Android視訊錄製命令screenrecord

峻峰飛陽發表於2016-11-09

你要知道:

  • screenrecord是一個shell命令
  • 支援Android4.4(API level 19)以上
  • 支援視訊格式: mp4

一些限制

  • 某些裝置可能無法直接錄製,原因是解析度太高,如果遇到此類問題,請試著指定較低的解析度
  • 不支援錄製過程中螢幕旋轉,如果錄製過程中旋轉,有可能畫面被切斷
  • 錄製視訊的時候聲音不會被錄下來

開始錄製命令:

adb shell screenrecord /sdcard/demo.mp4

說明:錄製手機螢幕,視訊格式為mp4,存放到手機sd卡里,預設錄製時間為180s

限制錄製時間:

引數: --time-limit

adb shell screenrecord  --time-limit 10 /sdcard/demo.mp4

說明:限制視訊錄製時間為10s,如果不限制,預設180s

指定視訊解析度大小:

引數: --size

adb shell screenrecord --size 1280*720 /sdcard/demo.mp4

說明:錄製視訊,解析度為1280*720,如果不指定預設使用手機的解析度,為獲得最佳效果,請使用裝置上的高階視訊編碼(AVC)支援的大小

指定視訊的位元率

引數: --bit-rate

adb shell screenrecord --bit-rate 6000000 /sdcard/demo.mp4

說明:指定視訊的位元率為6Mbps,如果不指定,預設為4Mbps. 你可以增加位元率以提高視訊質量或為了讓檔案更小而降低位元率

在命令列顯示log

引數: --verbose

bixiaopeng@bixiaopeng wirelessqa$ adb shell screenrecord --time-limit 10 --verbose /sdcard/demo.mp4
Main display is 1080x1920 @60.00fps (orientation=0)
Configuring recorder for 1080x1920 video at 4.00Mbps
Content area is 1080x1920 at offset x=0 y=0
Time limit reached
Encoder stopping; recorded 96 frames in 10 seconds
Stopping encoder and muxer
Executing: /system/bin/am broadcast -a android.intent.action.MEDIA_SCANNER_SCAN_FILE -d file:///sdcard/demo.mp4

Broadcasting: Intent { act=android.intent.action.MEDIA_SCANNER_SCAN_FILE dat=file:///sdcard/demo.mp4 }
Broadcast completed: result=0

旋轉90度

引數: --rotate

說明:此功能為實驗性的,好不好用不知道

檢視幫助命令

引數: --help

bixiaopeng@bixiaopeng ~$ adb shell screenrecord --help
Usage: screenrecord [options] <filename>

Records the device's display to a .mp4 file.

Options:
--size WIDTHxHEIGHT
    Set the video size, e.g. "1280x720".  Default is the device's main
    display resolution (if supported), 1280x720 if not.  For best results,
    use a size supported by the AVC encoder.
--bit-rate RATE
    Set the video bit rate, in megabits per second.  Default 4Mbps.
--time-limit TIME
    Set the maximum recording time, in seconds.  Default / maximum is 180.
--rotate
    Rotate the output 90 degrees.
--verbose
    Display interesting information on stdout.
--help
    Show this message.

Recording continues until Ctrl-C is hit or the time limit is reached.

匯出視訊:

adb pull /sdcard/demo.mp4

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