diff options
Diffstat (limited to 'meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0004-Export-a-first-dmabuf-file-descriptor-with-the-whole.patch')
| -rw-r--r-- | meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0004-Export-a-first-dmabuf-file-descriptor-with-the-whole.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0004-Export-a-first-dmabuf-file-descriptor-with-the-whole.patch b/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0004-Export-a-first-dmabuf-file-descriptor-with-the-whole.patch new file mode 100644 index 0000000..6aa5d48 --- /dev/null +++ b/meta-rcar-gen2/recipes-multimedia/gstreamer/gstreamer1.0-omx/0004-Export-a-first-dmabuf-file-descriptor-with-the-whole.patch @@ -0,0 +1,65 @@ +From 1fe52cec8fec530a79eb3ab9f313bb860ec109be Mon Sep 17 00:00:00 2001 +From: Andrey Gusakov <andrey.gusakov@cogentembedded.com> +Date: Thu, 1 Sep 2016 18:44:49 +0300 +Subject: [PATCH 04/10] Export a first dmabuf file descriptor with the whole + size + +This patch exports a dmabuf file descriptor from the head of Y plane +to the end of the buffer so that mapping the whole plane as +contiguous memory is available. + +Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> +--- + omx/gstomxbufferpool.c | 17 +++++++++++++---- + 1 file changed, 13 insertions(+), 4 deletions(-) + +diff --git a/omx/gstomxbufferpool.c b/omx/gstomxbufferpool.c +index 2585a72..b9fa769 100644 +--- a/omx/gstomxbufferpool.c ++++ b/omx/gstomxbufferpool.c +@@ -399,6 +399,7 @@ gst_omx_buffer_pool_create_buffer_contain_dmabuf (GstOMXBufferPool * self, + gint i; + gint page_size; + guint phys_addr = 0; ++ guint phys_size = 0; + + new_buf = gst_buffer_new (); + page_size = getpagesize (); +@@ -410,13 +411,15 @@ gst_omx_buffer_pool_create_buffer_contain_dmabuf (GstOMXBufferPool * self, + OMXR_MC_VIDEO_DECODERESULTTYPE *decode_res = + (OMXR_MC_VIDEO_DECODERESULTTYPE *) omx_buf->omx_buf->pOutputPortPrivate; + phys_addr = decode_res->pvPhysImageAddressY; ++ phys_size = (guint) omx_buf->omx_buf->nAllocLen; + } else if (GST_IS_OMX_VIDEO_ENC (self->element)) { + /* private data is a physical address of HW buffer */ + phys_addr = (guint) omx_buf->omx_buf->pInputPortPrivate; ++ phys_size = (guint) omx_buf->omx_buf->nAllocLen; + } + +- if (phys_addr == 0) { +- GST_ERROR_OBJECT (self, "Invalid phys addr for OMX buffer"); ++ if ((phys_addr == 0) || (phys_size == 0)) { ++ GST_ERROR_OBJECT (self, "Invalid phys range for OMX buffer"); + return NULL; + } + +@@ -428,8 +431,14 @@ gst_omx_buffer_pool_create_buffer_contain_dmabuf (GstOMXBufferPool * self, + /* Calculate offset between physical address and page boundary */ + page_offset[i] = plane_addr & (page_size - 1); + +- plane_size[i] = stride[i] * +- GST_VIDEO_INFO_COMP_HEIGHT (&self->video_info, i); ++ /* Export a dmabuf file descriptor from the head of Y plane to ++ * the end of the buffer so that mapping the whole plane as ++ * contiguous memory is available. */ ++ if (i == 0) ++ plane_size[i] = phys_size; ++ else ++ plane_size[i] = stride[i] * ++ GST_VIDEO_INFO_COMP_HEIGHT (&self->video_info, i); + + /* When downstream plugins do mapping from dmabuf fd it requires + * mapping from boundary page and size align for page size so +-- +1.7.10.4 + |