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

Christopher Degawa git at videolan.org
Fri Nov 18 01:28:28 EET 2022


ffmpeg | branch: master | Christopher Degawa <christopher.degawa at intel.com> | Thu Oct 20 22:55:28 2022 -0500| [1c6fd7d756afe0f8b7df14dbf7a95df275f8f5ee] | committer: James Almer

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=1c6fd7d756afe0f8b7df14dbf7a95df275f8f5ee
---

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

diff --git a/libavcodec/libsvtav1.c b/libavcodec/libsvtav1.c
index 28da206cf8..48cd58a0b3 100644
--- a/libavcodec/libsvtav1.c
+++ b/libavcodec/libsvtav1.c
@@ -179,7 +179,7 @@ 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;
@@ -296,7 +296,7 @@ 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);



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