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| author | trav90 <travawine@palemoon.org> | 2018-10-19 23:05:00 -0500 |
|---|---|---|
| committer | trav90 <travawine@palemoon.org> | 2018-10-19 23:05:03 -0500 |
| commit | d2499ead93dc4298c0882fe98902acb1b5209f99 (patch) | |
| tree | cb0b942aed59e5108f9a3e9d64e7b77854383421 /third_party/aom/aom_dsp/bitwriter_buffer.c | |
| parent | 41fbdea457bf50c0a43e1c27c5cbf7f0a3a9eb33 (diff) | |
| download | UXP-d2499ead93dc4298c0882fe98902acb1b5209f99.tar UXP-d2499ead93dc4298c0882fe98902acb1b5209f99.tar.gz UXP-d2499ead93dc4298c0882fe98902acb1b5209f99.tar.lz UXP-d2499ead93dc4298c0882fe98902acb1b5209f99.tar.xz UXP-d2499ead93dc4298c0882fe98902acb1b5209f99.zip | |
Update libaom to commit ID 1e227d41f0616de9548a673a83a21ef990b62591
Diffstat (limited to 'third_party/aom/aom_dsp/bitwriter_buffer.c')
| -rw-r--r-- | third_party/aom/aom_dsp/bitwriter_buffer.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/bitwriter_buffer.c b/third_party/aom/aom_dsp/bitwriter_buffer.c index a563bf684..596246deb 100644 --- a/third_party/aom/aom_dsp/bitwriter_buffer.c +++ b/third_party/aom/aom_dsp/bitwriter_buffer.c @@ -73,3 +73,15 @@ void aom_wb_write_inv_signed_literal(struct aom_write_bit_buffer *wb, int data, int bits) { aom_wb_write_literal(wb, data, bits + 1); } + +void aom_wb_write_uvlc(struct aom_write_bit_buffer *wb, uint32_t v) { + int64_t shift_val = ++v; + int leading_zeroes = 1; + + assert(shift_val > 0); + + while (shift_val >>= 1) leading_zeroes += 2; + + aom_wb_write_literal(wb, 0, leading_zeroes >> 1); + aom_wb_write_unsigned_literal(wb, v, (leading_zeroes + 1) >> 1); +} |