diff options
| author | Víctor Manuel Jáquez Leal <victorx.jaquez@intel.com> | 2016-06-08 19:11:15 +0200 |
|---|---|---|
| committer | Víctor Manuel Jáquez Leal <vjaquez@igalia.com> | 2017-06-23 18:44:42 +0200 |
| commit | 5312923d1c0ad7d63b12bb2f5e60a57ae43dde1b (patch) | |
| tree | 9c1c4aea4551ba31704043d850da37330ca83ae6 /gst | |
| parent | 7d7f722a18912e7e8fc8a15be1f49b41ccc73669 (diff) | |
vaapivideomemory: add gst_vaapi_dmabuf_can_map()
This new method checks the specified allocator can create GstMemory that can
be mapped.
https://bugzilla.gnome.org/show_bug.cgi?id=755072
Diffstat (limited to 'gst')
| -rw-r--r-- | gst/vaapi/gstvaapivideomemory.c | 47 | ||||
| -rw-r--r-- | gst/vaapi/gstvaapivideomemory.h | 4 |
2 files changed, 51 insertions, 0 deletions
diff --git a/gst/vaapi/gstvaapivideomemory.c b/gst/vaapi/gstvaapivideomemory.c index 6b26d02a..3d00e8dd 100644 --- a/gst/vaapi/gstvaapivideomemory.c +++ b/gst/vaapi/gstvaapivideomemory.c @@ -1327,3 +1327,50 @@ gst_vaapi_is_dmabuf_allocator (GstAllocator * allocator) st = g_object_get_qdata (G_OBJECT (allocator), GST_VAAPI_VIDEO_INFO_QUARK); return (st != NULL); } + +/** + * gst_vaapi_dmabuf_can_map: + * @display: a #GstVaapiDisplay + * @allocator: a #GstAllocator + * + * It will create a dmabuf-based buffer using @allocator, and it will + * try to map it using gst_memory_map(). + * + * Returns: %TRUE if the internal dummy buffer can be + * mapped. Otherwise %FALSE. + **/ +gboolean +gst_vaapi_dmabuf_can_map (GstVaapiDisplay * display, GstAllocator * allocator) +{ + GstVaapiVideoMeta *meta; + GstMemory *mem; + GstMapInfo info; + gboolean ret; + + g_return_val_if_fail (display != NULL, FALSE); + + ret = FALSE; + mem = NULL; + meta = NULL; + if (!gst_vaapi_is_dmabuf_allocator (allocator)) + return FALSE; + meta = gst_vaapi_video_meta_new (display); + if (!meta) + return FALSE; + mem = gst_vaapi_dmabuf_memory_new (allocator, meta); + if (!mem) + goto bail; + + if (!gst_memory_map (mem, &info, GST_MAP_READWRITE) || info.size == 0) + goto bail; + + gst_memory_unmap (mem, &info); + ret = TRUE; + +bail: + if (mem) + gst_memory_unref (mem); + if (meta) + gst_vaapi_video_meta_unref (meta); + return ret; +} diff --git a/gst/vaapi/gstvaapivideomemory.h b/gst/vaapi/gstvaapivideomemory.h index dcc998d4..db31b696 100644 --- a/gst/vaapi/gstvaapivideomemory.h +++ b/gst/vaapi/gstvaapivideomemory.h @@ -291,6 +291,10 @@ G_GNUC_INTERNAL gboolean gst_vaapi_is_dmabuf_allocator (GstAllocator * allocator); +G_GNUC_INTERNAL +gboolean +gst_vaapi_dmabuf_can_map (GstVaapiDisplay * display, GstAllocator * allocator); + G_END_DECLS #endif /* GST_VAAPI_VIDEO_MEMORY_H */ |