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US 10,652,602 B2Granted
System and monitoring of video quality adaptation
AssigneeVerint Americas Inc.
InventorsGuy Shahmoon, Guy Jacubovski
Life of this patent
Estimating the term…
Abstract
Systems and method of video quality adaptation include acquiring video data to be streamed. An available bandwidth on a communications network is determined. A determined playback speed is determined based upon a bitrate of the video data to be streamed and the available bandwidth on the communications network. The video data is decoded to produce decoded video data which is encoded at the determined playback speed to produce encoded video data. The encoded video data is streamed across the communications network.
Claims20
A method of video quality adaptation, the method comprising:
- acquiring video data encoded to play at a first playback speed, a first bitrate, and a first resolution;
- receiving a user-requested playback speed;
- determining that an available bandwidth on a communications network is insufficient to stream the video data at the requested playback speed and first resolution, wherein further, the available bandwidth corresponds to a second bitrate that is less than the first bitrate, wherein the second bitrate is the current maximum bitrate the available bandwidth allows;
- calculating a second resolution that would enable the video data to stream over the communications network at the requested playback speed and at a third bitrate that is less than the second bitrate, the second resolution being less than the first resolution;
- decoding the video data;
- encoding the video data to play at the requested playback speed and the second resolution;
- streaming at the third bitrate, over the communications network, the video data encoded to play at the requested playback speed and the second resolution;
- and
- utilizing the remaining available bandwidth to stream additional video data to the remote video player at the requested playback speed and the first resolution such that the additional video data creates a buffer of video data, such that at a later time the video data played will be the buffered video data that is encoded at the requested playback speed and the first resolution.
6 more elements
A method of video quality adaptation, the method comprising:
- acquiring video data having a first playback speed and a first resolution, based on a first bitrate;
- receiving a user-requested playback speed;
- determining an available bandwidth on a communications network, the available bandwidth corresponding to a second bitrate that is less than the first bitrate, wherein the second bitrate is the current maximum bitrate the available bandwidth allows;
- calculating a second resolution that enables the video data to stream over the communications network at the requested playback speed and at a third bitrate that is less than the second bitrate, the second resolution being less than the first resolution,
- encoding the video data to play at the requested playback speed and the second resolution;
- streaming at the third bitrate, over the communications network, the video data encoded to play at the requested playback speed and the second resolution;
- and
- utilizing the remaining available bandwidth to stream additional video data at the requested playback speed and the first resolution, wherein the additional video data creates a buffer of video data, such that at a later time the video data played will be the buffered video data that is encoded at the first playback speed and the requested resolution.
5 more elements
A video streaming system with video quality adaptation, the system comprising:
- a computer readable medium upon which video data to be streamed is stored, the video data having a first playback speed and a first resolution, based on a first bitrate;
- a remote video player programmed to present streaming video data received across a communications network;
- a bandwidth monitor programmed to determine an available bandwidth across the communications network, wherein the determination includes periodic monitoring by transmitting the video data and calculating the bandwidth based on the variable time required to transmit the video data;
- and
- a processor programmed to:
- acquire the video data from the computer readable medium,
- receive, a user-requested playback speed,
- receive, from the bandwidth monitor, a second bitrate characterizing the available bandwidth, wherein the second bitrate is the current maximum bitrate the available bandwidth allows,
- calculate a second resolution that would enable the video data to stream over the communications network at a third bitrate that is less than the second bitrate and play at the requested playback speed, based on the available bandwidth,
- decode the video data,
- encode the video data to play at the requested playback speed and the second resolution,
- stream at the third bitrate, over the communications network to the remote video player, the video data encoded to play at the requested playback speed and the second resolution, and
- utilize the remaining available bandwidth to stream additional video data to the remote video player at the requested playback speed and the first resolution, wherein the additional video data creates a buffer of video data, such that at a later time the video data played will be the buffered video data that is encoded at the requested playback speed and the first resolution.
10 more elements
Dependencies are inferred from the claim text.