Hi Nicolas, On Sat, Jan 16, 2021 at 11:46 PM Nicolas Dufresne <nicolas@xxxxxxxxxxxx> wrote: > Perhaps you would explain in detail what isn't color correct ? To debug this, Here is the movie showing the incorrect colors: https://www.dropbox.com/s/a4ifivpoi663dkd/mx53.mp4?dl=0 The original video is this one: http://cdn.clipcanvas.com/sample/clipcanvas_14348_offline.mp4 Please note that the color mismatch is not related to this specific video sample. It happens with all videos I have tried. > you probably want to inspect the caps and the colorimetry negotiated between > each element (use -v in gst-launch-1.0). It's quite possible that the decoder is > ignoring upstream colors and get badly hinted by the driver, or that kmssink is > pnot passing colorimetry to the driver. Here is the -v output: # gst-launch-1.0 -v filesrc location=/media/clip.mp4 ! qtdemux ! h264parse ! v4l2h264dec ! kmssink Setting pipeline to PAUSED ... [ 15.113196] msm msm: [drm:adreno_request_fw] loaded qcom/yamato_pm4.fw from new location [ 15.124377] msm msm: [drm:adreno_request_fw] loaded qcom/yamato_pfp.fw from new location Pipeline is PREROLLING ... /GstPipeline:pipeline0/GstKMSSink:kmssink0: display-width = 1024 /GstPipeline:pipeline0/GstKMSSink:kmssink0: display-height = 576 /GstPipeline:pipeline0/GstH264Parse:h264parse0.GstPad:sink: caps = video/x-h264, stream-format=(string)avc, alignment=(string)au, level=(string)3.1, profile=(string)main, codec_data=(buffer)014d401fffe10 023674d401f967200800936028100000e100002bf203460016e40016e45ef7c1e1108a24001000468de3c80, width=(int)1024, height=(int)576, pixel-aspect-ratio=(fraction)1/1 /GstPipeline:pipeline0/GstH264Parse:h264parse0.GstPad:src: caps = video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, level=(string)3.1, profile=(string)main, width=(int)1024, height=( int)576, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)25/1, chroma-format=(string)4:2:0, bit-depth-luma=(uint)8, bit-depth-chroma=(uint)8, parsed=(boolean)true /GstPipeline:pipeline0/v4l2h264dec:v4l2h264dec0.GstPad:sink: caps = video/x-h264, stream-format=(string)byte-stream, alignment=(string)au, level=(string)3.1, profile=(string)main, width=(int)1024, height=(int)576, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)25/1, chroma-format=(string)4:2:0, bit-depth-luma=(uint)8, bit-depth-chroma=(uint)8, parsed=(boolean)true /GstPipeline:pipeline0/v4l2h264dec:v4l2h264dec0.GstPad:src: caps = video/x-raw, format=(string)I420, width=(int)1024, height=(int)576, interlace-mode=(string)progressive, multiview-mode=(string)mono, multiview-flags=(GstVideoMultiviewFlagsSet)0:ffffffff:/right-view-first/left-flipped/left-flopped/right-flipped/right-flopped/half-aspect/mixed-mono, pixel-aspect-ratio=(fraction)1/1, chroma-site=(string)jp eg, colorimetry=(string)bt601, framerate=(fraction)25/1 /GstPipeline:pipeline0/GstKMSSink:kmssink0.GstPad:sink: caps = video/x-raw, format=(string)I420, width=(int)1024, height=(int)576, interlace-mode=(string)progressive, multiview-mode=(string)mono, multiview-flags=(GstVideoMultiviewFlagsSet)0:ffffffff:/right-view-first/left-flipped/left-flopped/right-flipped/right-flopped/half-aspect/mixed-mono, pixel-aspect-ratio=(fraction)1/1, chroma-site=(string)jpeg,colorimetry=(string)bt601, framerate=(fraction)25/1 Pipeline is PREROLLED ...0 %) Setting pipeline to PLAYING ... New clock: GstSystemClock Any adjustment I need to do in the Gstreamer pipeline to negotiate the correct colors to the display? Thanks
