CN103188529A - Multimedia play method for switching from first channel to second channel and multimedia play device - Google Patents
Multimedia play method for switching from first channel to second channel and multimedia play device Download PDFInfo
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- CN103188529A CN103188529A CN2011104442445A CN201110444244A CN103188529A CN 103188529 A CN103188529 A CN 103188529A CN 2011104442445 A CN2011104442445 A CN 2011104442445A CN 201110444244 A CN201110444244 A CN 201110444244A CN 103188529 A CN103188529 A CN 103188529A
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Abstract
The invention relates to a multimedia play method for switching from a first channel to a second channel and a multimedia play device. The multimedia play method for switching from the first channel to the second channel comprises the steps that when a player receives a complete frame of a multimedia code stream of the second channel, the player sends a stop command to a decoder, and the decoder stops transmitting a video code stream in a multimedia code stream of the first channel to the player. With the adoption of the multimedia play method and the multimedia play device, the blank screen duration time during channel switching can be shortened significantly, so that a watching feel of a video watcher can be raised.
Description
Technical field
The application relates to a kind of multi-medium play method and playing device that switches to second channel from first channel.
Background technology
Along with the develop rapidly of the network hardware and software, the bandwidth of network broadens, transmission speed is faster, therefore carries out multimedia transmission and plays also more and more universal by network.
When the beholder watches multimedia, usually can between a plurality of channels, switch, thereby seek own programs of interest.In the prior art, the switching of channel is normally finished like this: at first, stop current halt instruction that watching channel to the server transmission that multimedia file is provided, the decoder to displaying video sends the instruction that stops to play current channel simultaneously; Then, send the request instruction of the next channel of request to server; The 3rd, when player receives when receiving the first complete picture (being key frame) of succeeding channel from server, player is sent to decoder with the multimedia code stream of succeeding channel, and decoder is play its back of decoding.
Adopt this kind channel switching mode of prior art, stopping to play current channel and beginning to play between the succeeding channel, can produce 0.5 second～1 second blank screen usually.Blank screen during this period of time easily causes beholder's the impression of watching to descend.
Summary of the invention
Provide hereinafter about brief overview of the present invention, in order to basic comprehension about some aspect of the present invention is provided.Should be appreciated that this general introduction is not about exhaustive general introduction of the present invention.It is not that intention is determined key of the present invention or pith, neither be intended to limit scope of the present invention.Its purpose only is that the form of simplifying provides some concept, with this as the preorder of discussing after a while in greater detail.
A main purpose of the present invention is to provide a kind of and switches to multi-medium play method and the multimedia playing apparatus of second channel from first channel, thus the blank screen time when reducing channel and switching, thus promote beholder's the impression of watching.
According to an aspect of the present invention, a kind ofly switch to the multi-medium play method of second channel from first channel, comprising:
Step 1: receive the complete at least frame of multimedia code stream of second channel when player after, player sends and ceases and desist order to decoder;
Step 2: decoder stops to transmit video code flow in the multimedia code stream of described first channel to player.
Further, switch to the multi-medium play method of second channel from first channel before execution in step one, also comprise:
Player is sent to server with channel switching instruction;
Server stops to transmit to player the multimedia code stream of first channel, and the multimedia code stream of second channel is transmitted in beginning to player.
Further, the multi-medium play method that switches to second channel from first channel also comprises:
Step 3: player transfers to decoder with the video code flow in the multimedia code stream of second channel;
Step 4: decoder transfers to player after the video code flow in the multimedia code stream of described second channel is decoded.
According to a further aspect in the invention, a kind of multimedia playing apparatus comprises server, player and decoder, wherein:
The switching command that player will switch from first channel to second channel is sent to server;
Server stops to transmit to player the multimedia code stream of first channel after receiving described switching command, and the multimedia code stream of second channel is transmitted in beginning to player;
Player also behind a complete at least frame of the multimedia code stream that receives second channel, sends and ceases and desist order to decoder;
Decoder stops to transmit video code flow in the multimedia code stream of described first channel to player after receiving described ceasing and desisting order.
Further, the player in the multimedia playing apparatus transfers to decoder with the video code flow in the multimedia code stream of second channel behind a complete frame of the multimedia code stream that receives second channel;
Decoder is decoded the video code flow in the multimedia code stream of second channel and is transmitted back player.
Adopt multi-medium play method of the present invention and multimedia playing apparatus, the blank screen time in the time of can reducing the channel switching from principle.
Description of drawings
With reference to below in conjunction with the explanation of accompanying drawing to the embodiment of the invention, can understand above and other purpose of the present invention, characteristics and advantage more easily.Parts in the accompanying drawing are just in order to illustrate principle of the present invention.In the accompanying drawings, same or similar technical characterictic or parts will adopt identical or similar Reference numeral to represent.
Fig. 1 is the flow chart of a kind of execution mode of the multi-medium play method that switches to second channel from first channel of the present invention;
Fig. 2 is the structure chart of a kind of execution mode of multimedia playing apparatus of the present invention.
Wherein:
1---server;
2---player;
3---decoder.
Embodiment
Embodiments of the invention are described with reference to the accompanying drawings.The element of describing in an accompanying drawing of the present invention or a kind of execution mode and feature can combine with element and the feature shown in one or more other accompanying drawing or the execution mode.Should be noted that for purpose clearly, omitted the parts that have nothing to do with the present invention, those of ordinary skills are known and expression and the description of processing in accompanying drawing and the explanation.
Be depicted as the flow chart of a kind of execution mode of the multi-medium play method that switches to second channel from first channel of the present invention referring to accompanying drawing 1.
Generally speaking, when media play, server is to player transmitting multimedia code stream, and multimedia code stream generally includes audio code stream and video code flow.After player receives multimedia code stream, wherein video code flow is transferred to decoder decode, then, decoder transmits back decoded video code flow in the player again, and player is play after finishing audio frequency, audio video synchronization.
In the present embodiment, when the multimedia bitstream from first channel flows to the switching of the second channel multimedia code stream, have only after player receives the complete at least frame of multimedia code stream of second channel, for example, behind one frame or two frames, player just sends ceases and desist order to decoder, and at this moment, decoder stops to transmit video code flow in the multimedia code stream of first channel to player.
Owing to when player begins to play, can be used for audio-visual synchronization for some time usually and handle.Therefore, usually can a bit of video data of buffer memory (about 0.5 second to 1 second) in the decoder.Receive at player before the complete frame of multimedia code stream of second channel, player is still play in the video code flow that is buffered in first channel in the decoder and the player corresponding audio code stream with it.So, when switching from first channel to second channel, the video code flow by continue playing buffer memory and corresponding audio code stream have with it reduced the blank screen time of channel between transfer period.
As a kind of preferred version, when carrying out the channel switching, can channel switching instruction be sent to server by player.This switching command can be by external equipment, and for example the remote control equipment of beholder's use sends to player, by player this instruction is sent to server again.After server receives this channel switching instruction, stop to transmit to player the multimedia code stream of first channel, and the multimedia code stream of second channel is transmitted in beginning to player.
As a kind of preferred version, after player sent video code flow in the multimedia code stream that stops to transmit to player first channel to decoder, decoder of ceasing and desisting order, player can transfer to decoder with the video code flow in the multimedia code stream of second channel; Decoder transfers to player after the video code flow in the multimedia code stream of second channel is decoded.Then, after player is finished audio frequency, audio video synchronization, begin to play the multimedia code stream of second channel.
Shown in accompanying drawing 2, be the structure chart of a kind of execution mode of multimedia playing apparatus of the present invention.
Multimedia playing apparatus comprises server 1, player 2 and decoder 3.
The switching command that player 2 will switch from first channel to second channel is sent to server 1; This switching command can be by external equipment, and for example the remote control equipment of beholder's use sends to player 2, by player 2 this instruction is sent to server 1 again.
Server 1 stop to the multimedia code stream of player 2 transmission first channel, and the multimedia code stream of second channel is transmitted in beginning to player after receiving switching command.
Also receiving the complete frame of multimedia code stream of second channel when player 2 after, for example, behind a frame or two frames, transmission is ceased and desisted order to decoder 3, and decoder 3 is receiving the video code flow that stops after ceasing and desisting order in the multimedia code stream of player 2 transmission first channel.
Should be pointed out that player 2 will cease and desist order be sent to decoder 3 before, decoder 3 is the video code flow in the multimedia code stream of decoded first channel of player 2 transmission still, no matter whether player 2 sends switching command to server 1.
Can carry out exchanges data by any wired or wireless mode between server 1 and the player 2.
As a kind of preferred version, player 2 transfers to decoder 3 with the video code flow in the multimedia code stream of second channel behind a complete frame of the multimedia code stream that receives second channel; Decoder 3 is decoded the video code flow in the multimedia code stream of second channel and is transmitted back player 2.After player 2 is finished audio frequency, audio video synchronization, begin to play the multimedia code stream of second channel.
Adopt of the present inventionly to switch to multi-medium play method and the multimedia playing apparatus of second channel from first channel, can significantly reduce the blank screen duration of channel between transfer period, thereby promote video-see person's the impression of watching.
Above some embodiments of the present invention are described in detail.To understand as those of ordinary skill in the art, whole or any steps or the parts of method and apparatus of the present invention, can be in the network of any computing equipment (comprising processor, storage medium etc.) or computing equipment, realized with hardware, firmware, software or their combination, this is that those of ordinary skills use their basic programming skill just can realize under the situation of understanding content of the present invention, does not therefore need to specify at this.
In addition, it is evident that, when relating to possible peripheral operation in the superincumbent explanation, will use any display device and any input equipment, corresponding interface and the control program that link to each other with any computing equipment undoubtedly.Generally speaking, the hardware of the various operations in the related hardware in computer, computer system or the computer network, software and the realization preceding method of the present invention, firmware, software or their combination namely constitute equipment of the present invention and each building block thereof.
Therefore, based on above-mentioned understanding, purpose of the present invention can also be by realizing in any program of messaging device operation or batch processing.Described messaging device can be known common apparatus.Therefore, purpose of the present invention also can be only by providing the program product that comprises the program code of realizing described method or equipment to realize.That is to say that such program product also constitutes the present invention, and storage or the medium that transmits such program product also constitute the present invention.Obviously, described storage or transmission medium can be well known by persons skilled in the art, and perhaps therefore storage or the transmission medium of any kind that develops in the future also there is no need at this various storages or transmission medium to be enumerated one by one.
In equipment of the present invention and method, obviously, after can decomposing, make up and/or decompose, each parts or each step reconfigure.These decomposition and/or reconfigure and to be considered as equivalents of the present invention.The step that also it is pointed out that the above-mentioned series of processes of execution can order following the instructions naturally be carried out in chronological order, but does not need necessarily to carry out according to time sequencing.Some step can walk abreast or carry out independently of one another.Simultaneously, in the above in the description to the specific embodiment of the invention, can in one or more other execution mode, use in identical or similar mode at the feature that a kind of execution mode is described and/or illustrated, combined with the feature in other execution mode, or the feature in alternative other execution mode.
Should emphasize that term " comprises/comprise " existence that refers to feature, key element, step or assembly when this paper uses, but not get rid of the existence of one or more further feature, key element, step or assembly or additional.
Though described the present invention and advantage thereof in detail, be to be understood that and under the situation that does not exceed the spirit and scope of the present invention that limited by appended claim, can carry out various changes, alternative and conversion.And the application's scope is not limited only to the specific embodiment of the described process of specification, equipment, means, method and step.The one of ordinary skilled in the art will readily appreciate that from disclosure of the present invention, can use according to the present invention and carry out and process, equipment, means, method or the step essentially identical function of corresponding embodiment described herein or acquisition result essentially identical with it, existing and that will be developed in the future.Therefore, appended claim is intended to comprise such process, equipment, means, method or step in their scope.
Claims (5)
1. one kind switches to the multi-medium play method of second channel from first channel, it is characterized in that, comprising:
Step 1: receive the complete at least frame of multimedia code stream of second channel when player after, player sends and ceases and desist order to decoder;
Step 2: decoder stops to transmit video code flow in the multimedia code stream of described first channel to player.
2. according to claim 1ly switch to the multi-medium play method of second channel from first channel, it is characterized in that, before execution in step one, also comprise:
Player is sent to server with channel switching instruction;
Server stops to transmit to player the multimedia code stream of first channel, and the multimedia code stream of second channel is transmitted in beginning to player.
3. according to claim 1 and 2ly switch to the multi-medium play method of second channel from first channel, it is characterized in that, after step 2, also comprise:
Step 3: player transfers to decoder with the video code flow in the multimedia code stream of second channel;
Step 4: decoder transfers to player after the video code flow in the multimedia code stream of described second channel is decoded.
4. a multimedia playing apparatus comprises server, player and decoder, it is characterized in that:
The switching command that player will switch from first channel to second channel is sent to server;
Server stops to transmit to player the multimedia code stream of first channel after receiving described switching command, and the multimedia code stream of second channel is transmitted in beginning to player;
Player also behind a complete at least frame of the multimedia code stream that receives second channel, sends and ceases and desist order to decoder;
Decoder stops to transmit video code flow in the multimedia code stream of described first channel to player after receiving described ceasing and desisting order.
5. multimedia playing apparatus according to claim 4 is characterized in that:
Player transfers to decoder with the video code flow in the multimedia code stream of second channel behind a complete at least frame of the multimedia code stream that receives second channel;
Decoder is decoded the video code flow in the multimedia code stream of second channel and is transmitted back player.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104442445A CN103188529A (en) | 2011-12-27 | 2011-12-27 | Multimedia play method for switching from first channel to second channel and multimedia play device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104442445A CN103188529A (en) | 2011-12-27 | 2011-12-27 | Multimedia play method for switching from first channel to second channel and multimedia play device |
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| CN103188529A true CN103188529A (en) | 2013-07-03 |
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| CN2011104442445A Pending CN103188529A (en) | 2011-12-27 | 2011-12-27 | Multimedia play method for switching from first channel to second channel and multimedia play device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997680A (en) * | 2014-06-06 | 2014-08-20 | 北京奇艺世纪科技有限公司 | Switching method and device of video bitstream |
| CN108156487A (en) * | 2016-12-02 | 2018-06-12 | 北京邦天信息技术有限公司 | A kind of video broadcasting method and device |
| CN111541916A (en) * | 2020-04-17 | 2020-08-14 | 海信视像科技股份有限公司 | Code stream transmission method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1642225A (en) * | 2004-11-30 | 2005-07-20 | 四川长虹电器股份有限公司 | Scintillation-free channel converting method and apparatus |
| CN1960450A (en) * | 2006-09-05 | 2007-05-09 | 中兴通讯股份有限公司 | Method and device for switching channels of multimedia broadcast |
| CN101656869A (en) * | 2008-08-21 | 2010-02-24 | 华为技术有限公司 | Method, device and system for switching channels |
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2011
- 2011-12-27 CN CN2011104442445A patent/CN103188529A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1642225A (en) * | 2004-11-30 | 2005-07-20 | 四川长虹电器股份有限公司 | Scintillation-free channel converting method and apparatus |
| CN1960450A (en) * | 2006-09-05 | 2007-05-09 | 中兴通讯股份有限公司 | Method and device for switching channels of multimedia broadcast |
| CN101656869A (en) * | 2008-08-21 | 2010-02-24 | 华为技术有限公司 | Method, device and system for switching channels |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997680A (en) * | 2014-06-06 | 2014-08-20 | 北京奇艺世纪科技有限公司 | Switching method and device of video bitstream |
| CN108156487A (en) * | 2016-12-02 | 2018-06-12 | 北京邦天信息技术有限公司 | A kind of video broadcasting method and device |
| CN111541916A (en) * | 2020-04-17 | 2020-08-14 | 海信视像科技股份有限公司 | Code stream transmission method and device |
| CN111541916B (en) * | 2020-04-17 | 2022-08-26 | 海信视像科技股份有限公司 | Code stream transmission method and device |
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Application publication date: 20130703 |