[FFmpeg-devel] [PATCH 3/4] lavc/vvc_parser: Fixed the has_b_frames setting

From: Jun Zhao <mypopy@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Jun Zhao <barryjzhao@tencent.com>, Jun Zhao <mypopydev@gmail.com>
Subject: [FFmpeg-devel] [PATCH 3/4] lavc/vvc_parser: Fixed the has_b_frames setting
Date: Fri, 19 Apr 2024 21:47:10 +0800
Message-ID: <20240419134711.3824735-3-mypopy@gmail.com> (raw)
In-Reply-To: <20240419134711.3824735-1-mypopy@gmail.com>

From: Jun Zhao <mypopydev@gmail.com>

has_b_frames used in decoder for size of the frame reordering
buffer, setting this field from dpb_max_num_reorder_pics.

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
---
 libavcodec/vvc_parser.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/vvc_parser.c b/libavcodec/vvc_parser.c
index a0e10e1a7c..5373875aae 100644
--- a/libavcodec/vvc_parser.c
+++ b/libavcodec/vvc_parser.c
@@ -185,8 +185,8 @@ static void set_parser_ctx(AVCodecParserContext *s, AVCodecContext *avctx,
     avctx->color_range =
         sps->vui.vui_full_range_flag ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
 
-    avctx->has_b_frames = (sps->sps_max_sublayers_minus1 + 1) > 2 ? 2 :
-                           sps->sps_max_sublayers_minus1;
+    avctx->has_b_frames =
+        sps->sps_dpb_params.dpb_max_num_reorder_pics[sps->sps_max_sublayers_minus1];
 
     if (sps->sps_ptl_dpb_hrd_params_present_flag &&
         sps->sps_timing_hrd_params_present_flag) {
-- 
2.25.1

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