On 15/09/2024 17:14, Pauli Virtanen wrote:
la, 2024-09-14 kello 00:15 +0300, Pauli Virtanen kirjoitti:
[clip]
- it appears the resulting frame_bits depends also on some other state
than s->lambda. iteration with lambda1, lambda2>lambda1, and then again
with lambda1 can produce different f
la, 2024-09-14 kello 00:15 +0300, Pauli Virtanen kirjoitti:
[clip]
> - it appears the resulting frame_bits depends also on some other state
> than s->lambda. iteration with lambda1, lambda2>lambda1, and then again
> with lambda1 can produce different frame_bits on the two lambda1
> iteration
In the FFMPEG native AAC encoder, bit_rate_tolerance=0 (-bt:a 0)
enforces a strict bitrate mode, where maximum length of the AAC frame
(frame_bits) is capped below nominal bitrate (rate_bits).
It currently seems to have some issues:
- encoder can get stuck in an infinite loop
- sound quality issu
