Hi Ratin,
For libyami topic, please move to libyami at lists.01.org
Thanks
Haihao
> I then manually applied the first patch, but I get "ERROR: libtheora
> not found". Attaching my configure file, i am using the following
> flags:
>
> ./configure --enable-shared --disable-static --enable-gpl
> --enable-librtmp --enable-libmp3lame --enable-libssh --enable-pic
> --enable-opengl --enable-x11grab --enable-debug=3 --disable-stripping
> --disable-optimizations --enable-libyami-h264
>
>
> Does this look different that what you have?
>
>
>
>
> On Thu, Feb 26, 2015 at 5:02 PM, Ratin <ratin3 at gmail.com> wrote:
> Hi Guangxin,
> Thanks for your reply. I tried the patch and met with this
> error while trying to patch ffmpeg code :
>
>
> git apply -v --index
> 0001-update-configure-etc-to-use-libyami-for-h264-decode.patch
> Checking patch configure...
> Hunk #1 succeeded at 240 (offset 4 lines).
> Hunk #2 succeeded at 1038 (offset 6 lines).
> Hunk #3 succeeded at 1100 (offset 6 lines).
> error: while searching for:
> add_extralibs $(get_safe ${pkg}_libs)
> }
>
> require_libfreetype(){
> log require_libfreetype "$@"
> pkg="freetype2"
>
> error: patch failed: configure:1210
> error: configure: patch does not apply
> Checking patch libavcodec/Makefile...
> Hunk #1 succeeded at 759 (offset 12 lines).
> Checking patch libavcodec/allcodecs.c...
> Hunk #1 succeeded at 99 (offset 2 lines).
>
>
>
> I guess ffmpeg code has been changed ? What version should I
> get?
>
>
> Thanks
>
>
> Ratin
>
>
> On Wed, Feb 25, 2015 at 6:01 PM, Xu, Guangxin
> <guangxin.xu at intel.com> wrote:
> It’s hard to push this to ffmpeg upstream. So we put
> all patches and demos in
> https://github.com/01org/player-ffmpeg-yami.
>
> You can have a try.
>
>
>
> Thanks.
>
>
>
> From: Libva
> [mailto:libva-bounces at lists.freedesktop.org] On Behalf
> Of Ratin
> Sent: Thursday, February 26, 2015 5:50 AM
> To: Zhao, Halley
> Cc: libva at lists.freedesktop.org
> Subject: Re: [Libva] FW: libyami 0.2.0 release
>
>
>
> Hi, I saw the battle between you and ffmpeg
> developers, whats the latest status on this, is the
> ffmpeg patch available somewhere that I could try
> out?
>
>
> Thanks
>
>
> Ratin
>
>
>
>
>
>
> On Fri, Jan 9, 2015 at 2:09 AM, Zhao, Halley
> <halley.zhao at intel.com> wrote:
>
> Besides some feature update,
>
> - We created patches to use libyami in
> ffmpeg.
>
> - I added some thoughts on Wayland,
> GStreamer support etc.
>
> If you have some interest, please read below.
>
>
>
>
>
> From: Zhao, Halley
> Sent: Friday, January 09, 2015 6:07 PM
> To: 'libyami at lists.01.org'
> Cc: Li, Jocelyn; Kelley, Sean V
> Subject: libyami 0.2.0 release
>
>
>
>
> libyami 0.2.0 release
>
> =====================
>
>
>
> features update
>
> ---------------
>
> + add VP9 decoder
>
> + add VP8 encoder
>
> + add JPEG encoder
>
> + add Demux support leverage libavformat,:
> --enable-avformat
>
> - yamidecode runs ok when there is no
> xwindow rendering (-m -1/0)
>
> - v4l2decode is ok when there is with or w/o
> rendering
>
> - support libvaformat from the version
> installed in Ubuntu13.10
>
> - known issue: when there is
> video rendering, yamidecode blocks at
>
> XGetWindowAttributes() after libva
> dlopen(i965_drv).
>
> Add XInitThreads() make things worse. It
> is strange.
>
> + Fps update for "-m -1", we get stable
> performance data now
>
> + V4l2 fixes: seek, unconditionally stop
>
> + enable FFmpeg to use libyami for h264
> decoding, create example player to
>
> demonstrate it, especially on rendering
> video as texture through dma_buf
>
> https://github.com/01org/player-ffmpeg-yami
>
>
>
> known issues
>
> ---------------
>
> - for avformat support in yamidecode, when
> there is video rendering,
>
> yamidecode blocks at XGetWindowAttributes()
> after libva dlopen(i965_drv).
>
> Add XInitThreads() make things worse. It is
> strange.
>
> v4l2decode doesn't have such issue.
> (yamidecode is one thread application)
>
>
>
> thoughts on libyami (media framework and
> window system support)
>
> --------------------------------------------------
>
> these points are not our priority yet.
>
>
>
> + Wayland support
>
> We did a lot to support Wayland before:
>
> - add Wayland platform support in libva and
> driver, does hack to
>
> copy wayland-drm protocol from mesa/egl
>
> - add Wayland platform in middleware,
> gstreamer-vaapi for example
>
>
>
> the detects are:
>
> - so far, only plain rendering is supported:
> wl_surface_attach/wl_surface_damage;
>
> texture video rendering is still a gap
>
> - the shared
> wl_display/wl_window/wl_event_queue are
> complex and problematic
>
>
>
> it should be much easier with dma_buf.
>
> We needn't do anything special for native
> window system in either vaapi driver or
>
> codec library. with dma_buf handle exported,
> application can draw the video
>
> frame (dma_buf) by EGL/GLES, EGL handle
> native window system automatically(including
>
> wrap it into a wl_buffer internally).
>
>
>
> + GStreamer support
>
> We usually do a lot on hw video buffer
> sharing in GStreamer, hw video buffer are
>
> platform dependent, but the framework
> requires to wrap them in a generic way. we do
>
> a lot in decoder to wrap a platform
> dependent handle into a subclass of base
>
> video buffer, then unwrap it in video sink.
> and tries best to hide hw detail when
>
> a sw component request to access the frame
> data.
>
>
>
> it becomes simple when hw codec support
> dma_buf, since dma_buf is Linux generic.
>
> it is possible that hw video become not the
> 2nd class citizen any more. we don't
>
> need additional wrapper in decoder side, and
> we don't need a special video sink
>
> for each hw video type.
>
>
>
> + dma_buf rendering for legacy support
>
> in the above ideas, we usually consider
> EGL/GLES rendering context, how about
>
> legacy usage? it is simple as well.
>
>
>
> DRI3 protocol support dma_buf, it means a
> dma_buf handle can be sent to server
>
> for window update. Keith said mesa is using
> it, and on server side glamor handle
>
> the dma_buf. the remaining gap is that YUV
> buffer hasn't been supported yet, but
>
> not hard to add it.
>
>
>
>
>
> From: Zhao, Halley
> Sent: Friday, November 28, 2014 2:26 PM
> To: libyami at lists.01.org
> Cc: Li, Jocelyn; Kelley, Sean V
> Subject: libyami 0.1.4 release
>
>
>
>
> libyami 0.1.4 release
>
> =====================
>
>
>
> features update
>
> ---------------
>
> - Additional fixes(most are thread race
> condition) for v4l2 wrapper (egl/gles)
>
> - Add glx support in v4l2 wrapper
>
> - Basic transcoding support: encoder
> test accepts input data from decoder output
>
> - Testscript is added, it supports
> one-run-for-all: with a folder including
> h264/vp8/jpeg/raw-ref,
>
> we can test them in one run. It serves
> as BAT (basic acceptance test) for pull
> request merge.
>
> - Report fps in decode test, support
> decoding only test (skip rendering)
>
> - Vp8/jpeg are supported in v4l2 decoder
> as well
>
> - Decode test can be built/run without
> X11
>
> - Code refinement for decoder test
> output and encoder classes
>
> - dma_buf fixes, when video frame is
> exported as dma_buf, it renders well as
> texture
>
> - with additional patch for chrome:
>
> V4L2VDA/V4L2VEA pass chrome video unit
> test
>
> video playback in browser draft ok
>
> - for v4l2 wrapper, see:
> https://github.com/halleyzhao/yami-share/blob/master/Yami_V4L2_wrapper_for_Chrome.pdf
>
>
>
> known issues
>
> ---------------
>
> - this release has been fully tested by
> validation team
>
> - some jpeg file similarity <0.99
> (~0.98) after decoding
>
>
> https://github.com/01org/libyami/issues/108
>
>
>
> future release plan:
>
> ====================
>
> Dec: v0.2
>
> jpeg encoder
>
> vp9 decoder
>
> vp8 encoder (depends on driver
> availability)
>
> initial ffmpeg support
>
>
>
> Feb'15: v0.3
>
> unified input/output buffer of yami
>
> transcoding support with unified
> input/output buffer
>
> camera dma_buf support, camera with
> jpeg input
>
> use yami in ffmpeg for hw codec
>
>
>
> Future:
>
> h265 decoder
>
>
>
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>
>
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>
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>
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