Attached.
From 2cff86b07b56d2923f60923e7dd21a546c2cc6fa Mon Sep 17 00:00:00 2001
From: Paul B Mahol <one...@gmail.com>
Date: Thu, 7 Sep 2023 18:42:03 +0200
Subject: [PATCH] avcodec/mjpegdec: add frame threading for mjpeg decoder

Signed-off-by: Paul B Mahol <one...@gmail.com>
---
 libavcodec/mjpegdec.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 29f281231c..cc38b6c4a9 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -52,12 +52,12 @@
 #include "jpeglsdec.h"
 #include "profiles.h"
 #include "put_bits.h"
+#include "thread.h"
 #include "tiff.h"
 #include "exif.h"
 #include "bytestream.h"
 #include "tiff_common.h"
 
-
 static int init_default_huffman_tables(MJpegDecodeContext *s)
 {
     static const struct {
@@ -753,8 +753,8 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
         }
 
         av_frame_unref(s->picture_ptr);
-        if (ff_get_buffer(s->avctx, s->picture_ptr, AV_GET_BUFFER_FLAG_REF) < 0)
-            return -1;
+        if ((ret = ff_thread_get_buffer(s->avctx, s->picture_ptr, AV_GET_BUFFER_FLAG_REF)) < 0)
+            return ret;
         s->picture_ptr->pict_type = AV_PICTURE_TYPE_I;
         s->picture_ptr->flags |= AV_FRAME_FLAG_KEY;
         s->got_picture            = 1;
@@ -3006,7 +3006,7 @@ const FFCodec ff_mjpeg_decoder = {
     .close          = ff_mjpeg_decode_end,
     FF_CODEC_DECODE_CB(ff_mjpeg_decode_frame),
     .flush          = decode_flush,
-    .p.capabilities = AV_CODEC_CAP_DR1,
+    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
     .p.max_lowres   = 3,
     .p.priv_class   = &mjpegdec_class,
     .p.profiles     = NULL_IF_CONFIG_SMALL(ff_mjpeg_profiles),
-- 
2.39.1

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