marfrit/libva-v4l2-request-fourier
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Centralize buffer-related ressources in surface object and avoid dynamic indexes

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Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
This commit is contained in:
Paul Kocialkowski
2018-04-25 10:44:44 +02:00
parent 27c8a97901
commit f872e345d0
11 changed files with 115 additions and 119 deletions
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src/mpeg2.c
+17 -5
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@@ -39,7 +39,7 @@ int mpeg2_fill_picture_parameters(struct sunxi_cedrus_driver_data *driver_data,
struct object_surface *surface_object,
VAPictureParameterBufferMPEG2 *parameters)
{
struct v4l2_ctrl_mpeg2_frame_hdr *header = &context_object->mpeg2_frame_hdr;
struct v4l2_ctrl_mpeg2_frame_hdr *header = &surface_object->mpeg2_header;
struct object_surface *forward_reference_surface;
struct object_surface *backward_reference_surface;
@@ -65,15 +65,15 @@ int mpeg2_fill_picture_parameters(struct sunxi_cedrus_driver_data *driver_data,
forward_reference_surface = SURFACE(parameters->forward_reference_picture);
if (forward_reference_surface != NULL)
header->forward_ref_index = forward_reference_surface->output_buf_index;
header->forward_ref_index = forward_reference_surface->destination_index;
else
header->forward_ref_index = surface_object->output_buf_index;
header->forward_ref_index = surface_object->destination_index;
backward_reference_surface = SURFACE(parameters->backward_reference_picture);
if (backward_reference_surface != NULL)
header->backward_ref_index = backward_reference_surface->output_buf_index;
header->backward_ref_index = backward_reference_surface->destination_index;
else
header->backward_ref_index = surface_object->output_buf_index;
header->backward_ref_index = surface_object->destination_index;
header->width = context_object->picture_width;
header->height = context_object->picture_height;
@@ -85,5 +85,17 @@ int mpeg2_fill_slice_data(struct sunxi_cedrus_driver_data *driver_data,
struct object_context *context_object,
struct object_surface *surface_object, void *data, unsigned int size)
{
unsigned char *p = (unsigned char *) surface_object->source_data +
surface_object->slices_size;
/*
* Since there is no guarantee that the allocation order is the same as
* the submission order (via RenderPicture), we can't use a V4L2 buffer
* directly and have to copy from a regular buffer.
* */
memcpy(p, data, size);
surface_object->slices_size += size;
return 0;
}