RU2020114791A - Концепция потока видеоданных - Google Patents
Концепция потока видеоданных Download PDFInfo
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Claims (15)
1. Поток видеоданных, имеющий видеоконтент, закодированный в нем, использующий предсказательное и энтропийное кодирование в единицах слайсов, на которые изображения видеоконтента пространственно подразделены, использующий порядок кодирования среди слайсов с ограничительными предсказаниями предсказательного кодирования и/или энтропийного кодирования к внутренней части фрагментов изображения, на которые изображения видеоконтента пространственно подразделены, где последовательность слайсов пакетирована в пакеты полезной нагрузки последовательности пакетов потока видеоданных в порядке кодирования, при этом последовательность пакетов подразделена на последовательность блоков доступа, так что каждый блок доступа собирает пакеты полезной нагрузки, имеющие пакетированные в нем в слайсы, относящиеся к соответствующему изображению видеоконтента, где последовательность пакетов имеет пакеты идентификации фрагмента изображения, помещенные в ней между пакетами полезной нагрузки одного блока доступа, идентифицирующие один или более фрагментов изображения, перекрытых каким-либо слайсом, пакетированным в один или более пакетов полезной нагрузки, непосредственно следующих за соответствующим пакетом идентификации фрагмента изображения в последовательности пакетов.
2. Поток видеоданных по п. 1, в котором пакеты идентификации фрагмента изображения идентифицируют один или более фрагментов изображения, перекрытых каким-либо слайсом), пакетированным в точно непосредственно следующий пакет полезной нагрузки.
3. Поток видеоданных по п. 1, в котором пакеты идентификации фрагмента изображения идентифицируют один или более фрагментов изображения, перекрытых каким-либо слайсом, пакетированным в один или более пакетов полезной нагрузки, непосредственно следующих за соответствующим пакетом идентификации фрагмента изображения в последовательности пакетов, до более раннего из окончания текущего блока доступа и следующего пакета идентификации фрагмента изображения, соответственно, в последовательности пакетов.
4. Поток видеоданных по п. 1, причем поток видеоданных является потоком видеоданных масштабируемого кодирования видео (SVC).
5. Сетевой объект, выполненный с возможностью приема потока видеоданных по любому из пп. 1-2, и идентификации, на основе пакетов идентификации фрагмента изображения, фрагментов изображения, которые перекрыты слайсами, пакетированными в один или более пакетов полезной нагрузки, непосредственно следующих за соответствующим пакетом идентификации фрагмента изображения в последовательности пакетов.
6. Сетевой объект по п. 5, в котором сетевой объект выполнен с возможностью использования результата идентификации для того, чтобы выбрать задачи передачи, относящиеся к потоку видеоданных.
7. Сетевой объект по п. 5 или 6, в котором задачи передачи содержат запросы повторной передачи, касающиеся дефектных пакетов.
8. Сетевой объект по п. 5 или 6, где сетевой объект выполнен с возможностью обработки различных фрагментов изображения с различным приоритетом посредством назначения более высокого приоритета пакетам идентификации фрагмента изображения и пакетам полезной нагрузки, непосредственно следующим за соответствующим пакетом идентификации фрагмента изображения, имеющим слайсы, пакетированные в нем, которые перекрывают фрагменты изображения, идентифицированные соответствующими пакетами идентификации фрагмента изображения, для которых приоритет выше, чем пакетам идентификации фрагмента изображения и пакетам полезной нагрузки, непосредственно следующим за соответствующим пакетом идентификации фрагмента изображения, имеющим слайсы, пакетированные в нем, которые перекрывают фрагменты изображения, идентифицированные соответствующими пакетами идентификации фрагмента изображения, для которых приоритет ниже.
9. Сетевой объект по п. 8, в котором сетевой объект выполнен с возможностью сначала запросить повторную передачу пакетов полезной нагрузки, имеющих более высокий приоритет, назначенный им, до запрашивания какой-либо повторной передачи пакетов полезной нагрузки, имеющих более низкий приоритет, назначенный им.
10. Сетевой объект по п. 5, в котором поток видеоданных является потоком видеоданных масштабируемого кодирования видео (SVC).
11. Сетевой объект по п. 5 или 10, причем сетевой объект является декодером.
12. Способ, содержащий этапы, на которых принимают поток видеоданных по любому из пп. 1-2, и идентифицируют, на основе пакетов идентификации фрагмента изображения, фрагменты изображения, которые перекрыты слайсами, пакетированными в один или более пакетов полезной нагрузки, непосредственно следующих за соответствующим пакетом идентификации фрагмента изображения в последовательности пакетов.
13. Способ по п. 12, в котором поток видеоданных является потоком видеоданных масштабируемого кодирования видео (SVC).
14. Кодер, выполненный с возможностью кодирования в поток видеоданных видеоконтент, используя предсказательное и энтропийное кодирование в единицах слайсов, на которые изображения видеоконтента пространственно подразделены, и используя порядок кодирования среди слайсов с ограничительными предсказаниями предсказательного кодирования и/или энтропийного кодирования к внутренней части фрагментов изображения, на которые изображения видеоконтента пространственно подразделены, при этом кодер выполнен с возможностью пакетировать последовательность слайсов пакетирована в пакеты полезной нагрузки последовательности пакетов потока видеоданных в порядке кодирования, при этом последовательность пакетов подразделена на последовательность блоков доступа, так что каждый блок доступа собирает пакеты полезной нагрузки, имеющие пакетированные в нем в слайсы, относящиеся к соответствующему изображению видеоконтента, причем последовательность пакетов имеет пакеты идентификации фрагмента изображения, помещенные в ней между пакетами полезной нагрузки одного блока доступа, идентифицирующие один или более фрагментов изображения, перекрытых каким-либо слайсом, пакетированным в один или более пакетов полезной нагрузки, непосредственно следующих за соответствующим пакетом идентификации фрагмента изображения в последовательности пакетов.
15. Кодер по п. 14, в котором поток видеоданных является потоком видеоданных масштабируемого кодирования видео (SVC).
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US201261666185P | 2012-06-29 | 2012-06-29 | |
US61/666,185 | 2012-06-29 |
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RU2017137234A Division RU2720534C2 (ru) | 2012-06-29 | 2013-07-01 | Концепция потока видеоданных |
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