{"id":7392,"date":"2019-12-26T14:45:43","date_gmt":"2019-12-26T05:45:43","guid":{"rendered":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=7392"},"modified":"2019-12-26T19:17:43","modified_gmt":"2019-12-26T10:17:43","slug":"media-foundation-%e3%81%a7-rgb-%e3%82%92%e6%89%b1%e3%81%86%e3%81%a8%e3%81%8d%e3%81%ae-stride-%e3%81%ae%e6%89%b1%e3%81%84","status":"publish","type":"post","link":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=7392","title":{"rendered":"Media Foundation \u3067 RGB \u3092\u6271\u3046\u3068\u304d\u306e stride \u306e\u6271\u3044"},"content":{"rendered":"<p>Windows Vista \u4ee5\u964d\u306b\u306f Media Foundation \u3068\u3044\u3046\u65b0\u3057\u3044\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u65b0\u3057\u3044\u3068\u8a00\u3063\u3066\u308210\u5e74\u4ee5\u4e0a\u7d4c\u3063\u3066\u307e\u3059\u3051\u3069\u3002<\/p>\n<p><!--more--><\/p>\n<p>Media Foundation \u6620\u50cf\u306e\u30e1\u30c7\u30a3\u30a2\u30bf\u30a4\u30d7\u306b\u306f optional \u306a attribute \u3068\u3057\u3066 <a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/medfound\/mf-mt-default-stride-attribute\">MF_MT_DEFAULT_STRIDE<\/a> \u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u975e\u5727\u7e2e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u304a\u3044\u3066\u30e9\u30a4\u30f3\u9593\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3082\u306e\u3067\u3059\u304c\u3001\u7d50\u679c\u3068\u3057\u3066\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u300c\u65b9\u5411\u300d\u304c\u30c8\u30c3\u30d7\u30c0\u30a6\u30f3\u304b\u30dc\u30c8\u30e0\u30a2\u30c3\u30d7\u304b\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/medfound\/image-stride\">Image Stride<\/a> \u306b\u66f8\u3044\u3066\u3042\u308b\u901a\u308a\u3001\u6b63\u306e\u5024\u3060\u3068\u30c8\u30c3\u30d7\u30c0\u30a6\u30f3\u3067\u3001\u8ca0\u306e\u5024\u3060\u3068\u30dc\u30c8\u30e0\u30a2\u30c3\u30d7\u3067\u3059\u3002\u6700\u521d\u306b optional \u3068\u66f8\u3044\u305f\u901a\u308a\u3001\u3053\u306e attribute \u306f\u7121\u304f\u3066\u3082\u3088\u304f\u3066\u3001\u305d\u306e\u5834\u5408\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\uff08RGB24\u3068\u304bYUY2\u3068\u304b\u305d\u3046\u3044\u3046\u306e\uff09\u306b\u5fdc\u3058\u305f\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u4f7f\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>YUY2 \u3068\u304b\u306a\u3089\u65b9\u5411\u306f\u30c8\u30c3\u30d7\u30c0\u30a6\u30f3\u306b\u6c7a\u307e\u3063\u3066\u3044\u308b\u306e\u3067\u8a71\u306f\u7c21\u5358\u3067\u3059\u3002\u4e00\u65b9\u3001RGB \u306e\u5834\u5408\u306f\u30c8\u30c3\u30d7\u30c0\u30a6\u30f3\u3082\u30dc\u30c8\u30e0\u30a2\u30c3\u30d7\u3082\u4e21\u65b9\u3042\u308b\u305f\u3081\u3001\u8a71\u304c\u9762\u5012\u306b\u306a\u308a\u307e\u3059\u3002\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u88fd\u306e\u30b3\u30fc\u30c9\u3067\u3059\u3089\u3053\u306e\u8fba\u308a\u306f\u6df7\u4e71\u3057\u3066\u304a\u308a\u3001MFT \u30b3\u30fc\u30c7\u30c3\u30af\u306e\u51fa\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c MF_MT_DEFAULT_STRIDE \u3092\u7701\u7565\u3057\u305f RGB \u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30fc\u30e9\u30fc\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u751f\u6210\u3067\u306f\u30dc\u30c8\u30e0\u30a2\u30c3\u30d7\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u304c\u3001Windows Media Player \u3084 TopoEdit \u3067\u306f\u30c8\u30c3\u30d7\u30c0\u30a6\u30f3\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u4ee5\u524d\u3001<a href=\"http:\/\/umezawa.dyndns.info\/wordpress\/?p=5625\">Windows 10 \u3060\u3068\u30a8\u30af\u30b9\u30d7\u30ed\u30fc\u30e9\u30fc\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u751f\u6210\u304c\u4e0a\u4e0b\u53cd\u8ee2\u3059\u308b\u3068\u3044\u3046\u554f\u984c\u304c\u3042\u308b<\/a>\u3068\u66f8\u304d\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u306f\u3053\u306e\u8fba\u306e\u554f\u984c\u3092\u8e0f\u3093\u3060\u305b\u3044\u3067\u8d77\u304d\u305f\u73fe\u8c61\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n<p>\u3069\u3063\u3061\u304c\u6b63\u3057\u3044\u306e\u304b\u3001\u3068\u3044\u3046\u3053\u3068\u3082\u3069\u3046\u3082\u5224\u7136\u3068\u3057\u307e\u305b\u3093\u3002 <a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/medfound\/uncompressed-video-buffers\">Uncompressed Video Buffers<\/a> \u3068\u3044\u3046\u8a18\u4e8b\u306b\u306f\u300cMF_MT_DEFAULT_STRIDE \u304c\u7701\u7565\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f <a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/api\/mfapi\/nf-mfapi-mfgetstrideforbitmapinfoheader\">MFGetStrideForBitmapInfoHeader<\/a> \u3092\u8aad\u3093\u3067\u8a08\u7b97\u3057\u308d\u300d\u3068\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002\u3053\u306e API \u306f RGB \u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u306f\u8ca0\u306e\u5024\u3092\u8fd4\u3059\u306e\u3067\u3059\u304c\u3001\u4e00\u822c\u7684\u306b\u7701\u7565\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u30dc\u30c8\u30e0\u30a2\u30c3\u30d7\u3092\u4eee\u5b9a\u3059\u3079\u304d\u306a\u306e\u304b\u306b\u95a2\u3059\u308b\u76f4\u63a5\u7684\u306a\u8a18\u8ff0\u306f\u898b\u3064\u3051\u3089\u308c\u307e\u305b\u3093\u3002\u307e\u3042\u3001\u30dc\u30c8\u30e0\u30a2\u30c3\u30d7\u306b\u3057\u3066\u304a\u304f\u306e\u304c\u59a5\u5f53\u306a\u6c17\u306f\u3059\u308b\u306e\u3067\u3059\u304c\u2026<\/p>\n<p>\u4e00\u5fdc\u3001\u30b3\u30fc\u30c7\u30c3\u30af\u304c\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u51fa\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u8fd4\u3059\u969b\u306b RGB \u306e\u5834\u5408\u306f\u5fc5\u305a MF_MT_DEFAULT_STRIDE \u3092\u4ed8\u3051\u308b\u3053\u3068\u3067\u65b9\u5411\u3092\u56fa\u5b9a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u308b\u3088\u3046\u3067\u3001\u305d\u3046\u3059\u308b\u3068\u30a8\u30af\u30b9\u30d7\u30ed\u30fc\u30e9\u30fc\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u751f\u6210\u3067\u3082 Windows Media Player \u3067\u3082 TopoEdit \u3067\u3082 MF_MT_DEFAULT_STRIDE \u306e\u4ed8\u3044\u305f\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u8a2d\u5b9a\u3055\u308c\u3001\u6b63\u3057\u3044\u65b9\u5411\u3067\u63cf\u753b\u3055\u308c\u307e\u3059\u3002\u3068\u3044\u3046\u308f\u3051\u3067\u3001 optional \u3068\u3044\u3044\u3064\u3064 RGB \u306e\u5834\u5408\u306b\u304a\u3044\u3066\u306f\u307b\u307c\u5fc5\u9808 attribute \u3068\u3044\u3046\u8a8d\u8b58\u3067\u3044\u308b\u3079\u304d\u3067\u3059\u3002\u3082\u3063\u3068\u3082\u3001\u7701\u7565\u3055\u308c\u305f\u30e1\u30c7\u30a3\u30a2\u30bf\u30a4\u30d7\u3092\u8a2d\u5b9a\u3055\u308c\u305f\u5834\u5408\u306b\u3069\u3046\u3044\u3046\u6319\u52d5\u3092\u3059\u3079\u304d\u304b\uff08\u8a2d\u5b9a\u3092\u62d2\u5426\u3059\u308b\u3068\u304b\u30dc\u30c8\u30e0\u30a2\u30c3\u30d7\u3092\u4eee\u5b9a\u3059\u308b\u3068\u304b\uff09\u306f\u96e3\u3057\u3044\u3068\u3053\u308d\u3067\u3059\u3057\u3001\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u5165\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u8fd4\u3059\u6642\u306f\u7e26\u6a2a\u30d4\u30af\u30bb\u30eb\u6570\u304c\u78ba\u5b9a\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u305d\u3082\u305d\u3082 stride \u3092\u8a08\u7b97\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Windows Vista \u4ee5\u964d\u306b\u306f Media Foundation \u3068\u3044\u3046\u65b0\u3057\u3044\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u65b0\u3057\u3044\u3068\u8a00\u3063\u3066\u308210\u5e74\u4ee5\u4e0a\u7d4c\u3063\u3066\u307e\u3059\u3051\u3069\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-7392","post","type-post","status-publish","format-standard","hentry","category-technology"],"_links":{"self":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7392","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7392"}],"version-history":[{"count":10,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7392\/revisions"}],"predecessor-version":[{"id":7402,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7392\/revisions\/7402"}],"wp:attachment":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7392"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}