Example #1
0
/**
 * Perform a video post-processing and compositing operation.
 */
VdpStatus vlVdpVideoMixerRender(VdpVideoMixer mixer,
                                VdpOutputSurface background_surface,
                                VdpRect const *background_source_rect,
                                VdpVideoMixerPictureStructure current_picture_structure,
                                uint32_t video_surface_past_count,
                                VdpVideoSurface const *video_surface_past,
                                VdpVideoSurface video_surface_current,
                                uint32_t video_surface_future_count,
                                VdpVideoSurface const *video_surface_future,
                                VdpRect const *video_source_rect,
                                VdpOutputSurface destination_surface,
                                VdpRect const *destination_rect,
                                VdpRect const *destination_video_rect,
                                uint32_t layer_count,
                                VdpLayer const *layers)
{
   enum vl_compositor_deinterlace deinterlace;
   struct u_rect rect, clip, *prect;
   unsigned i, layer = 0;
   struct pipe_video_buffer *video_buffer;

   vlVdpVideoMixer *vmixer;
   vlVdpSurface *surf;
   vlVdpOutputSurface *dst, *bg = NULL;

   struct vl_compositor *compositor;

   vmixer = vlGetDataHTAB(mixer);
   if (!vmixer)
      return VDP_STATUS_INVALID_HANDLE;

   compositor = &vmixer->device->compositor;

   surf = vlGetDataHTAB(video_surface_current);
   if (!surf)
      return VDP_STATUS_INVALID_HANDLE;
   video_buffer = surf->video_buffer;

   if (surf->device != vmixer->device)
      return VDP_STATUS_HANDLE_DEVICE_MISMATCH;

   if (vmixer->video_width > video_buffer->width ||
       vmixer->video_height > video_buffer->height ||
       vmixer->chroma_format != video_buffer->chroma_format)
      return VDP_STATUS_INVALID_SIZE;

   if (layer_count > vmixer->max_layers)
      return VDP_STATUS_INVALID_VALUE;

   dst = vlGetDataHTAB(destination_surface);
   if (!dst)
      return VDP_STATUS_INVALID_HANDLE;

   if (background_surface != VDP_INVALID_HANDLE) {
      bg = vlGetDataHTAB(background_surface);
      if (!bg)
         return VDP_STATUS_INVALID_HANDLE;
   }

   pipe_mutex_lock(vmixer->device->mutex);
   vlVdpResolveDelayedRendering(vmixer->device, NULL, NULL);

   vl_compositor_clear_layers(&vmixer->cstate);

   if (bg)
      vl_compositor_set_rgba_layer(&vmixer->cstate, compositor, layer++, bg->sampler_view,
                                   RectToPipe(background_source_rect, &rect), NULL, NULL);

   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:
      deinterlace = VL_COMPOSITOR_WEAVE;
      break;

   default:
      pipe_mutex_unlock(vmixer->device->mutex);
      return VDP_STATUS_INVALID_VIDEO_MIXER_PICTURE_STRUCTURE;
   }

   if (deinterlace != VL_COMPOSITOR_WEAVE && vmixer->deint.enabled &&
       video_surface_past_count > 1 && video_surface_future_count > 0) {
      vlVdpSurface *prevprev = vlGetDataHTAB(video_surface_past[1]);
      vlVdpSurface *prev = vlGetDataHTAB(video_surface_past[0]);
      vlVdpSurface *next = vlGetDataHTAB(video_surface_future[0]);
      if (prevprev && prev && next &&
          vl_deint_filter_check_buffers(vmixer->deint.filter,
          prevprev->video_buffer, prev->video_buffer, surf->video_buffer, next->video_buffer)) {
         vl_deint_filter_render(vmixer->deint.filter, prevprev->video_buffer,
                                prev->video_buffer, surf->video_buffer,
                                next->video_buffer,
                                deinterlace == VL_COMPOSITOR_BOB_BOTTOM);
         deinterlace = VL_COMPOSITOR_WEAVE;
         video_buffer = vmixer->deint.filter->video_buffer;
      }
   }

   prect = RectToPipe(video_source_rect, &rect);
   if (!prect) {
      rect.x0 = 0;
      rect.y0 = 0;
      rect.x1 = surf->templat.width;
      rect.y1 = surf->templat.height;
      prect = ▭
   }
   vl_compositor_set_buffer_layer(&vmixer->cstate, compositor, layer, video_buffer, prect, NULL, deinterlace);
   vl_compositor_set_layer_dst_area(&vmixer->cstate, layer++, RectToPipe(destination_video_rect, &rect));

   for (i = 0; i < layer_count; ++i) {
      vlVdpOutputSurface *src = vlGetDataHTAB(layers->source_surface);
      if (!src) {
         pipe_mutex_unlock(vmixer->device->mutex);
         return VDP_STATUS_INVALID_HANDLE;
      }

      assert(layers->struct_version == VDP_LAYER_VERSION);

      vl_compositor_set_rgba_layer(&vmixer->cstate, compositor, layer, src->sampler_view,
                                   RectToPipe(layers->source_rect, &rect), NULL, NULL);
      vl_compositor_set_layer_dst_area(&vmixer->cstate, layer++, RectToPipe(layers->destination_rect, &rect));

      ++layers;
   }

   vl_compositor_set_dst_clip(&vmixer->cstate, RectToPipe(destination_rect, &clip));
   if (!vmixer->noise_reduction.filter && !vmixer->sharpness.filter)
      vlVdpSave4DelayedRendering(vmixer->device, destination_surface, &vmixer->cstate);
   else {
      vl_compositor_render(&vmixer->cstate, compositor, dst->surface, &dst->dirty_area, true);

      /* applying the noise reduction after scaling is actually not very
         clever, but currently we should avoid to copy around the image
         data once more. */
      if (vmixer->noise_reduction.filter)
         vl_median_filter_render(vmixer->noise_reduction.filter,
                                 dst->sampler_view, dst->surface);

      if (vmixer->sharpness.filter)
         vl_matrix_filter_render(vmixer->sharpness.filter,
                                 dst->sampler_view, dst->surface);
   }
   pipe_mutex_unlock(vmixer->device->mutex);

   return VDP_STATUS_OK;
}
/**
 * Enter a surface into the presentation queue.
 */
VdpStatus
vlVdpPresentationQueueDisplay(VdpPresentationQueue presentation_queue,
                              VdpOutputSurface surface,
                              uint32_t clip_width,
                              uint32_t clip_height,
                              VdpTime  earliest_presentation_time)
{
   static int dump_window = -1;

   vlVdpPresentationQueue *pq;
   vlVdpOutputSurface *surf;

   struct pipe_context *pipe;
   struct pipe_resource *tex;
   struct pipe_surface surf_templ, *surf_draw;
   struct u_rect src_rect, dst_clip, *dirty_area;

   struct vl_compositor *compositor;
   struct vl_compositor_state *cstate;

   pq = vlGetDataHTAB(presentation_queue);
   if (!pq)
      return VDP_STATUS_INVALID_HANDLE;

   surf = vlGetDataHTAB(surface);
   if (!surf)
      return VDP_STATUS_INVALID_HANDLE;

   pipe = pq->device->context;
   compositor = &pq->device->compositor;
   cstate = &pq->cstate;

   pipe_mutex_lock(pq->device->mutex);
   tex = vl_screen_texture_from_drawable(pq->device->vscreen, pq->drawable);
   if (!tex) {
      pipe_mutex_unlock(pq->device->mutex);
      return VDP_STATUS_INVALID_HANDLE;
   }

   dirty_area = vl_screen_get_dirty_area(pq->device->vscreen);

   memset(&surf_templ, 0, sizeof(surf_templ));
   surf_templ.format = tex->format;
   surf_templ.usage = PIPE_BIND_RENDER_TARGET;
   surf_draw = pipe->create_surface(pipe, tex, &surf_templ);

   surf->timestamp = (vlVdpTime)earliest_presentation_time;

   dst_clip.x0 = 0;
   dst_clip.y0 = 0;
   dst_clip.x1 = clip_width ? clip_width : surf_draw->width;
   dst_clip.y1 = clip_height ? clip_height : surf_draw->height;

   if (pq->device->delayed_rendering.surface == surface &&
       dst_clip.x1 == surf_draw->width && dst_clip.y1 == surf_draw->height) {

      // TODO: we correctly support the clipping here, but not the pq background color in the clipped area....
      cstate = pq->device->delayed_rendering.cstate;
      vl_compositor_set_dst_clip(cstate, &dst_clip);
      vlVdpResolveDelayedRendering(pq->device, surf_draw, dirty_area);

   } else {
      vlVdpResolveDelayedRendering(pq->device, NULL, NULL);

      src_rect.x0 = 0;
      src_rect.y0 = 0;
      src_rect.x1 = surf_draw->width;
      src_rect.y1 = surf_draw->height;

      vl_compositor_clear_layers(cstate);
      vl_compositor_set_rgba_layer(cstate, compositor, 0, surf->sampler_view, &src_rect, NULL, NULL);
      vl_compositor_set_dst_clip(cstate, &dst_clip);
      vl_compositor_render(cstate, compositor, surf_draw, dirty_area);
   }

   vl_screen_set_next_timestamp(pq->device->vscreen, earliest_presentation_time);
   pipe->screen->flush_frontbuffer
   (
      pipe->screen, tex, 0, 0,
      vl_screen_get_private(pq->device->vscreen)
   );

   pipe->screen->fence_reference(pipe->screen, &surf->fence, NULL);
   pipe->flush(pipe, &surf->fence);

   if (dump_window == -1) {
      dump_window = debug_get_num_option("VDPAU_DUMP", 0);
   }

   if (dump_window) {
      static unsigned int framenum = 0;
      char cmd[256];

      if (framenum) {
         sprintf(cmd, "xwd -id %d -silent -out vdpau_frame_%08d.xwd", (int)pq->drawable, framenum);
         if (system(cmd) != 0)
            VDPAU_MSG(VDPAU_ERR, "[VDPAU] Dumping surface %d failed.\n", surface);
      }
      framenum++;
   }

   pipe_resource_reference(&tex, NULL);
   pipe_surface_reference(&surf_draw, NULL);
   pipe_mutex_unlock(pq->device->mutex);

   return VDP_STATUS_OK;
}