[FFmpeg-devel] [PATCH] Update libavcodec/opus/parser.c (PR #20959)

[mux47 via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

PR #20959 opened by mux47
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20959
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20959.patch

Avoid calling ff_opus_parse_packet() on flush (buf_size == 0)
Fixes spurious 'Error parsing Opus packet header' in complete-frames mode at EOF.
Related: FFmpeg/FFmpeg#20954


>From 635ccf83f312279157daed2ca1a79550ff51f3b1 Mon Sep 17 00:00:00 2001
From: mux47 <mux100@protonmail.com>
Date: Tue, 18 Nov 2025 16:43:49 +0000
Subject: [PATCH] Update libavcodec/opus/parser.c

Avoid calling ff_opus_parse_packet() on flush (buf_size == 0)
Fixes spurious 'Error parsing Opus packet header' in complete-frames mode at EOF.
Related: FFmpeg/FFmpeg#20954
---
 libavcodec/opus/parser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/opus/parser.c b/libavcodec/opus/parser.c
index ae3d66592c..bab0e50412 100644
--- a/libavcodec/opus/parser.c
+++ b/libavcodec/opus/parser.c
@@ -189,7 +189,7 @@ static int opus_parse(AVCodecParserContext *ctx, AVCodecContext *avctx,
     if (ctx->flags & PARSER_FLAG_COMPLETE_FRAMES) {
         next = buf_size;
 
-        if (set_frame_duration(ctx, avctx, buf, buf_size) < 0)
+        if (buf_size && set_frame_duration(ctx, avctx, buf, buf_size) < 0)
             goto fail;
     } else {
         next = opus_find_frame_end(ctx, avctx, buf, buf_size, &header_len);
-- 
2.49.1

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