Adjusting encoding frame size based on available network bandwith

1. A method comprising:

performing a first operation to determine, at a coder, a coding rate of media data based on a bandwidth associated with transmission of the media data, wherein first operation is performed to determine whether to increase the coding rate;

determining a coding size associated with the media data based on the coding rate not satisfying a first threshold;

performing a second operation to change the coding rate based on the bandwidth, wherein performing the second operation comprises increasing the coding rate after performing the first operation; and

changing the coding size based on the coding rate not satisfying a second threshold, the second threshold differing from the first threshold, wherein at least one of the first threshold or the second threshold is associated with a window size, and wherein the coding size is increased from a first frame size to a second frame size in response to the coding rate rising above the first threshold.

2. The method of claim 1 , wherein the first threshold is based further on a bit rate threshold, and further comprising reducing the coding rate in response to an indication of available bandwidth.

3. The method of claim 2 , further comprising reducing an encoding frame size in response to the coding rate falling below a third threshold, the third threshold less than the first threshold.

4. The method of claim 3 , wherein the encoding frame size is reduced from a third frame size to the first frame size in response to the coding rate falling below the third threshold.

5. The method of claim 3 , wherein the third threshold and the first threshold are based on a bit rate threshold and the window size, and wherein the bit rate threshold corresponds to a midpoint between the third threshold and the first threshold.

6. The method of claim 5 , wherein the window size corresponds to a difference between the first threshold and the third threshold.

7. The method of claim 3 , wherein an amount of encoded data in a write buffer exceeding a first backlog threshold corresponds to the indication of available bandwidth.

8. The method of claim 7 , wherein the amount of encoded data in the write buffer falling below a second backlog threshold corresponds to a second indication of available bandwidth.

9. The method of claim 1 , further comprising transmitting a stream of encoded data to a remote device over a network connection.

10. A device comprising a coder, the coder configured to:

perform a first operation to determine a coding rate of media data based on a bandwidth associated with transmission of the media data, wherein first operation is performed to determine whether to increase the coding rate;

determine a coding size associated with the media data based on the coding rate not satisfying a first threshold;

perform a second operation to change the coding rate based on the bandwidth, wherein performing the second operation comprises increasing the coding rate after performing the first operation; and

change the coding size based on the coding rate not satisfying a second threshold, the second threshold different than the first threshold, wherein at least one of the first threshold or the second threshold is associated with a window size, and wherein the coding size is increased from a first frame size to a second frame size in response to the coding rate rising above the first threshold.

11. The device of claim 10 , further comprising a write buffer coupled to the coder, wherein an amount of coded data in the write buffer corresponds to an indication of available bandwidth.

12. The device of claim 11 , further comprising a network interface configured to transmit a stream of the coded data from the write buffer to a remote device.

13. The device of claim 10 , wherein the coder includes a frame size selector configured to select a frame size based on a comparison of the coding rate to one or more bit rate thresholds.

14. The device of claim 13 , wherein the coder further:

is configured to:

reduce an encoding bit rate in response to an indication of available bandwidth; and

reduce an encoding frame size in response to the encoding bit rate falling below a third threshold that is less than the first threshold; and

includes a bit rate threshold generator configured to determine the third threshold and the first threshold based on a bit rate threshold and the window size.

15. A computer-readable storage device storing instructions that, when executed by a processor, cause the processor to initiate or perform operations comprising:

performing a first operation to determine a coding rate of media data based on a bandwidth associated with transmission of the media data, wherein first operation is performed to determine whether to increase the coding rate;

determining a coding size associated with the media data based n the coding rate not satisfying a first threshold;

performing a second operation to change the coding rate based on the bandwidth, wherein performing the second operation comprises increasing the coding rate after performing the first operation; and

changing the coding size based on the coding rate not satisfying a second threshold, the second threshold different than the first threshold, wherein at least one of the first threshold or the second threshold is associated with a window size, and wherein the coding size is increased from a first frame size to a second frame size in response to the coding rate rising above the first threshold.

16. The computer-readable storage device of claim 15 , wherein the operations include transmitting a stream of encoded data to a remote device over a network connection.

17. The computer-readable storage device of claim 15 , wherein the instructions when executed further cause the processor to:

reduce the coding size in response to the coding rate falling below a third threshold; and

increase the coding size in response to the coding rate rising above the first threshold.

18. The computer-readable storage device of claim 15 , wherein the operations further include:

reducing the coding rate in response to an indication of available bandwidth; and

reducing an encoding frame size in response to the coding rate falling below a third threshold, the third threshold less than the first threshold.

19. The computer-readable storage device of claim 18 , wherein the indication of available bandwidth corresponds to an amount of encoded data in a write buffer exceeding a first backlog threshold.