{"id":376,"date":"2021-03-18T19:18:11","date_gmt":"2021-03-18T10:18:11","guid":{"rendered":"https:\/\/sirius10.dip.jp\/blog\/wordpress\/?p=376"},"modified":"2021-03-31T13:49:48","modified_gmt":"2021-03-31T04:49:48","slug":"post-376","status":"publish","type":"post","link":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/2021\/03\/18\/376\/","title":{"rendered":"USB-DHMI\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc"},"content":{"rendered":"\n

USB \u63a5\u7d9a\u306e HDMI \u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u3092\u4f7f\u3063\u3066\u307f\u308b\u3002<\/p>\n\n\n\n

\u3000USB-HDMI \u306e\u30c9\u30f3\u30b0\u30eb\u304c\u5b89\u3044\u306e\u3067\u4f7f\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\"\"
USB-HDMI<\/figcaption><\/figure><\/div>\n\n\n\n

\u307e\u305a\u3001\u3064\u306a\u3052\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/h2>\n\n\n\n

$ lsusb
:
Bus 001 Device 009: ID 534d:2109
:<\/p>\n\n\n\n

\u30aa\u30fc\u30c7\u30a3\u30aa\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/h2>\n\n\n\n

$ arecord -l

**** \u30cf\u30fc\u3067\u30a6\u30a7\u30a2\u30c7\u30d0\u30a4\u30b9 CAPTURE \u306e\u30ea\u30b9\u30c8 ****
\u30ab\u30fc\u30c9 2: Video [USB Video], \u30c7\u30d0\u30a4\u30b9 0: USB Audio [USB Audio]
\u30b5\u30d6\u30c7\u30d0\u30a4\u30b9: 1\/1
\u30b5\u30d6\u30c7\u30d0\u30a4\u30b9 #0: subdevice #0<\/p>\n\n\n\n

\u30d3\u30c7\u30aa\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/h2>\n\n\n\n

$ v4l2-ctl –list-device

bcm2835-codec-decode (platform:bcm2835-codec):
\/dev\/video10
\/dev\/video11
\/dev\/video12
bcm2835-isp (platform:bcm2835-isp):
\/dev\/video13
\/dev\/video14
\/dev\/video15
\/dev\/video16
USB Video: USB Video (usb-0000:01:00.0-1.1.4):
\/dev\/video0
\/dev\/video1<\/p>\n\n\n\n

\u3000\/dev\/video0 \u3068 \/dev\/video1 \u306b\u306a\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n

\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/h2>\n\n\n\n

$ v4l2-ctl -d \/dev\/video0 –list-formats-ext\n\nioctl: VIDIOC_ENUM_FMT\n Type: Video Capture\n\n [0]: ‘MJPG’ (Motion-JPEG, compressed)\n Size: Discrete 1920×1080\n Interval: Discrete 0.017s (60.000 fps)\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.040s (25.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 1600×1200\n Interval: Discrete 0.017s (60.000 fps)\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.040s (25.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 1360×768\n Interval: Discrete 0.017s (60.000 fps)\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.040s (25.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 1280×1024\n Interval: Discrete 0.017s (60.000 fps)\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.040s (25.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 1280×960\n Interval: Discrete 0.017s (60.000 fps)\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.040s (25.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 1280×720\n Interval: Discrete 0.017s (60.000 fps)\n Interval: Discrete 0.020s (50.000 fps)\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 1024×768\n Interval: Discrete 0.017s (60.000 fps)\n Interval: Discrete 0.020s (50.000 fps)\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 800×600\n Interval: Discrete 0.017s (60.000 fps)\n Interval: Discrete 0.020s (50.000 fps)\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 720×576\n Interval: Discrete 0.017s (60.000 fps)\n Interval: Discrete 0.020s (50.000 fps)\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 720×480\n Interval: Discrete 0.017s (60.000 fps)\n Interval: Discrete 0.020s (50.000 fps)\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 640×480\n Interval: Discrete 0.017s (60.000 fps)\n Interval: Discrete 0.020s (50.000 fps)\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n [1]: ‘YUYV’ (YUYV 4:2:2)\n Size: Discrete 1920×1080\n Interval: Discrete 0.200s (5.000 fps)\n Size: Discrete 1600×1200\n Interval: Discrete 0.200s (5.000 fps)\n Size: Discrete 1360×768\n Interval: Discrete 0.125s (8.000 fps)\n Size: Discrete 1280×1024\n Interval: Discrete 0.125s (8.000 fps)\n Size: Discrete 1280×960\n Interval: Discrete 0.125s (8.000 fps)\n Size: Discrete 1280×720\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 1024×768\n Interval: Discrete 0.100s (10.000 fps)\n Size: Discrete 800×600\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Interval: Discrete 0.200s (5.000 fps)\n Size: Discrete 720×576\n Interval: Discrete 0.040s (25.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Interval: Discrete 0.200s (5.000 fps)\n Size: Discrete 720×480\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Interval: Discrete 0.200s (5.000 fps)\n Size: Discrete 640×480\n Interval: Discrete 0.033s (30.000 fps)\n Interval: Discrete 0.050s (20.000 fps)\n Interval: Discrete 0.100s (10.000 fps)\n Interval: Discrete 0.200s (5.000 fps)<\/p>\n\n\n\n

\u52d5\u753b\u306e\u5f62\u5f0f\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/h2>\n\n\n\n

$ ffmpeg -f video4linux2 -list_formats all -i \/dev\/video0
Compressed: mjpeg : Motion-JPEG : 1920×1080 1600×1200 1360×768 1280×1024 1280×960 1280×720 1024×768 800×600 720×576 720×480 640×480
Raw : yuyv422 : YUYV 4:2:2 : 1920×1080 1600×1200 1360×768 1280×1024 1280×960 1280×720 1024×768 800×600 720×576 720×480 640×480 <\/p>\n\n\n\n

\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u3057\u3066\u307f\u307e\u3059\u3002<\/h2>\n\n\n\n

\u3000\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u3059\u308b\u3060\u3051\u306a\u3089 ffmpeg \u3067\u3082\u3067\u304d\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n

$ ffmpeg -f alsa -thread_queue_size 16384 -i plughw:2 \\
-f v4l2 -s 1280×720 -input_format mjpeg -i \/dev\/video0 \\
-c:v h264_omx -b:v 5000k \\
-c:a aac -f matroska – | vlc –<\/p>\n\n\n\n

\u3000\u4f55\u3082\u3064\u306a\u3052\u3066\u3044\u306a\u3044\u306e\u3067\u30ab\u30e9\u30fc\u30d0\u30fc\u3060\u3051\u304c\u51fa\u307e\u3057\u305f\u3002CPU \u306f 100%(MAX 400%) \u3067\u3057\u305f\u3002\u305f\u3060\u300120fps \u304f\u3089\u3044\u3067\u3059\u3002<\/p>\n\n\n\n

$ ffmpeg -f alsa -thread_queue_size 16384 -i plughw:2 \\
-f v4l2 -s 1280×720 -input_format mjpeg -i \/dev\/video0 \\
-c:v h264_omx -b:v 5000k \\
-c:a aac output.mp4<\/p>\n\n\n\n

\u3000\u9332\u753b\u3057\u3066\u307f\u305f\u3089\u300159fps \u306b\u306a\u308a\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3001\u89e3\u50cf\u5ea6\u3092 1920×1080 \u306b\u3057\u305f\u3089\u300110fps \u307e\u3067\u843d\u3061\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

USB \u63a5\u7d9a\u306e HDMI \u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u3092\u4f7f\u3063\u3066\u307f\u308b\u3002 \u3000USB-HDMI \u306e\u30c9\u30f3\u30b0\u30eb\u304c\u5b89\u3044\u306e\u3067\u4f7f\u3063\u3066\u307f\u307e\u3057\u305f\u3002 \u307e\u305a\u3001\u3064\u306a\u3052\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002 $ lsusb :Bus 001 Device 009: ID 534d:210 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-376","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi"],"_links":{"self":[{"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/376","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=376"}],"version-history":[{"count":9,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/376\/revisions"}],"predecessor-version":[{"id":746,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/376\/revisions\/746"}],"wp:attachment":[{"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}