Explicitly call daala read/write bit functions.
Calling aom_write_bit() and aom_read_bit() with --enable-daala_ec
would call aom_write() and aom_read() with probability 128 which
would ultimately call od_ec_enc_bits() and od_ec_dec_bits().
This refactors that code and makes the call explicit.
objective-1-fast:
master@2016-12-14T18:38:33Z -> daala_ec_bits@2016-12-14T18:36:22Z
PSNR | PSNR Cb | PSNR Cr | PSNR HVS | SSIM | MS SSIM | CIEDE 2000
0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000
Change-Id: Ib69e98734fadcdc8b89936b7b6fbd0574afc7e34
diff --git a/aom_dsp/bitreader.h b/aom_dsp/bitreader.h
index d0c6dc5..4ab8b5b 100644
--- a/aom_dsp/bitreader.h
+++ b/aom_dsp/bitreader.h
@@ -163,6 +163,9 @@
int ret;
#if CONFIG_ANS
ret = uabs_read_bit(r); // Non trivial optimization at half probability
+#elif CONFIG_DAALA_EC
+ // Note this uses raw bits and is not the same as aom_daala_read(r, 128);
+ ret = aom_daala_read_bit(r);
#else
ret = aom_read(r, 128, NULL); // aom_prob_half
#endif
