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| author | Minghai Shang <minghai@google.com> | 2014-10-14 16:25:03 -0700 |
|---|---|---|
| committer | Minghai Shang <minghai@google.com> | 2014-10-14 16:26:39 -0700 |
| commit | c113457af9880b8e15a36cdaabfd414d1c245693 (patch) | |
| tree | 367ded1111a9d288fd1bf39f3c80f1dbb88e2818 /vp9/encoder/vp9_firstpass.c | |
| parent | 2040bb58fbec7d06d5bdb1f6628bb058d3132ebf (diff) | |
| download | libvpx-c113457af9880b8e15a36cdaabfd414d1c245693.tar libvpx-c113457af9880b8e15a36cdaabfd414d1c245693.tar.gz libvpx-c113457af9880b8e15a36cdaabfd414d1c245693.tar.bz2 libvpx-c113457af9880b8e15a36cdaabfd414d1c245693.zip | |
[spatial svc]Another workaround to avoid using prev_mi
We encode a empty invisible frame in front of the base layer frame to
avoid using prev_mi. Since there's a restriction for reference frame
scaling factor, we have to make it smaller and smaller gradually until
its size is 16x16.
Change-Id: I60b680314e33a60b4093cafc296465ee18169c19
Diffstat (limited to 'vp9/encoder/vp9_firstpass.c')
| -rw-r--r-- | vp9/encoder/vp9_firstpass.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/vp9/encoder/vp9_firstpass.c b/vp9/encoder/vp9_firstpass.c index 9e204d7e9..760ec320c 100644 --- a/vp9/encoder/vp9_firstpass.c +++ b/vp9/encoder/vp9_firstpass.c @@ -2406,6 +2406,9 @@ void vp9_rc_get_second_pass_params(VP9_COMP *cpi) { cpi->ref_frame_flags &= (~VP9_LAST_FLAG & ~VP9_GOLD_FLAG & ~VP9_ALT_FLAG); lc->frames_from_key_frame = 0; + // Reset the empty frame resolution since we have a key frame. + cpi->svc.empty_frame_width = cm->width; + cpi->svc.empty_frame_height = cm->height; } } else { cm->frame_type = INTER_FRAME; |