[FFmpeg-devel] [PATCH v2] avcodec/libsvtav1: only set max_buf_sz if both bitrate and rc_buf_sz is set

From: Christopher Degawa <ccom@randomderp.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Christopher Degawa <ccom@randomderp.com>
Subject: [FFmpeg-devel] [PATCH v2] avcodec/libsvtav1: only set max_buf_sz if both bitrate and rc_buf_sz is set
Date: Sun, 20 Nov 2022 13:07:36 -0600
Message-ID: <20221120190736.1781675-1-ccom@randomderp.com> (raw)
In-Reply-To: <20221120023350.1684083-1-ccom@randomderp.com>

maximum_buffer_size_ms should only be set if both are specified or if
the user sets it through -svtav1-params buf-sz=val

Signed-off-by: Christopher Degawa <ccom@randomderp.com>
---
 libavcodec/libsvtav1.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/libsvtav1.c b/libavcodec/libsvtav1.c
index 48cd58a0b3..7605baddfe 100644
--- a/libavcodec/libsvtav1.c
+++ b/libavcodec/libsvtav1.c
@@ -179,7 +179,8 @@ static int config_enc_params(EbSvtAv1EncConfiguration *param,
         param->min_qp_allowed       = avctx->qmin;
     }
     param->max_bit_rate             = avctx->rc_max_rate;
-    param->maximum_buffer_size_ms   = avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
+    if (avctx->bit_rate && 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;
-- 
2.38.1

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