Since the driver checkup is done at registering, there is no need to do it
when changing the element state from NULL to READY. This patch remove this
vmethod from vaapidecode.
To avoid surface-exhausted situation during reverse playback,
drop frames except for key frame.
Also, to avoid the corruption of the parser state, flush() vmethod
doesn't destroy the VA decoder when playing in reverse.
https://bugzilla.gnome.org/show_bug.cgi?id=742922
Signed-off-by: Víctor Manuel Jáquez Leal <victorx.jaquez@intel.com>
The queue in GstVaapiDecode adds an extra reference to the frames. This patch
unref that extra reference earlier making the code simpler to follow.
https://bugzilla.gnome.org/show_bug.cgi?id=768652
Calling drain() vmethod means "decode any data it can at this point, but that
more data may arrive after". Hence, vaapidecode should check if there is data
in the output adapter and process them, without destroying the decoded picture
buffer (dpb).
Since this operation is done by gst_vaapidecode_internal_flush(), the operation
was refactored into a new function gst_vaapidecode_flush_output_adapter().
https://bugzilla.gnome.org/show_bug.cgi?id=768652
Calling flush() vmethod means "to flush all remaining data from the decoder
without pushing it downstream".
Nonetheless flush() is calling gst_vaapidecode_internal_flush(), which calls
gst_video_decoder_have_frame() if there is still something in the input
adapter, which may push buffers to downstream by calling handle_frame().
This patch changes this behavior by calling gst_vaapidecode_purge() rather
than gst_vaapidecode_internal_flush(), which does what we want: flushes the VA
decoder and releases all the rest of decoded frames.
https://bugzilla.gnome.org/show_bug.cgi?id=768652
If the backend driver vendor string is not in a white-list, and the
environment variable GST_VAAPI_ALL_DRIVERS is not set either, the decoder will
change it state from NULL to READY, hence the auto-plug mechanism will look
for another decoder.
This patch assumes the GstContext has already being shared along the pipeline
and the element has a valid GstVaapiDisplay instance.
https://bugzilla.gnome.org/show_bug.cgi?id=764673
In bug 757598 was added the set_context() vmethod chain up in
GstVaapiPluginBase. But it is buggy, since the parent_class address is
assigned to the last element which called gst_vaapi_plugin_base_class_init().
No error has shown up since none of the element's base classes redefined
set_context() vmethod from GstElement, so always the correct function was
called. Still this code is wrong and this patch make it right.
Since set_context() is the same code, a macro is used to implement that code
in all the gst-vaapi elements.
https://bugzilla.gnome.org/show_bug.cgi?id=765368
Instead of using the srcpad template caps for filtering the peer caps, the
function gst_vaapi_find_preferred_caps_feature(), now receives a new parameter
for the element's allowed caps.
With this modification, the vaapipostproc element simplifies a bit its code.
https://bugzilla.gnome.org/show_bug.cgi?id=765223
The native format parameter in gst_vaapi_find_preferred_caps_feature() can be
saved if the out format is used for both: in and out. Thus the code is more
readable.
https://bugzilla.gnome.org/show_bug.cgi?id=765223
If the downstream feature is system memory, the surface has to be mapped,
hence a warning message is logged saying that the driver has to do color
conversions. This might be troublesome because not all the color conversion
combinations are supported by the VA-API drivers, and there is not a reliable
way to know them before hand.
https://bugzilla.gnome.org/show_bug.cgi?id=765223
As decoded_info is assured to be valid when gst_vaapidecode_update_src_caps()
is called, then we don't need to verify or replace it with the sinkpad info
(reference state).
https://bugzilla.gnome.org/show_bug.cgi?id=764316
active, do_pool_renego and do_outstate_renego class variables were used to
indicate when negotiate downstream once, but now that each time a new surface
resolution is pop out a renegotation verified, these variable are not required
anymore.
https://bugzilla.gnome.org/show_bug.cgi?id=764316
When resolving bug 753914, a custom allocation query was added, overlapping
the responsibilities of GstVideoDecoder.
But with the merge of the patches from bug 764421 this overlapping was not
required anymore. This patch restores this situation setting the
allocation_caps in the GstVideoCodecState when needed.
https://bugzilla.gnome.org/show_bug.cgi?id=764316
The plugins should not expose the feature meta:GstVideoGLTextureUploadMeta in
their caps templates if they were not compiled either with GLX or EGL support.
The P010 video format is the native format used by the vaapi intel driver
for HEVCMain10 decode . Add support for planes and images of this video format.
https://bugzilla.gnome.org/show_bug.cgi?id=759181
After the decoding of first frame, try to extract the exact
decoded surface format using vaDeriveImage and keep this
as the format in decoded_info.
https://bugzilla.gnome.org/show_bug.cgi?id=753914
-- Maintaing decoded surface resoluton and actual display resoultion separately
-- Before pushing every frames downstream, check for the requirement of pool negoation and
output_state negotiation: This is needed to avoid multiple issuses with cropping,
multi-resoluton video handling, more complex multi resolution decode scenarios for vp9decode,
possible wrong behaviour from upstream element to report uncropped values etc. Due to these reasons,
We can't just reliably use the resolution change notification from libgstvaapi for pool renegotiation too.
This is slight overhead, but safe enough. Optimization could be possible though.
https://bugzilla.gnome.org/show_bug.cgi?id=753914
This will help to consoidate the out caps negotiation to a single place,
which will make the code simpler, allows to get the exact decoded format
if needed and the selected chroma type too.
https://bugzilla.gnome.org/show_bug.cgi?id=753914
Don't expose the the vaapidecode GType, instead expose a function
which will register element.
This is the first step to split the decoder by codecs.
https://bugzilla.gnome.org/show_bug.cgi?id=734093
In commit 6034734d I forgot to add the caps filter intersection in the
getcaps() vmethod generating a regression when a capsfilter is set in the
pipeline.
This commit adds the caps filter intersection.
The usage of getcaps() vmethod is preferred than to handle manually the sink's
caps query.
In order to avoid function declarations, this patch moves the class_init()
method to the end of the file.
