---
doc/filters.texi | 3 +++
libavfilter/vf_amf_common.c | 10 ++++++++--
libavfilter/vf_amf_common.h | 1 +
libavfilter/vf_vpp_amf.c | 1 +
4 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/doc/filters.texi b/doc/filters.texi
index d72b0da7f3..4cefef6cbc 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -25796,6 +25796,9 @@ pixel format is used.
@item force_divisible_by
Work the same as the identical @ref{scale} filter options.
+@item reset_sar
+Works the same as the identical @ref{scale} filter option.
+
@anchor{color_profile}
@item color_profile
Specify all color properties at once.
diff --git a/libavfilter/vf_amf_common.c b/libavfilter/vf_amf_common.c
index 9c48b4218e..cbc532f822 100644
--- a/libavfilter/vf_amf_common.c
+++ b/libavfilter/vf_amf_common.c
@@ -158,7 +158,9 @@ int amf_filter_filter_frame(AVFilterLink *inlink, AVFrame
*in)
goto fail;
}
- if (inlink->sample_aspect_ratio.num) {
+ if (ctx->reset_sar)
+ outlink->sample_aspect_ratio = (AVRational){1, 1};
+ else if (inlink->sample_aspect_ratio.num) {
outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h * inlink->w,
outlink->w * inlink->h}, inlink->sample_aspect_ratio);
} else
outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
@@ -274,6 +276,7 @@ int amf_init_filter_config(AVFilterLink *outlink, enum
AVPixelFormat *in_format)
enum AVPixelFormat out_sw_format = ctx->format;
FilterLink *inl = ff_filter_link(inlink);
FilterLink *outl = ff_filter_link(outlink);
+ double w_adj = 1.0;
if ((err = ff_scale_eval_dimensions(avctx,
ctx->w_expr, ctx->h_expr,
@@ -281,8 +284,11 @@ int amf_init_filter_config(AVFilterLink *outlink, enum
AVPixelFormat *in_format)
&ctx->width, &ctx->height)) < 0)
return err;
+ if (ctx->reset_sar)
+ w_adj = inlink->sample_aspect_ratio.num ? (double)
inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1.0;
+
ff_scale_adjust_dimensions(inlink, &ctx->width, &ctx->height,
- ctx->force_original_aspect_ratio,
ctx->force_divisible_by);
+ ctx->force_original_aspect_ratio,
ctx->force_divisible_by, w_adj);
av_buffer_unref(&ctx->amf_device_ref);
av_buffer_unref(&ctx->hwframes_in_ref);
diff --git a/libavfilter/vf_amf_common.h b/libavfilter/vf_amf_common.h
index c4b5ba659a..d0a0214978 100644
--- a/libavfilter/vf_amf_common.h
+++ b/libavfilter/vf_amf_common.h
@@ -48,6 +48,7 @@ typedef struct AMFFilterContext {
char *format_str;
int force_original_aspect_ratio;
int force_divisible_by;
+ int reset_sar;
AMFComponent *component;
AVBufferRef *amf_device_ref;
diff --git a/libavfilter/vf_vpp_amf.c b/libavfilter/vf_vpp_amf.c
index 87bd68074f..92923a4757 100644
--- a/libavfilter/vf_vpp_amf.c
+++ b/libavfilter/vf_vpp_amf.c
@@ -221,6 +221,7 @@ static const AVOption vpp_amf_options[] = {
{ "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 },
+ { "reset_sar", "reset SAR to 1 and scale to square pixels if scaling
proportionally", OFFSET(reset_sar), AV_OPT_TYPE_BOOL, { .i64 = 0}, 0, 1, FLAGS },
{ NULL },
};
