[{"data":1,"prerenderedAt":226},["ShallowReactive",2],{"project-21113341":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":33,"aspects":34,"strip":37,"post_text":29,"what":39,"said":74,"maker_in_thread":108,"shape":116,"grid":119,"attempts":188,"same_week":189,"maker_shows":218,"maker_hidden":219,"reader_version":220,"card":221},"21113341","info-beamer pi","Pi4 dual display\u002F4K and HEVC\u002FH265 support","title","Show HN: Pi4 dual display\u002F4K and HEVC\u002FH265 support","https:\u002F\u002Finfo-beamer.com\u002Fblog\u002Fdual-display-or-4k-and-hevc-on-the-pi-4","info-beamer.com","dividuum",1569837456,2019,132,26,343,2195,16,"notable","infrastructure","digital signage player","desktop_app",[24,25,26,27],"raspberry pi 4","hevc decoding","digital signage","dual display","quiet",null,{"positive":31,"neutral":31,"mixed":32,"critical":31},1,0,3,{"idea":35,"docs":36},{"positive":32,"critical":32},{"positive":32,"critical":31},[32,33,32,38,32,32,31,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32],5,{"problem":40,"audience":29,"pricing":29,"motivation":47,"time_to_build":56,"stack":60,"openness":72,"stage":73,"team_size":72},{"value":41,"source":42,"evidence":43},"Playing HEVC\u002FH265 and dual-display video on Raspberry Pi 4 for signage","maker",[44],{"id":45,"by":11,"text":46},"21113354","Hey. It took around two months of digging into (sometimes undocumented) APIs to get this one working on the Pi4. The player software (\"info-beamer pi\") can now use…",{"value":48,"source":42,"evidence":49},"Started as a display tool for a German hacker conference, later became a company",[50,53],{"id":51,"by":11,"text":52},"21114088","In hindsight I should probably named everything differently, but I didn't expect the software to turn into a company at some point when I initially started it over 8 years ago…",{"id":54,"by":11,"text":55},"21114250","That's correct. The naming was due to it being initial built to show information (=info) on a projector (=beamer) at a German hacker conference to inform visitors about talks,…",{"value":57,"source":42,"evidence":58},"around two months",[59],{"id":45,"by":11,"text":46},[61,65],{"value":62,"source":42,"evidence":63},"C\u002FC++ with MMAL, DRM and dispmanx",[64],{"id":45,"by":11,"text":46},{"value":66,"source":42,"evidence":67},"Patched FFmpeg for HEVC decoding",[68,69],{"id":51,"by":11,"text":52},{"id":70,"by":11,"text":71},"21115151","To be fair, these kind of low level stuff is usually handled by only a handful people, so investing a lot of time in proper documentation might be a lot of work for something…","unknown","launched",{"praise":75,"objections":81,"requests":94,"questions":99,"alternatives":107},[76],{"value":77,"source":78,"evidence":79},"Useful technical detail on undocumented HEVC hardware decoding","commenter",[80],{"id":51,"by":11,"text":52},[82,89],{"value":83,"source":78,"evidence":84},"HEVC decoding documentation on the Pi is poor",[85],{"id":86,"by":87,"text":88},"21115000","wronglebowski","This seems like a large oversight given people usually decide to use the Pi for better documentation and support. The Pi 4 is being marketed as a \"Real\" desktop replacement…",{"value":90,"source":78,"evidence":91},"Decoder depends on rough, patched FFmpeg code and firmware stability is uncertain",[92,93],{"id":86,"by":87,"text":88},{"id":70,"by":11,"text":71},[95],{"value":96,"source":42,"evidence":97},"Support for decoding two videos at the same time",[98],{"id":70,"by":11,"text":71},[100],{"value":101,"source":78,"evidence":102},"Is there a non-hosted version?",[103],{"id":104,"by":105,"text":106},"21116705","kup0","Is there a non-hosted version of this?",[],{"comments":38,"answered":109,"key":110},2,[111,112,115],{"id":45,"text":46},{"id":113,"text":114},"21116814","Kind of. Originally, info-beamer for the Pi started as a standalone binary intended to run on Raspbian. This product (info-beamer pi) is still available and has also been updated…",{"id":51,"text":52},{"commenters":117,"max_depth":38,"maker_replies":38,"first_comment_mins":33,"lifespan_hours":118},18,49,[120,122,124,126,129,133,135,137,138,141,144,147,150,153,156,159,161,164,167,170,173,174,176,179,182,185],[45,32,32,121,11,31],"project\u002Fpositive\u002Fexecution",[104,31,33,123,105,32],"project\u002Fneutral\u002Fidea",[113,31,32,125,11,31],"project\u002Fneutral\u002Fexecution",[127,31,38,128,105,32],"21117196","maker\u002Fpositive\u002Fnone",[130,109,32,131,132,32],"21113968","other\u002Fneutral\u002Fnone","solstice",[51,109,32,134,11,31],"project\u002Fneutral\u002Fdocs",[86,109,31,136,87,32],"project\u002Fcritical\u002Fdocs",[70,109,32,134,11,31],[139,109,32,131,140,32],"21114103","lvturner",[142,109,32,131,143,32],"21114311","blantonl",[145,109,32,131,146,32],"21114411","comtn",[148,109,32,131,149,32],"21114648","CraigRood",[151,109,32,131,152,32],"21114770","Unklejoe",[154,109,32,131,155,32],"21115720","yardie",[157,109,32,131,158,32],"21116764","Wistar",[160,109,32,131,140,32],"21120580",[162,109,32,131,163,32],"21115295","stedaniels",[165,109,32,166,143,32],"21116690","commenter\u002Fneutral\u002Fnone",[168,109,32,131,169,32],"21114142","close04",[171,109,32,131,172,32],"21114196","megous",[54,109,32,123,11,31],[175,109,32,131,172,32],"21134961",[177,109,32,131,178,32],"21119037","stuaxo",[180,109,32,131,181,32],"21114170","lorenzhs",[183,109,32,131,184,32],"21114757","devonkim",[186,109,32,131,187,32],"21114833","wazoox",[],[190,195,200,204,209,214],{"id":191,"name":192,"points":193,"category":194},"21101918","Bot Land",444,"games",{"id":196,"name":197,"points":198,"category":199},"21134903","Ledonardo",442,"creative",{"id":201,"name":202,"points":203,"category":194},"21136364","Astro Golf",232,{"id":205,"name":206,"points":207,"category":208},"21106611","Ieddit",220,"consumer_social",{"id":210,"name":211,"points":212,"category":213},"21110425","Aristotl",173,"learning_science",{"id":215,"name":216,"points":217,"category":213},"21106202","Ansible Crash Course",160,4,false,"v2",{"id":222,"name":5,"line":6,"ai":219,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":29,"top":18,"kw":223,"maker":11,"domain":10,"tier":19,"attempts":32,"strip":224,"url":9,"mix":225,"praise":77,"objection":83,"sub":21},21113341,[24,25,26,27],"03050010000000000000000000",[31,31,32,31],1794036581418]