$ gst-launch-1.0 -vvvv v4l2src ! videoscale ! video/x-raw, format=I420, width=1280, height=720, framerate=30/1 ! imxvpuenc_h264 bitrate=10000 ! filesink location=/tmp/720.mp4 
New clock: GstSystemClock

/GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = video/x-raw, format=(string)I420, width=(int)1280, height=(int)720, framerate=(fraction)30/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstVideoScale:videoscale0.GstPad:src: caps = video/x-raw, format=(string)I420, width=(int)1280, height=(int)720, framerate=(fraction)30/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = video/x-raw, format=(string)I420, width=(int)1280, height=(int)720, framerate=(fraction)30/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
[INFO]  ringBufferEnable 0, chromaInterleave 0, mapType 0, linear2TiledEnable 1
/GstPipeline:pipeline0/GstImxVpuEncoderH264:imxvpuencoderh264-0.GstPad:sink: caps = video/x-raw, format=(string)I420, width=(int)1280, height=(int)720, framerate=(fraction)30/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = video/x-raw, format=(string)I420, width=(int)1280, height=(int)720, framerate=(fraction)30/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstVideoScale:videoscale0.GstPad:sink: caps = video/x-raw, format=(string)I420, width=(int)1280, height=(int)720, framerate=(fraction)30/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstImxVpuEncoderH264:imxvpuencoderh264-0.GstPad:src: caps = video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, parsed=(boolean)true, width=(int)1280, height=(int)720, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)30/1, interlace-mode=(string)progressive, colorimetry=(string)bt709, chroma-site=(string)mpeg2
/GstPipeline:pipeline0/GstFileSink:filesink0.GstPad:sink: caps = video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, parsed=(boolean)true, width=(int)1280, height=(int)720, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)30/1, interlace-mode=(string)progressive, colorimetry=(string)bt709, chroma-site=(string)mpeg2

 

$ gst-launch-1.0 -vvvv v4l2src ! videoscale ! video/x-raw, format=I420, width=800, height=480, framerate=15/1 ! imxvpuenc_h264 bitrate=10000 ! filesink location=/tmp/480.mp4 
New clock: GstSystemClock
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = video/x-raw, format=(string)I420, width=(int)800, height=(int)480, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstVideoScale:videoscale0.GstPad:src: caps = video/x-raw, format=(string)I420, width=(int)800, height=(int)480, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = video/x-raw, format=(string)I420, width=(int)800, height=(int)480, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
[INFO]  ringBufferEnable 0, chromaInterleave 0, mapType 0, linear2TiledEnable 1
/GstPipeline:pipeline0/GstImxVpuEncoderH264:imxvpuencoderh264-0.GstPad:sink: caps = video/x-raw, format=(string)I420, width=(int)800, height=(int)480, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = video/x-raw, format=(string)I420, width=(int)800, height=(int)480, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstVideoScale:videoscale0.GstPad:sink: caps = video/x-raw, format=(string)I420, width=(int)800, height=(int)480, framerate=(fraction)15/1, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive
/GstPipeline:pipeline0/GstImxVpuEncoderH264:imxvpuencoderh264-0.GstPad:src: caps = video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, parsed=(boolean)true, width=(int)800, height=(int)480, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)15/1, interlace-mode=(string)progressive, colorimetry=(string)bt601, chroma-site=(string)jpeg
/GstPipeline:pipeline0/GstFileSink:filesink0.GstPad:sink: caps = video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, parsed=(boolean)true, width=(int)800, height=(int)480, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)15/1, interlace-mode=(string)progressive, colorimetry=(string)bt601, chroma-site=(string)jpeg

[링크 : https://community.nxp.com/t5/i-MX-Processors/Encode-problem-with-imxvpuenc-h264/m-p/513557]

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