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media/avrecorder: bias size limit by 1% to account for muxing overhead

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This commit is contained in:
James R 2023-02-12 08:04:54 -08:00
parent 304e57cbf0
commit 860693936f
1 changed files with 3 additions and 1 deletions
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4
src/media/avrecorder_queue.cpp
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@ -69,6 +69,8 @@ bool Impl::Queue<T>::advance(int new_pts, int duration)
if (impl_->max_size_)
{
constexpr float kError = 0.99f; // 1% muxing overhead
const MediaEncoder::BitRate est = encoder_->estimated_bit_rate();
const float br = est.bits / 8.f;
@ -76,7 +78,7 @@ bool Impl::Queue<T>::advance(int new_pts, int duration)
// count size of already queued frames too
const float t = ((duration + queued_frames_) * time_scale()) / est.period;
if ((impl_->container_->size() + (t * br)) > *impl_->max_size_)
if ((impl_->container_->size() + (t * br)) > (*impl_->max_size_ * kError))
{
return finish(), false;
}