#define TS2D(ts) ((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts))
#define TS2T(ts, tb) ((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts) * av_q2d(tb))
-static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpic)
+static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *inpic)
{
HueContext *hue = inlink->dst->priv;
AVFilterLink *outlink = inlink->dst->outputs[0];
- AVFilterBufferRef *buf_out;
+ AVFilterBufferRef *outpic;
- outlink->out_buf = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
- if (!outlink->out_buf)
- return AVERROR(ENOMEM);
-
- avfilter_copy_buffer_ref_props(outlink->out_buf, inpic);
- outlink->out_buf->video->w = outlink->w;
- outlink->out_buf->video->h = outlink->h;
- buf_out = avfilter_ref_buffer(outlink->out_buf, ~0);
- if (!buf_out)
+ outpic = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
+ if (!outpic) {
+ avfilter_unref_bufferp(&inpic);
return AVERROR(ENOMEM);
+ }
+ avfilter_copy_buffer_ref_props(outpic, inpic);
if (!hue->flat_syntax) {
hue->var_values[VAR_T] = TS2T(inpic->pts, inlink->time_base);
hue->var_values[VAR_N] += 1;
- return ff_start_frame(outlink, buf_out);
-}
-
-static int draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
-{
- HueContext *hue = inlink->dst->priv;
- AVFilterBufferRef *inpic = inlink->cur_buf;
- AVFilterBufferRef *outpic = inlink->dst->outputs[0]->out_buf;
- uint8_t *inrow[3], *outrow[3]; // 0 : Y, 1 : U, 2 : V
- int plane;
-
- inrow[0] = inpic->data[0] + y * inpic->linesize[0];
- outrow[0] = outpic->data[0] + y * outpic->linesize[0];
-
- for (plane = 1; plane < 3; plane++) {
- inrow[plane] = inpic->data[plane] + (y >> hue->vsub) * inpic->linesize[plane];
- outrow[plane] = outpic->data[plane] + (y >> hue->vsub) * outpic->linesize[plane];
- }
-
- av_image_copy_plane(outrow[0], outpic->linesize[0],
- inrow[0], inpic->linesize[0],
+ av_image_copy_plane(outpic->data[0], outpic->linesize[0],
+ inpic->data[0], inpic->linesize[0],
inlink->w, inlink->h);
- process_chrominance(outrow[1], outrow[2], outpic->linesize[1],
- inrow[1], inrow[2], inpic->linesize[1],
+ process_chrominance(outpic->data[1], outpic->data[2], outpic->linesize[1],
+ inpic->data[1], inpic->data[2], inpic->linesize[1],
inlink->w >> hue->hsub, inlink->h >> hue->vsub,
hue->hue_cos, hue->hue_sin);
- return ff_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
+ avfilter_unref_bufferp(&inpic);
+ return ff_filter_frame(outlink, outpic);
}
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
return AVERROR(ENOSYS);
}
+static const AVFilterPad hue_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = filter_frame,
+ .config_props = config_props,
+ .min_perms = AV_PERM_READ,
+ },
+ { NULL }
+};
+
+static const AVFilterPad hue_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ },
+ { NULL }
+};
+
AVFilter avfilter_vf_hue = {
.name = "hue",
.description = NULL_IF_CONFIG_SMALL("Adjust the hue and saturation of the input video."),
.uninit = uninit,
.query_formats = query_formats,
.process_command = process_command,
-
- .inputs = (const AVFilterPad[]) {
- {
- .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .start_frame = start_frame,
- .draw_slice = draw_slice,
- .config_props = config_props,
- .min_perms = AV_PERM_READ,
- },
- { .name = NULL }
- },
- .outputs = (const AVFilterPad[]) {
- {
- .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- },
- { .name = NULL }
- },
- .priv_class = &hue_class,
+ .inputs = hue_inputs,
+ .outputs = hue_outputs,
+ .priv_class = &hue_class,
};