mpeg4.json 6.3 KB

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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. "18":"y"
  48. },
  49. "firefox":{
  50. "2":"n",
  51. "3":"n",
  52. "3.5":"n",
  53. "3.6":"n",
  54. "4":"n",
  55. "5":"n",
  56. "6":"n",
  57. "7":"n",
  58. "8":"n",
  59. "9":"n",
  60. "10":"n",
  61. "11":"n",
  62. "12":"n",
  63. "13":"n",
  64. "14":"n",
  65. "15":"n",
  66. "16":"n",
  67. "17":"n",
  68. "18":"n",
  69. "19":"n",
  70. "20":"n",
  71. "21":"a",
  72. "22":"a",
  73. "23":"a",
  74. "24":"a",
  75. "25":"a",
  76. "26":"a",
  77. "27":"a",
  78. "28":"a",
  79. "29":"a",
  80. "30":"a",
  81. "31":"a",
  82. "32":"a",
  83. "33":"a",
  84. "34":"a",
  85. "35":"y",
  86. "36":"y",
  87. "37":"y",
  88. "38":"y",
  89. "39":"y",
  90. "40":"y",
  91. "41":"y",
  92. "42":"y",
  93. "43":"y",
  94. "44":"y",
  95. "45":"y",
  96. "46":"y",
  97. "47":"y",
  98. "48":"y",
  99. "49":"y",
  100. "50":"y",
  101. "51":"y",
  102. "52":"y",
  103. "53":"y",
  104. "54":"y",
  105. "55":"y",
  106. "56":"y",
  107. "57":"y",
  108. "58":"y",
  109. "59":"y",
  110. "60":"y",
  111. "61":"y",
  112. "62":"y"
  113. },
  114. "chrome":{
  115. "4":"y",
  116. "5":"y",
  117. "6":"y",
  118. "7":"y",
  119. "8":"y",
  120. "9":"y",
  121. "10":"y",
  122. "11":"y",
  123. "12":"y",
  124. "13":"y",
  125. "14":"y",
  126. "15":"y",
  127. "16":"y",
  128. "17":"y",
  129. "18":"y",
  130. "19":"y",
  131. "20":"y",
  132. "21":"y",
  133. "22":"y",
  134. "23":"y",
  135. "24":"y",
  136. "25":"y",
  137. "26":"y",
  138. "27":"y",
  139. "28":"y",
  140. "29":"y",
  141. "30":"y",
  142. "31":"y",
  143. "32":"y",
  144. "33":"y",
  145. "34":"y",
  146. "35":"y",
  147. "36":"y",
  148. "37":"y",
  149. "38":"y",
  150. "39":"y",
  151. "40":"y",
  152. "41":"y",
  153. "42":"y",
  154. "43":"y",
  155. "44":"y",
  156. "45":"y",
  157. "46":"y",
  158. "47":"y",
  159. "48":"y",
  160. "49":"y",
  161. "50":"y",
  162. "51":"y",
  163. "52":"y",
  164. "53":"y",
  165. "54":"y",
  166. "55":"y",
  167. "56":"y",
  168. "57":"y",
  169. "58":"y",
  170. "59":"y",
  171. "60":"y",
  172. "61":"y",
  173. "62":"y",
  174. "63":"y",
  175. "64":"y",
  176. "65":"y",
  177. "66":"y",
  178. "67":"y",
  179. "68":"y",
  180. "69":"y"
  181. },
  182. "safari":{
  183. "3.1":"n",
  184. "3.2":"y",
  185. "4":"y",
  186. "5":"y",
  187. "5.1":"y",
  188. "6":"y",
  189. "6.1":"y",
  190. "7":"y",
  191. "7.1":"y",
  192. "8":"y",
  193. "9":"y",
  194. "9.1":"y",
  195. "10":"y",
  196. "10.1":"y",
  197. "11":"y",
  198. "11.1":"y",
  199. "TP":"y"
  200. },
  201. "opera":{
  202. "9":"n",
  203. "9.5-9.6":"n",
  204. "10.0-10.1":"n",
  205. "10.5":"n",
  206. "10.6":"n",
  207. "11":"n",
  208. "11.1":"n",
  209. "11.5":"n",
  210. "11.6":"n",
  211. "12":"n",
  212. "12.1":"n",
  213. "15":"n",
  214. "16":"n",
  215. "17":"n",
  216. "18":"n",
  217. "19":"n",
  218. "20":"n",
  219. "21":"n",
  220. "22":"n",
  221. "23":"n",
  222. "24":"n",
  223. "25":"y",
  224. "26":"y",
  225. "27":"y",
  226. "28":"y",
  227. "29":"y",
  228. "30":"y",
  229. "31":"y",
  230. "32":"y",
  231. "33":"y",
  232. "34":"y",
  233. "35":"y",
  234. "36":"y",
  235. "37":"y",
  236. "38":"y",
  237. "39":"y",
  238. "40":"y",
  239. "41":"y",
  240. "42":"y",
  241. "43":"y",
  242. "44":"y",
  243. "45":"y",
  244. "46":"y",
  245. "47":"y",
  246. "48":"y",
  247. "49":"y",
  248. "50":"y",
  249. "51":"y",
  250. "52":"y"
  251. },
  252. "ios_saf":{
  253. "3.2":"y",
  254. "4.0-4.1":"y",
  255. "4.2-4.3":"y",
  256. "5.0-5.1":"y",
  257. "6.0-6.1":"y",
  258. "7.0-7.1":"y",
  259. "8":"y",
  260. "8.1-8.4":"y",
  261. "9.0-9.2":"y",
  262. "9.3":"y",
  263. "10.0-10.2":"y",
  264. "10.3":"y",
  265. "11.0-11.2":"y",
  266. "11.3":"y"
  267. },
  268. "op_mini":{
  269. "all":"n"
  270. },
  271. "android":{
  272. "2.1":"a",
  273. "2.2":"a",
  274. "2.3":"a #1",
  275. "3":"a",
  276. "4":"a",
  277. "4.1":"a",
  278. "4.2-4.3":"a",
  279. "4.4":"y",
  280. "4.4.3-4.4.4":"y",
  281. "62":"y"
  282. },
  283. "bb":{
  284. "7":"y",
  285. "10":"y"
  286. },
  287. "op_mob":{
  288. "10":"n",
  289. "11":"y",
  290. "11.1":"y",
  291. "11.5":"y",
  292. "12":"y",
  293. "12.1":"y",
  294. "37":"y"
  295. },
  296. "and_chr":{
  297. "66":"y"
  298. },
  299. "and_ff":{
  300. "57":"a #2"
  301. },
  302. "ie_mob":{
  303. "10":"y",
  304. "11":"y"
  305. },
  306. "and_uc":{
  307. "11.8":"a"
  308. },
  309. "samsung":{
  310. "4":"y",
  311. "5":"y",
  312. "6.2":"y"
  313. },
  314. "and_qq":{
  315. "1.2":"y"
  316. },
  317. "baidu":{
  318. "7.12":"y"
  319. }
  320. },
  321. "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.",
  322. "notes_by_num":{
  323. "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.",
  324. "2":"Partial supports refers to the lack of hardware acceleration."
  325. },
  326. "usage_perc_y":85.75,
  327. "usage_perc_a":8.61,
  328. "ucprefix":false,
  329. "parent":"video",
  330. "keywords":"avc,mp4,mpv,mov,aac,h264",
  331. "ie_id":"",
  332. "chrome_id":"",
  333. "firefox_id":"",
  334. "webkit_id":"",
  335. "shown":true
  336. }