*/
#include "avfilter.h"
+#include "formats.h"
+#include "video.h"
+#include "internal.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
{NULL},
};
-static const AVClass mandelbrot_class = {
- "MBContext",
- av_default_item_name,
- mandelbrot_options
-};
+AVFILTER_DEFINE_CLASS(mandelbrot);
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int init(AVFilterContext *ctx, const char *args)
{
MBContext *mb = ctx->priv;
AVRational rate_q;
mb->class = &mandelbrot_class;
av_opt_set_defaults(mb);
- if ((err = (av_set_options_string(mb, args, "=", ":"))) < 0) {
- av_log(ctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
+ if ((err = (av_set_options_string(mb, args, "=", ":"))) < 0)
return err;
- }
mb->bailout *= mb->bailout;
mb->start_scale /=mb->h;
mb->end_scale /=mb->h;
- if (av_parse_video_rate(&rate_q, mb->rate) < 0 ||
- rate_q.den <= 0 || rate_q.num <= 0) {
+ if (av_parse_video_rate(&rate_q, mb->rate) < 0) {
av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: %s\n", mb->rate);
return AVERROR(EINVAL);
}
PIX_FMT_NONE
};
- avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts));
+ ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
return 0;
}
static int request_frame(AVFilterLink *link)
{
MBContext *mb = link->src->priv;
- AVFilterBufferRef *picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, mb->w, mb->h);
+ AVFilterBufferRef *picref = ff_get_video_buffer(link, AV_PERM_WRITE, mb->w, mb->h);
picref->video->sample_aspect_ratio = (AVRational) {1, 1};
picref->pts = mb->pts++;
picref->pos = -1;
- avfilter_start_frame(link, avfilter_ref_buffer(picref, ~0));
+ ff_start_frame(link, avfilter_ref_buffer(picref, ~0));
draw_mandelbrot(link->src, (uint32_t*)picref->data[0], picref->linesize[0]/4, picref->pts);
- avfilter_draw_slice(link, 0, mb->h, 1);
- avfilter_end_frame(link);
+ ff_draw_slice(link, 0, mb->h, 1);
+ ff_end_frame(link);
avfilter_unref_buffer(picref);
return 0;