[FFmpeg-devel] [PATCH] avcodec/hevc: fix false alarm when build with enable-small (PR #20735)

[Zhao Zhili via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

PR #20735 opened by Zhao Zhili (quink)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20735
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20735.patch

profile_name is always NULL with --enable-small, which leading to
a warning message "Unknown profile bitstream".


>From 17ea0e2c5ade290e115dcd3c7219f8097d33a543 Mon Sep 17 00:00:00 2001
From: Zhao Zhili <zhilizhao@tencent.com>
Date: Wed, 22 Oct 2025 21:13:00 +0800
Subject: [PATCH] avcodec/hevc: fix false alarm when build with enable-small

profile_name is always NULL with --enable-small, which leading to
a warning message "Unknown profile bitstream".
---
 libavcodec/hevc/ps.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/hevc/ps.c b/libavcodec/hevc/ps.c
index 57125d59c1..1b7c275ba4 100644
--- a/libavcodec/hevc/ps.c
+++ b/libavcodec/hevc/ps.c
@@ -238,7 +238,6 @@ int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx,
 static int decode_profile_tier_level(GetBitContext *gb, AVCodecContext *avctx,
                                       PTLCommon *ptl)
 {
-    const char *profile_name = NULL;
     int i;
 
     if (get_bits_left(gb) < 2+1+5 + 32 + 4 + 43 + 1)
@@ -249,14 +248,15 @@ static int decode_profile_tier_level(GetBitContext *gb, AVCodecContext *avctx,
     ptl->profile_idc   = get_bits(gb, 5);
 
 #if !CONFIG_SMALL
+    const char *profile_name = NULL;
     for (int i = 0; ff_hevc_profiles[i].profile != AV_PROFILE_UNKNOWN; i++)
         if (ff_hevc_profiles[i].profile == ptl->profile_idc) {
             profile_name = ff_hevc_profiles[i].name;
             break;
         }
-#endif
     av_log(avctx, profile_name ? AV_LOG_DEBUG : AV_LOG_WARNING,
            "%s profile bitstream\n", profile_name ? profile_name : "Unknown");
+#endif
 
     for (i = 0; i < 32; i++) {
         ptl->profile_compatibility_flag[i] = get_bits1(gb);
-- 
2.49.1

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