Program mode transition
A computing system is configured to execute a computer program on a server and to provide a video stream of the program output to a geographically remote client over a communication network. The computing system is further configured to provide executable content of the computer program to the client over the communication network in parallel with the video stream. When a sufficient amount of the executable content has been provided to the client execution of the computer program is transitioned from the server to the client. The transition optionally includes communicating a state of the computer program from the server to the client. The executable content can be provided to the client in an order that is determined based on the state of the computer program. Those parts of the executable content deemed most likely to be necessary to support game play on the client are given priority.
1. A method for transmitting game executable game content to a client computer system, comprising:
receiving a signal from a client computer system to initiate game play of executable game content provided by a server computer system, the game play of the executable game content to be processed at the client computer system;
assembling portions of the executable game content at the server computer system to optimize a download order of said portions of the executable game content;
downloading a portion of executable game content from the server computer system to the client computer system in the download order to enable initiation of game content execution at the client computer system;
executing downloaded game content at the client computer system to generate game video at the client computer system for display at the client computer system;
receiving game state information at the server computer system from the client computer system;
updating the download order so that a next download portion of executable game content is transmitted from the server computer system to the client computer system, the next download portion of executable game content determined in part on the game state;
continuing to download portions of executable game content from the server computer system to the client computer system in accordance with the download order; and
upon determining that the executable game content on the client computer system is not sufficient to ensure non-interrupted game content execution at the client computer system, transmitting the next download portion of executable game content from the server computer system to the client computer system at an increased download rate.
2. The method as recited in claim 1 , further comprising:
monitoring a bandwidth of a communication channel between the server computer system and the client computer system; and
using the bandwidth to determine a download rate for the next download portion of executable game content.
3. The method as recited in claim 2 , wherein the bandwidth is monitored by measuring a network latency.
4. The method as recited in claim 2 , wherein the next download portion of executable game content is determined in part on a probability of the game play continuing from the game state through the next download portion of executable game content.
5. The method as recited in claim 1 , wherein the signal is generated in response to a button push at the client computer system.
6. The method as recited in claim 1 , wherein the next download portion of executable game content is based in part on a probability of transitioning from a current game state to a possible next game state.
7. The method as recited in claim 1 , wherein the next download portion of executable game content is selected to ensure non-interrupted game content execution at the client computer system.
8. The method as recited in claim 1 , wherein the executable game content at the client computer system is supplemented by the next download portion of executable game content transmitted from the server computer system to the client computer system.
9. The method as recited in claim 1 , wherein data defining a current game state is periodically received at the server computer system from either the client computer system or from a game server connected to monitor and record the current game state present on the client computer system.
10. The method as recited in claim 1 , further comprising:
receiving current game state information at the server computer system from the client computer system;
determining possible subsequent game states that can occur from the current game state;
determining probabilities of occurrence for the possible subsequent game states;
generating a dynamic download prioritization for segments of the game logic of the computer game corresponding to the possible subsequent game states based on the probabilities of occurrence for the possible subsequent game states; and
updating the download order based on the dynamic download prioritization for segments of the game logic of the computer game.
11. The method as recited in claim 1 , further comprising:
upon determining that the executable game content on the client computer system is not sufficient to ensure non-interrupted game content execution at the client computer system, executing game content on the server computer system from a current game state to generate game video of the computer game at the server computer system;
generating a video stream of the game video at the server computer system; and
transmitting the video stream from the server computer system to the client computer system for display at the client computer system.
12. The method as recited in claim 11 , further comprising:
continuing to download portions of executable game content from the server computer system to the client computer system in accordance with the download order in conjunction with transmitting the video stream from the server computer system to the client computer system for display at the client computer system.
13. The method as recited in claim 11 , further comprising:
processing the video stream through an encoder at the server computer system prior to transmitting the video stream from the server computer system to the client computer system, the encoder compatible with a decoder present at the client computer system.