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avfilter/vf_scale: cosmetics

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Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Limin Wang 2019-09-26 23:36:54 +08:00 committed by Michael Niedermayer
parent 87ddf9f1ef
commit b9d479bac4
1 changed files with 8 additions and 9 deletions
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17
libavfilter/vf_scale.c
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@ -396,16 +396,16 @@ static int scale_slice(AVFilterLink *link, AVFrame *out_buf, AVFrame *cur_pic, s
int in_stride[4],out_stride[4];
int i;
for(i=0; i<4; i++){
for (i=0; i<4; i++) {
int vsub= ((i+1)&2) ? scale->vsub : 0;
in_stride[i] = cur_pic->linesize[i] * mul;
out_stride[i] = out_buf->linesize[i] * mul;
in[i] = cur_pic->data[i] + ((y>>vsub)+field) * cur_pic->linesize[i];
out[i] = out_buf->data[i] + field * out_buf->linesize[i];
}
if(scale->input_is_pal)
if (scale->input_is_pal)
in[1] = cur_pic->data[1];
if(scale->output_is_pal)
if (scale->output_is_pal)
out[1] = out_buf->data[1];
return sws_scale(sws, in, in_stride, y/mul, h,
@ -425,7 +425,7 @@ static int scale_frame(AVFilterLink *link, AVFrame *in, AVFrame **frame_out)
if (in->colorspace == AVCOL_SPC_YCGCO)
av_log(link->dst, AV_LOG_WARNING, "Detected unsupported YCgCo colorspace.\n");
if( in->width != link->w
if ( in->width != link->w
|| in->height != link->h
|| in->format != link->format
|| in->sample_aspect_ratio.den != link->sample_aspect_ratio.den || in->sample_aspect_ratio.num != link->sample_aspect_ratio.num) {
@ -445,7 +445,6 @@ static int scale_frame(AVFilterLink *link, AVFrame *in, AVFrame **frame_out)
link->dst->inputs[0]->sample_aspect_ratio.den = in->sample_aspect_ratio.den;
link->dst->inputs[0]->sample_aspect_ratio.num = in->sample_aspect_ratio.num;
if ((ret = config_props(outlink)) < 0)
return ret;
}
@ -469,7 +468,7 @@ static int scale_frame(AVFilterLink *link, AVFrame *in, AVFrame **frame_out)
out->width = outlink->w;
out->height = outlink->h;
if(scale->output_is_pal)
if (scale->output_is_pal)
avpriv_set_systematic_pal2((uint32_t*)out->data[1], outlink->format == AV_PIX_FMT_PAL8 ? AV_PIX_FMT_BGR8 : outlink->format);
in_range = in->color_range;
@ -520,10 +519,10 @@ static int scale_frame(AVFilterLink *link, AVFrame *in, AVFrame **frame_out)
(int64_t)in->sample_aspect_ratio.den * outlink->w * link->h,
INT_MAX);
if(scale->interlaced>0 || (scale->interlaced<0 && in->interlaced_frame)){
if (scale->interlaced>0 || (scale->interlaced<0 && in->interlaced_frame)) {
scale_slice(link, out, in, scale->isws[0], 0, (link->h+1)/2, 2, 0);
scale_slice(link, out, in, scale->isws[1], 0, link->h /2, 2, 1);
}else if (scale->nb_slices) {
} else if (scale->nb_slices) {
int i, slice_h, slice_start, slice_end = 0;
const int nb_slices = FFMIN(scale->nb_slices, link->h);
for (i = 0; i < nb_slices; i++) {
@ -532,7 +531,7 @@ static int scale_frame(AVFilterLink *link, AVFrame *in, AVFrame **frame_out)
slice_h = slice_end - slice_start;
scale_slice(link, out, in, scale->sws, slice_start, slice_h, 1, 0);
}
}else{
} else {
scale_slice(link, out, in, scale->sws, 0, link->h, 1, 0);
}