Gstreamer \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3001USB-HDMI \u30c9\u30f3\u30b0\u30eb\u304b\u3089\u53d6\u308a\u8fbc\u3093\u3067\u307f\u307e\u3059\u3002<\/p>\n\n\n\n
\u3068\u308a\u3042\u3048\u305a\u3001\u4e0a\u8a18\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n \u3000OpenOMX \u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u4f7f\u3063\u305f\u30a8\u30f3\u30b3\u30fc\u30c9\uff0f\u30c7\u30b3\u30fc\u30c9\u3067\u304d\u308b\u306e\u3067\u3001Raspberry Pi \u306e\u3088\u3046\u306a\u4f4e\u30b9\u30da\u30c3\u30af\u306e CPU \u3067\u306f\u3001\u4f7f\u3048\u306a\u3044\u3068\u53d6\u308a\u8fbc\u307f\u304c\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n \u3000\u53d6\u308a\u8fbc\u3093\u3060\u52d5\u753b\u3092\u8868\u793a\u3057\u307e\u3059\u3002\u6b21\u306f\u9332\u753b\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n \u3000\u4e8c\u5206\u9593\u306e\u9332\u753b\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n \u3000alsa \u3092\u4f7f\u3046\u306e\u3067\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n \u3000\u3067\u304d\u307e\u3057\u305f\u3002mp4 \u3067\u51fa\u529b\u3057\u3088\u3046\u3068\u3057\u307e\u3057\u305f\u304c\u3001mp4mux \u3067\u306f\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067 ts \u3067\u51fa\u529b\u3057\u307e\u3057\u305f\u3002\u51fa\u529b\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n \u3000tee \u3092\u4f7f\u3046\u3046\u3068\u8907\u6570\u306e\u30a8\u30ec\u30e1\u30f3\u30c8\u306b\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002\u30d7\u30ec\u30d3\u30e5\u30fc\u3068\u4fdd\u5b58\u306e\u4e21\u65b9\u3092\u540c\u6642\u306b\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n \u3000\u3067\u304d\u307e\u3057\u305f\u3002\u3051\u308c\u3069\u9577\u3044\u3067\u3059\u3002<\/p>\n\n\n\n \u3000\u5165\u529b\u306f 1280×720 \u3067\u30a8\u30f3\u30b3\u30fc\u30c9\u306f\u305d\u306e\u307e\u307e\u306e\u89e3\u50cf\u5ea6\u3067\u3001\u30d7\u30ec\u30d3\u30e5\u30fc\u306f 640×360 \u306b\u7e2e\u5c0f\u3057\u3066\u8868\u793a\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001omxh264enc \u306f\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u306e\u6307\u5b9a\u3092\u3084\u3081\u307e\u3057\u305f\u3002\u6307\u5b9a\u3059\u308b\u3068\u7d75\u306e\u5177\u304c\u4e0b\u306b\u6d41\u308c\u308b\u3088\u3046\u306a\u30ce\u30a4\u30ba\u304c\u6642\u3005\u5165\u308a\u307e\u3059\u3002\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3092\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070\u3001\u753b\u8cea\u306f\u3088\u304f\u3042\u308a\u307e\u305b\u3093\u304c\u5909\u306a\u30ce\u30a4\u30ba\u306f\u5165\u308a\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" Gstreamer \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3001USB-HDMI \u30c9\u30f3\u30b0\u30eb\u304b\u3089\u53d6\u308a\u8fbc\u3093\u3067\u307f\u307e\u3059\u3002 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb $ sudo apt-get install libgstreamer1.0-dev \\ libgstreamer- […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-433","post","type-post","status-publish","format-standard","hentry","category-gstreamer"],"_links":{"self":[{"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=433"}],"version-history":[{"count":9,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/433\/revisions"}],"predecessor-version":[{"id":742,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/433\/revisions\/742"}],"wp:attachment":[{"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}$ sudo apt-get install libgstreamer1.0-dev \\\n libgstreamer-plugins-base1.0-dev \\\n gstreamer1.0-tools libgtk2.0-dev \\\n gstreamer1.0-omx gstreamer1.0-plugins-bad \\\n gstreamer1.0-plugins-good<\/code><\/p>\n\n\n\nOpenMX \u3092\u4f7f\u3048\u308b\u304b\u78ba\u8a8d<\/h2>\n\n\n\n
$ gst-inspect-1.0 | grep omx\nomx: omxh264enc: OpenMAX H.264 Video Encoder\nomx: omxvc1dec: OpenMAX WMV Video Decoder\nomx: omxmjpegdec: OpenMAX MJPEG Video Decoder\nomx: omxvp8dec: OpenMAX VP8 Video Decoder\nomx: omxtheoradec: OpenMAX Theora Video Decoder\nomx: omxh264dec: OpenMAX H.264 Video Decoder\nomx: omxh263dec: OpenMAX H.263 Video Decoder\nomx: omxmpeg4videodec: OpenMAX MPEG4 Video Decoder\nomx: omxmpeg2videodec: OpenMAX MPEG2 Video Decoder\n<\/code><\/p>\n\n\n\n\u53d6\u308a\u8fbc\u3093\u3067\u898b\u308b<\/h2>\n\n\n\n
$ gst-launch-1.0 v4l2src device=\/dev\/video0 ! \\ \n image\/jpeg,width=640,height=480,framerate=30\/1 ! \\\n jpegdec ! videoconvert ! ximagesink<\/code><\/p>\n\n\n\n$ timeout 120 gst-launch-1.0 -v v4l2src ! videorate ! \\\n image\/jpeg,framerate=30\/1 ! jpegdec ! \\\n clockoverlay ! omxh264enc ! h264parse !\\\n mpegtsmux ! filesink location=test.ts<\/code><\/p>\n\n\n\n\u97f3\u58f0\u3082\u542b\u3081\u3066\u9332\u753b\u3059\u308b<\/h2>\n\n\n\n
$ udo apt-get install gstreamer1.0-alsa\n$ gst-launch-1.0 -v v4l2src ! videorate ! \\\n image\/jpeg,framerate=30\/1 ! jpegdec ! \\\n omxh264enc target-bitrate=1000000 control-rate=variable ! \\\n video\/x-h264,profile=high ! h264parse ! queue ! \\\n mpegtsmux name=mux alsasrc device=plughw:2 ! \\\n audioresample ! audio\/x-raw,rate=48000,size=8192 ! \\\n queue ! voaacenc bitrate=32000 ! queue ! \\\n mux. mux. ! filesink location=test.ts<\/code><\/p>\n\n\n\n$ fprobe test.ts\n\nInput #0, mpegts, from 'test.ts':\n Duration: 00:01:59.63, start: 3600.000000, bitrate: 155 kb\/s\n Program 1 \n Stream #0:0[0x41]: Video: h264 (High) (HDMV \/ 0x564D4448), yuv420p(progressive), 1920x1080, 30 tbr, 90k tbn, 180k tbc\n Stream #0:1[0x42](en): Audio: aac (LC) ([15][0][0][0] \/ 0x000F), 48000 Hz, stereo, fltp, 31 kb\/s<\/code><\/p>\n\n\n\n\u6620\u50cf\u3068\u97f3\u58f0\u3092\u30d7\u30ec\u30d3\u30e5\u30fc\u3059\u308b<\/h2>\n\n\n\n
$ gst-launch-1.0 -v v4l2src device=\/dev\/video0 ! \\\n image\/jpeg,width=1280,height=720,framerate=30\/1 ! \\\n jpegdec ! videoconvert ! \\\n ximagesink alsasrc device=plughw:2 ! \\\n audioresample ! audio\/x-raw,rate=48000 ! \\\n audioconvert ! autoaudiosink<\/code><\/p>\n\n\n\n\u4e00\u3064\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8907\u6570\u306e\u30a8\u30ec\u30e1\u30f3\u30c8\u306b\u6e21\u3059<\/h2>\n\n\n\n
$ gst-launch-1.0 -v v4l2src device=\/dev\/video0 ! \\\n videorate ! \\\n image\/jpeg,width=1280,height=720,framerate=30\/1 ! \\\n jpegdec ! tee name=v \\\n v. ! queue ! videoconvert ! \\\n videoscale ! video\/x-raw,width=640 ! ximagesink \\\n v. ! queue ! omxh264enc ! \\\n video\/x-h264,profile=high ! h264parse ! queue ! \\\n mpegtsmux name=mux alsasrc device=plughw:2 ! \\\n audioresample ! \\\n audio\/x-raw,rate=4800annel=2,size=16384 ! tee name=a \\\n a. ! queue ! audioconvert ! autoaudiosink \\\n a. ! queue ! \\\n voaacenc bitrate=128000 ! queue ! \\\n mux. mux. ! filesink location=test.ts<\/code><\/p>\n\n\n\n