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Abstract away MPEG2 support

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Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
This commit is contained in:
Maxime Ripard
2018-07-11 16:18:18 +02:00
committed by Paul Kocialkowski
parent 03fd51b3b3
commit d7d8fc744b
5 changed files with 104 additions and 98 deletions
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src/mpeg2.c
+35 -43
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@@ -34,63 +34,55 @@
#include <linux/videodev2.h>
int mpeg2_fill_picture_parameters(struct sunxi_cedrus_driver_data *driver_data,
struct object_context *context_object,
struct object_surface *surface_object,
VAPictureParameterBufferMPEG2 *parameters)
#include "v4l2.h"
int mpeg2_set_controls(struct sunxi_cedrus_driver_data *driver_data,
struct object_surface *surface_object)
{
struct v4l2_ctrl_mpeg2_slice_params *slice_params = &surface_object->mpeg2_slice_params;
VAPictureParameterBufferMPEG2 *parameters = &surface_object->params.mpeg2.picture;
struct v4l2_ctrl_mpeg2_slice_params slice_params;
struct object_surface *forward_reference_surface;
struct object_surface *backward_reference_surface;
int rc;
slice_params->width = context_object->picture_width;
slice_params->height = context_object->picture_height;
memset(&slice_params, 0, sizeof(slice_params));
slice_params->slice_type = parameters->picture_coding_type;
slice_params->f_code[0][0] = (parameters->f_code >> 12) & 0x0f;
slice_params->f_code[0][1] = (parameters->f_code >> 8) & 0x0f;
slice_params->f_code[1][0] = (parameters->f_code >> 4) & 0x0f;
slice_params->f_code[1][1] = (parameters->f_code >> 0) & 0x0f;
slice_params.width = surface_object->width;
slice_params.height = surface_object->height;
slice_params->intra_dc_precision = parameters->picture_coding_extension.bits.intra_dc_precision;
slice_params->picture_structure = parameters->picture_coding_extension.bits.picture_structure;
slice_params->top_field_first = parameters->picture_coding_extension.bits.top_field_first;
slice_params->frame_pred_frame_dct = parameters->picture_coding_extension.bits.frame_pred_frame_dct;
slice_params->concealment_motion_vectors = parameters->picture_coding_extension.bits.concealment_motion_vectors;
slice_params->q_scale_type = parameters->picture_coding_extension.bits.q_scale_type;
slice_params->intra_vlc_format = parameters->picture_coding_extension.bits.intra_vlc_format;
slice_params->alternate_scan = parameters->picture_coding_extension.bits.alternate_scan;
slice_params.slice_pos = 0;
slice_params.slice_len = surface_object->slices_size * 8;
slice_params.slice_type = parameters->picture_coding_type;
slice_params.f_code[0][0] = (parameters->f_code >> 12) & 0x0f;
slice_params.f_code[0][1] = (parameters->f_code >> 8) & 0x0f;
slice_params.f_code[1][0] = (parameters->f_code >> 4) & 0x0f;
slice_params.f_code[1][1] = (parameters->f_code >> 0) & 0x0f;
slice_params.intra_dc_precision = parameters->picture_coding_extension.bits.intra_dc_precision;
slice_params.picture_structure = parameters->picture_coding_extension.bits.picture_structure;
slice_params.top_field_first = parameters->picture_coding_extension.bits.top_field_first;
slice_params.frame_pred_frame_dct = parameters->picture_coding_extension.bits.frame_pred_frame_dct;
slice_params.concealment_motion_vectors = parameters->picture_coding_extension.bits.concealment_motion_vectors;
slice_params.q_scale_type = parameters->picture_coding_extension.bits.q_scale_type;
slice_params.intra_vlc_format = parameters->picture_coding_extension.bits.intra_vlc_format;
slice_params.alternate_scan = parameters->picture_coding_extension.bits.alternate_scan;
forward_reference_surface = SURFACE(parameters->forward_reference_picture);
if (forward_reference_surface != NULL)
slice_params->forward_ref_index = forward_reference_surface->destination_index;
slice_params.forward_ref_index = forward_reference_surface->destination_index;
else
slice_params->forward_ref_index = surface_object->destination_index;
slice_params.forward_ref_index = surface_object->destination_index;
backward_reference_surface = SURFACE(parameters->backward_reference_picture);
if (backward_reference_surface != NULL)
slice_params->backward_ref_index = backward_reference_surface->destination_index;
slice_params.backward_ref_index = backward_reference_surface->destination_index;
else
slice_params->backward_ref_index = surface_object->destination_index;
return 0;
}
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;
slice_params.backward_ref_index = surface_object->destination_index;
rc = v4l2_set_control(driver_data->video_fd, surface_object->request_fd, V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS, &slice_params, sizeof(slice_params));
if (rc < 0)
return VA_STATUS_ERROR_OPERATION_FAILED;
return 0;
}