From: jeanlf <jeanlf@gpac.io>
Date: Mon, 22 May 2023 15:48:08 +0000 (+0200)
Subject: [PATCH] fixed #2476
X-Git-Tag: archive/raspbian/1.0.1+dfsg1-4+rpi1+deb11u3^2~8
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=9d43edef02c56ecd05cdff0f193a36259de1abf9;p=gpac.git

[PATCH] fixed #2476


Gbp-Pq: Name CVE-2023-2839.patch
---

diff --git a/src/filters/reframe_nalu.c b/src/filters/reframe_nalu.c
index f672aeb..bf9bc3e 100644
--- a/src/filters/reframe_nalu.c
+++ b/src/filters/reframe_nalu.c
@@ -1105,10 +1105,14 @@ void naludmx_create_avc_decoder_config(GF_NALUDmxCtx *ctx, u8 **dsi, u32 *dsi_si
 					else
 						DeltaTfiDivisorIdx = (ctx->avc_state->sei.pic_timing.pic_struct+1) / 2;
 				}
-				if (!ctx->timescale && sps->vui.time_scale && sps->vui.num_units_in_tick) {
-					ctx->cur_fps.num = 2 * sps->vui.time_scale;
-					ctx->cur_fps.den = 2 * sps->vui.num_units_in_tick * DeltaTfiDivisorIdx;
 
+				if (!ctx->timescale) {
+                                        u32 fps_num = 2 * sps->vui.time_scale;
+                                        u32 fps_den = 2 * sps->vui.num_units_in_tick * DeltaTfiDivisorIdx;
+                                        if (fps_num && fps_den) {
+                                                ctx->cur_fps.num = fps_num;
+                                                ctx->cur_fps.den = fps_den;
+                                        }
 					if (!ctx->fps.num && ctx->dts==ctx->fps.den)
 						ctx->dts = ctx->cur_fps.den;
 				}