msdk: libva: adds utility function between mfx and libva

https://bugzilla.gnome.org/show_bug.cgi?id=790752

sys/msdk/msdk_libva.c

@@ -39,10 +39,46 @@
 
 #include <va/va_drm.h>
 #include "msdk.h"
+#include "msdk_libva.h"
 
 GST_DEBUG_CATEGORY_EXTERN (gst_msdkenc_debug);
 #define GST_CAT_DEFAULT gst_msdkenc_debug
 
+struct fourcc_map
+{
+  mfxU32 mfx_fourcc;
+  guint32 va_fourcc;
+};
+
+struct rt_map
+{
+  mfxU32 mfx_rt_format;
+  guint32 va_rt_format;
+};
+
+#define FOURCC_MFX_TO_VA(MFX, VA) \
+    { MFX_FOURCC_##MFX, VA_FOURCC_##VA }
+
+#define RT_MFX_TO_VA(MFX, VA) \
+    { MFX_CHROMAFORMAT_##MFX, VA_RT_FORMAT_##VA }
+
+static const struct fourcc_map gst_msdk_fourcc_mfx_to_va[] = {
+  FOURCC_MFX_TO_VA (NV12, NV12),
+  FOURCC_MFX_TO_VA (YUY2, YUY2),
+  FOURCC_MFX_TO_VA (UYVY, UYVY),
+  FOURCC_MFX_TO_VA (YV12, YV12),
+  FOURCC_MFX_TO_VA (RGB4, ARGB),
+  FOURCC_MFX_TO_VA (P8, P208),
+  {0, 0}
+};
+
+static const struct rt_map gst_msdk_rt_mfx_to_va[] = {
+  RT_MFX_TO_VA (YUV420, YUV420),
+  RT_MFX_TO_VA (YUV422, YUV422),
+  RT_MFX_TO_VA (YUV444, YUV444),
+  {0, 0}
+};
+
 struct _MsdkContext
 {
   mfxSession session;
@@ -141,3 +177,94 @@ msdk_context_get_session (MsdkContext * context)
 {
   return context->session;
 }
+
+mfxStatus
+gst_msdk_get_mfx_status_from_va_status (VAStatus va_res)
+{
+  mfxStatus mfxRes = MFX_ERR_NONE;
+
+  switch (va_res) {
+    case VA_STATUS_SUCCESS:
+      mfxRes = MFX_ERR_NONE;
+      break;
+    case VA_STATUS_ERROR_ALLOCATION_FAILED:
+      mfxRes = MFX_ERR_MEMORY_ALLOC;
+      break;
+    case VA_STATUS_ERROR_ATTR_NOT_SUPPORTED:
+    case VA_STATUS_ERROR_UNSUPPORTED_PROFILE:
+    case VA_STATUS_ERROR_UNSUPPORTED_ENTRYPOINT:
+    case VA_STATUS_ERROR_UNSUPPORTED_RT_FORMAT:
+    case VA_STATUS_ERROR_UNSUPPORTED_BUFFERTYPE:
+    case VA_STATUS_ERROR_FLAG_NOT_SUPPORTED:
+    case VA_STATUS_ERROR_RESOLUTION_NOT_SUPPORTED:
+      mfxRes = MFX_ERR_UNSUPPORTED;
+      break;
+    case VA_STATUS_ERROR_INVALID_DISPLAY:
+    case VA_STATUS_ERROR_INVALID_CONFIG:
+    case VA_STATUS_ERROR_INVALID_CONTEXT:
+    case VA_STATUS_ERROR_INVALID_SURFACE:
+    case VA_STATUS_ERROR_INVALID_BUFFER:
+    case VA_STATUS_ERROR_INVALID_IMAGE:
+    case VA_STATUS_ERROR_INVALID_SUBPICTURE:
+      mfxRes = MFX_ERR_NOT_INITIALIZED;
+      break;
+    case VA_STATUS_ERROR_INVALID_PARAMETER:
+      mfxRes = MFX_ERR_INVALID_VIDEO_PARAM;
+    default:
+      mfxRes = MFX_ERR_UNKNOWN;
+      break;
+  }
+  return mfxRes;
+}
+
+guint
+gst_msdk_get_va_fourcc_from_mfx_fourcc (mfxU32 fourcc)
+{
+  const struct fourcc_map *m = gst_msdk_fourcc_mfx_to_va;
+
+  for (; m->mfx_fourcc != 0; m++) {
+    if (m->mfx_fourcc == fourcc)
+      return m->va_fourcc;
+  }
+
+  return 0;
+}
+
+guint
+gst_msdk_get_mfx_fourcc_from_va_fourcc (guint32 fourcc)
+{
+  const struct fourcc_map *m = gst_msdk_fourcc_mfx_to_va;
+
+  for (; m->va_fourcc != 0; m++) {
+    if (m->va_fourcc == fourcc)
+      return m->mfx_fourcc;
+  }
+
+  return 0;
+}
+
+guint
+gst_msdk_get_va_rt_format_from_mfx_rt_format (mfxU32 format)
+{
+  const struct rt_map *m = gst_msdk_rt_mfx_to_va;
+
+  for (; m->mfx_rt_format != 0; m++) {
+    if (m->mfx_rt_format == format)
+      return m->va_rt_format;
+  }
+
+  return 0;
+}
+
+guint
+gst_msdk_get_mfx_rt_format_from_va_rt_format (guint32 format)
+{
+  const struct rt_map *m = gst_msdk_rt_mfx_to_va;
+
+  for (; m->va_rt_format != 0; m++) {
+    if (m->va_rt_format == format)
+      return m->mfx_rt_format;
+  }
+
+  return 0;
+}

sys/msdk/msdk_libva.h

@@ -0,0 +1,68 @@
+/* GStreamer Intel MSDK plugin
+ * Copyright (c) 2018, Intel Corporation
+ * Copyright (c) 2018, Igalia S.L.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __MSDK_LIBVA_H__
+#define __MSDK_LIBVA_H__
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <va/va.h>
+
+#ifdef HAVE_LIBMFX
+#  include <mfx/mfxvideo.h>
+#else
+#  include "mfxvideo.h"
+#endif
+
+G_BEGIN_DECLS
+
+mfxStatus
+gst_msdk_get_mfx_status_from_va_status (VAStatus va_res);
+
+guint
+gst_msdk_get_va_fourcc_from_mfx_fourcc (mfxU32 fourcc);
+
+guint
+gst_msdk_get_mfx_fourcc_from_va_fourcc (guint32 fourcc);
+
+guint
+gst_msdk_get_va_rt_format_from_mfx_rt_format (mfxU32 format);
+
+guint
+gst_msdk_get_mfx_rt_format_from_va_rt_format (guint32 format);
+
+G_END_DECLS
+
+#endif /* __MSDK_LIBVA_H__ */