Ei kuvausta

mpeg4.json 6.2KB

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  1. {
  2. "title":"MPEG-4/H.264 video format",
  3. "description":"Commonly used video compression format.",
  4. "spec":"http://ip.hhi.de/imagecom_G1/assets/pdfs/csvt_overview_0305.pdf",
  5. "status":"other",
  6. "links":[
  7. {
  8. "url":"https://en.wikipedia.org/wiki/H.264/MPEG-4_AVC",
  9. "title":"Wikipedia article"
  10. },
  11. {
  12. "url":"http://www.interoperabilitybridges.com/html5-extension-for-wmp-plugin",
  13. "title":"Firefox extension allowing support in Win7"
  14. }
  15. ],
  16. "bugs":[
  17. {
  18. "description":"Chrome has performance problems with [long h.264 videos](http://oddlystudios.com/blog/html5-video-problems-in-chrome/)."
  19. },
  20. {
  21. "description":"Browsers have trouble with more than one audio track in a video (for multi-language support): IE 11 supports it, Firefox plays the last track, Chrome plays the first track."
  22. },
  23. {
  24. "description":"In Windows 7, the maximum supported resolution is 1920 \u00d7 1088 pixels for both software and DXVA decoding. [MSDN](https://msdn.microsoft.com/en-us/library/windows/desktop/dd797815(v=vs.85.aspx))."
  25. }
  26. ],
  27. "categories":[
  28. "Other"
  29. ],
  30. "stats":{
  31. "ie":{
  32. "5.5":"n",
  33. "6":"n",
  34. "7":"n",
  35. "8":"n",
  36. "9":"y",
  37. "10":"y",
  38. "11":"y"
  39. },
  40. "edge":{
  41. "12":"y",
  42. "13":"y",
  43. "14":"y",
  44. "15":"y",
  45. "16":"y",
  46. "17":"y"
  47. },
  48. "firefox":{
  49. "2":"n",
  50. "3":"n",
  51. "3.5":"n",
  52. "3.6":"n",
  53. "4":"n",
  54. "5":"n",
  55. "6":"n",
  56. "7":"n",
  57. "8":"n",
  58. "9":"n",
  59. "10":"n",
  60. "11":"n",
  61. "12":"n",
  62. "13":"n",
  63. "14":"n",
  64. "15":"n",
  65. "16":"n",
  66. "17":"n",
  67. "18":"n",
  68. "19":"n",
  69. "20":"n",
  70. "21":"a",
  71. "22":"a",
  72. "23":"a",
  73. "24":"a",
  74. "25":"a",
  75. "26":"a",
  76. "27":"a",
  77. "28":"a",
  78. "29":"a",
  79. "30":"a",
  80. "31":"a",
  81. "32":"a",
  82. "33":"a",
  83. "34":"a",
  84. "35":"y",
  85. "36":"y",
  86. "37":"y",
  87. "38":"y",
  88. "39":"y",
  89. "40":"y",
  90. "41":"y",
  91. "42":"y",
  92. "43":"y",
  93. "44":"y",
  94. "45":"y",
  95. "46":"y",
  96. "47":"y",
  97. "48":"y",
  98. "49":"y",
  99. "50":"y",
  100. "51":"y",
  101. "52":"y",
  102. "53":"y",
  103. "54":"y",
  104. "55":"y",
  105. "56":"y",
  106. "57":"y",
  107. "58":"y",
  108. "59":"y",
  109. "60":"y",
  110. "61":"y"
  111. },
  112. "chrome":{
  113. "4":"y",
  114. "5":"y",
  115. "6":"y",
  116. "7":"y",
  117. "8":"y",
  118. "9":"y",
  119. "10":"y",
  120. "11":"y",
  121. "12":"y",
  122. "13":"y",
  123. "14":"y",
  124. "15":"y",
  125. "16":"y",
  126. "17":"y",
  127. "18":"y",
  128. "19":"y",
  129. "20":"y",
  130. "21":"y",
  131. "22":"y",
  132. "23":"y",
  133. "24":"y",
  134. "25":"y",
  135. "26":"y",
  136. "27":"y",
  137. "28":"y",
  138. "29":"y",
  139. "30":"y",
  140. "31":"y",
  141. "32":"y",
  142. "33":"y",
  143. "34":"y",
  144. "35":"y",
  145. "36":"y",
  146. "37":"y",
  147. "38":"y",
  148. "39":"y",
  149. "40":"y",
  150. "41":"y",
  151. "42":"y",
  152. "43":"y",
  153. "44":"y",
  154. "45":"y",
  155. "46":"y",
  156. "47":"y",
  157. "48":"y",
  158. "49":"y",
  159. "50":"y",
  160. "51":"y",
  161. "52":"y",
  162. "53":"y",
  163. "54":"y",
  164. "55":"y",
  165. "56":"y",
  166. "57":"y",
  167. "58":"y",
  168. "59":"y",
  169. "60":"y",
  170. "61":"y",
  171. "62":"y",
  172. "63":"y",
  173. "64":"y",
  174. "65":"y",
  175. "66":"y",
  176. "67":"y"
  177. },
  178. "safari":{
  179. "3.1":"n",
  180. "3.2":"y",
  181. "4":"y",
  182. "5":"y",
  183. "5.1":"y",
  184. "6":"y",
  185. "6.1":"y",
  186. "7":"y",
  187. "7.1":"y",
  188. "8":"y",
  189. "9":"y",
  190. "9.1":"y",
  191. "10":"y",
  192. "10.1":"y",
  193. "11":"y",
  194. "11.1":"y",
  195. "TP":"y"
  196. },
  197. "opera":{
  198. "9":"n",
  199. "9.5-9.6":"n",
  200. "10.0-10.1":"n",
  201. "10.5":"n",
  202. "10.6":"n",
  203. "11":"n",
  204. "11.1":"n",
  205. "11.5":"n",
  206. "11.6":"n",
  207. "12":"n",
  208. "12.1":"n",
  209. "15":"n",
  210. "16":"n",
  211. "17":"n",
  212. "18":"n",
  213. "19":"n",
  214. "20":"n",
  215. "21":"n",
  216. "22":"n",
  217. "23":"n",
  218. "24":"n",
  219. "25":"y",
  220. "26":"y",
  221. "27":"y",
  222. "28":"y",
  223. "29":"y",
  224. "30":"y",
  225. "31":"y",
  226. "32":"y",
  227. "33":"y",
  228. "34":"y",
  229. "35":"y",
  230. "36":"y",
  231. "37":"y",
  232. "38":"y",
  233. "39":"y",
  234. "40":"y",
  235. "41":"y",
  236. "42":"y",
  237. "43":"y",
  238. "44":"y",
  239. "45":"y",
  240. "46":"y",
  241. "47":"y",
  242. "48":"y",
  243. "49":"y",
  244. "50":"y",
  245. "51":"y",
  246. "52":"y"
  247. },
  248. "ios_saf":{
  249. "3.2":"y",
  250. "4.0-4.1":"y",
  251. "4.2-4.3":"y",
  252. "5.0-5.1":"y",
  253. "6.0-6.1":"y",
  254. "7.0-7.1":"y",
  255. "8":"y",
  256. "8.1-8.4":"y",
  257. "9.0-9.2":"y",
  258. "9.3":"y",
  259. "10.0-10.2":"y",
  260. "10.3":"y",
  261. "11.0-11.2":"y",
  262. "11.3":"y"
  263. },
  264. "op_mini":{
  265. "all":"n"
  266. },
  267. "android":{
  268. "2.1":"a",
  269. "2.2":"a",
  270. "2.3":"a #1",
  271. "3":"a",
  272. "4":"a",
  273. "4.1":"a",
  274. "4.2-4.3":"a",
  275. "4.4":"y",
  276. "4.4.3-4.4.4":"y",
  277. "62":"y"
  278. },
  279. "bb":{
  280. "7":"y",
  281. "10":"y"
  282. },
  283. "op_mob":{
  284. "10":"n",
  285. "11":"y",
  286. "11.1":"y",
  287. "11.5":"y",
  288. "12":"y",
  289. "12.1":"y",
  290. "37":"y"
  291. },
  292. "and_chr":{
  293. "64":"y"
  294. },
  295. "and_ff":{
  296. "57":"a #2"
  297. },
  298. "ie_mob":{
  299. "10":"y",
  300. "11":"y"
  301. },
  302. "and_uc":{
  303. "11.8":"a"
  304. },
  305. "samsung":{
  306. "4":"y",
  307. "5":"y",
  308. "6.2":"y"
  309. },
  310. "and_qq":{
  311. "1.2":"y"
  312. },
  313. "baidu":{
  314. "7.12":"y"
  315. }
  316. },
  317. "notes":"Firefox supports H.264 on Windows 7 and later since version 21. Firefox supports H.264 on Linux since version 26 if the appropriate gstreamer plug-ins are installed.\r\n\r\nPartial support for older Firefox versions refers to the lack of support in OS X & some non-Android Linux platforms.",
  318. "notes_by_num":{
  319. "1":"The Android 2.3 browser requires [specific handling](https://www.broken-links.com/2010/07/08/making-html5-video-work-on-android-phones/) to play videos.",
  320. "2":"Partial supports refers to the lack of hardware acceleration."
  321. },
  322. "usage_perc_y":85.33,
  323. "usage_perc_a":9.35,
  324. "ucprefix":false,
  325. "parent":"video",
  326. "keywords":"avc,mp4,mpv,mov,aac,h264",
  327. "ie_id":"",
  328. "chrome_id":"",
  329. "firefox_id":"",
  330. "webkit_id":"",
  331. "shown":true
  332. }