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, 65 insertions, 0 deletions

diff --git a/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0002-Fixed-memory-corruption-and-bad-access.patch b/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0002-Fixed-memory-corruption-and-bad-access.patch
new file mode 100644
index 0000000..354a7a9
--- /dev/null
+++ b/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0002-Fixed-memory-corruption-and-bad-access.patch
@@ -0,0 +1,65 @@
+From 3e528cda6fb9d0da2be52e18a305096cf6e37528 Mon Sep 17 00:00:00 2001
+From: Andrey Vostrikov <andrey.vostrikov@cogentembedded.com>
+Date: Sat, 18 Jul 2015 15:52:59 +0300
+Subject: [PATCH] Fixed memory corruption and bad access
+
+---
+ omx/gstomxh264dec.c  |  4 ++--
+ omx/gstomxvideodec.c | 12 ++++++------
+ 2 files changed, 8 insertions(+), 8 deletions(-)
+
+diff --git a/omx/gstomxh264dec.c b/omx/gstomxh264dec.c
+index 7799e69..5509cc0 100644
+--- a/omx/gstomxh264dec.c
++++ b/omx/gstomxh264dec.c
+@@ -104,7 +104,7 @@ gst_omx_h264_dec_retrieve_sps_pps (GstOMXH264Dec * self, guint8 * data)
+ 
+   sps_num = ptr[5] & 0x1f;      /* reserved(3bit) + numOfSequenceParameterSets(uint 5bit) */
+ 
+-  sps_size_list = g_malloc (sps_num);
++  sps_size_list = g_malloc (sps_num * sizeof (guint));
+   if (!sps_size_list) {
+     GST_ERROR_OBJECT (self, "failed g_malloc");
+     return NULL;
+@@ -119,7 +119,7 @@ gst_omx_h264_dec_retrieve_sps_pps (GstOMXH264Dec * self, guint8 * data)
+   }
+ 
+   pps_num = *ptr++;             /* numOfPictureParameterSets (unint 8bit) */
+-  pps_size_list = g_malloc (pps_num);
++  pps_size_list = g_malloc (pps_num * sizeof (guint));
+   if (!pps_size_list) {
+     GST_ERROR_OBJECT (self, "failed g_malloc");
+     g_free (sps_size_list);
+diff --git a/omx/gstomxvideodec.c b/omx/gstomxvideodec.c
+index c5b69ab..4a9706f 100644
+--- a/omx/gstomxvideodec.c
++++ b/omx/gstomxvideodec.c
+@@ -563,10 +563,12 @@ gst_omx_buffer_pool_free_buffer (GstBufferPool * bpool, GstBuffer * buffer)
+       gst_omx_buffer_data_quark);
+ #ifdef HAVE_MMNGRBUF
+   if (self->use_dmabuf) {
+-    vdbuf_data = (GstOMXVideoDecBufferData *) omx_buf->private_data;
+-    for (i = 0; i < GST_VIDEO_MAX_PLANES; i++)
+-      if (vdbuf_data->id_export[i] >= 0)
+-        mmngr_export_end_in_user (vdbuf_data->id_export[i]);
++      vdbuf_data = (GstOMXVideoDecBufferData *) omx_buf->private_data;
++      if (vdbuf_data) {
++          for (i = 0; i < GST_VIDEO_MAX_PLANES; i++)
++              if (vdbuf_data->id_export[i] >= 0)
++                  mmngr_export_end_in_user (vdbuf_data->id_export[i]);
++      }
+   }
+ #endif
+   g_slice_free (GstOMXVideoDecBufferData, omx_buf->private_data);
+@@ -1684,8 +1686,6 @@ gst_omx_video_dec_deallocate_output_buffers (GstOMXVideoDec * self)
+ 
+ static void GstOMXBufCallbackfunc (struct GstOMXBufferCallback *release)
+ {
+-  gint i;
+-
+   if (!release)
+     return;
+ 
+-- 
+2.1.4
+