{"id":6706,"date":"2017-11-03T20:32:32","date_gmt":"2017-11-03T11:32:32","guid":{"rendered":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=6706"},"modified":"2017-11-04T07:31:19","modified_gmt":"2017-11-03T22:31:19","slug":"gstreamer-%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e8%aa%bf%e3%81%b9%e3%82%8b","status":"publish","type":"post","link":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=6706","title":{"rendered":"GStreamer \u306b\u3064\u3044\u3066\u8abf\u3079\u308b"},"content":{"rendered":"<p>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u4e00\u901a\u308a\u8aad\u3093\u3067\u3044\u3066\u3001\u3088\u3046\u3084\u304f Ubuntu Desktop \u4e0a\u3067\u65e2\u5b58\u306e element \u306e\u6319\u52d5\u3092\u8abf\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3064\u3044\u3067\u306b\u8a00\u3046\u3068 Linux \u306f\u4eca\u307e\u3067 RedHat \u7cfb (RHL, Fedora, CentOS) \u3057\u304b\u4f7f\u3063\u305f\u3053\u3068\u304c\u306a\u3044\u3093\u3067\u3001Ubuntu \u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u547d\u540d\u898f\u5247\u306b\u5fae\u5999\u306b\u6238\u60d1\u3044\u304c\u3042\u308a\u307e\u3059\u3002\u3060\u3063\u305f\u3089 Fedora \u4f7f\u3048\u3068\u8a00\u308f\u308c\u305d\u3046\u3067\u3059\u304c VM \u4e0a\u3067\u306a\u3093\u304b\u6319\u52d5\u304c\u4e0d\u5be9\u3060\u3063\u305f\u3093\u3067\u2026<\/p>\n<p><!--more--><\/p>\n<p>\u3068\u308a\u3042\u3048\u305a gstreamer1.0-libav \u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5165\u308c\u3001\u3044\u304f\u3064\u304b\u306e element \u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092 gst-inspect-1.0 \u3067\u898b\u3066\u3044\u3066\u6c17\u4ed8\u3044\u305f\u3053\u3068\u3002<\/p>\n<ul>\n<li>avdec_huffyuv element \u304c\u3042\u308b\u3002\n<ul>\n<li>\u5165\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3068\u3057\u3066 video\/x-huffyuv \u3092\u53d7\u3051\u4ed8\u3051\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u30d3\u30c7\u30aa\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u8b58\u5225\u3059\u308b\u51e6\u7406\u3092\u66f8\u304f\u65b9\u6cd5\u3063\u3066\u3069\u3046\u3084\u308b\u3093\u3060\u3063\u3051\u306a\u3002\uff08\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u8aad\u3093\u3060\u8a18\u61b6\u306f\u3042\u308b\uff09<\/li>\n<li>\u51fa\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f video\/x-raw \u306b\u306a\u3063\u3066\u3044\u3066\u3001\u30d4\u30af\u30bb\u30eb\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f\u6587\u5b57\u5217\u3067\u6307\u5b9a\u3059\u308b\u3089\u3057\u3044\u3002\uff08GStreamer \u4ee5\u5916\u306e\u30b7\u30b9\u30c6\u30e0\u3060\u3068\u3001\u4f8b\u3048\u3070 FourCC \u3084\u5358\u306a\u308b\u5217\u6319\u5024\u3067\u6307\u5b9a\u3059\u308b\uff09<\/li>\n<\/ul>\n<\/li>\n<li>avdec_utvideo element \u3082\u3042\u308b\u3002\n<ul>\n<li>\u3053\u3063\u3061\u306f\u4f55\u6545\u304b\u5165\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f unknown\/unknown \u306b\u306a\u3063\u3066\u3044\u308b\u3002\u306f\u3066\uff1f<\/li>\n<li>element \u306e rank \uff08\u540c\u3058\u5165\u529b\u3092\u51e6\u7406\u3059\u308b element \u9593\u3067\u306e\u512a\u5148\u5ea6\uff09\u306f marginal (= unlikely to be chosen) \u306b\u306a\u3063\u3066\u3044\u308b\uff08\u3053\u308c\u306f avdec_huffyuv \u3082\u540c\u3058\uff09\u3002\u81ea\u5206\u304c\u4f5c\u308b element \u306f primary (= will be chosen first) \u306b\u3057\u3066\u304a\u3051\u3070\u3001 libav \u306e element \u7fa4\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u3066\u3082\u81ea\u5206\u304c\u4f5c\u3063\u305f\u3082\u306e\u304c\u512a\u5148\u7684\u306b\u4f7f\u308f\u308c\u308b\u306f\u305a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>avdec_ffv1 element \u3082\u3042\u308b\u3002\n<ul>\n<li>FFv1 \u306e\u5b9f\u88c5\u306f libavcodec \u306e\u7269\u304c\u30aa\u30ea\u30b8\u30ca\u30eb\u3067\u3042\u308b\u306f\u305a\u3060\u304c\u3001\u306a\u305c\u304b\u3053\u308c\u3082 rank \u304c marginal \u3067\u3042\u308b\u3002\u3044\u3044\u306e\u304b\uff1f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u3067\u3001\u30c6\u30b9\u30c8\u3067\u52d5\u753b\u30d5\u30a1\u30a4\u30eb\u3092 gst-play-1.0 \u3067\u518d\u751f\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001Huffyuv \u306f\u518d\u751f\u3067\u304d\u307e\u3059\u304c\u3001UtVideo (ULRG median) \u306f\u518d\u751f\u3067\u304d\u307e\u305b\u3093\uff08\u97f3\u58f0\u3060\u3051\u518d\u751f\u3055\u308c\u308b\uff09\u3002mov \u3060\u3068\u7d75\u304c\u51fa\u306a\u3044\u3069\u3053\u308d\u304b\u3061\u3087\u3063\u3068\u518d\u751f\u3057\u305f\u3068\u3053\u308d\u3067 core dump \u3057\u307e\u3059\u3002<\/p>\n<blockquote>\n<pre>\r\numezawa@devubuntu:~$ gst-play-1.0 test-360p-hyuv.avi\r\nPress 'k' to see a list of keyboard shortcuts.\r\nNow playing \/home\/umezawa\/test-360p-hyuv.avi\r\nRedistribute latency...\r\nRedistribute latency...\r\nRedistribute latency...\r\n0:01:02.4 \/ 0:01:02.4         < - \u6620\u50cf\u3082\u97f3\u58f0\u3082\u518d\u751f\u3055\u308c\u308b\r\nReached end of play list.\r\n\r\numezawa@devubuntu:~$ gst-play-1.0 test-360p-ulrg-median.avi\r\nPress 'k' to see a list of keyboard shortcuts.\r\nNow playing \/home\/umezawa\/test-360p-ulrg-median.avi\r\nWARNING No decoder available for type 'video\/x-avi-unknown, fourcc=(int)1196575829'.\r\nWARNING debug information: gsturidecodebin.c(931): unknown_type_cb (): \/GstPlayBin:playbin\/GstURIDecodeBin:uridecodebin0\r\nRedistribute latency...\r\n0:01:02.4 \/ 0:01:02.4         <- \u6620\u50cf\u306f\u518d\u751f\u3055\u308c\u305a\u3001\u97f3\u58f0\u3060\u3051\u518d\u751f\u3055\u308c\u308b\r\nReached end of play list.\r\n\r\numezawa@devubuntu:~$ gst-play-1.0 test-360p-ulrg.mov\r\nPress 'k' to see a list of keyboard shortcuts.\r\nNow playing \/home\/umezawa\/test-360p-ulrg.mov\r\nWARNING No decoder available for type 'video\/x-gst-fourcc-ULRG, width=(int)640, height=(int)360, framerate=(fraction)30000\/1001, pixel-aspect-ratio=(fraction)1\/1'.\r\nWARNING debug information: gsturidecodebin.c(931): unknown_type_cb (): \/GstPlayBin:playbin\/GstURIDecodeBin:uridecodebin0\r\nRedistribute latency...\r\nERROR pa_stream_writable_size() failed: Connection terminated for file:\/\/\/home\/umezawa\/test-360p-ulrg.mov\r\nERROR debug information: pulsesink.c(1752): gst_pulseringbuffer_commit (): \/GstPlayBin:playbin\/GstPlaySink:playsink\/GstBin:abin\/GstAutoAudioSink:audiosink\/GstPulseSink:audiosink-actual-sink-pulse\r\nReached end of play list.\r\n*** Error in `gst-play-1.0': double free or corruption (out): 0x00007f694c00e880 ***\r\nAborted (core dumped)\r\n<pre><\/pre>\n<\/blockquote>\n<p>\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30bd\u30fc\u30b9\u306f\u307e\u3060\u8aad\u3093\u3067\u307e\u305b\u3093\u304c\u3001avdec_utvideo element \u306e\u5165\u529b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c unknown\/unknown \u306a\u306e\u304c\u30c0\u30e1\u306a\u3093\u3067\u3059\u304b\u306d\uff1f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u4e00\u901a\u308a\u8aad\u3093\u3067\u3044\u3066\u3001\u3088\u3046\u3084\u304f Ubuntu Desktop \u4e0a\u3067\u65e2\u5b58\u306e element \u306e\u6319\u52d5\u3092\u8abf\u3079\u3066\u3044\u307e\u3059\u3002 \u3064\u3044\u3067\u306b\u8a00\u3046\u3068 Linux \u306f\u4eca\u307e\u3067 RedHat \u7cfb (RHL, Fedora, CentOS [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,27],"tags":[],"class_list":["post-6706","post","type-post","status-publish","format-standard","hentry","category-ut-video-codec-suite","category-technology"],"_links":{"self":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6706","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6706"}],"version-history":[{"count":9,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6706\/revisions"}],"predecessor-version":[{"id":6715,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6706\/revisions\/6715"}],"wp:attachment":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6706"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6706"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}