v4l2_stateful_decoder: Initial commit

CLI that decodes a h264 or ivf bitstream
and writes the raw frames out or displays
them on the screen.

BUG=b:179075377
TEST=None

Change-Id: I39e7f673713d86428ac52b7b506cb57cc476eca3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/drm-tests/+/2680066
Reviewed-by: Fritz Koenig <frkoenig@chromium.org>
Reviewed-by: Miguel Casas <mcasas@chromium.org>
Reviewed-by: Steve Cho <stevecho@chromium.org>
Tested-by: Fritz Koenig <frkoenig@chromium.org>
Commit-Queue: Steve Cho <stevecho@chromium.org>
2 files changed