patch to gst to add export of DMA fd of input port

This patch adds h264 decode plugin using DMA for gstreamer.
This plugin is supposed to be used to encode video data for
CES2017 cluster demo.

Change-Id: I19e3595aac8943ce3f348764aca66d2b4132cf28
Signed-off-by: Grigory Kletsko <grigory.kletsko@cogentembedded.com>

1 files changed, 113 insertions, 0 deletions

diff --git a/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0009-gstomxenc-move-encoder-disable-code-to-separate-func.patch b/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0009-gstomxenc-move-encoder-disable-code-to-separate-func.patch
new file mode 100644
index 0000000..8404acd
--- /dev/null
+++ b/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0009-gstomxenc-move-encoder-disable-code-to-separate-func.patch
@@ -0,0 +1,113 @@
+From 0a9f0aa8271b0fc18c7e9781e3d0bc215ba2fd02 Mon Sep 17 00:00:00 2001
+From: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+Date: Thu, 1 Sep 2016 17:58:33 +0300
+Subject: [PATCH 09/10] gstomxenc: move encoder disable code to separate
+ function
+
+
+Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+---
+ omx/gstomxvideoenc.c |   79 ++++++++++++++++++++++++++++----------------------
+ 1 file changed, 45 insertions(+), 34 deletions(-)
+
+diff --git a/omx/gstomxvideoenc.c b/omx/gstomxvideoenc.c
+index 19a0eb9..6720648 100644
+--- a/omx/gstomxvideoenc.c
++++ b/omx/gstomxvideoenc.c
+@@ -1147,6 +1147,49 @@ gst_omx_video_enc_get_supported_colorformats (GstOMXVideoEnc * self)
+ }
+ 
+ static gboolean
++gst_omx_video_enc_disable(GstVideoEncoder * encoder)
++{
++  GstOMXVideoEnc *self;
++
++  self = GST_OMX_VIDEO_ENC (encoder);
++
++  GST_DEBUG_OBJECT (self, "Need to disable and drain encoder");
++  gst_omx_video_enc_drain (self, FALSE);
++  gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, TRUE);
++
++  /* Wait until the srcpad loop is finished,
++   * unlock GST_VIDEO_ENCODER_STREAM_LOCK to prevent deadlocks
++   * caused by using this lock from inside the loop function */
++  GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
++  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;
++
++  GST_DEBUG_OBJECT (self, "Encoder drained and disabled");
++  return TRUE;
++}
++
++static gboolean
+ gst_omx_video_enc_set_format (GstVideoEncoder * encoder,
+     GstVideoCodecState * state)
+ {
+@@ -1176,41 +1219,9 @@ gst_omx_video_enc_set_format (GstVideoEncoder * encoder,
+      * we have to disable the port and re-allocate all buffers. If no real
+      * format change happened we can just exit here.
+      */
+-    if (needs_disable) {
+-      GST_DEBUG_OBJECT (self, "Need to disable and drain encoder");
+-      gst_omx_video_enc_drain (self, FALSE);
+-      gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, TRUE);
+-
+-      /* Wait until the srcpad loop is finished,
+-       * unlock GST_VIDEO_ENCODER_STREAM_LOCK to prevent deadlocks
+-       * caused by using this lock from inside the loop function */
+-      GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
+-      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)
++    if (needs_disable)
++      if (!gst_omx_video_enc_disable(encoder))
+         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");
+-    }
+ 
+     negotiation_map = gst_omx_video_enc_get_supported_colorformats (self);
+     if (!negotiation_map) {
+-- 
+1.7.10.4
+