vaapidecode to xvimagesink

rrazavi reza at userful.com
Tue Jan 14 14:38:22 PST 2014 

I've compiled and installed your patch from master to see if these changes
will affect, now gstreamer can link vaapidecode to xvimagesink but when I
run :

gst-launch-1.0 -v filesrc
location=/home/reza/Videos/thehobbit-tlr1_h1080p.mov ! qtdemux ! h264parse !
vaapidecode ! xvimagesink display=:9
libva info: VA-API version 0.34.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/local/lib64/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_34
libva info: va_openDriver() returns 0
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Got context from element 'vaapidecode0': gst.vaapi.Display=context,
display=(GstVaapiDisplay)NULL;
/GstPipeline:pipeline0/GstH264Parse:h264parse0.GstPad:sink: caps =
video/x-h264, stream-format=(string)avc, alignment=(string)au,
level=(string)4, profile=(string)main,
codec_data=(buffer)014d4028ff010014274d4028a9180f00cf600d4040406db0ad7bdf0101000428de09c8,
width=(int)1920, height=(int)816, framerate=(fraction)2997/125,
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)4, profile=(string)main, width=(int)1920, height=(int)816,
framerate=(fraction)2997/125, pixel-aspect-ratio=(fraction)1/1,
parsed=(boolean)true
/GstPipeline:pipeline0/GstVaapiDecode:vaapidecode0.GstPad:sink: caps =
video/x-h264, stream-format=(string)byte-stream, alignment=(string)au,
level=(string)4, profile=(string)main, width=(int)1920, height=(int)816,
framerate=(fraction)2997/125, pixel-aspect-ratio=(fraction)1/1,
parsed=(boolean)true
/GstPipeline:pipeline0/GstVaapiDecode:vaapidecode0.GstPad:src: caps =
video/x-raw, format=(string)NV12, width=(int)1920, height=(int)816,
pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive,
colorimetry=(string)bt709, framerate=(fraction)2997/125
ERROR: from element /GstPipeline:pipeline0/GstQTDemux:qtdemux0: GStreamer
encountered a general stream error.
Additional debug info:
qtdemux.c(4394): gst_qtdemux_loop ():
/GstPipeline:pipeline0/GstQTDemux:qtdemux0:
streaming stopped, reason not-negotiated
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
/GstPipeline:pipeline0/GstVaapiDecode:vaapidecode0.GstPad:src: caps = NULL

if i add videoconvert :

gst-launch-1.0 -v filesrc
location=/home/reza/Videos/thehobbit-tlr1_h1080p.mov ! qtdemux ! h264parse !
vaapidecode ! videoconvert ! xvimagesink display=:9
libva info: VA-API version 0.34.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/local/lib64/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_34
libva info: va_openDriver() returns 0
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Got context from element 'vaapidecode0': gst.vaapi.Display=context,
display=(GstVaapiDisplay)NULL;
/GstPipeline:pipeline0/GstH264Parse:h264parse0.GstPad:sink: caps =
video/x-h264, stream-format=(string)avc, alignment=(string)au,
level=(string)4, profile=(string)main,
codec_data=(buffer)014d4028ff010014274d4028a9180f00cf600d4040406db0ad7bdf0101000428de09c8,
width=(int)1920, height=(int)816, framerate=(fraction)2997/125,
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)4, profile=(string)main, width=(int)1920, height=(int)816,
framerate=(fraction)2997/125, pixel-aspect-ratio=(fraction)1/1,
parsed=(boolean)true
/GstPipeline:pipeline0/GstVaapiDecode:vaapidecode0.GstPad:sink: caps =
video/x-h264, stream-format=(string)byte-stream, alignment=(string)au,
level=(string)4, profile=(string)main, width=(int)1920, height=(int)816,
framerate=(fraction)2997/125, pixel-aspect-ratio=(fraction)1/1,
parsed=(boolean)true
/GstPipeline:pipeline0/GstVaapiDecode:vaapidecode0.GstPad:src: caps =
video/x-raw, format=(string)NV12, width=(int)1920, height=(int)816,
pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive,
colorimetry=(string)bt709, framerate=(fraction)2997/125
/GstPipeline:pipeline0/GstVideoConvert:videoconvert0.GstPad:src: caps =
video/x-raw, width=(int)1920, height=(int)816,
pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive,
framerate=(fraction)2997/125, format=(string)I420
/GstPipeline:pipeline0/GstXvImageSink:xvimagesink0.GstPad:sink: caps =
video/x-raw, width=(int)1920, height=(int)816,
pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive,
framerate=(fraction)2997/125, format=(string)I420
/GstPipeline:pipeline0/GstVideoConvert:videoconvert0.GstPad:sink: caps =
video/x-raw, format=(string)NV12, width=(int)1920, height=(int)816,
pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive,
colorimetry=(string)bt709, framerate=(fraction)2997/125
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
WARNING: from element /GstPipeline:pipeline0/GstXvImageSink:xvimagesink0: A
lot of buffers are being dropped.
Additional debug info:
gstbasesink.c(2791): gst_base_sink_is_too_late ():
/GstPipeline:pipeline0/GstXvImageSink:xvimagesink0:
There may be a timestamping problem, or this computer is too slow.
WARNING: from element /GstPipeline:pipeline0/GstXvImageSink:xvimagesink0: A
lot of buffers are being dropped.
Additional debug info:
gstbasesink.c(2791): gst_base_sink_is_too_late ():
/GstPipeline:pipeline0/GstXvImageSink:xvimagesink0:
There may be a timestamping problem, or this computer is too slow

my vainfo output is :
ibva info: VA-API version 0.34.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/local/lib64/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_34
libva info: va_openDriver() returns 0
vainfo: VA-API version: 0.34 (libva 1.2.0)
vainfo: Driver version: Intel i965 driver - 1.2.0
vainfo: Supported profile and entrypoints
      VAProfileNone                   :	VAEntrypointVideoProc
      VAProfileMPEG2Simple            :	VAEntrypointVLD
      VAProfileMPEG2Simple            :	VAEntrypointEncSlice
      VAProfileMPEG2Main              :	VAEntrypointVLD
      VAProfileMPEG2Main              :	VAEntrypointEncSlice
      VAProfileH264Baseline           :	VAEntrypointVLD
      VAProfileH264Baseline           :	VAEntrypointEncSlice
      VAProfileH264Main               :	VAEntrypointVLD
      VAProfileH264Main               :	VAEntrypointEncSlice
      VAProfileH264High               :	VAEntrypointVLD
      VAProfileH264High               :	VAEntrypointEncSlice
      VAProfileVC1Simple              :	VAEntrypointVLD
      VAProfileVC1Main                :	VAEntrypointVLD
      VAProfileVC1Advanced            :	VAEntrypointVLD
      VAProfileJPEGBaseline           :	VAEntrypointVLD

Thank you in advance,
Regards.
Reza





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