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Because structures defined in vdpau.h may be used outside of the libvdpau
interface itself, it's important for them to not change, even to add new fields
to the end.  Clarify this by tightening the restriction on how structures can be
modified.

This means that we can also *relax* the restriction on versioned structures that
says that they can only be extended by adding fields to the end.  As long as
uint32_t struct_version is the first field of the structure, the implementation
can look at that to determine the complete layout of the rest of the fields.
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

Signed-off-by: Rémi Denis-Courmont <remid@nvidia.com>
Reviewed-by: José Hiram Soltren <jsoltren@nvidia.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

Signed-off-by: Rémi Denis-Courmont <remid@nvidia.com>
Reviewed-by: José Hiram Soltren <jsoltren@nvidia.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

(version 2, supercedes "Clarify type of source_surface")

VDPAU takes special action if source_surface is VDP_INVALID_HANDLE,
not if it is NULL, in both VdpOutputSurfaceRenderOutputSurface
and VdpOutputSurfaceRenderBitmapSurface.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

VdpPictureInfo should not be a pointer, otherwise the
VdpDecoderRender function signature asks for a pointer to a pointer.
But it really does expect a pointer directly to e.g. VdpPictureInfoH264.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Tested-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

  * Fix Doxygen warning; it gets confused by quotes.
  * Add subsection names, so part of the title doesn't get swallowed as the
    subsection name.
  * Document data required from MPEG-4 Part 2 & DivX bitstream.
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>

Add profiles for MPEG-4 part 2, DivX 4, and DivX 5.  Also add new high quality
scaling options.