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[0/2] media: hantro/rkvdec handle unsupported H.264 bitstreams

Message ID 20200626171130.27346-1-ezequiel@collabora.com (mailing list archive)
Headers
Series media: hantro/rkvdec handle unsupported H.264 bitstreams |

Message

Ezequiel Garcia June 26, 2020, 5:11 p.m. UTC 
Hi all,

Small patchset to add a check at TRY_EXT_CTRLS time,
via the H264 SPS control and reject unsupported bitstreams.

Properly refusing to decode unsupported bitstreams
allows applications to cleanly fallback to software
decoding.

Note that Rockchip VDEC hardware is capable of decoding High-10
and High-422 bitstreams. This needs more work, so for now
they are refused.

The same approach can be use on Cedrus, but since I'm not
very familiar there, I'll leave that to others.

Applies on top of media master.

Ezequiel Garcia (2):
  rkvdec: h264: Refuse to decode unsupported bitstream
  hantro: h264: Refuse to decode unsupported bitstream

 drivers/staging/media/hantro/hantro_drv.c | 29 ++++++++++++++++++++---
 drivers/staging/media/rkvdec/rkvdec.c     | 27 +++++++++++++++++++++
 2 files changed, 53 insertions(+), 3 deletions(-)