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avfilter/vf_scale_*: add enum names for force_oar magic values

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This commit is contained in:
Niklas Haas
2025-09-23 16:17:12 +02:00
committed by Niklas Haas
parent 74115b017c
commit 6ad839ff2e
10 changed files with 38 additions and 29 deletions
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6
libavfilter/scale_eval.c
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@@ -148,14 +148,14 @@ int ff_scale_adjust_dimensions(AVFilterLink *inlink,
/* Note that force_original_aspect_ratio may overwrite the previous set /* Note that force_original_aspect_ratio may overwrite the previous set
* dimensions so that it is not divisible by the set factors anymore * dimensions so that it is not divisible by the set factors anymore
* unless force_divisible_by is defined as well */ * unless force_divisible_by is defined as well */
if (force_original_aspect_ratio) { if (force_original_aspect_ratio != SCALE_FORCE_OAR_DISABLE) {
// Including force_divisible_by here rounds to the nearest multiple of it. // Including force_divisible_by here rounds to the nearest multiple of it.
int64_t tmp_w = av_rescale(h, inlink->w * w_adj, inlink->h * (int64_t)force_divisible_by) int64_t tmp_w = av_rescale(h, inlink->w * w_adj, inlink->h * (int64_t)force_divisible_by)
* force_divisible_by; * force_divisible_by;
int64_t tmp_h = av_rescale(w, inlink->h, inlink->w * w_adj * (int64_t)force_divisible_by) int64_t tmp_h = av_rescale(w, inlink->h, inlink->w * w_adj * (int64_t)force_divisible_by)
* force_divisible_by; * force_divisible_by;
if (force_original_aspect_ratio == 1) { if (force_original_aspect_ratio == SCALE_FORCE_OAR_DECREASE) {
w = FFMIN(tmp_w, w); w = FFMIN(tmp_w, w);
h = FFMIN(tmp_h, h); h = FFMIN(tmp_h, h);
if (force_divisible_by > 1) { if (force_divisible_by > 1) {
@@ -163,7 +163,7 @@ int ff_scale_adjust_dimensions(AVFilterLink *inlink,
w = w / force_divisible_by * force_divisible_by; w = w / force_divisible_by * force_divisible_by;
h = h / force_divisible_by * force_divisible_by; h = h / force_divisible_by * force_divisible_by;
} }
} else { } else { // SCALE_FORCE_OAR_INCREASE
w = FFMAX(tmp_w, w); w = FFMAX(tmp_w, w);
h = FFMAX(tmp_h, h); h = FFMAX(tmp_h, h);
if (force_divisible_by > 1) { if (force_divisible_by > 1) {

7
libavfilter/scale_eval.h
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@@ -21,6 +21,13 @@
#include "avfilter.h" #include "avfilter.h"
enum {
SCALE_FORCE_OAR_DISABLE,
SCALE_FORCE_OAR_DECREASE,
SCALE_FORCE_OAR_INCREASE,
SCALE_FORCE_OAR_NB,
};
/** /**
* Parse and evaluate string expressions for width and height. Upon success, * Parse and evaluate string expressions for width and height. Upon success,
* ff_scale_adjust_dimensions must be called with evaluated width and height * ff_scale_adjust_dimensions must be called with evaluated width and height

8
libavfilter/vf_libplacebo.c
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@@ -1532,10 +1532,10 @@ static const AVOption libplacebo_options[] = {
{ "pos_w", "Output video placement w", OFFSET(pos_w_expr), AV_OPT_TYPE_STRING, {.str = "ow"}, .flags = DYNAMIC }, { "pos_w", "Output video placement w", OFFSET(pos_w_expr), AV_OPT_TYPE_STRING, {.str = "ow"}, .flags = DYNAMIC },
{ "pos_h", "Output video placement h", OFFSET(pos_h_expr), AV_OPT_TYPE_STRING, {.str = "oh"}, .flags = DYNAMIC }, { "pos_h", "Output video placement h", OFFSET(pos_h_expr), AV_OPT_TYPE_STRING, {.str = "oh"}, .flags = DYNAMIC },
{ "format", "Output video format", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = STATIC }, { "format", "Output video format", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = STATIC },
{ "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, STATIC, .unit = "force_oar" }, { "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, SCALE_FORCE_OAR_NB-1, STATIC, .unit = "force_oar" },
{ "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, STATIC, .unit = "force_oar" }, { "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DISABLE }, 0, 0, STATIC, .unit = "force_oar" },
{ "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, STATIC, .unit = "force_oar" }, { "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DECREASE }, 0, 0, STATIC, .unit = "force_oar" },
{ "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, STATIC, .unit = "force_oar" }, { "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_INCREASE }, 0, 0, STATIC, .unit = "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, STATIC }, { "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, STATIC },
{ "reset_sar", "force SAR normalization to 1:1 by adjusting pos_x/y/w/h", OFFSET(reset_sar), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, STATIC }, { "reset_sar", "force SAR normalization to 1:1 by adjusting pos_x/y/w/h", OFFSET(reset_sar), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, STATIC },
{ "normalize_sar", "like reset_sar, but pad/crop instead of stretching the video", OFFSET(normalize_sar), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, STATIC }, { "normalize_sar", "like reset_sar, but pad/crop instead of stretching the video", OFFSET(normalize_sar), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, STATIC },

8
libavfilter/vf_scale.c
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@@ -1148,10 +1148,10 @@ static const AVOption scale_options[] = {
{ "in_h_chr_pos", "input horizontal chroma position in luma grid/256", OFFSET(in_h_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513}, -513, 512, FLAGS }, { "in_h_chr_pos", "input horizontal chroma position in luma grid/256", OFFSET(in_h_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513}, -513, 512, FLAGS },
{ "out_v_chr_pos", "output vertical chroma position in luma grid/256" , OFFSET(out_v_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513}, -513, 512, FLAGS }, { "out_v_chr_pos", "output vertical chroma position in luma grid/256" , OFFSET(out_v_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513}, -513, 512, FLAGS },
{ "out_h_chr_pos", "output horizontal chroma position in luma grid/256", OFFSET(out_h_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513}, -513, 512, FLAGS }, { "out_h_chr_pos", "output horizontal chroma position in luma grid/256", OFFSET(out_h_chr_pos), AV_OPT_TYPE_INT, { .i64 = -513}, -513, 512, FLAGS },
{ "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 2, FLAGS, .unit = "force_oar" }, { "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0}, 0, SCALE_FORCE_OAR_NB-1, FLAGS, .unit = "force_oar" },
{ "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, FLAGS, .unit = "force_oar" }, { "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DISABLE }, 0, 0, FLAGS, .unit = "force_oar" },
{ "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, FLAGS, .unit = "force_oar" }, { "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DECREASE }, 0, 0, FLAGS, .unit = "force_oar" },
{ "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, FLAGS, .unit = "force_oar" }, { "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_INCREASE }, 0, 0, FLAGS, .unit = "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 }, { "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 }, { "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 },
{ "param0", "Scaler param 0", OFFSET(param[0]), AV_OPT_TYPE_DOUBLE, { .dbl = DBL_MAX }, -DBL_MAX, DBL_MAX, FLAGS }, { "param0", "Scaler param 0", OFFSET(param[0]), AV_OPT_TYPE_DOUBLE, { .dbl = DBL_MAX }, -DBL_MAX, DBL_MAX, FLAGS },

8
libavfilter/vf_scale_cuda.c
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@@ -621,10 +621,10 @@ static const AVOption options[] = {
{ "format", "Output video pixel format", OFFSET(format), AV_OPT_TYPE_PIXEL_FMT, { .i64 = AV_PIX_FMT_NONE }, INT_MIN, INT_MAX, .flags=FLAGS }, { "format", "Output video pixel format", OFFSET(format), AV_OPT_TYPE_PIXEL_FMT, { .i64 = AV_PIX_FMT_NONE }, INT_MIN, INT_MAX, .flags=FLAGS },
{ "passthrough", "Do not process frames at all if parameters match", OFFSET(passthrough), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FLAGS }, { "passthrough", "Do not process frames at all if parameters match", OFFSET(passthrough), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FLAGS },
{ "param", "Algorithm-Specific parameter", OFFSET(param), AV_OPT_TYPE_FLOAT, { .dbl = SCALE_CUDA_PARAM_DEFAULT }, -FLT_MAX, FLT_MAX, FLAGS }, { "param", "Algorithm-Specific parameter", OFFSET(param), AV_OPT_TYPE_FLOAT, { .dbl = SCALE_CUDA_PARAM_DEFAULT }, -FLT_MAX, FLT_MAX, FLAGS },
{ "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, FLAGS, .unit = "force_oar" }, { "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, SCALE_FORCE_OAR_NB-1, FLAGS, .unit = "force_oar" },
{ "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, FLAGS, .unit = "force_oar" }, { "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DISABLE }, 0, 0, FLAGS, .unit = "force_oar" },
{ "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, FLAGS, .unit = "force_oar" }, { "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DECREASE }, 0, 0, FLAGS, .unit = "force_oar" },
{ "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, FLAGS, .unit = "force_oar" }, { "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_INCREASE }, 0, 0, FLAGS, .unit = "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 }, { "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 }, { "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 }, { NULL },

8
libavfilter/vf_scale_npp.c
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@@ -978,10 +978,10 @@ static const AVOption options[] = {
{ "cubic2p_b05c03", "2-parameter cubic (B=1/2, C=3/10)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_B05C03 }, 0, 0, FLAGS, .unit = "interp_algo" }, { "cubic2p_b05c03", "2-parameter cubic (B=1/2, C=3/10)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_B05C03 }, 0, 0, FLAGS, .unit = "interp_algo" },
{ "super", "supersampling", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_SUPER }, 0, 0, FLAGS, .unit = "interp_algo" }, { "super", "supersampling", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_SUPER }, 0, 0, FLAGS, .unit = "interp_algo" },
{ "lanczos", "Lanczos", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LANCZOS }, 0, 0, FLAGS, .unit = "interp_algo" }, { "lanczos", "Lanczos", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LANCZOS }, 0, 0, FLAGS, .unit = "interp_algo" },
{ "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, FLAGS, .unit = "force_oar" }, { "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, SCALE_FORCE_OAR_NB-1, FLAGS, .unit = "force_oar" },
{ "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, FLAGS, .unit = "force_oar" }, { "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DISABLE }, 0, 0, FLAGS, .unit = "force_oar" },
{ "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, FLAGS, .unit = "force_oar" }, { "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DECREASE }, 0, 0, FLAGS, .unit = "force_oar" },
{ "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, FLAGS, .unit = "force_oar" }, { "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_INCREASE }, 0, 0, FLAGS, .unit = "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 }, { "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 }, { "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 },
{ "eval", "specify when to evaluate expressions", OFFSET(eval_mode), AV_OPT_TYPE_INT, { .i64 = EVAL_MODE_INIT }, 0, EVAL_MODE_NB-1, FLAGS, .unit = "eval" }, { "eval", "specify when to evaluate expressions", OFFSET(eval_mode), AV_OPT_TYPE_INT, { .i64 = EVAL_MODE_INIT }, 0, EVAL_MODE_NB-1, FLAGS, .unit = "eval" },

8
libavfilter/vf_scale_vaapi.c
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@@ -277,10 +277,10 @@ static const AVOption scale_vaapi_options[] = {
{ "out_chroma_location", "Output chroma sample location", { "out_chroma_location", "Output chroma sample location",
OFFSET(chroma_location_string), AV_OPT_TYPE_STRING, OFFSET(chroma_location_string), AV_OPT_TYPE_STRING,
{ .str = NULL }, .flags = FLAGS }, { .str = NULL }, .flags = FLAGS },
{ "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 2, FLAGS, .unit = "force_oar" }, { "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0}, 0, SCALE_FORCE_OAR_NB-1, FLAGS, .unit = "force_oar" },
{ "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, FLAGS, .unit = "force_oar" }, { "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DISABLE }, 0, 0, FLAGS, .unit = "force_oar" },
{ "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, FLAGS, .unit = "force_oar" }, { "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DECREASE }, 0, 0, FLAGS, .unit = "force_oar" },
{ "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, FLAGS, .unit = "force_oar" }, { "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_INCREASE }, 0, 0, FLAGS, .unit = "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 }, { "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 }, { "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 },

3
libavfilter/vf_scale_vt.c
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@@ -248,7 +248,8 @@ static int scale_vt_config_output(AVFilterLink *outlink)
if (err < 0) if (err < 0)
return err; return err;
ff_scale_adjust_dimensions(inlink, &s->output_width, &s->output_height, 0, 1, 1.f); ff_scale_adjust_dimensions(inlink, &s->output_width, &s->output_height,
SCALE_FORCE_OAR_DISABLE, 1, 1.f);
outlink->w = s->output_width; outlink->w = s->output_width;
outlink->h = s->output_height; outlink->h = s->output_height;

3
libavfilter/vf_scale_vulkan.c
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@@ -389,7 +389,8 @@ static int scale_vulkan_config_output(AVFilterLink *outlink)
if (err < 0) if (err < 0)
return err; return err;
ff_scale_adjust_dimensions(inlink, &vkctx->output_width, &vkctx->output_height, 0, 1, 1.f); ff_scale_adjust_dimensions(inlink, &vkctx->output_width, &vkctx->output_height,
SCALE_FORCE_OAR_DISABLE, 1, 1.f);
outlink->w = vkctx->output_width; outlink->w = vkctx->output_width;
outlink->h = vkctx->output_height; outlink->h = vkctx->output_height;

8
libavfilter/vf_vpp_amf.c
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@@ -216,10 +216,10 @@ static const AVOption vpp_amf_options[] = {
{ "smpte428", "SMPTE428", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_COLOR_TRANSFER_CHARACTERISTIC_SMPTE428 }, 0, 0, FLAGS, "trc" }, { "smpte428", "SMPTE428", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_COLOR_TRANSFER_CHARACTERISTIC_SMPTE428 }, 0, 0, FLAGS, "trc" },
{ "arib-std-b67", "ARIB_STD_B67", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_COLOR_TRANSFER_CHARACTERISTIC_ARIB_STD_B67 }, 0, 0, FLAGS, "trc" }, { "arib-std-b67", "ARIB_STD_B67", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_COLOR_TRANSFER_CHARACTERISTIC_ARIB_STD_B67 }, 0, 0, FLAGS, "trc" },
{ "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 2, FLAGS, "force_oar" }, { "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0}, 0, SCALE_FORCE_OAR_NB-1, FLAGS, "force_oar" },
{ "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, FLAGS, "force_oar" }, { "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DISABLE }, 0, 0, FLAGS, "force_oar" },
{ "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, FLAGS, "force_oar" }, { "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_DECREASE }, 0, 0, FLAGS, "force_oar" },
{ "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, FLAGS, "force_oar" }, { "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_FORCE_OAR_INCREASE }, 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 }, { "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 }, { "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 },