Dynamic control method for video encoder
A technology of video encoder and dynamic control, applied in color TV parts, TV system parts, digital video signal modification and other directions, can solve the problems of frame rate reduction, time difference, time difference, etc. speed, the effect of avoiding frame drops or errors
Inactive Publication Date: 2008-05-21
INSPUR LG DIGITAL MOBILE COMMUNICATIONS CO LTD
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Moreover, when the above-mentioned encoding time exceeds the next input start time of the camera buffer, the image data input to the camera buffer cannot be started. different
[0011] Therefore, the above-mentioned sleep time causes the frame rate to decrease, or the data encoding that is not the same in time causes dropped frames or erroneous pictures
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[0025] The invention provides a dynamic control method of a video encoder. The dynamic control method of the video encoder in the present invention will be described in detail below with reference to the accompanying drawings.
[0026] image 3 is a configuration diagram of a mobile communication terminal employing the present invention as an embodiment of the present invention.
[0027] As shown in the figure, it includes the following parts: an image input unit 301, which is used to input dynamic images from a camera installed in a mobile communication terminal; Encode and store image data; Encoder 303 reads the image data stored in camera buffer 302 and encodes; Control unit 304 is used to control camera buffer 302 and encoder 303; The moving picture data processed in the encoder 303 is displayed on an LCD or the like under the control of the control unit 304; the memory unit 306 stores the moving picture data processed in the encoder 303 under the control of the control ...
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A method for dynamically controlling a video encoder is provided to prevent a picture from misframing or being broken, and increase a frame rate by making the utmost use of resources, thereby encoding a moving picture whose motion is natural. Image data received from a camera is inputted to a camera buffer. When the camera buffer is filled with a predetermined buffering amount of the image data, encoding starts in an encoder. The predetermined buffering amount is smaller than a buffering amount which fills in the camera buffer. A real encoding time is monitored and thereby an encoding time of waiting data in the camera buffer is predicted. Based on the predicted data encoding time of the camera buffer, data is inputted to the camera buffer before encoding of the encoder ends. The encoding time is predicted by a line unit of the camera buffer.
Description
technical field [0001] The present invention belongs to the technical scope of video encoding control, and more specifically relates to a dynamic control method of a video encoder for dynamically controlling the encoding operation when encoding dynamic images in the video encoder. Background technique [0002] With the continuous development of digital technology, the camera installed in the mobile communication terminal can be easily carried anytime and anywhere for simple shooting, and at the same time, the captured photos can be sent to others by e-mail, so the demand of its users has also increased dramatically. The needs of the above-mentioned users drive the technical development of mobile communication terminals, and are related to the needs of digital cameras and digital camcorders. [0003] The cameras, digital cameras, and digital camcorders installed in the above-mentioned mobile communication terminals can not only take photos, but also include the function of sh...
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IPC IPC(8): H04N5/91H04N5/92
CPCH04N19/503
Inventor 金真熙
Owner INSPUR LG DIGITAL MOBILE COMMUNICATIONS CO LTD