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Diffstat (limited to 'libavfilter/vf_boxblur.c')
-rw-r--r--libavfilter/vf_boxblur.c88
1 files changed, 44 insertions, 44 deletions
diff --git a/libavfilter/vf_boxblur.c b/libavfilter/vf_boxblur.c
index 75e1c9c690..b0106708c3 100644
--- a/libavfilter/vf_boxblur.c
+++ b/libavfilter/vf_boxblur.c
@@ -2,20 +2,20 @@
* Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at>
* Copyright (c) 2011 Stefano Sabatini
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or modify
+ * FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
- * with Libav; if not, write to the Free Software Foundation, Inc.,
+ * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
@@ -58,6 +58,7 @@ enum var_name {
typedef struct {
int radius;
int power;
+ char *radius_expr;
} FilterParam;
typedef struct {
@@ -65,9 +66,6 @@ typedef struct {
FilterParam luma_param;
FilterParam chroma_param;
FilterParam alpha_param;
- char *luma_radius_expr;
- char *chroma_radius_expr;
- char *alpha_radius_expr;
int hsub, vsub;
int radius[4];
@@ -84,23 +82,27 @@ static av_cold int init(AVFilterContext *ctx)
{
BoxBlurContext *boxblur = ctx->priv;
- if (!boxblur->luma_radius_expr) {
+ if (!boxblur->luma_param.radius_expr) {
av_log(ctx, AV_LOG_ERROR, "Luma radius expression is not set.\n");
return AVERROR(EINVAL);
}
- if (!boxblur->chroma_radius_expr) {
- boxblur->chroma_radius_expr = av_strdup(boxblur->luma_radius_expr);
- if (!boxblur->chroma_radius_expr)
+ /* fill missing params */
+ if (!boxblur->chroma_param.radius_expr) {
+ boxblur->chroma_param.radius_expr = av_strdup(boxblur->luma_param.radius_expr);
+ if (!boxblur->chroma_param.radius_expr)
return AVERROR(ENOMEM);
- boxblur->chroma_param.power = boxblur->luma_param.power;
}
- if (!boxblur->alpha_radius_expr) {
- boxblur->alpha_radius_expr = av_strdup(boxblur->luma_radius_expr);
- if (!boxblur->alpha_radius_expr)
+ if (boxblur->chroma_param.power < 0)
+ boxblur->chroma_param.power = boxblur->luma_param.power;
+
+ if (!boxblur->alpha_param.radius_expr) {
+ boxblur->alpha_param.radius_expr = av_strdup(boxblur->luma_param.radius_expr);
+ if (!boxblur->alpha_param.radius_expr)
return AVERROR(ENOMEM);
- boxblur->alpha_param.power = boxblur->luma_param.power;
}
+ if (boxblur->alpha_param.power < 0)
+ boxblur->alpha_param.power = boxblur->luma_param.power;
return 0;
}
@@ -115,7 +117,7 @@ static av_cold void uninit(AVFilterContext *ctx)
static int query_formats(AVFilterContext *ctx)
{
- enum AVPixelFormat pix_fmts[] = {
+ static const enum AVPixelFormat pix_fmts[] = {
AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P,
AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUVA420P,
AV_PIX_FMT_YUV440P, AV_PIX_FMT_GRAY8,
@@ -139,14 +141,9 @@ static int config_input(AVFilterLink *inlink)
char *expr;
int ret;
- av_freep(&boxblur->temp[0]);
- av_freep(&boxblur->temp[1]);
- if (!(boxblur->temp[0] = av_malloc(FFMAX(w, h))))
- return AVERROR(ENOMEM);
- if (!(boxblur->temp[1] = av_malloc(FFMAX(w, h)))) {
- av_freep(&boxblur->temp[0]);
+ if (!(boxblur->temp[0] = av_malloc(FFMAX(w, h))) ||
+ !(boxblur->temp[1] = av_malloc(FFMAX(w, h))))
return AVERROR(ENOMEM);
- }
boxblur->hsub = desc->log2_chroma_w;
boxblur->vsub = desc->log2_chroma_h;
@@ -159,7 +156,7 @@ static int config_input(AVFilterLink *inlink)
var_values[VAR_VSUB] = 1<<boxblur->vsub;
#define EVAL_RADIUS_EXPR(comp) \
- expr = boxblur->comp##_radius_expr; \
+ expr = boxblur->comp##_param.radius_expr; \
ret = av_expr_parse_and_eval(&res, expr, var_names, var_values, \
NULL, NULL, NULL, NULL, NULL, 0, ctx); \
boxblur->comp##_param.radius = res; \
@@ -172,7 +169,7 @@ static int config_input(AVFilterLink *inlink)
EVAL_RADIUS_EXPR(chroma);
EVAL_RADIUS_EXPR(alpha);
- av_log(ctx, AV_LOG_DEBUG,
+ av_log(ctx, AV_LOG_VERBOSE,
"luma_radius:%d luma_power:%d "
"chroma_radius:%d chroma_power:%d "
"alpha_radius:%d alpha_power:%d "
@@ -334,27 +331,29 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
}
#define OFFSET(x) offsetof(BoxBlurContext, x)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
-static const AVOption options[] = {
- { "luma_radius", "Radius of the luma blurring box", OFFSET(luma_radius_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
- { "luma_power", "How many times should the boxblur be applied to luma",
- OFFSET(luma_param.power), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, INT_MAX, FLAGS },
- { "chroma_radius", "Radius of the chroma blurring box", OFFSET(chroma_radius_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
- { "chroma_power", "How many times should the boxblur be applied to chroma",
- OFFSET(chroma_param.power), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, INT_MAX, FLAGS },
- { "alpha_radius", "Radius of the alpha blurring box", OFFSET(alpha_radius_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
- { "alpha_power", "How many times should the boxblur be applied to alpha",
- OFFSET(alpha_param.power), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, INT_MAX, FLAGS },
- { NULL },
-};
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+
+static const AVOption boxblur_options[] = {
+ { "luma_radius", "Radius of the luma blurring box", OFFSET(luma_param.radius_expr), AV_OPT_TYPE_STRING, {.str="2"}, .flags = FLAGS },
+ { "lr", "Radius of the luma blurring box", OFFSET(luma_param.radius_expr), AV_OPT_TYPE_STRING, {.str="2"}, .flags = FLAGS },
+ { "luma_power", "How many times should the boxblur be applied to luma", OFFSET(luma_param.power), AV_OPT_TYPE_INT, {.i64=2}, 0, INT_MAX, .flags = FLAGS },
+ { "lp", "How many times should the boxblur be applied to luma", OFFSET(luma_param.power), AV_OPT_TYPE_INT, {.i64=2}, 0, INT_MAX, .flags = FLAGS },
+
+ { "chroma_radius", "Radius of the chroma blurring box", OFFSET(chroma_param.radius_expr), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
+ { "cr", "Radius of the chroma blurring box", OFFSET(chroma_param.radius_expr), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
+ { "chroma_power", "How many times should the boxblur be applied to chroma", OFFSET(chroma_param.power), AV_OPT_TYPE_INT, {.i64=-1}, -1, INT_MAX, .flags = FLAGS },
+ { "cp", "How many times should the boxblur be applied to chroma", OFFSET(chroma_param.power), AV_OPT_TYPE_INT, {.i64=-1}, -1, INT_MAX, .flags = FLAGS },
-static const AVClass boxblur_class = {
- .class_name = "boxblur",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
+ { "alpha_radius", "Radius of the alpha blurring box", OFFSET(alpha_param.radius_expr), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
+ { "ar", "Radius of the alpha blurring box", OFFSET(alpha_param.radius_expr), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
+ { "alpha_power", "How many times should the boxblur be applied to alpha", OFFSET(alpha_param.power), AV_OPT_TYPE_INT, {.i64=-1}, -1, INT_MAX, .flags = FLAGS },
+ { "ap", "How many times should the boxblur be applied to alpha", OFFSET(alpha_param.power), AV_OPT_TYPE_INT, {.i64=-1}, -1, INT_MAX, .flags = FLAGS },
+
+ { NULL }
};
+AVFILTER_DEFINE_CLASS(boxblur);
+
static const AVFilterPad avfilter_vf_boxblur_inputs[] = {
{
.name = "default",
@@ -384,4 +383,5 @@ AVFilter avfilter_vf_boxblur = {
.inputs = avfilter_vf_boxblur_inputs,
.outputs = avfilter_vf_boxblur_outputs,
+ .flags = AVFILTER_FLAG_SUPPORT_TIMELINE,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 19:04:05 +0000