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

本发明公开了一种切换播放模式的方法，终端进行视频播放时，当检测到触发切换播放模式的事件发生时，切换到音频播放模式，停止处理视频数据；本发明同时还公开了一种切换播放模式的装置和终端，通过本发明的方案，能够实现自由实时切换终端视频播放模式，节约电能，增加待机时间。

Description

一种切换播放模式的方法、装置和终端 技术领域
本发明涉及多媒体领域，尤其是涉及一种切换播放模式的方法、装置和终端。
背景技术
众所周知，终端在进行视频播放的时候，对视频和音频分别进行解码，之后按照时间戳进行播放。对于通用的视频格式，大部分都可以采用硬件进行解码，对于有些特殊的视频编码格式，可能会采用软件解码的方法。无论是高速的硬件解码还是速度相对较低的软件解码，都会产生一定的能耗。
这样的播放模式不适用于如下几种情况：
手机终端：手机终端的特点是电池能量容量较小，而用户对待机时间要求高，对于所有应用运行的时间要求高；
无人观看模式：这种情况无论对手机还是电视机或者PC终端来讲都是一样的，若视频处于播放模式，但是当前无人观看，或者手机视频的欣赏者插入耳机仅仅是希望能听到声音，对于视频不做要求的情况；
某些用户选择反复播放的视频：这种情况对于手机、电视、PC等也是一样的。如果某些类型的视频被用户反复播放，那这些类型的视频很有可能是用户非常熟悉的但是又十分喜欢的，在这种情况下，用户其实对视频要求不高，更关注的可能是音频。
发明内容
为解决现有存在的技术问题，本发明实施例主要提供一种切换播放模 式的方法、装置和终端。
本发明实施例的技术方案是这样实现的：
本发明实施例提供的一种切换播放模式的方法，该方法包括：
终端进行视频播放时，检测触发切换播放模式的事件；
当检测到触发切换播放模式的事件发生时，切换到音频播放模式，停止处理视频数据。
本发明实施例还提供一种切换播放模式的装置，该装置包括：
检测模块，配置为检测触发切换播放模式的事件；
切换模块，配置为当检测到触发切换播放模式的事件发生时，切换到所述音频播放模式；
数据处理模块，配置为对视频数据和音频数据进行处理。
本发明实施例还提供一种终端，包括上述切换播放模式的装置。
本发明实施例提供的一种切换播放模式的方法、装置和终端，在检测到触发切换播放模式的事件发生时，才切换到音频播放模式，且同时停止处理视频数据，只进行音频数据的解码和输出；如此，能够实现实时、自由地切换播放模式。另外，由于从视频播放模式切换到音频播放模式后，只对音频数据进行处理，不再处理视频数据，这样，能节约电能，从而增长待机时间，提高用户感知度和CPU的利用率。
附图说明
图1为本发明实施例一提供的切换播放模式的方法流程示意图；
图2为本发明实施例二提供的切换播放模式的方法流程示意图；
图3为本发明实施例三提供的切换播放模式的装置的结构示意图；
图4为本发明实施例四提供的切换播放模式的装置的结构示意图；
图5为本发明实施例五提供的切换播放模式的装置的结构示意图；
图6为本发明实施例六提供的切换播放模式的终端的结构示意图。
具体实施方式
本发明实施例中，用户启动自动切换播放模式后，当检测到触发切换播放模式的事件发生时，切换到音频播放模式，停止处理视频数据，只进行音频数据的解码和输出，同时熄灭屏幕，起到了节约能耗的作用。
其中，停止处理视频数据，即停止视频数据的解码，并停止视频数据的渲染、输出，显示界面停止视频图像的显示，从而节约能耗。
下面通过附图及具体实施例对本发明做进一步的详细说明。
实施例一
本发明实施例实现一种切换播放模式的方法，如图1所示，该方法包括以下几个步骤：
步骤101：终端进行视频播放时，检测触发切换播放模式的事件；
具体的，所述终端进行视频播放为视频和音频的播放，通常来讲，终端在进行视频播放时，都是对视频和音频分别进行解码，之后按照时间戳进行播放；在进行视频播放时，终端启动触发切换播放模式的事件的检测，所述事件为触发切换播放模式的事件的集合：
对于手机、PAD、PC等终端来说，所述事件可以是出现用于触发切换播放模式的手势、和/或出现用于触发切换播放模式的人眼变化、和/或出现用于触发切换播放模式的指纹改变、和/或出现用于触发切换播放模式的指定声音、和/或出现用于触发切换播放模式的机械/电的连接等事件；
对于电视机等终端而言，可以充分使用终端的红外检测和/或声控检测机制，将检测到用于触发切换播放模式的人体红外波长、和/或检测到用于触发切换播放模式的控制声音作为所述事件。
当然，触发事件可以是多种多样的，并不局限于所列举的这些，或许随着科技的发达，可以设计更多的触发事件。所述用于触发切换播放模式的指定声音，例如：鼾声或者深呼吸的声音；所述用于触发切换播放模式 的机械/电的连接，例如：耳机的插拔、蓝牙耳机是否连接。
其中，本文中提到的视频播放模式，是指视频+音频的播放模式，即为常规的视频播放。
步骤102：当检测到触发切换播放模式的事件发生时，切换到音频播放模式，停止视频数据的解码。
当检测到触发切换播放模式的事件发生时，例如，上文提到的触发事件发生时，切换到音频播放模式。
其中，所述切换到音频播放模式，停止视频数据的解码，具体为：终端停止对视频数据进行处理，只对音频数据进行解码和输出，停止对视频数据进行处理为不再对视频数据进行解码、渲染等操作，停止视频数据解码的工作，释放视频解码占用的所有资源，同时熄灭显示屏，便于节省能耗，尤其是对于电池供电的终端来说，具有很好的效果。
其中，停止视频数据的解码、渲染和输出，显示界面停止了视频图像的显示，但是不中断音频数据的解码和输出。
另外，根据步骤101中的定义的触发事件的不同，检测的方式也不一样，可以是声控检测、或者红外线检测、或者机械连接检测、或者电连接检测等等。当然，在本发明实施例中，包括但不限于上述检测方式。
实施例二
本发明实施例二实现一种切换播放模式的另一方法，如图2所示，该方法包括以下几个步骤：
步骤201：终端启动视频播放时，选择进入自动切换播放模式，或者正常播放模式。
具体的，终端启动视频播放时，在界面提供一个选择对话框，用户可以选择是自动切换播放模式或者正常播放模式，当选择正常播放模式时，正常播放视频。
当用户选择自动切换播放模式时，终端可以实时切换播放模式：从视频播放模式切换到音频播放模式，或者从音频播放模式切换到视频播放模式。
其中，视频播放模式为对音频数据和视频数据都进行处理，即常规的视频播放模式；本文中提到的音频播放模式只对音频数据进行解码和输出，而不再对视频数据进行解码。
优选地，用户还可以设置终端以默认启动方式进行视频播放，默认启动方式可以由用户自己设定，即启动视频播放时，终端直接进入默认的视频播放模式，用户无需进行视频播放模式的选择。
步骤202：当选择自动切换播放模式时，检测触发切换播放模式的事件。
具体的，当选择自动切换播放模式时，终端开始对触发切换播放模式的事件进行检测，其中所述的触发切换播放模式的事件，可以依据实施例一中所述定义，同样，根据定义的事件不同，检测的方式也不一样，可以是声控检测、或者红外线检测、或者机械连接检测、或者电连接检测等等。当然，在本发明实施例中，包括但不限于上述检测方式。
其中，所述触发切换播放模式的事件可以是出现用于触发切换播放模式的手势、和/或出现用于触发切换播放模式的人眼变化、和/或出现用于触发切换播放模式的指纹改变、和/或出现用于触发切换播放模式的指定声音、和/或出现用于触发切换播放模式的机械/电的连接等事件；对于电视机等终端而言，可以充分使用终端的红外检测和/或声控检测机制，将检测到用于触发切换播放模式的人体红外波长、和/或检测到用于触发切换播放模式的控制声音作为所述事件。
当然，触发的事件可以是多种多样的，并不局限于所列举的这些，或许随着科技的发达，可以设计更多的触发事件。所述用于触发切换播放模式的指定声音，例如：鼾声或者深呼吸的声音；所述用于触发切换播放模 式的机械/电的连接，例如：耳机的插拔、蓝牙耳机是否连接。
步骤203：当检测到触发切换播放模式的事件发生时，终端开始计时。
具体的，在自动切换播放模式下，预先设置计时的时间值，当触发切换播放模式的事件发生时，开始计时。
步骤204：当计时超时时，保存播放数据信息，切换到音频播放模式，停止处理视频数据。
具体的，开始计时后，如果设置的时限内没有收到任何操作指令，到达时限后，保存播放数据信息，切换播放模式，将视频播放模式切换至音频播放模式，并且停止视频数据的解码和输出，只对音频数据进行解码和输出。
具体的切换流程如下：
1、在切换之前，需要将视频数据源参数等进行保存，可以设置这些参数的集合为A，所述视频数据源参数如解码格式、解码率等；
2、在切换之前，需要将解码参数集合进行保存，如数据源的封装、来源等，可以设置这些参数集合为B；
3、停止解码，缓存视频渲染参数，例如区域大小，可以设置这些参数集合为C；之后，熄灭显示屏幕，至此，切换完成。
在这个过程中，音频数据的解码和渲染播放不中断，由此完成了视频到音频播放模式的完整切换。在这个过程中，存储或者缓存的数据用于反向切换，本文所述反向切换为由音频播放模式切换到视频播放模式。
其中，所述播放数据信息包括集合A、集合B和集合C。
步骤205：当检测到触发反向切换播放模式的事件发生时，进行反向切换。
具体的，步骤204中切换到音频播放模式，在这种模式下，只对音频数据进行解码、渲染和输出，如果切换回视频放模式进行正常的视频和音 频的播放，就需要进行反向切换，当检测到触发反向切换播放模式的事件发生时，进行反向切换。
优选地，反向切换的步骤为：
1、将视频数据参数集合A进行解析，获取音频数据播放的当前时间戳T，查询对应于T时刻的视频的位置；
2、将视频解码参数集合B解析，用于进行视频解码；
3、将视频渲染参数集合C解析，用于视频渲染播放；
4、根据各个参数进行解码的构建，同时发送已经准备好的数据源；
5、开始解码并将解码后的数据输出给视频渲染部分进行渲染；
6、点亮屏幕进行正常的视频播放。
其中，所述触发反向切换播放模式的事件为，可以是出现用于触发反向切换播放模式的手势、和/或出现用于触发反向切换播放模式的人眼变化、和/或出现用于触发反向切换播放模式的指纹改变、和/或出现用于触发反向切换播放模式的指定声音、和/或出现用于触发反向切换播放模式的机械/电的连接等事件；
对于电视机等终端而言，可以充分使用终端的红外检测和/或声控检测机制，将检测到用于触发反向切换播放模式的人体红外波长、和/或检测到用于触发反向切换播放模式的控制声音作为所述事件。
当然，触发反向切换的事件可以是多种多样的，并不局限于所列举的这些，或许随着科技的发达，可以设计更多触发反向切换的事件。所述用于触发反向切换播放模式的指定声音，例如：起床声或者深呼吸的声音；所述用于触发反向切换播放模式的机械/电的连接，例如：耳机的插拔、蓝牙耳机是否连接；也可以是实施例一中所述触发切换播放模式的事件的反向动作或者操作。
优选地，所述触发反向切换的事件也可以是用户自己设定的动作，提 高用户的体验。
实施例三
本发明实施例三提供了一种切换播放模式的装置，如图3所示，所述装置包括：检测模块301、切换模块302、数据处理模块303；其中，
检测模块301，可以由传感器实现，配置为在终端进行视频播放时，检测触发切换播放模式的事件；
切换模块302，可以由中央处理器(CPU)实现，配置为当检测到触发切换播放模式的事件发生时，切换到音频播放模式；
数据处理模块303，可以由数据处理器实现，配置为对视频数据和音频数据进行处理。
具体的，所述触发切换播放模式的事件为实施例一中所述事件，所述检测模块301的检测方式根据触发事件的不同，可以是声控检测、或者红外线检测、或者机械连接检测、或者电连接检测等等。当然，在本发明实施例中，包括但不限于上述检测方式。
当检测模块301检测到所述触发切换播放模式的事件发生时，发送切换指令给所述切换模块302，所述切换模块302收到切换指令后切换视频播放模式，即从视频播放模式切换到音频播放模式，并向数据处理模块303发送指令，停止对视频数据进行处理，只对音频数据进行处理。
具体的，所述切换模块302从视频播放模式切换到音频播放模式，即不再向所述数据处理模块303发送视频数据，只发送音频数据；所述数据处理模块303收到切换模块302的指令后，即停止视频数据的解码、渲染和输出，显示界面停止视频图像的显示，但是不中断音频数据的解码和输出。
优选地，所述检测模块301还配置为检测触发反向切换播放模式的事件。
当检测模块检测到触发反向切换播放模式的事件发生时，所述切换模块302进行反向切换，并向数据处理模块303发送指令且停止视频数据的发送，所述数据处理模块303开始对视频数据进行解码、渲染和输出，进行正常的视频播放。
其中，所述触发反向切换播放模式的事件为实施例二中所述触发反向切换播放模式的事件。
实施例四
本发明实施例四提供了一种切换播放模式的另一装置，如图4所示，所述装置包括：选择模块304、检测模块301、切换模块302、数据处理模块303；其中，
选择模块304，配置为当启动视频播放时，选择自动切换播放模式，还是正常播放模式；
检测模块301，配置为检测触发切换播放模式的事件；
切换模块302，配置为当检测到触发切换播放模式的事件发生时，切换视频播放模式；
数据处理模块303，配置为对视频数据和音频数据进行处理。
在启动视频时，所述选择模块305配置为在界面提供一个选择对话框，用户可以选择正常播放模式或者自动切换播放模式。
具体的，当用户选择正常播放模式时，终端进行正常的视频播放；当用户选择自动切换播放模式时，则进入自动切换播放模式，终端可以实时切换播放模式：从视频播放模式切换到音频播放模式，或者从音频播放模式切换到视频播放模式。
优选地，用户还可以根据需要自行设定默认的播放模式，无需进行播放模式的选择。
其中，所述触发切换播放模式的事件为实施例一中所述事件，所述检 测模块301的检测方式根据触发事件的不同，可以是声控检测、或者红外线检测、或者机械连接检测、或者电连接检测等等。当然，在本发明实施例中，包括但不限于上述检测方式。
当检测模块301检测到所述触发切换播放模式的事件发生时，发送切换指令给所述切换模块302，所述切换模块302收到切换指令后切换视频播放模式，即从视频播放模式切换到音频播放模式，并向数据处理模块303发送指令且停止视频数据的发送，所述数据处理模块303停止对视频数据进行处理，只对音频数据进行处理。
具体的，所述数据处理模块303收到切换模块302的指令后，即停止视频数据的解码、渲染和输出，显示界面停止视频图像的显示，但是不中断音频数据的解码和输出。
优选地，所述检测模块301还配置为检测触发反向切换播放模式的事件。
当检测模块检测到触发反向切换播放模式的事件发生时，所述切换模块302进行反向切换，并向数据处理模块303发送指令和视频数据，所述数据处理模块303开始对视频数据进行解码、渲染和输出，进行正常的视频播放。
其中，所述触发反向切换播放模式的事件为实施例二中所述触发反向切换播放模式的事件。
实施例五
本发明实施例五提供了一种切换播放模式的另一装置，如图5所示，所述装置包括：选择模块304、检测模块301、计时模块305、切换模块302、存储模块306、数据处理模块303；其中，
选择模块304，配置为当启动视频播放时，选择自动切换播放模式，还是正常播放模式；
检测模块301，配置为检测触发切换播放模式的事件；
计时模块305，配置为当检测到触发切换的事件发生时，进行计时；
切换模块302，配置为当检测到触发切换播放模式的事件发生时，切换视频播放模式；
存储模块306，配置为存储切换所需要的数据和参数，具体保存视频数据、视频解码器和视频渲染等参数。
数据处理模块303，配置为对视频数据和音频数据进行处理。
在启动视频时，所述选择模块305配置为在界面提供一个选择对话框，用户可以选择正常播放模式或者自动切换播放模式。
具体的，当用户选择正常播放模式时，终端进行正常的视频播放；当用户选择自动切换播放模式时，则进入自动切换播放模式，终端可以实时切换播放模式：从视频播放模式切换到音频播放模式，或者从音频播放模式切换到视频播放模式。
优选地，用户还可以根据需要自行设定默认的播放模式，无需进行播放模式的选择。
当用户选择进入自动切换播放模式时，计时模块305设定时限。
可选的，所述计时模块305还可以在选择启动模式时，由用户设定时限，如果用户没有设定，可以选择系统默认时限，系统默认时限可以由用户定义。
当检测模块301检测到触发切换播放模式的事件发生时，计时模块305开始计时，如果没有超出设定的时限，则继续等待，如果超时，则通知切换模块302进行播放模式的切换。
其中，所述触发切换播放模式的事件为实施例一中所述事件，所述检测模块301的检测方式根据触发事件的不同，可以是声控检测、或者红外线检测、或者机械连接检测、或者电连接检测等等。当然，在本发明实施 例中，包括但不限于上述检测方式。
当所述检测模块301检测到所述触发切换播放模式的事件发生时，发送切换指令给所述切换模块302，所述切换模块302收到切换指令后切换视频播放模式，即从视频播放模式切换到音频播放模式，并向所述数据处理模块303发送指令且停止发送视频数据，所述数据处理模块303停止对视频数据进行处理，只对音频数据进行处理。
其中，在所述切换模块301切换播放模式之前，所述存储模块306保存视频数据源参数(例如解码格式、解码率等)，具体为：
1、将视频数据源参数(如解码格式、解码率)等进行保存，可以设置这些参数的集合为A；
2、将解码参数集合进行保存，如数据源的封装、来源等等，可以设置这些参数集合为B；
3、然后停止解码，缓存视频渲染参数，例如区域大小，可以设置这些参数为C。
可选的，所述存储模块306还配置为存储其他参数，例如：所述触发切换播放模式事件的定义、检测方式、注册、通知和回调函数，以及视频播放模式到音频播放过程中视频播放时的格式、帧率、显示大小等关键字。
所述数据处理模块303收到切换模块302的指令后，即停止视频数据的解码、渲染和输出，显示界面停止视频图像的显示，但是不中断音频数据的解码和输出。
其中，所述触发反向切换播放模式的事件为实施例二中所述触发反向切换播放模式的事件。
优选地，所述检测模块301还配置为检测触发反向切换播放模式的事件。
当所述检测模块301检测到触发反向切换播放模式的事件发生时，所 述切换模块302进行反向切换，并向数据处理模块303发送指令和频数据，所述数据处理模块303开始对视频数据进行解码、渲染和输出，进行正常的视频播放。
其中，所述触发反向切换播放模式的事件为实施例二中所述触发反向切换播放模式的事件。
具体的，当所述检测模块301检测到触发反向切换播放模式的事件发生时，切换模块302由音频播放模式反向切换到视频播放模式，所述数据处理模块303根据所述存储模块306保存的数据集合A、B、C，对视频数据进行解码、渲染和输出，进行正常的视频播放。
其中，所述检测方式包括但不限于上述检测方式。
实施例六
本发明实施例六提供了一种切换播放模式的终端40，如图6所示，所述终端40包括实施例三、实施例四和实施例五中任一切换播放模式的装置30。
所述终端40，可以为移动终端，例如手机、PAD等；也可以为非移动终端，例如电视机、PC等。
通过本发明所提供的方法、装置和终端，用户在观看视频时，可以实现自由的切换播放模式，从视频播放模式平滑的切换到音频播放模式，或者从音频播放模式平滑的切换到视频播放模式，从而节约电能，增长待机时间，实现平滑切换，提高用户感知度。
以上所述，仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。
工业实用性
综合本发明的各实施例，能够实现实时、自由地切换播放模式，其中， 由于从视频播放模式切换到音频播放模式后，只对音频数据进行处理，不再处理视频数据，这样也能节约电能，从而增长待机时间，提高用户感知度和CPU的利用率。

Claims (12)

  1. 一种切换播放模式的方法，所述方法包括：
    终端进行视频播放时，检测触发切换播放模式的事件；
    当检测到触发切换播放模式的事件发生时，切换到音频播放模式，停止处理视频数据。
  2. 根据权利要求1所述的方法，其中，所述方法还包括：
    当终端在所述音频播放模式下检测到触发反向切换播放模式的事件发生时，进行反向切换；
    所述反向切换为由所述音频播放模式切换回视频播放模式。
  3. 根据权利要求2所述的方法，其中，所述方法还包括：
    终端启动视频播放时，选择进入自动切换播放模式或正常播放模式；当选择进入所述自动切换播放模式时，启动所述自动切换播放模式。
  4. 根据权利要求3所述的方法，其中，所述方法还包括：
    当检测到触发切换播放模式的事件发生时，终端进行计时。
  5. 根据权利要求4所述的方法，其中，所述方法还包括：
    切换到所述音频播放模式之前，存储播放数据信息，所述播放数据信息用于反向切换。
  6. 根据权利要求1所述的方法，其中，所述停止处理视频数据为：
    终端对音频数据进行解码和输出，停止视频数据的解码和输出。
  7. 根据权利要求2所述的方法，其中，所述反向切换包括：
    终端根据正在播放的音频数据获取当前音频播放的当前时间戳；
    根据获取的所述当前时间戳查询与当前时间戳对应的视频位置，并从所述对应的视频位置开始对视频进行解码输出。
  8. 一种切换播放模式的装置，所述装置包括：
    检测模块，配置为在终端进行视频播放时，检测触发切换播放模式的 事件；
    切换模块，配置为当检测到触发切换播放模式的事件发生时，切换到音频播放模式；
    数据处理模块，配置为对视频数据和音频数据进行处理。
  9. 根据权利要求8所述的装置，其中，所述切换模块还配置为，当检测模块检测到触发反向切换播放模式的事件发生时，进行反向切换，其中，所述反向切换为由所述音频播放模式切换到所述视频播放模式。
  10. 根据权利要求8所述的装置，其中，所述装置还包括：
    选择模块，当启动视频播放时，选择自动切换播放模式，还是正常播放模式；
    当选择所述自动切换播放模式时，启动所述自动切换播放模式。
  11. 根据权利要求10所述的装置，其中，所述装置还包括：
    计时模块，配置为当检测到触发切换的事件发生时，进行计时；
    存储模块，配置为存储数据播放信息，所述数据播放信息用于反向切换。
  12. 一种终端，包括权利要求8至11中任意一项所述的装置。
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