#include "avfilter.h"
#include "formats.h"
#include "internal.h"
-#include "scale.h"
+#include "scale_eval.h"
#include "video.h"
#include "libavutil/avstring.h"
#include "libavutil/internal.h"
int in_v_chr_pos;
int force_original_aspect_ratio;
+ int force_divisible_by;
int nb_slices;
&w, &h)) < 0)
goto fail;
- /* Note that force_original_aspect_ratio may overwrite the previous set
- * dimensions so that it is not divisible by the set factors anymore. */
- if (scale->force_original_aspect_ratio) {
- int tmp_w = av_rescale(h, inlink->w, inlink->h);
- int tmp_h = av_rescale(w, inlink->h, inlink->w);
-
- if (scale->force_original_aspect_ratio == 1) {
- w = FFMIN(tmp_w, w);
- h = FFMIN(tmp_h, h);
- } else {
- w = FFMAX(tmp_w, w);
- h = FFMAX(tmp_h, h);
- }
- }
+ ff_scale_adjust_dimensions(inlink, &w, &h,
+ scale->force_original_aspect_ratio,
+ scale->force_divisible_by);
if (w > INT_MAX || h > INT_MAX ||
(h * inlink->w) > INT_MAX ||
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,
out,out_stride);
}
-static int filter_frame(AVFilterLink *link, AVFrame *in)
+static int scale_frame(AVFilterLink *link, AVFrame *in, AVFrame **frame_out)
{
ScaleContext *scale = link->dst->priv;
AVFilterLink *outlink = link->dst->outputs[0];
char buf[32];
int in_range;
+ *frame_out = NULL;
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) {
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;
}
- if (!scale->sws)
- return ff_filter_frame(outlink, in);
+ if (!scale->sws) {
+ *frame_out = in;
+ return 0;
+ }
scale->hsub = desc->log2_chroma_w;
scale->vsub = desc->log2_chroma_h;
av_frame_free(&in);
return AVERROR(ENOMEM);
}
+ *frame_out = out;
av_frame_copy_props(out, in);
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;
(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++) {
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);
}
av_frame_free(&in);
- return ff_filter_frame(outlink, out);
+ return 0;
+}
+
+static int filter_frame(AVFilterLink *link, AVFrame *in)
+{
+ AVFilterContext *ctx = link->dst;
+ AVFilterLink *outlink = ctx->outputs[0];
+ AVFrame *out;
+ int ret;
+
+ ret = scale_frame(link, in, &out);
+ if (out)
+ return ff_filter_frame(outlink, out);
+
+ return ret;
}
static int filter_frame_ref(AVFilterLink *link, AVFrame *in)
#define OFFSET(x) offsetof(ScaleContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+#define TFLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption scale_options[] = {
- { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
- { "width", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
- { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
- { "height","Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, .flags = TFLAGS },
+ { "width", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, .flags = TFLAGS },
+ { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = TFLAGS },
+ { "height","Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = TFLAGS },
{ "flags", "Flags to pass to libswscale", OFFSET(flags_str), AV_OPT_TYPE_STRING, { .str = "bilinear" }, .flags = FLAGS },
{ "interl", "set interlacing", OFFSET(interlaced), AV_OPT_TYPE_BOOL, {.i64 = 0 }, -1, 1, FLAGS },
{ "size", "set video size", OFFSET(size_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, FLAGS },
{ "s", "set video size", OFFSET(size_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, FLAGS },
- { "in_color_matrix", "set input YCbCr type", OFFSET(in_color_matrix), AV_OPT_TYPE_STRING, { .str = "auto" }, .flags = FLAGS },
- { "out_color_matrix", "set output YCbCr type", OFFSET(out_color_matrix), AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS },
+ { "in_color_matrix", "set input YCbCr type", OFFSET(in_color_matrix), AV_OPT_TYPE_STRING, { .str = "auto" }, .flags = FLAGS, "color" },
+ { "out_color_matrix", "set output YCbCr type", OFFSET(out_color_matrix), AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS, "color"},
+ { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .str = "auto" }, 0, 0, FLAGS, "color" },
+ { "bt601", NULL, 0, AV_OPT_TYPE_CONST, { .str = "bt601" }, 0, 0, FLAGS, "color" },
+ { "bt470", NULL, 0, AV_OPT_TYPE_CONST, { .str = "bt470" }, 0, 0, FLAGS, "color" },
+ { "smpte170m", NULL, 0, AV_OPT_TYPE_CONST, { .str = "smpte170m" }, 0, 0, FLAGS, "color" },
+ { "bt709", NULL, 0, AV_OPT_TYPE_CONST, { .str = "bt709" }, 0, 0, FLAGS, "color" },
+ { "fcc", NULL, 0, AV_OPT_TYPE_CONST, { .str = "fcc" }, 0, 0, FLAGS, "color" },
+ { "smpte240m", NULL, 0, AV_OPT_TYPE_CONST, { .str = "smpte240m" }, 0, 0, FLAGS, "color" },
+ { "bt2020", NULL, 0, AV_OPT_TYPE_CONST, { .str = "bt2020" }, 0, 0, FLAGS, "color" },
{ "in_range", "set input color range", OFFSET( in_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED }, 0, 2, FLAGS, "range" },
{ "out_range", "set output color range", OFFSET(out_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED }, 0, 2, FLAGS, "range" },
{ "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_UNSPECIFIED }, 0, 0, FLAGS, "range" },
{ "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, FLAGS, "force_oar" },
{ "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, FLAGS, "force_oar" },
{ "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, FLAGS, "force_oar" },
+ { "force_divisible_by", "enforce that the output resolution is divisible by a defined integer when force_original_aspect_ratio is used", OFFSET(force_divisible_by), AV_OPT_TYPE_INT, { .i64 = 1}, 1, 256, FLAGS },
{ "param0", "Scaler param 0", OFFSET(param[0]), AV_OPT_TYPE_DOUBLE, { .dbl = SWS_PARAM_DEFAULT }, INT_MIN, INT_MAX, FLAGS },
{ "param1", "Scaler param 1", OFFSET(param[1]), AV_OPT_TYPE_DOUBLE, { .dbl = SWS_PARAM_DEFAULT }, INT_MIN, INT_MAX, FLAGS },
{ "nb_slices", "set the number of slices (debug purpose only)", OFFSET(nb_slices), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
projects / ffmpeg / blobdiff