[FFmpeg-cvslog] avcodec/libsvtav1: replace vbv_bufsize with maximum_buffer_size_ms

[Christopher Degawa]

ffmpeg | branch: release/5.1 | Christopher Degawa <christopher.degawa at intel.com> | Thu Oct 20 22:55:28 2022 -0500| [bea695d54372b66a6b9b136982fc92adb63e4745] | committer: Timo Rothenpieler

avcodec/libsvtav1: replace vbv_bufsize with maximum_buffer_size_ms

svt-av1 v1.2.0 has deprecated vbv_bufsize in favor of using
- maximum_buffer_size_ms (--buf-sz)
- starting_buffer_level_ms (--buf-initial-sz)
- optimal_buffer_level_ms (--buf-optimal-sz)

and vbv_bufsize has not been in use since svt-av1 v0.8.6

Signed-off-by: Christopher Degawa <christopher.degawa at intel.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bea695d54372b66a6b9b136982fc92adb63e4745
---

 libavcodec/libsvtav1.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/libsvtav1.c b/libavcodec/libsvtav1.c
index 4001cf7f03..ecf5f9cb63 100644
--- a/libavcodec/libsvtav1.c
+++ b/libavcodec/libsvtav1.c
@@ -183,7 +183,7 @@ static int config_enc_params(EbSvtAv1EncConfiguration *param,
         param->min_qp_allowed       = avctx->qmin;
     }
     param->max_bit_rate             = avctx->rc_max_rate;
-    param->vbv_bufsize              = avctx->rc_buffer_size;
+    param->maximum_buffer_size_ms   = avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
 
     if (svt_enc->crf > 0) {
         param->qp                   = svt_enc->crf;
@@ -300,7 +300,7 @@ static int config_enc_params(EbSvtAv1EncConfiguration *param,
     avctx->bit_rate       = param->rate_control_mode > 0 ?
                             param->target_bit_rate : 0;
     avctx->rc_max_rate    = param->max_bit_rate;
-    avctx->rc_buffer_size = param->vbv_bufsize;
+    avctx->rc_buffer_size = param->maximum_buffer_size_ms * avctx->bit_rate / 1000LL;
 
     if (avctx->bit_rate || avctx->rc_max_rate || avctx->rc_buffer_size) {
         AVCPBProperties *cpb_props = ff_add_cpb_side_data(avctx);