1.<\/span> Compiler flags:<\/strong><\/p>\nAs we need to do some cross-compiling we need to select the compiler\/assembler which comes with our XCode<\/p>\n
–cc=’\/Applications\/Xcode.app\/Contents\/Developer\/Platforms\/iPhoneOS.platform\/Developer\/usr\/bin\/arm-apple-darwin10-llvm-gcc-4.2′.<\/p>\n
–as=’.\/gas-preprocessor\/gas-preprocessor.pl \/applications\/xcode.app\/contents\/Developer\/Platforms\/iPhoneOS.platform\/Developer\/usr\/bin\/arm-apple-darwin10-gcc-4.2′<\/p>\n
–arch=arm<\/p>\n
–target-os=darwin<\/p>\n
–cpu=cortex-a8<\/p>\n
–enable-pic<\/p>\n
–disable-yasm<\/p>\n
2<\/span>. iOs SDK path:<\/strong><\/p>\n–sysroot=’\/Applications\/Xcode.app\/Contents\/Developer\/Platforms\/iPhoneOS.platform\/Developer\/SDKs\/iPhoneOS5.1.sdk’<\/p>\n
3.<\/span> extra flags:<\/strong><\/p>\n–extra-cflags=’-mfpu=neon -pipe -Os -gdwarf-2 -miphoneos-version-min=5.0′<\/p>\n
–extra-ldflags=’-arch armv7 -isysroot \/Applications\/Xcode.app\/Contents\/Developer\/Platforms\/iPhoneOS.platform\/Developer\/SDKs\/iPhoneOS5.1.sdk -miphoneos-version-min=5.0′<\/p>\n
4.<\/span> configure ffmpeg library components:<\/strong><\/p>\nfor example:<\/p>\n
\u00a0–disable-ffmpeg
\n–disable-ffplay
\n–disable-ffprobe
\n–disable-ffserver
\n–disable-avdevice
\n–disable-avfilter
\n–disable-everything<\/p>\n
and then enable the\u00a0components you need<\/p>\n
–enable-decoder=xxx
\n–enable-parser=xxx
\n–enable-demuxer=xxx<\/p>\n
after successful completion of .\/configure<\/em> run make<\/em>… and voil\u00e0 \ud83d\ude42<\/p>\nIf you get some errors complaining about\u00a0 “error: invalid operand in inline asm: ” try to disable assembler directives with<\/p>\n
–diasble-asm<\/p>\n
have fun<\/p>\n
Mario<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
In one of my latest projects I needed some audio\/video streaming capabilities for iOS driven devices. The first App. which we implemented was a audio\/HDVideo low latency conference streaming application for smart phones. The second app was around\u00a0 MPEG–TS\u00a0to Elementary Stream demuxer for some dreambox streaming fun \ud83d\ude42 The framework of choice is the swiss … Continue reading How to cross compile ffmpeg for iOS (iPhone and iPad)<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[7,13,8],"tags":[],"class_list":["post-1764","post","type-post","status-publish","format-standard","hentry","category-cool-tools","category-iphone","category-projects"],"yoast_head":"\nHow to cross compile ffmpeg for iOS (iPhone and iPad) - Mario's TinyLab<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/blog.fh-kaernten.at\/wehr\/2012\/05\/21\/how-to-cross-compile-ffmpeg-for-ios-iphone-and-ipad\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to cross compile ffmpeg for iOS (iPhone and iPad) - Mario's TinyLab\" \/>\n<meta property=\"og:description\" content=\"In one of my latest projects I needed some audio\/video streaming capabilities for iOS driven devices. The first App. which we implemented was a audio\/HDVideo low latency conference streaming application for smart phones. 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The second app was around\u00a0 MPEG–TS\u00a0to Elementary Stream demuxer for some dreambox streaming fun \ud83d\ude42 The framework of choice is the swiss … Continue reading How to cross compile ffmpeg for iOS (iPhone and iPad) →","og_url":"http:\/\/blog.fh-kaernten.at\/wehr\/2012\/05\/21\/how-to-cross-compile-ffmpeg-for-ios-iphone-and-ipad\/","og_site_name":"Mario's TinyLab","article_published_time":"2012-05-21T07:52:26+00:00","article_modified_time":"2012-06-04T14:33:43+00:00","author":"Mario Wehr","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Mario Wehr","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"http:\/\/blog.fh-kaernten.at\/wehr\/2012\/05\/21\/how-to-cross-compile-ffmpeg-for-ios-iphone-and-ipad\/#article","isPartOf":{"@id":"http:\/\/blog.fh-kaernten.at\/wehr\/2012\/05\/21\/how-to-cross-compile-ffmpeg-for-ios-iphone-and-ipad\/"},"author":{"name":"Mario Wehr","@id":"https:\/\/blog.fh-kaernten.at\/wehr\/#\/schema\/person\/8761b4d788b13b547de9ccd6504ce62d"},"headline":"How to cross compile ffmpeg for iOS (iPhone and iPad)","datePublished":"2012-05-21T07:52:26+00:00","dateModified":"2012-06-04T14:33:43+00:00","mainEntityOfPage":{"@id":"http:\/\/blog.fh-kaernten.at\/wehr\/2012\/05\/21\/how-to-cross-compile-ffmpeg-for-ios-iphone-and-ipad\/"},"wordCount":355,"commentCount":1,"articleSection":["Cool Stuff","iPhone","Projects"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["http:\/\/blog.fh-kaernten.at\/wehr\/2012\/05\/21\/how-to-cross-compile-ffmpeg-for-ios-iphone-and-ipad\/#respond"]}]},{"@type":"WebPage","@id":"http:\/\/blog.fh-kaernten.at\/wehr\/2012\/05\/21\/how-to-cross-compile-ffmpeg-for-ios-iphone-and-ipad\/","url":"http:\/\/blog.fh-kaernten.at\/wehr\/2012\/05\/21\/how-to-cross-compile-ffmpeg-for-ios-iphone-and-ipad\/","name":"How to cross compile ffmpeg for iOS (iPhone and iPad) - Mario's TinyLab","isPartOf":{"@id":"https:\/\/blog.fh-kaernten.at\/wehr\/#website"},"datePublished":"2012-05-21T07:52:26+00:00","dateModified":"2012-06-04T14:33:43+00:00","author":{"@id":"https:\/\/blog.fh-kaernten.at\/wehr\/#\/schema\/person\/8761b4d788b13b547de9ccd6504ce62d"},"breadcrumb":{"@id":"http:\/\/blog.fh-kaernten.at\/wehr\/2012\/05\/21\/how-to-cross-compile-ffmpeg-for-ios-iphone-and-ipad\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["http:\/\/blog.fh-kaernten.at\/wehr\/2012\/05\/21\/how-to-cross-compile-ffmpeg-for-ios-iphone-and-ipad\/"]}]},{"@type":"BreadcrumbList","@id":"http:\/\/blog.fh-kaernten.at\/wehr\/2012\/05\/21\/how-to-cross-compile-ffmpeg-for-ios-iphone-and-ipad\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/blog.fh-kaernten.at\/wehr\/"},{"@type":"ListItem","position":2,"name":"How to cross compile ffmpeg for iOS (iPhone and iPad)"}]},{"@type":"WebSite","@id":"https:\/\/blog.fh-kaernten.at\/wehr\/#website","url":"https:\/\/blog.fh-kaernten.at\/wehr\/","name":"Mario's TinyLab","description":"About cool\/interesting Projects and Technologies","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blog.fh-kaernten.at\/wehr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/blog.fh-kaernten.at\/wehr\/#\/schema\/person\/8761b4d788b13b547de9ccd6504ce62d","name":"Mario Wehr","url":"https:\/\/blog.fh-kaernten.at\/wehr\/author\/wehr\/"}]}},"_links":{"self":[{"href":"https:\/\/blog.fh-kaernten.at\/wehr\/wp-json\/wp\/v2\/posts\/1764","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.fh-kaernten.at\/wehr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.fh-kaernten.at\/wehr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.fh-kaernten.at\/wehr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.fh-kaernten.at\/wehr\/wp-json\/wp\/v2\/comments?post=1764"}],"version-history":[{"count":0,"href":"https:\/\/blog.fh-kaernten.at\/wehr\/wp-json\/wp\/v2\/posts\/1764\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.fh-kaernten.at\/wehr\/wp-json\/wp\/v2\/media?parent=1764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.fh-kaernten.at\/wehr\/wp-json\/wp\/v2\/categories?post=1764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.fh-kaernten.at\/wehr\/wp-json\/wp\/v2\/tags?post=1764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}