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authorScott LaVarnway <slavarnway@google.com>2015-06-08 03:38:13 -0700
committerScott LaVarnway <slavarnway@google.com>2015-06-08 03:38:13 -0700
commitc9976b32b4397360192caef74a1bfee026d52b9c (patch)
treede65d7c53112f368f44da7de96661f2253bc5c96 /vp9/decoder/vp9_decodeframe.c
parent78b434e8b1c770c8abbd719cc838317f1b8e303c (diff)
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Update use_prev_frame_mvs flag in decoder.
Added check to see if last frame was all intra. This will eliminate two checks in find_mv_refs_idx(). Also, do not update the frame mvs if the current frame is all intra. This improved performance on material with frequent intra-only frames. Change-Id: I44a4042c3670ab0d38439d565062a0e2a1ba9d1e
Diffstat (limited to 'vp9/decoder/vp9_decodeframe.c')
-rw-r--r--vp9/decoder/vp9_decodeframe.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/vp9/decoder/vp9_decodeframe.c b/vp9/decoder/vp9_decodeframe.c
index 40055370a..c310cdb67 100644
--- a/vp9/decoder/vp9_decodeframe.c
+++ b/vp9/decoder/vp9_decodeframe.c
@@ -1313,6 +1313,7 @@ static size_t read_uncompressed_header(VP9Decoder *pbi,
size_t sz;
cm->last_frame_type = cm->frame_type;
+ cm->last_intra_only = cm->intra_only;
if (vp9_rb_read_literal(rb, 2) != VP9_FRAME_MARKER)
vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
@@ -1639,8 +1640,9 @@ void vp9_decode_frame(VP9Decoder *pbi,
cm->use_prev_frame_mvs = !cm->error_resilient_mode &&
cm->width == cm->last_width &&
cm->height == cm->last_height &&
- !cm->intra_only &&
- cm->last_show_frame;
+ !cm->last_intra_only &&
+ cm->last_show_frame &&
+ (cm->last_frame_type != KEY_FRAME);
vp9_setup_block_planes(xd, cm->subsampling_x, cm->subsampling_y);