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| author | Paul Wilkins <paulwilkins@google.com> | 2021-04-29 11:06:16 +0100 |
|---|---|---|
| committer | Paul Wilkins <paulwilkins@google.com> | 2021-04-29 11:12:40 +0100 |
| commit | e14026ac21a6b6c93fd0fc954055643ed30972e0 (patch) | |
| tree | 2a269ce37c7966eea239ebd04a25cdd780f0e307 | |
| parent | 9f57bc4d6c7a577538042a49ede8ee98dc8cc300 (diff) | |
| download | libvpx-e14026ac21a6b6c93fd0fc954055643ed30972e0.tar libvpx-e14026ac21a6b6c93fd0fc954055643ed30972e0.tar.gz libvpx-e14026ac21a6b6c93fd0fc954055643ed30972e0.tar.bz2 libvpx-e14026ac21a6b6c93fd0fc954055643ed30972e0.zip | |
Add assert for zero_motion_factor range
Change clamp to an assert so we are warned if changes to input
ranges or defaults in the future lead to an invalid value.
Change-Id: Idb4e0729f477a519bfff3083cdce3891e2fc6faa
| -rw-r--r-- | vp9/encoder/vp9_firstpass.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/vp9/encoder/vp9_firstpass.c b/vp9/encoder/vp9_firstpass.c index ce7590fe4..b63d47a05 100644 --- a/vp9/encoder/vp9_firstpass.c +++ b/vp9/encoder/vp9_firstpass.c @@ -1882,13 +1882,8 @@ static double get_prediction_decay_rate(const TWO_PASS *const twopass, double zero_motion_factor = twopass->zm_factor * (frame_stats->pcnt_inter - frame_stats->pcnt_motion); - // Clamp value to range 0.0 to 1.0 - // This should happen anyway if input values are sensibly clamped but checked - // here just in case. - if (zero_motion_factor > 1.0) - zero_motion_factor = 1.0; - else if (zero_motion_factor < 0.0) - zero_motion_factor = 0.0; + // Check that the zero motion factor is valid + assert(zero_motion_factor >= 0.0 && zero_motion_factor <= 1.0); return VPXMAX(zero_motion_factor, (sr_decay_rate + ((1.0 - sr_decay_rate) * zero_motion_factor))); |