AV Syncronization in gstreamer-0.10 ??

[Carlos Rafael Giani]

For tests, try connecting to the mfw_v4lsink and the autovideosink 
explicitely, instead of using playsink.
Also, make sure playsink does not enable interlacing, scaling, color 
conversion (these are all done by the CPU otherwise).

On 10/27/2014 12:05 PM, Subodh Chiwate wrote:
> Hi,
> I am using Freescale imx6. I am using following pipeline to play a video
> and corresponding audio file.
> The video playback is not working correctly. Lots of frame drops.
>
> ( Since I am unable to get any new BSP working with gstreamer 1.0, I am
> compelled to work with older gstreamer due to time constraints.)
>
> gst-launch-0.10 playsink name="psink" filesrc
> location=/unit_tests/M1832_1_v1.m4v ! h264parse ! vpudec !
> psink.video_sink sync=false filesrc location=/unit_tests/M1832_1_a1.aac
> ! queue ! aacparse ! beepdec ! psink.audio_sink sync=false
>
> root at imx6qsabresd:/unit_tests# gst-launch playsink name="psink" filesrc
> location
> =/unit_tests/M1832_1_v1.m4v ! h264parse ! vpudec ! psink.video_sink
> sync=false f
> ilesrc location=/unit_tests/M1832_1_a1.aac ! queue ! aacparse ! beepdec
> ! psink.
> audio_sink sync=false
>
> Setting pipeline to PAUSED ...
>
> [INFO]  Product Info: i.MX6Q/D/S
>
> vpudec versions :)
>
>         plugin: 3.0.11
>
>         wrapper: 1.0.46(VPUWRAPPER_ARM_LINUX Build on Oct 25 2014 
> 12:04:08)
>
>         vpulib: 5.4.23
>
>         firmware: 3.1.1.46056
>
> Pipeline is PREROLLING ...
>
> MFW_GST_V4LSINK_PLUGIN 3.0.11 build on Oct 25 2014 12:19:04.
>
> Beep: 3.0.11
>
> Core: AAC decoder Wrapper  build on Jan 22 2014 15:42:53
>
>   mime: audio/mpeg, mpegversion=(int){2,4}
>
>   file: /usr/lib/imx-mm/audio-codec/wrap/lib_aacd_wrap_arm12_elinux.so.3
>
> CODEC: BLN_MAD-MMCODECS_AACD_ARM_03.07.00_CORTEX-A8  build on Sep 18
> 2013 10:29:53.
>
> [INFO]  bitstreamMode 1, chromaInterleave 1, mapType 0, 
> tiled2LinearEnable 0
>
> mxc_v4l2_output v4l2_out.38: Bypass IC.
>
> >>V4L_SINK: Actually buffer status:
>
>         hardware buffer : 11
>
>         software buffer : 0
>
> Pipeline is PREROLLED ...
>
> Setting pipeline to PLAYING ...
>
> full screen size:1920x1080
>
> [V4L Update Display]: left=0, top=0, width=1920, height=1080
>
> set v4l display crop sucessfully
>
> New clock: GstAudioSinkClock
>
> WARNING: from element
> /GstPipeline:pipeline0/GstPlaySink:psink/GstBin:vbin/GstAutoVideoSink:videosink/MFW_GST_V4LSINK_INFO_T:videosink-actual-sink-mfw_v4l: 
>
> A lot of buffers ar.
>
> Additional debug info:
>
> /home/subodh/yocto/fsl-community-bsp/build/tmp/work/cortexa9hf-vfp-neon-poky-linux-gnueabi/gstreamer/0.10.36-r2/gstreamer-0.10.36/libs/gst/base/gstbasesink.c(2875): 
>
> gst_base_s:
>
> There may be a timestamping problem, or this computer is too slow.
>
> WARNING: from element
> /GstPipeline:pipeline0/GstPlaySink:psink/GstBin:vbin/GstAutoVideoSink:videosink/MFW_GST_V4LSINK_INFO_T:videosink-actual-sink-mfw_v4l: 
>
> A lot of buffers ar.
>
> Additional debug info:
>
> /home/subodh/yocto/fsl-community-bsp/build/tmp/work/cortexa9hf-vfp-neon-poky-linux-gnueabi/gstreamer/0.10.36-r2/gstreamer-0.10.36/libs/gst/base/gstbasesink.c(2875): 
>
> gst_base_s:
>
> There may be a timestamping problem, or this computer is too slow.
>
> WARNING: from element
> /GstPipeline:pipeline0/GstPlaySink:psink/GstBin:vbin/GstAutoVideoSink:videosink/MFW_GST_V4LSINK_INFO_T:videosink-actual-sink-mfw_v4l: 
>
> A lot of buffers ar.
>
> Additional debug info:
>
> /home/subodh/yocto/fsl-community-bsp/build/tmp/work/cortexa9hf-vfp-neon-poky-linux-gnueabi/gstreamer/0.10.36-r2/gstreamer-0.10.36/libs/gst/base/gstbasesink.c(2875): 
>
> gst_base_s:
>
> There may be a timestamping problem, or this computer is too slow.
>
> WARNING: from element
> /GstPipeline:pipeline0/GstPlaySink:psink/GstBin:vbin/GstAutoVideoSink:videosink/MFW_GST_V4LSINK_INFO_T:videosink-actual-sink-mfw_v4l: 
>
> A lot of buffers ar.
>
> Additional debug info:
>
> /home/subodh/yocto/fsl-community-bsp/build/tmp/work/cortexa9hf-vfp-neon-poky-linux-gnueabi/gstreamer/0.10.36-r2/gstreamer-0.10.36/libs/gst/base/gstbasesink.c(2875): 
>
> gst_base_s:
>
> There may be a timestamping problem, or this computer is too slow.
>
> WARNING: from element
> /GstPipeline:pipeline0/GstPlaySink:psink/GstBin:vbin/GstAutoVideoSink:videosink/MFW_GST_V4LSINK_INFO_T:videosink-actual-sink-mfw_v4l: 
>
> A lot of buffers ar.
>
> Additional debug info:
>
> /home/subodh/yocto/fsl-community-bsp/build/tmp/work/cortexa9hf-vfp-neon-poky-linux-gnueabi/gstreamer/0.10.36-r2/gstreamer-0.10.36/libs/gst/base/gstbasesink.c(2875): 
>
> gst_base_s:
>
> There may be a timestamping problem, or this computer is too slow.
>
> ^CCaught interrupt -- handling interrupt.
>
> Interrupt: Stopping pipeline ...
>
> Execution ended after 8019427334 ns.
>
> Setting pipeline to PAUSED ...
>
> Running time 0:00:08.016000000 render fps 0.749
>
> Setting pipeline to READY ...
>
> Total rendered:6
>
> Setting pipeline to NULL ...
>
> [--->FINALIZE v4l_sink
>
> Freeing pipeline ...
>
>
> -- 
> Regards,
> Subodh
>
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