import-layers/meta-raspberrypi/recipes-multimedia/gstreamer/gstreamer1.0-omx-1.2.0/0004-Properly-handle-drain-requests-while-flushing.patch

From 80dddfd13aaf2fe7272765f8cf291215fe375e28 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Enrique=20Oca=C3=B1a=20Gonz=C3=A1lez?= <eocanha@igalia.com>
Date: Tue, 17 Nov 2015 16:51:27 +0000
Subject: [PATCH] Properly handle drain requests while flushing

Without this commit the decoder streaming thread stops without ever attending
the drain request, leaving the decoder input thread waiting forever.
---
 omx/gstomx.c         |  7 +++++++
 omx/gstomxvideodec.c | 13 +++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/omx/gstomx.c b/omx/gstomx.c
index 69696c4..f0cd890 100644
--- a/omx/gstomx.c
+++ b/omx/gstomx.c
@@ -830,6 +830,13 @@ gst_omx_component_set_state (GstOMXComponent * comp, OMX_STATETYPE state)
 done:
 
   gst_omx_component_handle_messages (comp);
+
+  if (err != OMX_ErrorNone && comp->last_error == OMX_ErrorNone) {
+    GST_ERROR_OBJECT (comp->parent,
+        "Last operation returned an error. Setting last_error manually.");
+    comp->last_error = err;
+  }
+
   g_mutex_unlock (&comp->lock);
 
   if (err != OMX_ErrorNone) {
diff --git a/omx/gstomxvideodec.c b/omx/gstomxvideodec.c
index d531f75..a26c4a6 100644
--- a/omx/gstomxvideodec.c
+++ b/omx/gstomxvideodec.c
@@ -1539,9 +1539,16 @@ component_error:
 flushing:
   {
     GST_DEBUG_OBJECT (self, "Flushing -- stopping task");
+
+    g_mutex_lock (&self->drain_lock);
+    if (self->draining) {
+      self->draining = FALSE;
+      g_cond_broadcast (&self->drain_cond);
+    }
     gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self));
     self->downstream_flow_ret = GST_FLOW_FLUSHING;
     self->started = FALSE;
+    g_mutex_unlock (&self->drain_lock);
     return;
   }
 
@@ -1599,8 +1606,14 @@ flow_error:
       self->started = FALSE;
     } else if (flow_ret == GST_FLOW_FLUSHING) {
       GST_DEBUG_OBJECT (self, "Flushing -- stopping task");
+      g_mutex_lock (&self->drain_lock);
+      if (self->draining) {
+        self->draining = FALSE;
+        g_cond_broadcast (&self->drain_cond);
+      }
       gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self));
       self->started = FALSE;
+      g_mutex_unlock (&self->drain_lock);
     }
     GST_VIDEO_DECODER_STREAM_UNLOCK (self);
     return;
-- 
1.8.3.2