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Extend number of reference buffers to 8.

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The number of reference buffers is extended to 8 and
a reference sign-bias added for the LAST_FRAME.

Whilst the number of reference buffers used by an
individual frame remains unchanged at 3, these may
now be selected from 8 possible buffers.

Change-Id: I2d247b9c1c2b3a339d6c9fac125e81ba373f75a7
This commit is contained in:
Adrian Grange
2013-05-02 16:41:19 -07:00
parent 1e26cdc178
commit d7eea782f2
4 changed files with 11 additions and 12 deletions
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7
vp9/decoder/vp9_decodframe.c
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@@ -1278,8 +1278,11 @@ int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {
vp9_setup_scale_factors_for_frame(sf, fb, pc->width, pc->height);
}
pc->ref_frame_sign_bias[GOLDEN_FRAME] = vp9_read_bit(&header_bc);
pc->ref_frame_sign_bias[ALTREF_FRAME] = vp9_read_bit(&header_bc);
// Read the sign bias for each reference frame buffer.
for (i = 0; i < ALLOWED_REFS_PER_FRAME; ++i) {
pc->ref_frame_sign_bias[i + 1] = vp9_read_bit(&header_bc);
}
xd->allow_high_precision_mv = vp9_read_bit(&header_bc);
pc->mcomp_filter_type = read_mcomp_filter_type(&header_bc);