From cf7dfddee4068c65811965dcea42d9a86c104bca Mon Sep 17 00:00:00 2001
From: Jack Lau via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
Date: Wed, 9 Apr 2025 08:07:21 +0800
Subject: [PATCH] avformat/rtpdec_mpeg4: add need_parsing for rtsp AAC

fix ticket #11531

the rtsp aac did not marked keyframe which cannot easy copy to output.
because f265f9c9d04863180503707bfad285f48e6bf080 commit change the AAC props to match xHE-AAC.
in some formats like MOV, need_parsing is set, so AAC can be still parsed be keyframe
but rtsp did not, so this patch add it

Signed-off-by: Jack Lau <jacklau1222@qq.com>
Reviewed-by: Zhao Zhili <quinkblack@foxmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/rtpdec_mpeg4.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/rtpdec_mpeg4.c b/libavformat/rtpdec_mpeg4.c
index 6531632b2d..c506bcbed1 100644
--- a/libavformat/rtpdec_mpeg4.c
+++ b/libavformat/rtpdec_mpeg4.c
@@ -363,6 +363,7 @@ const RTPDynamicProtocolHandler ff_mpeg4_generic_dynamic_handler = {
     .enc_name           = "mpeg4-generic",
     .codec_type         = AVMEDIA_TYPE_AUDIO,
     .codec_id           = AV_CODEC_ID_AAC,
+    .need_parsing       = AVSTREAM_PARSE_HEADERS,
     .priv_data_size     = sizeof(PayloadContext),
     .parse_sdp_a_line   = parse_sdp_line,
     .close              = close_context,