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Force show_frame=1 when show_existing_frame=1

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When showing a previously decoded frame, we need to
explicitly set the show_frame flag.

For the current frame being decoded this flag is
explicitly set in the frame header.

This should fix WebM Issue 696:
http://code.google.com/p/webm/issues/detail?id=696

Change-Id: I5751a809813f88d2ca6f62c47c3878475ff9ba8d
This commit is contained in:
Adrian Grange 2014-01-21 10:39:39 -08:00
parent 7a203301b7
commit 3246692ebc
1 changed files with 2 additions and 1 deletions
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3
vp9/decoder/vp9_decodeframe.c
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@ -1129,11 +1129,12 @@ static size_t read_uncompressed_header(VP9D_COMP *pbi,
cm->show_existing_frame = vp9_rb_read_bit(rb);
if (cm->show_existing_frame) {
// show an existing frame directly
// Show an existing frame directly.
int frame_to_show = cm->ref_frame_map[vp9_rb_read_literal(rb, 3)];
ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->new_fb_idx, frame_to_show);
pbi->refresh_frame_flags = 0;
cm->lf.filter_level = 0;
cm->show_frame = 1;
return 0;
}