omxvideoenc: Implement the hack flag GST_OMX_HACK_NO_COMPONENT_RECONFIGURE

Fix a video encoder stall problem on RPi when changing the aspect ratio.

https://bugzilla.gnome.org/show_bug.cgi?id=732533

2 files changed, 32 insertions, 21 deletions

diff --git a/config/rpi/gstomx.conf b/config/rpi/gstomx.conf
index 827ebb6..8b5c7d6 100644
--- a/config/rpi/gstomx.conf
+++ b/config/rpi/gstomx.conf
@@ -78,7 +78,7 @@ component-name=OMX.broadcom.video_encode
 rank=257
 in-port-index=200
 out-port-index=201
-hacks=no-component-role
+hacks=no-component-role;no-component-reconfigure
 
 [omxanalogaudiosink]
 type-name=GstOMXAnalogAudioSink
diff --git a/omx/gstomxvideoenc.c b/omx/gstomxvideoenc.c
index d055816..de3f7a6 100644
--- a/omx/gstomxvideoenc.c
+++ b/omx/gstomxvideoenc.c
@@ -958,26 +958,37 @@ gst_omx_video_enc_set_format (GstVideoEncoder * encoder,
     gst_pad_stop_task (GST_VIDEO_ENCODER_SRC_PAD (encoder));
     GST_VIDEO_ENCODER_STREAM_LOCK (self);
 
-    if (gst_omx_port_set_enabled (self->enc_in_port, FALSE) != OMX_ErrorNone)
-      return FALSE;
-    if (gst_omx_port_set_enabled (self->enc_out_port, FALSE) != OMX_ErrorNone)
-      return FALSE;
-    if (gst_omx_port_wait_buffers_released (self->enc_in_port,
-            5 * GST_SECOND) != OMX_ErrorNone)
-      return FALSE;
-    if (gst_omx_port_wait_buffers_released (self->enc_out_port,
-            1 * GST_SECOND) != OMX_ErrorNone)
-      return FALSE;
-    if (gst_omx_port_deallocate_buffers (self->enc_in_port) != OMX_ErrorNone)
-      return FALSE;
-    if (gst_omx_port_deallocate_buffers (self->enc_out_port) != OMX_ErrorNone)
-      return FALSE;
-    if (gst_omx_port_wait_enabled (self->enc_in_port,
-            1 * GST_SECOND) != OMX_ErrorNone)
-      return FALSE;
-    if (gst_omx_port_wait_enabled (self->enc_out_port,
-            1 * GST_SECOND) != OMX_ErrorNone)
-      return FALSE;
+    if (klass->cdata.hacks & GST_OMX_HACK_NO_COMPONENT_RECONFIGURE) {
+      GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
+      gst_omx_video_enc_stop (GST_VIDEO_ENCODER (self));
+      gst_omx_video_enc_close (GST_VIDEO_ENCODER (self));
+      GST_VIDEO_ENCODER_STREAM_LOCK (self);
+
+      if (!gst_omx_video_enc_open (GST_VIDEO_ENCODER (self)))
+        return FALSE;
+      needs_disable = FALSE;
+    } else {
+      if (gst_omx_port_set_enabled (self->enc_in_port, FALSE) != OMX_ErrorNone)
+        return FALSE;
+      if (gst_omx_port_set_enabled (self->enc_out_port, FALSE) != OMX_ErrorNone)
+        return FALSE;
+      if (gst_omx_port_wait_buffers_released (self->enc_in_port,
+              5 * GST_SECOND) != OMX_ErrorNone)
+        return FALSE;
+      if (gst_omx_port_wait_buffers_released (self->enc_out_port,
+              1 * GST_SECOND) != OMX_ErrorNone)
+        return FALSE;
+      if (gst_omx_port_deallocate_buffers (self->enc_in_port) != OMX_ErrorNone)
+        return FALSE;
+      if (gst_omx_port_deallocate_buffers (self->enc_out_port) != OMX_ErrorNone)
+        return FALSE;
+      if (gst_omx_port_wait_enabled (self->enc_in_port,
+              1 * GST_SECOND) != OMX_ErrorNone)
+        return FALSE;
+      if (gst_omx_port_wait_enabled (self->enc_out_port,
+              1 * GST_SECOND) != OMX_ErrorNone)
+        return FALSE;
+    }
 
     GST_DEBUG_OBJECT (self, "Encoder drained and disabled");
   }