TECHNIQUES TO DYNAMICALLY ENGAGE AN ALL-INTRA-CODED MODE FOR STREAMING VIDEO ENCODING

1 . At least one non-transitory computer-readable storage medium comprising instructions that, when executed, cause a system to:

encode a video stream at a sending device for playback in normal playback mode at a receiving device, the video stream configured to use both intra-coded frames and predictive frames;

send the video stream from the sending device to the receiving device;

receive network performance information for the video stream, the network performance information including metrics associated with the transmission or reception of the video stream;

determine, based on the received network performance data, to activate an all-intra-coded mode;

encode the video stream using exclusively intra-coded frames while in all-intra-coded mode; and

send the video stream encoded in all-intra-coded mode from the sending device to the receiving device.

2 . The non-transitory computer-readable storage medium of claim 1 , comprising further instructions that, when executed, cause a system to:

encode the video stream in the all-intra-coded mode where the network performance information indicates a packet loss rate above a predefined packet loss threshold.

3 . The non-transitory computer-readable storage medium of claim 2 , comprising further instructions that, when executed, cause a system to:

receive subsequent network performance information to sending the video stream from the sending device to the receiving device using the all-intra-coded mode; and

deactivate the all-intra-coded mode based on the subsequent network performance information where the subsequent network performance information indicates a subsequent packet loss rate below the predefined packet loss threshold.

4 . The non-transitory computer-readable storage medium of claim 1 , the video stream comprising a plurality of video frames, comprising further instructions that, when executed, cause a system to:

encode the video stream in the all-intra-coded mode where each of the plurality of video frames of the video stream can be fit into individual network packets.

5 . The non-transitory computer-readable storage medium of claim 4 , comprising further instructions that, when executed, cause a system to:

set a video bitrate for the video stream to a video bitrate value such that each of the plurality of video frames of the video stream can be fit into the individual network packets in response to the network performance information.

6 . The non-transitory computer-readable storage medium of claim 1 , the video stream comprising a plurality of video frames, wherein each of the plurality of video frames is no more than a maximum transfer unit in size for a network connection used in sending the video stream from the sending device to the receiving device, comprising further instructions that, when executed, cause a system to:

encode the video stream in the all-intra-coded mode based on each of the plurality of video frames being no more than the maximum transfer unit in size for the network connection for sending the video stream from the sending device to the receiving device.

7 . The non-transitory computer-readable storage medium of claim 1 , the video stream comprising a plurality of video frames, wherein each of the plurality of video frames is no more than twice a maximum transfer unit in size for a network connection used in sending the video stream from the sending device to the receiving device, comprising further instructions that, when executed, cause a system to:

encode the video stream in the all-intra-coded mode based on each of the plurality of video frames being no more than twice the maximum transfer unit in size for the network connection for sending the video stream from the sending device to the receiving device.

8 . The non-transitory computer-readable storage medium of claim 1 , comprising further instructions that, when executed, cause a system to:

encode the video stream in the all-intra-coded mode with frame redundancy deactivated where each of the plurality of video frames of the video stream can be fit into individual network packets.

9 . An apparatus, comprising:

an encoding configuration component operative to:

receive network performance information for a video stream at a sending device, the network performance information including metrics associated with the transmission or reception of the video stream; and

activate an all-intra-coded mode for a media component based on the network performance information;

the media component operative to encode the video stream using exclusively intra-coded frames in the all-intra-coded mode for playback in normal playback mode at a receiving device; and

a network component operative to send the video stream encoded in all-intra-coded mode from the sending device to a receiving device.

10 . The apparatus of claim 9 , further comprising:

the media component operative to encode the video stream in the all-intra-coded mode where the network performance information indicates a packet loss rate above a predefined packet loss threshold.

11 . The apparatus of claim 10 , further comprising:

the encoding configuration component operative to receive subsequent network performance information to sending the video stream from the sending device to the receiving device using the all-intra-coded mode; and deactivate the all-intra-coded mode based on the subsequent network performance information where the subsequent network performance information indicates a subsequent packet loss rate below the predefined packet loss threshold.

12 . The apparatus of claim 9 , the video stream comprising a plurality of video frames, further comprising:

the encoding configuration component operative to activate the all-intra-coded mode where each of the plurality of video frames of the video stream can be fit into individual network packets.

13 . The apparatus of claim 12 , further comprising:

the encoding configuration component operative to set a video bitrate for the video stream to a video bitrate value such that each of the plurality of video frames of the video stream can be fit into the individual network packets in response to the network performance information.

14 . The apparatus of claim 9 , the video stream comprising a plurality of video frames, wherein each of the plurality of video frames is no more than a maximum transfer unit in size for a network connection used in sending the video stream from the sending device to the receiving device, further comprising:

the encoding configuration component operative to activate the all-intra-coded mode based on each of the plurality of video frames being no more than the maximum transfer unit in size for the network connection for sending the video stream from the sending device to the receiving device.

15 . The apparatus of claim 9 , the video stream comprising a plurality of video frames, wherein each of the plurality of video frames is no more than twice a maximum transfer unit in size for a network connection used in sending the video stream from the sending device to the receiving device, further comprising:

the encoding configuration component operative to activate the all-intra-coded mode based on each of the plurality of video frames being no more than twice the maximum transfer unit in size for the network connection for sending the video stream from the sending device to the receiving device.

16 . The apparatus of claim 9 , further comprising:

the encoding configuration component operative to activate the all-intra-coded mode with frame redundancy deactivated where each of the plurality of video frames of the video stream can be fit into individual network packets.

17 . A computer-implemented method, comprising:

receiving a video stream at a server device from a sending device, the video stream generated at the sending device;

sending the video stream to a receiving device;

receiving the video stream from the sending device in an all-intra-coded mode based on network performance information, wherein the video stream uses exclusively intra-coded frames in the all-intra-coded mode; and

sending the video stream to the receiving device, the video stream using the all-intra-coded mode;

wherein the network performance information includes metrics associated with the transmission or reception of the video stream.

18 . The method of claim 17 , the video stream comprising a plurality of video frames, the video stream encoded in the all-intra-coded mode where each of the plurality of video frames of the video stream can be fit into individual network packets and where the network performance information indicates a packet loss rate above a predefined packet loss threshold.

19 . The method of claim 17 , the video stream comprising a plurality of video frames, wherein each of the plurality of video frames is no more than twice a maximum transfer unit in size for a network connection used in sending the video stream from the sending device to the receiving device, the video stream encoded in the all-intra-coded mode based on each of the plurality of video frames being no more than twice the maximum transfer unit in size for the network connection for sending the video stream from the sending device to the receiving device.

20 . The method of claim 17 , the video stream encoded in the all-intra-coded mode with frame redundancy deactivated where each of the plurality of video frames of the video stream can be fit into individual network packets.