{"id":812,"date":"2019-10-11T20:13:22","date_gmt":"2019-10-11T16:43:22","guid":{"rendered":"https:\/\/behnudi.ir\/?p=812"},"modified":"2024-08-25T14:50:34","modified_gmt":"2024-08-25T11:20:34","slug":"video-frame-types","status":"publish","type":"post","link":"https:\/\/behnudi.ir\/?p=812","title":{"rendered":"\u0627\u0646\u0648\u0627\u0639 \u0641\u0631\u06cc\u0645\u200c\u0647\u0627 \u062f\u0631 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc \u0648\u06cc\u062f\u06cc\u0648\u06cc\u06cc"},"content":{"rendered":"

\u0628\u0647 \u0647\u0646\u06af\u0627\u0645 \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u0648\u06cc\u062f\u06cc\u0648\u06cc\u06cc \u0647\u0631 \u06cc\u06a9 \u0641\u0631\u06cc\u0645 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0631\u0648\u0634 \u06cc\u0627 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0647\u0627\u06cc \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0641\u0634\u0631\u062f\u0647 \u0634\u0648\u062f\u060c \u06a9\u0647 \u0647\u0631 \u06cc\u06a9 \u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u062f.
\n\u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u0646 \u0628\u0647 \u062d\u062f\u0627\u0642\u0644 \u062d\u062c\u0645 \u0648 \u062d\u062f\u0627\u06a9\u062b\u0631 \u06a9\u06cc\u0641\u06cc\u062a \u0627\u0632 \u062a\u0631\u06a9\u06cc\u0628 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n

\u0633\u0647 \u0646\u0648\u0639 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0627\u0635\u0644\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f (I \u0648 P \u0648 B) \u0648 \u0647\u0631 \u0641\u0631\u06cc\u0645 \u0628\u0647 \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0633\u0647 \u0631\u0648\u0634 \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u0628\u0647 \u0647\u0645\u0627\u0646 \u0646\u0648\u0639 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f:<\/p>\n

\u0646\u0648\u0639 \u0627\u0648\u0644: I-frame<\/strong> \u06a9\u0645\u062a\u0631\u06cc\u0646 \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc \u0631\u0627 \u0628\u0647 \u0646\u0633\u0628\u062a \u0627\u0646\u0648\u0627\u0639 \u062f\u06cc\u06af\u0631 \u062f\u0627\u0631\u062f\u060c \u0627\u0645\u0627 \u0628\u0647 \u0641\u0631\u06cc\u0645 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0628\u0631\u0627\u06cc \u0631\u0645\u0632\u06af\u0634\u0627\u06cc\u06cc \u0646\u06cc\u0627\u0632\u06cc \u0646\u062f\u0627\u0631\u062f. \u0628\u0647 \u0627\u06cc\u0646 \u0641\u0631\u06cc\u0645 Key-frame<\/strong> \u0646\u06cc\u0632 \u0645\u06cc\u200c\u06af\u0648\u06cc\u0646\u062f.<\/p>\n

\u0646\u0648\u0639 \u062f\u0648\u0645:\u00a0P-frame<\/strong>\u00a0\u0627\u0632 \u0646\u0648\u0639 \u0627\u0648\u0644 \u062d\u062c\u0645 \u06a9\u0645\u062a\u0631\u06cc \u0628\u0647 \u062e\u0648\u062f \u0627\u062e\u062a\u0635\u0627\u0635 \u0645\u06cc\u200c\u062f\u0647\u062f \u0627\u0645\u0627 \u0628\u0631\u0627\u06cc \u0631\u0645\u0632\u06af\u0634\u0627\u06cc\u06cc \u0628\u0647 \u0641\u0631\u06cc\u0645\u200c\u0647\u0627\u06cc \u0642\u0628\u0644\u06cc \u062e\u0648\u062f \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f.<\/p>\n

\u0646\u0648\u0639 \u0633\u0648\u0645:\u00a0B-frame<\/strong>\u00a0\u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc \u0631\u0627 \u062f\u0627\u0631\u062f \u0648\u0644\u06cc \u0628\u0631\u0627\u06cc \u0631\u0645\u0632\u06af\u0634\u0627\u06cc\u06cc \u0628\u0647 \u0641\u0631\u06cc\u0645\u200c\u0647\u0627\u06cc \u0642\u0628\u0644\u06cc \u0648 \u0628\u0639\u062f\u06cc \u062e\u0648\u062f \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f.<\/p>\n

\u062f\u0631 \u0641\u0634\u0631\u062f\u0647\u200c\u0633\u0627\u0632\u06cc H.264\/MPEG-4 AVC<\/strong> \u0627\u0628\u062a\u062f\u0627 \u0647\u0631 \u0641\u0631\u06cc\u0645 \u0631\u0627 \u0628\u0647 \u0645\u0631\u0628\u0639 \u0647\u0627\u06cc 8×8 \u067e\u06cc\u06a9\u0633\u0644\u06cc \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0648 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0622\u0646\u0647\u0627 \u0631\u0627 \u0646\u0633\u0628\u062a \u0628\u0647 \u0641\u0631\u06cc\u0645 \u0642\u0628\u0644\u06cc \u0648 \u06cc\u0627 \u0628\u0639\u062f\u06cc \u0645\u0634\u0627\u0647\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n

\"\"<\/p>\n

\u0627\u06af\u0631 \u0628\u062f\u0648\u0646 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0641\u0631\u06cc\u0645\u200c\u0647\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0628\u0647 \u062a\u0646\u0647\u0627\u06cc\u06cc \u0628\u0647 \u0631\u0648\u0634 JPEG \u06cc\u0627 \u0645\u0634\u0627\u0628\u0647 \u0622\u0646 \u0641\u0634\u0631\u062f\u0647 \u0634\u0648\u062f\u060c I-frame \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.(Intra-coded frame)
\n\u0627\u06af\u0631 \u062a\u0646\u0647\u0627 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0622\u0646 \u0641\u0631\u06cc\u0645 \u0628\u0627 I-frame \u0642\u0628\u0644\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0634\u0648\u062f P-frame \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.(Predicted frame)
\n\u0648 \u0627\u06af\u0631 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0622\u0646 \u0646\u0633\u0628\u062a \u0628\u0647 I-frame \u0648 \u06cc\u0627 P-frame \u0642\u0628\u0644\u06cc \u0648 \u0628\u0639\u062f\u06cc \u062b\u0628\u062a \u06af\u0631\u062f\u062f B-frame \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.(Bi-directional predicted frame)<\/p>\n

\u0628\u0647 \u062a\u0639\u062f\u0627\u062f \u0641\u0631\u06cc\u0645\u200c\u0647\u0627\u06cc \u0628\u06cc\u0646 \u062f\u0648 I-frame \u06cc\u06a9 GOP \u0645\u06cc\u200c\u06af\u0648\u06cc\u0646\u062f. (\u0670Group Of Pictures) \u0645\u0642\u062f\u0627\u0631GOP\u00a0\u06af\u0627\u0647\u06cc \u062f\u0631 \u0637\u0648\u0644 \u0645\u062f\u062a \u0648\u06cc\u062f\u06cc\u0648 \u062b\u0627\u0628\u062a \u0627\u0633\u062a. (\u0645\u062b\u0644\u0627 \u0647\u0631 \u06f1\u06f5 \u0641\u0631\u06cc\u0645 \u06cc\u06a9\u0628\u0627\u0631 \u06cc\u06a9 I-frame \u0645\u06cc \u0622\u06cc\u062f) \u0648 \u06af\u0627\u0647\u06cc \u0645\u062a\u063a\u06cc\u0631 \u0627\u0633\u062a \u0648 \u0628\u0647 \u0646\u0633\u0628\u062a \u0645\u06cc\u0632\u0627\u0646 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u06a9\u0645 \u0648 \u0632\u06cc\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n

\u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0647 \u0637\u0648\u0631 \u062a\u0635\u0627\u062f\u0641\u06cc \u0628\u0647 \u0647\u0631 \u0632\u0645\u0627\u0646 \u0627\u0632 \u0648\u06cc\u062f\u06cc\u0648 \u0645\u0646\u062a\u0642\u0644 \u0634\u0648\u06cc\u062f \u0628\u0627\u06cc\u062f \u0645\u0642\u062f\u0627\u0631 GOP \u06a9\u0648\u0686\u06a9 \u0627\u0646\u062a\u062e\u0627\u0628 \u0634\u0648\u062f. \u0686\u0648\u0646 \u0647\u0645\u06cc\u0634\u0647 \u0648\u06cc\u062f\u06cc\u0648 \u0627\u0632 I-frame \u0642\u0627\u0628\u0644 \u067e\u062e\u0634 \u0627\u0633\u062a.<\/p>\n

\u0648 \u062f\u0631\u0635\u0648\u0631\u062a \u0646\u0628\u0648\u062f\u0646 I-frame \u0648\u06cc\u062f\u06cc\u0648 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u067e\u062e\u0634 \u0646\u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0648\u06cc\u062f\u06cc\u0648 I-frame \u0647\u0627 \u0639\u0645\u062f\u0627 \u062d\u0630\u0641 \u0634\u062f\u0647 \u062a\u0627 \u0627\u0647\u0645\u06cc\u062a \u0646\u0642\u0634 \u0622\u0646 \u0631\u0627 \u0645\u062a\u0648\u062c\u0647 \u0634\u0648\u06cc\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u0628\u0647 \u0647\u0646\u06af\u0627\u0645 \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u0648\u06cc\u062f\u06cc\u0648\u06cc\u06cc \u0647\u0631 \u06cc\u06a9 \u0641\u0631\u06cc\u0645 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0631\u0648\u0634 \u06cc\u0627 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0647\u0627\u06cc \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0641\u0634\u0631\u062f\u0647 \u0634\u0648\u062f\u060c \u06a9\u0647 \u0647\u0631 \u06cc\u06a9 \u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u062e\u0648\u062f \u0631\u0627 \u062f\u0627\u0631\u062f. \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u0646 \u0628\u0647 \u062d\u062f\u0627\u0642\u0644 \u062d\u062c\u0645 \u0648 \u062d\u062f\u0627\u06a9\u062b\u0631 \u06a9\u06cc\u0641\u06cc\u062a \u0627\u0632 \u062a\u0631\u06a9\u06cc\u0628 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n","protected":false},"author":1,"featured_media":813,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"video","meta":{"footnotes":""},"categories":[20],"tags":[52,22],"class_list":["post-812","post","type-post","status-publish","format-video","has-post-thumbnail","hentry","category-computer-science","tag-multimedia","tag-video","post_format-post-format-video"],"_links":{"self":[{"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/posts\/812","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/behnudi.ir\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=812"}],"version-history":[{"count":0,"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/posts\/812\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/behnudi.ir\/index.php?rest_route=\/wp\/v2\/media\/813"}],"wp:attachment":[{"href":"https:\/\/behnudi.ir\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=812"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/behnudi.ir\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=812"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/behnudi.ir\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}