From 690e96685e60e2bb1dfbaf51e2fff748bae01aa2 Mon Sep 17 00:00:00 2001
From: Herman Chen <herman.chen@rock-chips.com>
Date: Wed, 17 Mar 2021 10:38:24 +0800
Subject: [PATCH] [mpp]: Return buffer full when poll failed

For ffmpeg plugin compatible.

Change-Id: Iba580bd63de249f6a633e2c0ec8618addeee9ef1
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---
 mpp/mpp.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mpp/mpp.cpp b/mpp/mpp.cpp
index 1d20cc12..6e4ea617 100644
--- a/mpp/mpp.cpp
+++ b/mpp/mpp.cpp
@@ -315,8 +315,10 @@ MPP_RET Mpp::put_packet(MppPacket packet)
             goto RET;
 
         /* non-eos packet should reserve one task for eos case */
-        if (!eos && ret <= mDecResTaskCnt)
+        if (!eos && ret <= mDecResTaskCnt) {
+            ret = MPP_ERR_BUFFER_FULL;
             goto RET;
+        }
 
         /* do not pull here to avoid block wait */
         dequeue(MPP_PORT_INPUT, &task_dequeue);