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Performance

  1. 測試編解碼器性能
    1. jpeg
    2. h264, h265
  2. 測試色彩空間轉換性能
    1. NV12 -> BGRA
    2. I420 -> BGRA
  3. 測試 moil remap 性能
    1. bgra
  4. 整合測試
    1. jpeg -> I420 -> BGRA -> moil remap -> videosink
    2. h264 -> NV12 -> BGRA -> moil remap -> videosink
    3. h265 -> NV12 -> BGRA -> moil remap -> videosink

Element​

Video Capture Plugin​

v4l2src

Video Decode Plugin​

avdec_h264 avdec_h265 omxh264dec omxh265dec

Video Encode Plugin​

omxh264enc omxh265enc

Video Conversion Plugin​

videoconvert glcolorconvert vspmfilter (RZ/G2L and RZ/V2H) vaapipostproc (PC only)

Video Sink Plugin​

waylandsink glimagesink vaapisink (PC only)

Mux/Demux Plugin​

mp4mux qtdemux

Audio Plugin​

alsasink

Network Protocol Plugin​

udpsrc udpsink

gst-launch-1.0 videotestsrc ! "video/x-raw, formate=BGRA,width=1920, height=1080" ! fpsdisplaysink text-overlay=false video-sink=fakevideosink -v
gst-launch-1.0 videotestsrc num-buffers=1 ! "video/x-raw, formate=BGRA,width=1920, height=1080" ! filesink location=test.bgra
gst-launch-1.0 videotestsrc num-buffers=1 ! "video/x-raw, formate=NV12,width=1920, height=1080" ! filesink location=test.nv12

save to jpeg

gst-launch-1.0 videotestsrc num-buffers=1 ! "video/x-raw, formate=BGRA,width=1920, height=1080" ! videoconvert ! jpegenc ! filesink location=test.jpg
gst-launch-1.0 filesrc location=test.bgra ! videoparse width=1920 height=1080 formate=BGRA ! imagefreeze ! fpsdisplaysink text-overlay=false video-sink=fakevideosink -v
gst-launch-1.0 videotestsrc ! videoconvert ! fpsdisplaysink text-overlay=false video-sink=fakevideosink sync=false -v
gst-launch-1.0 multifilesrc location=test.jpg loop=true num-buffers=600 ! jpegdec ! fpsdisplaysink text-overlay=false video-sink=fakevideosink -v
gst-launch-1.0 multifilesrc location=test.jpg loop=true num-buffers=600 ! jpegdec ! fpsdisplaysink text-overlay=false video-sink=fakevideosink -v

建立測試用的Raw檔案

BGRA、NV12、I420、YUV2

gst-launch-1.0 videotestsrc num-buffers=300 ! video/x-raw,format=NV12,width=1920,height=1080 ! filesink location=test_1080p.nv12

gst-launch-1.0 v4l2src num-buffers=300 ! jpegdec ! videoconvert ! video/x-raw,format=NV12,width=1920,height=1080 ! filesink location=camera_1080p.nv12