diff --git a/package/ffmpeg/0027-Omxdec-Remove-the-global-variables-in-omxdec-it-make.patch b/package/ffmpeg/0027-Omxdec-Remove-the-global-variables-in-omxdec-it-make.patch
new file mode 100644
index 00000000..ed72fc12
--- /dev/null
+++ b/package/ffmpeg/0027-Omxdec-Remove-the-global-variables-in-omxdec-it-make.patch
@@ -0,0 +1,86 @@
+From d44bd33ca4fa0975f284279916f8709282bfe020 Mon Sep 17 00:00:00 2001
+From: Som Qin <som.qin@starfivetech.com>
+Date: Fri, 4 Aug 2023 13:57:24 +0800
+Subject: [PATCH 6/8] Omxdec: Remove the global variables in omxdec, it make
+ issue in mutithread.
+
+Signed-off-by: Som Qin <som.qin@starfivetech.com>
+---
+ libavcodec/omxdec.c | 25 ++++++++++++-------------
+ 1 file changed, 12 insertions(+), 13 deletions(-)
+
+diff --git a/libavcodec/omxdec.c b/libavcodec/omxdec.c
+index d268454..aa3ddea 100755
+--- a/libavcodec/omxdec.c
++++ b/libavcodec/omxdec.c
+@@ -48,10 +48,6 @@
+ #include "internal.h"
+ #include "profiles.h"
+ 
+-int evnet_bufferflag;
+-int dec_out_height;
+-int dec_out_width;
+-int dec_pix_fmt;
+ 
+ #ifdef OMX_SKIP64BIT
+ static OMX_TICKS to_omx_ticks(int64_t value)
+@@ -354,6 +350,9 @@ typedef struct OMXCodecContext {
+     int mutex_cond_inited;
+ 
+     int eos_sent, got_eos, evnet_bufferflag, first_get_outbuffer;
++    int dec_out_height;
++    int dec_out_width;
++    int dec_pix_fmt;
+ 
+     int extradata_sent;
+     int has_cleanup;
+@@ -475,11 +474,11 @@ static OMX_ERRORTYPE event_handler(OMX_HANDLETYPE component, OMX_PTR app_data, O
+             }
+             if (port_params.eDir == OMX_DirOutput) {
+                 out_port_params = port_params;
+-                dec_out_width = out_port_params.format.video.nFrameWidth;
+-                dec_out_height = out_port_params.format.video.nFrameHeight;
+-                dec_pix_fmt = out_port_params.format.video.eColorFormat;
++                s->dec_out_width = out_port_params.format.video.nFrameWidth;
++                s->dec_out_height = out_port_params.format.video.nFrameHeight;
++                s->dec_pix_fmt = out_port_params.format.video.eColorFormat;
+ 
+-                av_log(s->avctx, AV_LOG_VERBOSE, "w:%d, h:%d, fmt:%d\n", dec_out_width, dec_out_height, dec_pix_fmt); 
++                av_log(s->avctx, AV_LOG_VERBOSE, "w:%d, h:%d, fmt:%d\n", s->dec_out_width, s->dec_out_height, s->dec_pix_fmt); 
+                 if (!s->num_out_buffers) {
+                     s->num_out_buffers = out_port_params.nBufferCountActual;
+                     s->out_buffer_headers = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_out_buffers);
+@@ -511,7 +510,7 @@ static OMX_ERRORTYPE event_handler(OMX_HANDLETYPE component, OMX_PTR app_data, O
+         break;
+     case OMX_EventBufferFlag:
+         av_log(s->avctx, AV_LOG_VERBOSE, "OMX decoder competd set event_bufferflag\n");
+-        evnet_bufferflag = 1;
++        s->evnet_bufferflag = 1;
+     default:
+         av_log(s->avctx, AV_LOG_VERBOSE, "OMX event %d %"PRIx32" %"PRIx32"\n",
+                                          event, (uint32_t) data1, (uint32_t) data2);
+@@ -1306,7 +1305,7 @@ static int omx_decode_frame(AVCodecContext *avctx, void *data,
+             /*eos is sent wait for vpu evnet_bufferflag to get all frames
+               mjpeg: sent a frame, then wait for a decoder frame 
+             */
+-            if((s->eos_sent && !evnet_bufferflag) || (avctx->codec_id == AV_CODEC_ID_MJPEG )) {
++            if((s->eos_sent && !s->evnet_bufferflag) || (avctx->codec_id == AV_CODEC_ID_MJPEG )) {
+                 continue; 
+             }
+             break;
+@@ -1326,9 +1325,9 @@ static int omx_decode_frame(AVCodecContext *avctx, void *data,
+             goto end;
+         }
+ 
+-        avctx->width = dec_out_width;
+-        avctx->height = dec_out_height;
+-        avctx->pix_fmt = omx_map_color_format(avctx, dec_pix_fmt);
++        avctx->width = s->dec_out_width;
++        avctx->height = s->dec_out_height;
++        avctx->pix_fmt = omx_map_color_format(avctx, s->dec_pix_fmt);
+         s->stride     = avctx->width;
+         s->plane_size = avctx->height;
+         
+-- 
+2.25.1
+