From d2499ead93dc4298c0882fe98902acb1b5209f99 Mon Sep 17 00:00:00 2001 From: trav90 Date: Fri, 19 Oct 2018 23:05:00 -0500 Subject: Update libaom to commit ID 1e227d41f0616de9548a673a83a21ef990b62591 --- third_party/aom/aom_dsp/bitwriter_buffer.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'third_party/aom/aom_dsp/bitwriter_buffer.c') 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); +} -- cgit v1.2.3