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