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Code Issues Releases Activity

lavfi/hue: move to ff_filter_frame.

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This commit is contained in:
Clément Bœsch 2012-12-02 01:11:48 +01:00
parent 72e84a08e6
commit adfd9ca3fa
1 changed files with 14 additions and 37 deletions
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51
libavfilter/vf_hue.c
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@ -307,22 +307,18 @@ static void process_chrominance(uint8_t *udst, uint8_t *vdst, const int dst_line
#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);
@ -356,35 +352,17 @@ static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpic)
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,
@ -400,8 +378,7 @@ static const AVFilterPad hue_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.start_frame = start_frame,
.draw_slice = draw_slice,
.filter_frame = filter_frame,
.config_props = config_props,
.min_perms = AV_PERM_READ,
},