commit 133c57c331f3b1806233fbd83db1f5f022b1490a
author Thomas Davies <thdavies@cisco.com> Tue Nov 08 14:31:55 2016 +0000
committer Thomas Davies <thdavies@cisco.com> Wed Nov 09 11:11:57 2016 +0000
tree 41cbe380b2278657a6f687765a47a99a07d52ddd
parent 05f540a1e390bd55e9f356919ba9f61d88704b60

Support overwriting an arbitrary number of literal bits.

Overwriting was only guaranteed to work if a whole number
of bytes were being overwritten.

Change-Id: I5e72cb337ec6ff691e93288de9f751b583654a17

aom_dsp/bitwriter_buffer.c

diff --git a/aom_dsp/bitwriter_buffer.c b/aom_dsp/bitwriter_buffer.c
index 9d6a0da..993bcfa 100644
--- a/aom_dsp/bitwriter_buffer.c
+++ b/aom_dsp/bitwriter_buffer.c
@@ -23,12 +23,8 @@
   const int off = (int)wb->bit_offset;
   const int p = off / CHAR_BIT;
   const int q = CHAR_BIT - 1 - off % CHAR_BIT;
-  if (q == CHAR_BIT - 1) {
-    wb->bit_buffer[p] = bit << q;
-  } else {
-    wb->bit_buffer[p] &= ~(1 << q);
-    wb->bit_buffer[p] |= bit << q;
-  }
+  wb->bit_buffer[p] &= ~(1 << q);
+  wb->bit_buffer[p] |= bit << q;
   wb->bit_offset = off + 1;
 }