[Mesa-dev] [PATCH 3/3] vl: add support for bob deinterlacing
Christian König
deathsimple at vodafone.de
Mon Feb 13 05:36:47 PST 2012
Signed-off-by: Christian König <deathsimple at vodafone.de>
---
src/gallium/auxiliary/vl/vl_compositor.c | 41 +++++++++++++++++++-----
src/gallium/auxiliary/vl/vl_compositor.h | 13 ++++++-
src/gallium/state_trackers/vdpau/mixer.c | 19 ++++++++++-
src/gallium/state_trackers/xorg/xvmc/surface.c | 3 +-
4 files changed, 64 insertions(+), 12 deletions(-)
diff --git a/src/gallium/auxiliary/vl/vl_compositor.c b/src/gallium/auxiliary/vl/vl_compositor.c
index d41a7b4..6789095 100644
--- a/src/gallium/auxiliary/vl/vl_compositor.c
+++ b/src/gallium/auxiliary/vl/vl_compositor.c
@@ -579,7 +579,8 @@ calc_src_and_dst(struct vl_compositor_layer *layer, unsigned width, unsigned hei
layer->src.br = calc_bottomright(size, src);
layer->dst.tl = calc_topleft(size, dst);
layer->dst.br = calc_bottomright(size, dst);
- layer->size = size;
+ layer->zw.x = 0.0f;
+ layer->zw.y = size.y;
}
static void
@@ -591,25 +592,25 @@ gen_rect_verts(struct vertex2f *vb, struct vl_compositor_layer *layer)
vb[ 0].y = layer->dst.tl.y;
vb[ 1].x = layer->src.tl.x;
vb[ 1].y = layer->src.tl.y;
- vb[ 2] = layer->size;
+ vb[ 2] = layer->zw;
vb[ 3].x = layer->dst.br.x;
vb[ 3].y = layer->dst.tl.y;
vb[ 4].x = layer->src.br.x;
vb[ 4].y = layer->src.tl.y;
- vb[ 5] = layer->size;
+ vb[ 5] = layer->zw;
vb[ 6].x = layer->dst.br.x;
vb[ 6].y = layer->dst.br.y;
vb[ 7].x = layer->src.br.x;
vb[ 7].y = layer->src.br.y;
- vb[ 8] = layer->size;
+ vb[ 8] = layer->zw;
vb[ 9].x = layer->dst.tl.x;
vb[ 9].y = layer->dst.br.y;
vb[10].x = layer->src.tl.x;
vb[10].y = layer->src.br.y;
- vb[11] = layer->size;
+ vb[11] = layer->zw;
}
static INLINE struct u_rect
@@ -801,7 +802,8 @@ vl_compositor_set_buffer_layer(struct vl_compositor *c,
unsigned layer,
struct pipe_video_buffer *buffer,
struct pipe_video_rect *src_rect,
- struct pipe_video_rect *dst_rect)
+ struct pipe_video_rect *dst_rect,
+ enum vl_compositor_deinterlace deinterlace)
{
struct pipe_sampler_view **sampler_views;
unsigned i;
@@ -811,8 +813,6 @@ vl_compositor_set_buffer_layer(struct vl_compositor *c,
assert(layer < VL_COMPOSITOR_MAX_LAYERS);
c->used_layers |= 1 << layer;
- c->layers[layer].fs = buffer->interlaced ? c->fs_weave : c->fs_video_buffer;
-
sampler_views = buffer->get_sampler_view_components(buffer);
for (i = 0; i < 3; ++i) {
c->layers[layer].samplers[i] = c->sampler_linear;
@@ -822,6 +822,31 @@ vl_compositor_set_buffer_layer(struct vl_compositor *c,
calc_src_and_dst(&c->layers[layer], buffer->width, buffer->height,
src_rect ? *src_rect : default_rect(&c->layers[layer]),
dst_rect ? *dst_rect : default_rect(&c->layers[layer]));
+
+ if (buffer->interlaced) {
+ float half_a_line = 0.5f / c->layers[layer].zw.y;
+ switch(deinterlace) {
+ case VL_COMPOSITOR_WEAVE:
+ c->layers[layer].fs = c->fs_weave;
+ break;
+
+ case VL_COMPOSITOR_BOB_TOP:
+ c->layers[layer].zw.x = 0.25f;
+ c->layers[layer].src.tl.y += half_a_line;
+ c->layers[layer].src.br.y += half_a_line;
+ c->layers[layer].fs = c->fs_video_buffer;
+ break;
+
+ case VL_COMPOSITOR_BOB_BOTTOM:
+ c->layers[layer].zw.x = 0.75f;
+ c->layers[layer].src.tl.y -= half_a_line;
+ c->layers[layer].src.br.y -= half_a_line;
+ c->layers[layer].fs = c->fs_video_buffer;
+ break;
+ }
+
+ } else
+ c->layers[layer].fs = c->fs_video_buffer;
}
void
diff --git a/src/gallium/auxiliary/vl/vl_compositor.h b/src/gallium/auxiliary/vl/vl_compositor.h
index 2157efa..2411d9a 100644
--- a/src/gallium/auxiliary/vl/vl_compositor.h
+++ b/src/gallium/auxiliary/vl/vl_compositor.h
@@ -44,6 +44,14 @@ struct pipe_context;
#define VL_COMPOSITOR_MAX_LAYERS 16
+/* deinterlace allgorithem */
+enum vl_compositor_deinterlace
+{
+ VL_COMPOSITOR_WEAVE,
+ VL_COMPOSITOR_BOB_TOP,
+ VL_COMPOSITOR_BOB_BOTTOM
+};
+
struct vl_compositor_layer
{
bool clearing;
@@ -56,7 +64,7 @@ struct vl_compositor_layer
struct {
struct vertex2f tl, br;
} src, dst;
- struct vertex2f size;
+ struct vertex2f zw;
};
struct vl_compositor
@@ -148,7 +156,8 @@ vl_compositor_set_buffer_layer(struct vl_compositor *compositor,
unsigned layer,
struct pipe_video_buffer *buffer,
struct pipe_video_rect *src_rect,
- struct pipe_video_rect *dst_rect);
+ struct pipe_video_rect *dst_rect,
+ enum vl_compositor_deinterlace deinterlace);
/**
* set a paletted sampler as a layer to render
diff --git a/src/gallium/state_trackers/vdpau/mixer.c b/src/gallium/state_trackers/vdpau/mixer.c
index 60ceb3f..685eed9 100644
--- a/src/gallium/state_trackers/vdpau/mixer.c
+++ b/src/gallium/state_trackers/vdpau/mixer.c
@@ -204,6 +204,7 @@ VdpStatus vlVdpVideoMixerRender(VdpVideoMixer mixer,
VdpLayer const *layers)
{
struct pipe_video_rect src_rect, dst_rect, dst_clip;
+ enum vl_compositor_deinterlace deinterlace;
unsigned layer = 0;
vlVdpVideoMixer *vmixer;
@@ -242,8 +243,24 @@ VdpStatus vlVdpVideoMixerRender(VdpVideoMixer mixer,
}
vl_compositor_clear_layers(&vmixer->compositor);
+
+ switch (current_picture_structure) {
+ case VDP_VIDEO_MIXER_PICTURE_STRUCTURE_TOP_FIELD:
+ deinterlace = VL_COMPOSITOR_BOB_TOP;
+ break;
+
+ case VDP_VIDEO_MIXER_PICTURE_STRUCTURE_BOTTOM_FIELD:
+ deinterlace = VL_COMPOSITOR_BOB_BOTTOM;
+ break;
+
+ case VDP_VIDEO_MIXER_PICTURE_STRUCTURE_FRAME:
+ default:
+ deinterlace = VL_COMPOSITOR_WEAVE;
+ break;
+ };
vl_compositor_set_buffer_layer(&vmixer->compositor, layer++, surf->video_buffer,
- RectToPipe(video_source_rect, &src_rect), NULL);
+ RectToPipe(video_source_rect, &src_rect), NULL,
+ deinterlace);
vl_compositor_render(&vmixer->compositor, dst->surface,
RectToPipe(destination_video_rect, &dst_rect),
RectToPipe(destination_rect, &dst_clip),
diff --git a/src/gallium/state_trackers/xorg/xvmc/surface.c b/src/gallium/state_trackers/xorg/xvmc/surface.c
index 024612e..7f7eead 100644
--- a/src/gallium/state_trackers/xorg/xvmc/surface.c
+++ b/src/gallium/state_trackers/xorg/xvmc/surface.c
@@ -406,7 +406,8 @@ Status XvMCPutSurface(Display *dpy, XvMCSurface *surface, Drawable drawable,
context_priv->decoder->flush(context_priv->decoder);
vl_compositor_clear_layers(compositor);
- vl_compositor_set_buffer_layer(compositor, 0, surface_priv->video_buffer, &src_rect, NULL);
+ vl_compositor_set_buffer_layer(compositor, 0, surface_priv->video_buffer,
+ &src_rect, NULL, VL_COMPOSITOR_WEAVE);
if (subpicture_priv) {
XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p has subpicture %p.\n", surface, surface_priv->subpicture);
--
1.7.5.4
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