{
  "title":"MPEG-4/H.264 video format",
  "description":"Commonly used video compression format.",
  "spec":"http://ip.hhi.de/imagecom_G1/assets/pdfs/csvt_overview_0305.pdf",
  "status":"other",
  "links":[
    {
      "url":"http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC",
      "title":"Wikipedia article"
    },
    {
      "url":"http://www.interoperabilitybridges.com/html5-extension-for-wmp-plugin",
      "title":"Firefox extension allowing support in Win7"
    }
  ],
  "bugs":[
    {
      "description":"Chrome has performance problems with [long h.264 videos](http://oddlystudios.com/blog/html5-video-problems-in-chrome/)."
    },
    {
      "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."
    },
    {
      "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)."
    }
  ],
  "categories":[
    "Other"
  ],
  "stats":{
    "ie":{
      "5.5":"n",
      "6":"n",
      "7":"n",
      "8":"n",
      "9":"y",
      "10":"y",
      "11":"y"
    },
    "edge":{
      "12":"y",
      "13":"y",
      "14":"y",
      "15":"y"
    },
    "firefox":{
      "2":"n",
      "3":"n",
      "3.5":"n",
      "3.6":"n",
      "4":"n",
      "5":"n",
      "6":"n",
      "7":"n",
      "8":"n",
      "9":"n",
      "10":"n",
      "11":"n",
      "12":"n",
      "13":"n",
      "14":"n",
      "15":"n",
      "16":"n",
      "17":"n",
      "18":"n",
      "19":"n",
      "20":"n",
      "21":"a",
      "22":"a",
      "23":"a",
      "24":"a",
      "25":"a",
      "26":"a",
      "27":"a",
      "28":"a",
      "29":"a",
      "30":"a",
      "31":"a",
      "32":"a",
      "33":"a",
      "34":"a",
      "35":"y",
      "36":"y",
      "37":"y",
      "38":"y",
      "39":"y",
      "40":"y",
      "41":"y",
      "42":"y",
      "43":"y",
      "44":"y",
      "45":"y",
      "46":"y",
      "47":"y",
      "48":"y",
      "49":"y",
      "50":"y",
      "51":"y",
      "52":"y",
      "53":"y",
      "54":"y"
    },
    "chrome":{
      "4":"y",
      "5":"y",
      "6":"y",
      "7":"y",
      "8":"y",
      "9":"y",
      "10":"y",
      "11":"y",
      "12":"y",
      "13":"y",
      "14":"y",
      "15":"y",
      "16":"y",
      "17":"y",
      "18":"y",
      "19":"y",
      "20":"y",
      "21":"y",
      "22":"y",
      "23":"y",
      "24":"y",
      "25":"y",
      "26":"y",
      "27":"y",
      "28":"y",
      "29":"y",
      "30":"y",
      "31":"y",
      "32":"y",
      "33":"y",
      "34":"y",
      "35":"y",
      "36":"y",
      "37":"y",
      "38":"y",
      "39":"y",
      "40":"y",
      "41":"y",
      "42":"y",
      "43":"y",
      "44":"y",
      "45":"y",
      "46":"y",
      "47":"y",
      "48":"y",
      "49":"y",
      "50":"y",
      "51":"y",
      "52":"y",
      "53":"y",
      "54":"y",
      "55":"y",
      "56":"y",
      "57":"y",
      "58":"y",
      "59":"y"
    },
    "safari":{
      "3.1":"n",
      "3.2":"y",
      "4":"y",
      "5":"y",
      "5.1":"y",
      "6":"y",
      "6.1":"y",
      "7":"y",
      "7.1":"y",
      "8":"y",
      "9":"y",
      "9.1":"y",
      "10":"y",
      "10.1":"y",
      "TP":"y"
    },
    "opera":{
      "9":"n",
      "9.5-9.6":"n",
      "10.0-10.1":"n",
      "10.5":"n",
      "10.6":"n",
      "11":"n",
      "11.1":"n",
      "11.5":"n",
      "11.6":"n",
      "12":"n",
      "12.1":"n",
      "15":"n",
      "16":"n",
      "17":"n",
      "18":"n",
      "19":"n",
      "20":"n",
      "21":"n",
      "22":"n",
      "23":"n",
      "24":"n",
      "25":"y",
      "26":"y",
      "27":"y",
      "28":"y",
      "29":"y",
      "30":"y",
      "31":"y",
      "32":"y",
      "33":"y",
      "34":"y",
      "35":"y",
      "36":"y",
      "37":"y",
      "38":"y",
      "39":"y",
      "40":"y",
      "41":"y",
      "42":"y",
      "43":"y",
      "44":"y",
      "45":"y"
    },
    "ios_saf":{
      "3.2":"y",
      "4.0-4.1":"y",
      "4.2-4.3":"y",
      "5.0-5.1":"y",
      "6.0-6.1":"y",
      "7.0-7.1":"y",
      "8":"y",
      "8.1-8.4":"y",
      "9.0-9.2":"y",
      "9.3":"y",
      "10.0-10.2":"y"
    },
    "op_mini":{
      "all":"n"
    },
    "android":{
      "2.1":"a",
      "2.2":"a",
      "2.3":"a #1",
      "3":"a",
      "4":"a",
      "4.1":"a",
      "4.2-4.3":"a",
      "4.4":"y",
      "4.4.3-4.4.4":"y",
      "53":"y"
    },
    "bb":{
      "7":"y",
      "10":"y"
    },
    "op_mob":{
      "10":"n",
      "11":"y",
      "11.1":"y",
      "11.5":"y",
      "12":"y",
      "12.1":"y",
      "37":"y"
    },
    "and_chr":{
      "56":"y"
    },
    "and_ff":{
      "51":"a #2"
    },
    "ie_mob":{
      "10":"y",
      "11":"y"
    },
    "and_uc":{
      "11":"a"
    },
    "samsung":{
      "4":"y"
    },
    "and_qq":{
      "1.2":"y"
    }
  },
  "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.",
  "notes_by_num":{
    "1":"The Android 2.3 browser requires [specific handling](http://www.broken-links.com/2010/07/08/making-html5-video-work-on-android-phones/) to play videos.",
    "2":"Partial supports refers to the lack of hardware acceleration."
  },
  "usage_perc_y":84.01,
  "usage_perc_a":9.94,
  "ucprefix":false,
  "parent":"video",
  "keywords":"avc,mp4,mpv,mov,aac,h264",
  "ie_id":"",
  "chrome_id":"",
  "firefox_id":"",
  "webkit_id":"",
  "shown":true
}