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9 commits

Author SHA1 Message Date
Seungha Yang
e2e45e51b0 codecs: vp9: Drop frames on non-keyframe format change 
... if subclass does not support the case

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1407>
 2021-12-02 19:19:59 +00:00
Nicolas Dufresne
43759ffeaa codecs: vp9: Also consider render_width/height 
Also emits new_sequence if on keyframe and the render_width/height have
change. The subclass can always optimize this if the frame resolution
didn't change, the output caps needs to reflect this though.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1407>
 2021-12-02 19:19:59 +00:00
Daniel Almeida
a2b0837bc5 codecs: gstvp9decoder: copy frame->system_frame_number into picture 
A comment in gstvp9picture.h states that picture->system_frame_number
should get its value from frame->system_frame_number, but in fact
it was never copied at all.

Fix it.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1012>
 2021-11-29 17:41:19 +00:00
Daniel Almeida
98dc7a64a0 codecs: gstvp9{decoder|statefulparser}: optionally parse compressed headers 
Rework gstvp9{decoder|statefulparser} to optionally parse compressed headers.
The information in these headers might be needed for accelerators
downstream, so optionally parse them if downstream requests it.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1012>
 2021-11-29 17:41:19 +00:00
Seungha Yang
88437a9c9b codecs: Use GST_VIDEO_DECODER_ERROR() only for decoding error case 
The GST_VIDEO_DECODER_ERROR() should be used only for robust/error-resilient
decoding purpose. Any other error codes such as not-negotiated or flushing
should be returned without modified for upstream to be able to handle
it immediately. (for example, application might want to try other
decoder element on not-negotiated)

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1070>
 2021-10-07 06:48:46 +00:00
Seungha Yang
571aad3980 codecs: {vp8,vp9}decoder: Drain on new_sequence() 
Decoder should drain queued frame (if any) and empty DPB before
starting new sequence.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/987>
 2021-10-02 12:11:48 +00:00
Seungha Yang
aab3ea2736 codecs: {vp8,vp9}decoder: Cleanup drain code 
Make them consistent with h26x decoder baseclass

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/987>
 2021-10-02 12:11:48 +00:00
Seungha Yang
c6ec7f3ea4 codecs: vp9decoder: add support for render delay 
Some decoding APIs support delayed output for performance reasons.
One example would be to request decoding for multiple frames and
then query for the oldest frame in the output queue.

This also increases throughput for transcoding and improves seek
performance when supported by the underlying backend.

Introduce support in the vp9 base class, so that backends that
support render delays can actually implement it.

Co-authored by Seungha Yang <seungha@centricular.com>

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/987>
 2021-10-02 12:11:48 +00:00
Thibault Saunier
019971a3c7 Move files from gst-plugins-bad into the "subprojects/gst-plugins-bad/" subdir 2021-09-24 16:14:36 -03:00
Renamed from gst-libs/gst/codecs/gstvp9decoder.c (Browse further)