RU2011142772A - Система и способ выбора формата кодирования видео на основе данных обратной связи - Google Patents

Система и способ выбора формата кодирования видео на основе данных обратной связи Download PDF

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RU2011142772A
RU2011142772A RU2011142772/07A RU2011142772A RU2011142772A RU 2011142772 A RU2011142772 A RU 2011142772A RU 2011142772/07 A RU2011142772/07 A RU 2011142772/07A RU 2011142772 A RU2011142772 A RU 2011142772A RU 2011142772 A RU2011142772 A RU 2011142772A
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Russia
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parts
frames
encoding
client device
video frames
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RU2011142772/07A
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Стефен Г. ПЕРЛМАН
ДЕР ЛАН Роджер ВАН
Тимоти КОТТЕР
Скотт ФЕРМАН
Роберт МАККУЛ
Ян БАКЛИ
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Онлайв, Инк.
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Publication of RU2011142772A publication Critical patent/RU2011142772A/ru

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  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

1. Машинореализуемый способ выполнения сжатия видео, содержащий:кодирование множества видеокадров или их частей согласно первому формату кодирования,передачу этого множества закодированных видеокадров или частей в клиентское устройство,прием информации обратной связи из клиентского устройства, причем эту информацию обратной связи можно использовать для определения того, успешно ли приняты и/или декодированы данные, содержащиеся в упомянутых видеокадрах или частях,в ответ на выявление того, что один или несколько видеокадров или их частей не были успешно приняты и/или декодированы:(1) если количество видеокадров или их частей, которые не были успешно приняты и/или декодированы превышает заданный порог, то кодирование нового видеокадра или его части согласно второму формату кодирования, причем этот второй формат кодирования содержит формат, который не зависит от ранее переданных видеокадров или их частей, или(2) если количество видеокадров или их частей, которые не были успешно приняты и/или декодированы ниже заданного порога, то кодирование нового видеокадра или его части согласно первому формату кодирования, причем этот новый видеокадр кодируется с зависимостью от последнего видеокадра или его части, о которых известно, что они успешно приняты, ипередачу упомянутого нового видеокадра или его части в клиентское устройство.2. Способ по п.1, также содержащийопределение времени ожидания, связанного с обменом информацией с клиентским устройством, и(1) если время ожидания превышает заданный порог, то кодирование нового видеокадра или его части согласно второму формату кодирования, причем этот второй формат

Claims (21)

1. Машинореализуемый способ выполнения сжатия видео, содержащий:
кодирование множества видеокадров или их частей согласно первому формату кодирования,
передачу этого множества закодированных видеокадров или частей в клиентское устройство,
прием информации обратной связи из клиентского устройства, причем эту информацию обратной связи можно использовать для определения того, успешно ли приняты и/или декодированы данные, содержащиеся в упомянутых видеокадрах или частях,
в ответ на выявление того, что один или несколько видеокадров или их частей не были успешно приняты и/или декодированы:
(1) если количество видеокадров или их частей, которые не были успешно приняты и/или декодированы превышает заданный порог, то кодирование нового видеокадра или его части согласно второму формату кодирования, причем этот второй формат кодирования содержит формат, который не зависит от ранее переданных видеокадров или их частей, или
(2) если количество видеокадров или их частей, которые не были успешно приняты и/или декодированы ниже заданного порога, то кодирование нового видеокадра или его части согласно первому формату кодирования, причем этот новый видеокадр кодируется с зависимостью от последнего видеокадра или его части, о которых известно, что они успешно приняты, и
передачу упомянутого нового видеокадра или его части в клиентское устройство.
2. Способ по п.1, также содержащий
определение времени ожидания, связанного с обменом информацией с клиентским устройством, и
(1) если время ожидания превышает заданный порог, то кодирование нового видеокадра или его части согласно второму формату кодирования, причем этот второй формат кодирования содержит формат, который не зависит от ранее переданных видеокадров или их частей, или
(2) если время ожидания ниже заданного порога, то кодирование нового видеокадра или его части согласно первому формату кодирования, причем этот новый видеокадр кодируется с зависимостью от последнего видеокадра или его части, о которых известно, что они успешно приняты, или их частей.
3. Способ по п.2, в котором кадры или их части содержат P-кадры или P-фрагменты, соответственно, когда закодированы согласно первому формату кодирования, и в котором закодированные кадры или их части содержат I-кадры или I-фрагменты, соответственно, когда закодированы согласно второму формату кодирования.
4. Способ по п.1, в котором информация обратной связи содержит указание на то, что кадры или их части успешно приняты и/или декодированы в клиентском устройстве.
5. Способ по п.1, в котором информация обратной связи содержит указание на то, что кадры или их части не были успешно приняты и/или декодированы в клиентском устройстве.
6. Способ по п.1, в котором видеокадры содержат образы видеоигры, воспроизводимой в клиентском устройстве.
7. Способ по п.1, также содержащий:
декодирование закодированных видеокадров или их частей в клиентском устройстве, и
вывод образов, связанных с каждым из упомянутых видеокадров или их частей, на экран дисплея на клиентском устройстве.
8. Система, содержащая память для хранения программного кода и процессор для обработки этого программного кода для выполнения операций:
кодирования множества видеокадров или их частей согласно первому формату кодирования,
передачи этого множества закодированных видеокадров или частей в клиентское устройство,
приема информации обратной связи из клиентского устройства, причем эту информацию обратной связи можно использовать для определения того, успешно ли приняты и/или декодированы данные, содержащиеся в упомянутых видеокадрах или частях,
в ответ на выявление того, что один или несколько видеокадров или их частей не были успешно приняты и/или декодированы определяют количество видеокадров или их частей, которые не были успешно приняты и/или декодированы и:
(1) если количество видеокадров или их частей, которые не были успешно приняты и/или декодированы, превышает заданный порог, то кодирование нового видеокадра или его части согласно второму формату кодирования, причем этот второй формат кодирования содержит формат, который не зависит от ранее переданных видеокадров или их частей; или
(2) если количество видеокадров или их частей, которые не были успешно приняты и/или декодированы ниже заданного порога, то кодирование нового видеокадра или его части согласно первому формату кодирования, причем этот новый видеокадр кодируется с зависимостью от последнего видеокадра или его части, о которых известно, что они успешно приняты, и
передачу упомянутого нового видеокадра или его части в клиентское устройство.
9. Система по п.8, в которой процессор обрабатывает программный код для определения времени ожидания, связанного с обменом информацией с клиентским устройством, и
(1) если время ожидания превышает заданный порог, то кодирование нового видеокадра или его части согласно второму формату кодирования, причем этот второй формат кодирования содержит формат, который не зависит от ранее переданных видеокадров или их частей, или
(2) если время ожидания ниже заданного порога, то кодирование нового видеокадра или его части согласно первому формату кодирования, причем этот новый видеокадр кодируется с зависимостью от последнего видеокадра или его части, о которых известно, что они успешно приняты.
10. Система по п.9, в которой кадры или их части содержат P-кадры или P-фрагменты, соответственно, когда закодированы согласно первому формату кодирования, и в которой закодированные кадры или их части содержат I-кадры или I-фрагменты, соответственно, когда закодированы согласно второму формату кодирования.
11. Система по п.8, в которой информация обратной связи содержит указание на то, что кадры или их части успешно приняты и/или декодированы в клиентском устройстве.
12. Система по п.8, в которой информация обратной связи содержит указание на то, что кадры или их части не были успешно приняты и/или декодированы в клиентском устройстве.
13. Система по п.8, в которой видеокадры содержат образы видеоигры, воспроизводимой в клиентском устройстве.
14. Система по п.8, содержащая дополнительный программный код для вызова выполнения процессором операций:
декодирования закодированных видеокадров или их частей в клиентском устройстве, и
вывода образов, связанных с каждым из упомянутых видеокадров или их частей, на экран дисплея на клиентском устройстве.
15. Машиночитаемый носитель информации, содержащий программный код, хранящийся на нем, который, когда исполняется вычислительной машиной, вызывает выполнение этой вычислительной машиной операций:
кодирования множества видеокадров или их частей согласно первому формату кодирования,
передачи этого множества закодированных видеокадров или частей в клиентское устройство,
приема информации обратной связи из клиентского устройства, причем эту информацию обратной связи можно использовать для определения того, успешно ли приняты и/или декодированы данные, содержащиеся в упомянутых видеокадрах или частях,
в ответ на выявление того, что один или несколько видеокадров или их частей не были успешно приняты и/или декодированы определяют количество видеокадров или их частей, которые не были успешно приняты и/или декодированы и:
(1) если количество видеокадров или их частей, которые не были успешно приняты и/или декодированы, превышает заданный порог, то кодирование нового видеокадра или его части согласно второму формату кодирования, причем этот второй формат кодирования содержит формат, который не зависит от ранее переданных видеокадров или их частей, или
(2) если количество видеокадров или их частей, которые не были успешно приняты и/или декодированы ниже заданного порога, то кодирование нового видеокадра или его части согласно первому формату кодирования, причем этот новый видеокадр кодируется с зависимостью от последнего видеокадра или его части, о которых известно, что они успешно приняты, и
передачу упомянутого нового видеокадра или его части в клиентское устройство.
16. Машиночитаемый носитель информации по п.15, также содержащий программный код для определения времени ожидания, связанного с обменом информацией с клиентским устройством, и
(1) если время ожидания превышает заданный порог, то кодирование нового видеокадра или его части согласно второму формату кодирования, причем этот второй формат кодирования содержит формат, который не зависит от ранее переданных видеокадров или их частей, или
(2) если время ожидания ниже заданного порога, то кодирование нового видеокадра или его части согласно первому формату кодирования, причем этот новый видеокадр кодируется с зависимостью от последнего видеокадра или его части, о которых известно, что они успешно приняты.
17. Машиночитаемый носитель информации по п.16, в котором кадры или их части содержат P-кадры или P-фрагменты, соответственно, когда закодированы согласно первому формату кодирования, и в котором кадры или их части содержат I-кадры или I-фрагменты, соответственно, когда закодированы согласно второму формату кодирования.
18. Машиночитаемый носитель информации по п.15, в котором информация обратной связи содержит указание на то, что кадры или их части успешно приняты и/или декодированы в клиентском устройстве.
19. Машиночитаемый носитель информации по п.15, в котором информация обратной связи содержит указание на то, что кадры или их части не были успешно приняты и/или декодированы в клиентском устройстве.
20. Машиночитаемый носитель информации по п.15, в котором видеокадры содержат образы видеоигры, воспроизводимой в клиентском устройстве.
21. Машиночитаемый носитель информации по п.15, содержащий дополнительный программный код для вызова выполнения вычислительной машиной операций:
декодирования закодированных видеокадров или их частей в клиентском устройстве, и
вывода изображений, связанных с каждым из упомянутых видеокадров или их частей, на экран дисплея на клиентском устройстве.
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