From 57117c0ef69edcd34e7ecb7fd75f363cad691c99 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Sat, 22 Oct 2022 16:37:01 -0300
Subject: [PATCH] avcodec/aac_ac3_parser: don't try to sync when the parser is
 configured to handle complete frames

Should speed up parsing when the frames come from non raw containers.

Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavcodec/aac_ac3_parser.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavcodec/aac_ac3_parser.c b/libavcodec/aac_ac3_parser.c
index 6df064e28d..b2cb79801e 100644
--- a/libavcodec/aac_ac3_parser.c
+++ b/libavcodec/aac_ac3_parser.c
@@ -40,6 +40,10 @@ int ff_aac_ac3_parse(AVCodecParserContext *s1,
     int new_frame_start;
     int got_frame = 0;
 
+    if (s1->flags & PARSER_FLAG_COMPLETE_FRAMES) {
+        i = buf_size;
+        got_frame = 1;
+    } else {
 get_next:
     i=END_NOT_FOUND;
     if(s->remaining_size <= buf_size){
@@ -77,6 +81,7 @@ get_next:
         *poutbuf_size = 0;
         return buf_size;
     }
+    }
 
     *poutbuf = buf;
     *poutbuf_size = buf_size;