On 03/08/2023 07:01, fei.w.wang-at-intel....@ffmpeg.org wrote:
From: Fei Wang <fei.w.w...@intel.com>
To support more reference frames from different directions.
Signed-off-by: Fei Wang <fei.w.w...@intel.com>
---
libavcodec/vaapi_encode.c | 112 +++++++++++++++++++++++++-------
libavcodec/vaapi_encode.h | 15 +++--
libavcodec/vaapi_encode_h264.c | 94 +++++++++++++--------------
libavcodec/vaapi_encode_h265.c | 76 +++++++++++++---------
libavcodec/vaapi_encode_mpeg2.c | 6 +-
libavcodec/vaapi_encode_vp8.c | 6 +-
libavcodec/vaapi_encode_vp9.c | 26 ++++----
7 files changed, 208 insertions(+), 127 deletions(-)
But why?
VAAPI at the top level doesn't care which direction the reference is in, it
only cares about the set of reference pictures in the DPB and used as reference.
It's up to the per-codec code to decide how it needs to structure that, like
how it builds L0/L1 for H.264 but for VP9 it's just a flat set.
Thanks,
- Mark
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