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| author | Jim Bankoski <jimbankoski@google.com> | 2012-02-13 08:21:24 -0800 |
|---|---|---|
| committer | Jim Bankoski <jimbankoski@google.com> | 2012-02-13 12:31:12 -0800 |
| commit | af8f1928d1ca6df5ae6961acebd524da585fa8ab (patch) | |
| tree | 5b56a12f8ad6232628855509462f2a99365f6ca2 /vp8/decoder/decodframe.c | |
| parent | 2d1ead342cbaaba5f5fd07c3165f48e1029d327c (diff) | |
| download | libvpx-af8f1928d1ca6df5ae6961acebd524da585fa8ab.tar libvpx-af8f1928d1ca6df5ae6961acebd524da585fa8ab.tar.gz libvpx-af8f1928d1ca6df5ae6961acebd524da585fa8ab.tar.bz2 libvpx-af8f1928d1ca6df5ae6961acebd524da585fa8ab.zip | |
vp8 - config_featureupdates
Added a bit to signify that the feature changed since
the last time we sent it, or not so that we don't need
to send all the databits for every feature change.
added config
Change-Id: I8d3064ce90d4500bf0d5c6b87c664e46138dfcac
Diffstat (limited to 'vp8/decoder/decodframe.c')
| -rw-r--r-- | vp8/decoder/decodframe.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/vp8/decoder/decodframe.c b/vp8/decoder/decodframe.c index c5385a022..abf85eb28 100644 --- a/vp8/decoder/decodframe.c +++ b/vp8/decoder/decodframe.c @@ -1158,6 +1158,39 @@ int vp8_decode_frame(VP8D_COMP *pbi) // For each of the segments features... for (j = 0; j < SEG_LVL_MAX; j++) { + +#if CONFIG_FEATUREUPDATES + // feature updated? + if (vp8_read_bit(bc)) + { + int active=1; + + if ( segfeature_active( xd, i, j )) + active=vp8_read_bit(bc); + + // Is the feature enabled + if (active) + { + // Update the feature data and mask + enable_segfeature(xd, i, j); + + data = (signed char)vp8_read_literal( + bc, seg_feature_data_bits(j)); + + // Is the segment data signed.. + if ( is_segfeature_signed(j) ) + { + if (vp8_read_bit(bc)) + data = - data; + } + } + else + data = 0; + + set_segdata(xd, i, j, data); + } + +#else // Is the feature enabled if (vp8_read_bit(bc)) { @@ -1178,6 +1211,7 @@ int vp8_decode_frame(VP8D_COMP *pbi) data = 0; set_segdata(xd, i, j, data); +#endif } } } |