VASurface to OpengGL Texture and other questions
Sreerenj Balachandran
bsreerenj at gmail.com
Wed Mar 18 07:40:43 PDT 2015
Hi,
It seems to be a regression in gstreamer-vaapi, could you please file
a bug against gstreamer-vaapi in gnome bugzilla
https://bugzilla.gnome.org/enter_bug.cgi?product=gstreamer-vaapi
On Wed, Mar 18, 2015 at 4:27 PM, Jorge Fernandez Monteagudo
<jorgefm at cirsa.com> wrote:
> Hi Victor,
>
> Thanks for your detailed answer! My final destination is to embed a video player
> in a OpenGL application and I've though using a pipeline in a C program with
> these elements:
>
> filesrc location=big_buck_bunny_1080p_h264.mov ! qtdemux ! vaapidecode
>
> and, which is the recommended or better videosink in order to get the video frame
> in a texture to paint it inside my scene? I need to share the contexts, displays, etc.
> Appsink or glimagesink?
>
>
> By the way, which libva-dev version is needed to compile the gstreamer-vaapi master
> repository? With the Ubuntu 14.04 libva-dev 1.3.0-2 I get the next error:
>
> ...
> make[5]: Entering directory `/home/jorge/develop/nueva_arq/multimedia-vaapi/gstreamer1.0/gstreamer-vaapi-master/gstreamer-vaapi/gst-libs/gst/vaapi'
> CC libgstvaapi_1.4_la-gstvaapibufferproxy.lo
> In file included from gstvaapibufferproxy.c:27:0:
> gstvaapibufferproxy_priv.h:71:3: error: unknown type name 'VABufferInfo'
> VABufferInfo va_info;
> ^
> gstvaapibufferproxy.c: In function 'gst_vaapi_buffer_proxy_acquire_handle':
> gstvaapibufferproxy.c:80:40: error: request for member 'mem_type' in something not a structure or union
> const guint mem_type = proxy->va_info.mem_type;
>
>
> Regards,
> Jorge
>
> ________________________________________
> From: gstreamer-devel [gstreamer-devel-bounces at lists.freedesktop.org] On Behalf Of Víctor M. Jáquez L. [vjaquez at igalia.com]
> Sent: Wednesday, March 18, 2015 1:55 PM
> To: Discussion of the development of and with GStreamer
> Subject: Re: VASurface to OpengGL Texture and other questions
>
> On 03/18/15 at 01:42pm, Víctor M. Jáquez L. wrote:
>> On 03/18/15 at 08:31am, Jorge Fernandez Monteagudo wrote:
>> > Hi,
>> >
>> > I'm back to my troubles with VAAPI and OpenGL :)
>> >
>> > I've installed the last gstreamer/gst-plugins 1.4.5 and
>> > gstreamer-vaapi-0.5.9 in my Ubuntu 14.04 workstation with vdpau 0.7 and
>> > NVIDIA VDPAU Driver Shared Library 331.113
>>
>> There has been a lot of work on gstreamer-vaapi lately.
>>
>> If you use gstreamer 1.5 (current master) and gstreamer-vaapi 0.5.11 (current
>> master too), you'll have to specify EGL/GLES2 in order to use glimagesink:
>>
>> $ GST_GL_WINDOW=x11 GST_GL_API=gles2 GST_GL_PLATFORM=egl \
>> gst-play-1.0 big_buck_bunny_1080p_h264.mov --videosink=glimagesink --interactive
>>
>> (my hardware doesn't support mpeg4)
>>
>> GLX/OpenGL doesn't support "zero-copy" (emphasis in the quotation marks) with
>> glimagesink, because the display and the GL context is not shared in that case
>> (https://bugzilla.gnome.org/show_bug.cgi?id=745233).
>>
>> But, you can use clutterautovideosink since it works in the same thread, so
>> there's no need to handle the GL context:
>>
>> $ gst-play-1.0 big_buck_bunny_1080p_h264.mov --videosink=clutterautovideosink
>>
>>
>> If you use gstreamer-vaapi 0.5.11 (current master) with gstreamer 1.4 and
>> clutter-gst3, mostly it will work with clutterautovideosink, such as above.
>>
>> With glimagesink there are some issues with the auto-negotiation (the decoder
>> pushes frames without link to the next element) when using playbin, but your
>> crafted pipeline should work, thought "zero-copy" is not guaranteed:
>>
>> $ gst-launch-1.0 filesrc location=big_buck_bunny_1080p_h264.mov ! qtdemux ! vaapidecode ! glimagesink
>
> UPDATE:
>
> You can use glimagesink in gstreamer 1.4 and gstreamer 0.5.11 but you have to
> disable the dinterlace and the soft-colorbalance:
>
> $ gst-launch-1.0 playbin uri=file:///patterns/big_buck_bunny_1080p_h264.mov video-sink=glimagesink flags=0x17
>
>>
>>
>> vmjl
>>
>> >
>> > I'm trying to test the zero copy to implement a video player embedded in a
>> > OpenGL application. First of all I've tested a VAAPI only pipeline and is
>> > working ok.
>> >
>> > gst-launch-1.0 filesrc location=big_buck_bunny_720p_surround.avi ! avidemux ! vaapidecode ! vaapisink
>> >
>> > Then I've tried to use the OpenGL sink
>> >
>> > gst-launch-1.0 filesrc location=big_buck_bunny_720p_surround.avi ! avidemux ! vaapidecode ! glimagesink
>> >
>> > but a SIGSEGV is generated. Is it expected to work this pipeline??
>> >
>> > I was thinking using this pipeline in my videoplayer because glimagesink is
>> > able to use an external context, 'other-context' property, an glx context
>> > created by my application, and has a signal, 'client-draw', where you can do
>> > the painting process with a given texture from the videoframe. Is it
>> > correct??
>> >
>> > The second option could be change glimagesink with the appsink then the
>> > message question. Is it possible to convert the VASurface I get from
>> > vaapidecode to a OpenGL texture? Any example?
>> >
>> > Anybody has implemented something similar? What's the way to go?
>> >
>> > In order to allow debugging the SIGSEGV here is the gdb backtrace:
>> >
>> >
>> > $ gdb /usr/local/bin/gst-launch-1.0 GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
>> > Copyright (C) 2014 Free Software Foundation, Inc.
>> > License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
>> > This is free software: you are free to change and redistribute it.
>> > There is NO WARRANTY, to the extent permitted by law. Type "show copying"
>> > and "show warranty" for details.
>> > This GDB was configured as "x86_64-linux-gnu".
>> > Type "show configuration" for configuration details.
>> > For bug reporting instructions, please see:
>> > <http://www.gnu.org/software/gdb/bugs/>.
>> > Find the GDB manual and other documentation resources online at:
>> > <http://www.gnu.org/software/gdb/documentation/>.
>> > For help, type "help".
>> > Type "apropos word" to search for commands related to "word"...
>> > Reading symbols from /usr/local/bin/gst-launch-1.0...done.
>> > (gdb) set args filesrc location=/home/jorge/develop/harware/videos/big_buck_bunny_720p_surround.avi ! avidemux ! vaapidecode ! glimagesink
>> > (gdb) r
>> > Starting program: /usr/local/bin/gst-launch-1.0 filesrc location=/home/jorge/develop/harware/videos/big_buck_bunny_720p_surround.avi ! avidemux ! vaapidecode ! glimagesink
>> > [Thread debugging using libthread_db enabled]
>> > Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
>> > libva info: VA-API version 0.35.0
>> > libva info: va_getDriverName() returns 0
>> > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so
>> > libva info: Found init function __vaDriverInit_0_32
>> > libva info: va_openDriver() returns 0
>> > Setting pipeline to PAUSED ...
>> > [New Thread 0x7fffeb2fb700 (LWP 32254)]
>> > Pipeline is PREROLLING ...
>> > [New Thread 0x7fffeaafa700 (LWP 32255)]
>> > Got context from element 'vaapidecode0': gst.vaapi.Display=context, display=(GstVaapiDisplay)NULL;
>> > Got context from element 'glimagesink0': gst.gl.GLDisplay=context, gst.gl.GLDisplay=(GstGLDisplay)"\(GstGLDisplayX11\)\ gldisplayx11-0";
>> > [New Thread 0x7fffea2f9700 (LWP 32256)]
>> > [New Thread 0x7fffe96f4700 (LWP 32257)]
>> > Pipeline is PREROLLED ...
>> > Setting pipeline to PLAYING ...
>> > New clock: GstSystemClock
>> >
>> > Program received signal SIGSEGV, Segmentation fault.
>> > [Switching to Thread 0x7fffea2f9700 (LWP 32256)]
>> > 0x00007fffebbcb589 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so
>> > (gdb) bt
>> > #0 0x00007fffebbcb589 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so
>> > #1 0x00007fffebbc8ff5 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so
>> > #2 0x00007ffff40e042f in _gst_vaapi_texture_put_surface (flags=0, surface=0x7fffe400f700, texture=<optimized out>) at gstvaapitexture.c:510
>> > #3 gst_vaapi_texture_put_surface (texture=0x60d760, surface=0x7fffe400f700, flags=0) at gstvaapitexture.c:606
>> > #4 0x00007fffedc1a4ec in _do_upload_with_meta (context=<optimized out>, upload=0x7fffe40112c0) at gstglupload.c:357
>> > #5 0x00007fffedc1bd88 in _run_message_sync (message=0x7fffe96f3730) at gstglwindow.c:353
>> > #6 0x00007fffedc205b2 in _run_message (message=0x7fffd4002820) at gstglwindow_x11.c:598
>> > #7 0x00007ffff75bece5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #8 0x00007ffff75bf048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #9 0x00007ffff75bf30a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #10 0x00007fffedc0aac9 in gst_gl_context_create_thread (context=0x7fffe400c330) at gstglcontext.c:959
>> > #11 0x00007ffff75e3f05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #12 0x00007ffff7360182 in start_thread (arg=0x7fffea2f9700) at pthread_create.c:312
>> > #13 0x00007ffff708d00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>> > (gdb) info thr
>> > Id Target Id Frame
>> > 5 Thread 0x7fffe96f4700 (LWP 32257) "vaapidecode0:sr" pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
>> > * 4 Thread 0x7fffea2f9700 (LWP 32256) "gstglcontext" 0x00007fffebbcb589 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so
>> > 3 Thread 0x7fffeaafa700 (LWP 32255) "gmain" 0x00007ffff707fcbd in poll () at ../sysdeps/unix/syscall-template.S:81
>> > 2 Thread 0x7fffeb2fb700 (LWP 32254) "avidemux0:sink" __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
>> > 1 Thread 0x7ffff7fd4740 (LWP 32250) "gst-launch-1.0" 0x00007ffff707fcbd in poll () at ../sysdeps/unix/syscall-template.S:81
>> > (gdb) thr 1
>> > [Switching to thread 1 (Thread 0x7ffff7fd4740 (LWP 32250))]
>> > #0 0x00007ffff707fcbd in poll () at ../sysdeps/unix/syscall-template.S:81
>> > 81 ../sysdeps/unix/syscall-template.S: No such file or directory.
>> > (gdb) bt
>> > #0 0x00007ffff707fcbd in poll () at ../sysdeps/unix/syscall-template.S:81
>> > #1 0x00007ffff75befe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #2 0x00007ffff75bf30a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #3 0x00007ffff7b0c974 in gst_bus_poll (bus=bus at entry=0x6fe6f0, events=events at entry=GST_MESSAGE_ANY, timeout=<optimized out>) at gstbus.c:1091
>> > #4 0x0000000000404608 in event_loop (pipeline=0x77c150, blocking=blocking at entry=1, do_progress=do_progress at entry=0, target_state=target_state at entry=GST_STATE_PLAYING)
>> > at gst-launch.c:512
>> > #5 0x00000000004037c6 in main (argc=9, argv=0x7fffffffda88) at gst-launch.c:1090
>> > (gdb) thr 2
>> > [Switching to thread 2 (Thread 0x7fffeb2fb700 (LWP 32254))]
>> > #0 __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
>> > 135 ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: No such file or directory.
>> > (gdb) bt
>> > #0 __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
>> > #1 0x00007ffff7362672 in _L_lock_953 () from /lib/x86_64-linux-gnu/libpthread.so.0
>> > #2 0x00007ffff73624da in __GI___pthread_mutex_lock (mutex=0x768710) at ../nptl/pthread_mutex_lock.c:114
>> > #3 0x00007ffff4dd406f in gst_video_decoder_chain (pad=<optimized out>, parent=0x769790, buf=0x7fffe4003c10) at gstvideodecoder.c:2149
>> > #4 0x00007ffff7b35958 in gst_pad_chain_data_unchecked (data=0x7fffe4003c10, type=4112, pad=0x70a480) at gstpad.c:3830
>> > #5 gst_pad_push_data (pad=0x70b1a0, type=type at entry=4112, data=<optimized out>) at gstpad.c:4063
>> > #6 0x00007ffff7b3c806 in gst_pad_push (pad=<optimized out>, buffer=<optimized out>) at gstpad.c:4174
>> > #7 0x00007ffff56accb7 in gst_avi_demux_loop_data (avi=<optimized out>) at gstavidemux.c:5244
>> > #8 gst_avi_demux_loop (pad=<optimized out>) at gstavidemux.c:5623
>> > #9 0x00007ffff7b63571 in gst_task_func (task=0x80b050) at gsttask.c:316
>> > #10 0x00007ffff75e488c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #11 0x00007ffff75e3f05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #12 0x00007ffff7360182 in start_thread (arg=0x7fffeb2fb700) at pthread_create.c:312
>> > #13 0x00007ffff708d00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>> > (gdb) thr 3
>> > [Switching to thread 3 (Thread 0x7fffeaafa700 (LWP 32255))]
>> > #0 0x00007ffff707fcbd in poll () at ../sysdeps/unix/syscall-template.S:81
>> > 81 ../sysdeps/unix/syscall-template.S: No such file or directory.
>> > (gdb) bt
>> > #0 0x00007ffff707fcbd in poll () at ../sysdeps/unix/syscall-template.S:81
>> > #1 0x00007ffff75befe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #2 0x00007ffff75bf0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #3 0x00007ffff75bf129 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #4 0x00007ffff75e3f05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #5 0x00007ffff7360182 in start_thread (arg=0x7fffeaafa700) at pthread_create.c:312
>> > #6 0x00007ffff708d00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>> > (gdb) thr 4
>> > [Switching to thread 4 (Thread 0x7fffea2f9700 (LWP 32256))]
>> > #0 0x00007fffebbcb589 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so
>> > (gdb) bt
>> > #0 0x00007fffebbcb589 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so
>> > #1 0x00007fffebbc8ff5 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so
>> > #2 0x00007ffff40e042f in _gst_vaapi_texture_put_surface (flags=0, surface=0x7fffe400f700, texture=<optimized out>) at gstvaapitexture.c:510
>> > #3 gst_vaapi_texture_put_surface (texture=0x60d760, surface=0x7fffe400f700, flags=0) at gstvaapitexture.c:606
>> > #4 0x00007fffedc1a4ec in _do_upload_with_meta (context=<optimized out>, upload=0x7fffe40112c0) at gstglupload.c:357
>> > #5 0x00007fffedc1bd88 in _run_message_sync (message=0x7fffe96f3730) at gstglwindow.c:353
>> > #6 0x00007fffedc205b2 in _run_message (message=0x7fffd4002820) at gstglwindow_x11.c:598
>> > #7 0x00007ffff75bece5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #8 0x00007ffff75bf048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #9 0x00007ffff75bf30a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #10 0x00007fffedc0aac9 in gst_gl_context_create_thread (context=0x7fffe400c330) at gstglcontext.c:959
>> > #11 0x00007ffff75e3f05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #12 0x00007ffff7360182 in start_thread (arg=0x7fffea2f9700) at pthread_create.c:312
>> > #13 0x00007ffff708d00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>> > (gdb) thr 5
>> > [Switching to thread 5 (Thread 0x7fffe96f4700 (LWP 32257))]
>> > #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
>> > 185 ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: No such file or directory.
>> > (gdb) bt
>> > #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
>> > #1 0x00007ffff7600bf7 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #2 0x00007fffedc1c4eb in gst_gl_window_default_send_message (window=0x7fffe400e020, callback=<optimized out>, data=<optimized out>) at gstglwindow.c:379
>> > #3 0x00007fffedc0b43d in gst_gl_context_thread_add (context=<optimized out>, func=func at entry=0x7fffedc1a4b0 <_do_upload_with_meta>, data=data at entry=0x7fffe40112c0)
>> > at gstglcontext.c:1104
>> > #4 0x00007fffedc1aa9c in gst_gl_upload_perform_with_gl_texture_upload_meta (upload=upload at entry=0x7fffe40112c0, meta=meta at entry=0x7fffe4017418,
>> > texture_id=texture_id at entry=0x7fffe96f3830) at gstglupload.c:407
>> > #5 0x00007fffedc1ad17 in gst_gl_upload_perform_with_buffer (upload=0x7fffe40112c0, buffer=buffer at entry=0x7fffe4003280, tex_id=tex_id at entry=0x77ace8)
>> > at gstglupload.c:299
>> > #6 0x00007fffede3ff55 in gst_glimage_sink_prepare (bsink=0x77a950, buf=0x7fffe4003280) at gstglimagesink.c:759
>> > #7 0x00007ffff58dd2a1 in gst_base_sink_chain_unlocked (basesink=basesink at entry=0x77a950, obj=obj at entry=0x7fffe4003280, is_list=is_list at entry=0, pad=<optimized out>)
>> > at gstbasesink.c:3375
>> > #8 0x00007ffff58deaf4 in gst_base_sink_chain_main (basesink=0x77a950, pad=<optimized out>, obj=0x7fffe4003280, is_list=0) at gstbasesink.c:3538
>> > #9 0x00007ffff7b35958 in gst_pad_chain_data_unchecked (data=0x7fffe4003280, type=4112, pad=0x70a8e0) at gstpad.c:3830
>> > #10 gst_pad_push_data (pad=0x70a6b0, type=type at entry=4112, data=<optimized out>, data at entry=0x7fffe4003280) at gstpad.c:4063
>> > #11 0x00007ffff7b3c806 in gst_pad_push (pad=<optimized out>, buffer=buffer at entry=0x7fffe4003280) at gstpad.c:4174
>> > #12 0x00007ffff4dd27af in gst_video_decoder_clip_and_push_buf (decoder=decoder at entry=0x769790, buf=buf at entry=0x7fffe4003280) at gstvideodecoder.c:2804
>> > #13 0x00007ffff4dd8628 in gst_video_decoder_finish_frame (decoder=decoder at entry=0x769790, frame=0x0, frame at entry=0x7fffe4003b00) at gstvideodecoder.c:2710
>> > #14 0x00007ffff4700aac in gst_vaapidecode_push_decoded_frame (out_frame=0x7fffe4003b00, vdec=0x769790) at gstvaapidecode.c:365
>> > #15 gst_vaapidecode_decode_loop (decode=0x769790) at gstvaapidecode.c:430
>> > #16 0x00007ffff7b63571 in gst_task_func (task=0x80b5f0) at gsttask.c:316
>> > #17 0x00007ffff75e488c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > #18 0x00007ffff75e3f05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
>> > ---Type <return> to continue, or q <return> to quit---
>> > #19 0x00007ffff7360182 in start_thread (arg=0x7fffe96f4700) at pthread_create.c:312
>> > #20 0x00007ffff708d00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>> >
>> >
>> > Regards,
>> > Jorge
>> >
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--
Regards,
Sreerenj Balachandran
Intel Open Source Technology Center
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