int gavl_deinterlacer_init_scale(gavl_video_deinterlacer_t * d)
{
gavl_video_options_t * scaler_opt;
gavl_video_format_t in_format;
gavl_video_format_t out_format;
if(!d->scaler)
d->scaler = gavl_video_scaler_create();
scaler_opt = gavl_video_scaler_get_options(d->scaler);
gavl_video_options_copy(scaler_opt, &d->opt);
gavl_video_format_copy(&in_format, &d->format);
gavl_video_format_copy(&out_format, &d->format);
if(in_format.interlace_mode == GAVL_INTERLACE_NONE)
in_format.interlace_mode = GAVL_INTERLACE_TOP_FIRST;
out_format.interlace_mode = GAVL_INTERLACE_NONE;
gavl_video_scaler_init(d->scaler,
&in_format,
&out_format);
d->func = deinterlace_scale;
return 1;
}
static void * create_cropscale()
{
cropscale_priv_t * ret;
ret = calloc(1, sizeof(*ret));
ret->scaler = gavl_video_scaler_create();
ret->opt = gavl_video_scaler_get_options(ret->scaler);
ret->global_opt = gavl_video_options_create();
ret->border_color[3] = 1.0;
return ret;
}
livido_init_f init_instance( livido_port_t *my_instance )
{
int width = 0, height = 0;
lvd_extract_dimensions( my_instance, "out_channels", &width, &height );
scale0tilt_instance_t* inst = (scale0tilt_instance_t*)livido_malloc(sizeof(scale0tilt_instance_t));
livido_memset( inst, 0, sizeof(scale0tilt_instance_t) );
inst->w = width;
inst->h = height;
inst->sx = 1.0;
inst->sy = 1.0;
inst->format_src.frame_width = inst->w;
inst->format_src.frame_height = inst->h;
inst->format_src.image_width = inst->w;
inst->format_src.image_height = inst->h;
inst->format_src.pixel_width = 1;
inst->format_src.pixel_height = 1;
inst->format_src.pixelformat = GAVL_YUVJ_444_P;
inst->video_scaler = gavl_video_scaler_create();
inst->frame_src = gavl_video_frame_create( NULL );
inst->frame_dst = gavl_video_frame_create( NULL );
inst->frame_src->strides[0] = width;
inst->frame_src->strides[1] = width;
inst->frame_src->strides[2] = width;
inst->frame_dst->strides[0] = width;
inst->frame_dst->strides[1] = width;
inst->frame_dst->strides[2] = width;
update_scaler(inst);
inst->temp = gavl_video_frame_create( &(inst->format_src) );
inst->temp_alpha = gavl_video_frame_create( &(inst->format_src) );
livido_property_set( my_instance, "PLUGIN_private", LIVIDO_ATOM_TYPE_VOIDPTR,1, &inst);
return LIVIDO_NO_ERROR;
}
static int add_context_scale(gavl_video_converter_t * cnv,
const gavl_video_format_t * input_format,
const gavl_video_format_t * output_format)
{
gavl_video_options_t * scaler_options;
gavl_video_convert_context_t * ctx;
ctx = add_context(cnv, input_format, output_format);
ctx->scaler = gavl_video_scaler_create();
scaler_options = gavl_video_scaler_get_options(ctx->scaler);
gavl_video_options_copy(scaler_options, &cnv->options);
#if 0
fprintf(stderr, "gavl_video_scaler_init:\n");
fprintf(stderr, "src_format:\n");
gavl_video_format_dump(input_format);
fprintf(stderr, "dst_format:\n");
gavl_video_format_dump(output_format);
fprintf(stderr, "src_rectangle: ");
gavl_rectangle_f_dump(&cnv->options.src_rect);
fprintf(stderr, "\n");
fprintf(stderr, "dst_rectangle: ");
gavl_rectangle_i_dump(&cnv->options.dst_rect);
fprintf(stderr, "\n");
#endif
if(!gavl_video_scaler_init(ctx->scaler,
input_format,
output_format))
{
// fprintf(stderr, "Initializing scaler failed\n");
return 0;
}
ctx->func = scale_func;
return 1;
}