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, 46 insertions, 0 deletions

diff --git a/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0006-gstomxbufferpool-create-dmabuf-for-input-port.patch b/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0006-gstomxbufferpool-create-dmabuf-for-input-port.patch
new file mode 100644
index 0000000..93966b2
--- /dev/null
+++ b/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0006-gstomxbufferpool-create-dmabuf-for-input-port.patch
@@ -0,0 +1,46 @@
+From 078a91a917a7b81cfcf523ac23b1c3e154506ef9 Mon Sep 17 00:00:00 2001
+From: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+Date: Thu, 1 Sep 2016 17:43:35 +0300
+Subject: [PATCH 06/10] gstomxbufferpool: create dmabuf for input port
+
+
+Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
+---
+ omx/gstomxbufferpool.c |   14 ++++++++++++--
+ 1 file changed, 12 insertions(+), 2 deletions(-)
+
+diff --git a/omx/gstomxbufferpool.c b/omx/gstomxbufferpool.c
+index 1e0a14c..d86f9d8 100644
+--- a/omx/gstomxbufferpool.c
++++ b/omx/gstomxbufferpool.c
+@@ -518,6 +518,7 @@ gst_omx_buffer_pool_alloc_buffer (GstBufferPool * bpool,
+ 
+     pool->need_copy = FALSE;
+   } else {
++    gboolean dmabuf = FALSE;
+     GstMemory *mem;
+     const guint nstride = pool->port->port_def.format.video.nStride;
+     const guint nslice = pool->port->port_def.format.video.nSliceHeight;
+@@ -552,8 +553,17 @@ gst_omx_buffer_pool_alloc_buffer (GstBufferPool * bpool,
+ 
+     if (GST_IS_OMX_VIDEO_DEC (pool->element) &&
+         GST_OMX_VIDEO_DEC (pool->element)->use_dmabuf == TRUE &&
+-        (omx_buf->omx_buf->pOutputPortPrivate)) {
+-#if defined (HAVE_MMNGRBUF) && defined (HAVE_VIDEODEC_EXT)
++        (omx_buf->omx_buf->pOutputPortPrivate))
++      dmabuf = TRUE;
++
++
++    if (GST_IS_OMX_VIDEO_ENC (pool->element) &&
++        GST_OMX_VIDEO_ENC (pool->element)->no_copy == TRUE &&
++        (omx_buf->omx_buf->pInputPortPrivate))
++      dmabuf = TRUE;
++
++    if (dmabuf) {
++#if defined (HAVE_MMNGRBUF)
+       if (pool->allocator)
+         gst_object_unref (pool->allocator);
+       pool->allocator = gst_dmabuf_allocator_new ();
+-- 
+1.7.10.4
+