/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/avassert.h"
#include "libavutil/eval.h"
#include "libavutil/fifo.h"
#include "libavutil/file.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "formats.h"
#include "internal.h"
#include "filters.h"
#include "video.h"
#include "vulkan_filter.h"
#include "scale_eval.h"
#include <libplacebo/renderer.h>
#include <libplacebo/utils/libav.h>
#include <libplacebo/utils/frame_queue.h>
#include <libplacebo/vulkan.h>
/* Backwards compatibility with older libplacebo */
#if PL_API_VER < 276
static inline AVFrame *pl_get_mapped_avframe(const struct pl_frame *frame)
{
return frame->user_data;
}
#endif
#if PL_API_VER >= 309
#include <libplacebo/options.h>
#else
typedef struct pl_options_t {
// Backwards compatibility shim of this struct
struct pl_render_params params;
struct pl_deband_params deband_params;
struct pl_sigmoid_params sigmoid_params;
struct pl_color_adjustment color_adjustment;
struct pl_peak_detect_params peak_detect_params;
struct pl_color_map_params color_map_params;
struct pl_dither_params dither_params;
struct pl_cone_params cone_params;
} *pl_options;
#define pl_options_alloc(log) av_mallocz(sizeof(struct pl_options_t))
#define pl_options_free(ptr) av_freep(ptr)
#endif
enum {
TONE_MAP_AUTO,
TONE_MAP_CLIP,
TONE_MAP_ST2094_40,
TONE_MAP_ST2094_10,
TONE_MAP_BT2390,
TONE_MAP_BT2446A,
TONE_MAP_SPLINE,
TONE_MAP_REINHARD,
TONE_MAP_MOBIUS,
TONE_MAP_HABLE,
TONE_MAP_GAMMA,
TONE_MAP_LINEAR,
TONE_MAP_COUNT,
};
enum {
GAMUT_MAP_CLIP,
GAMUT_MAP_PERCEPTUAL,
GAMUT_MAP_RELATIVE,
GAMUT_MAP_SATURATION,
GAMUT_MAP_ABSOLUTE,
GAMUT_MAP_DESATURATE,
GAMUT_MAP_DARKEN,
GAMUT_MAP_HIGHLIGHT,
GAMUT_MAP_LINEAR,
GAMUT_MAP_COUNT,
};
static const char *const var_names[] = {
"in_idx", "idx",///< index of input
"in_w", "iw", ///< width of the input video frame
"in_h", "ih", ///< height of the input video frame
"out_w", "ow", ///< width of the output video frame
"out_h", "oh", ///< height of the output video frame
"crop_w", "cw", ///< evaluated input crop width
"crop_h", "ch", ///< evaluated input crop height
"pos_w", "pw", ///< evaluated output placement width
"pos_h", "ph", ///< evaluated output placement height
"a", ///< iw/ih
"sar", ///< input pixel aspect ratio
"dar", ///< output pixel aspect ratio
"hsub", ///< input horizontal subsampling factor
"vsub", ///< input vertical subsampling factor
"ohsub", ///< output horizontal subsampling factor
"ovsub", ///< output vertical subsampling factor
"in_t", "t", ///< input frame pts
"out_t", "ot", ///< output frame pts
"n", ///< number of frame
NULL,
};
enum var_name {
VAR_IN_IDX, VAR_IDX,
VAR_IN_W, VAR_IW,
VAR_IN_H, VAR_IH,
VAR_OUT_W, VAR_OW,
VAR_OUT_H, VAR_OH,
VAR_CROP_W, VAR_CW,
VAR_CROP_H, VAR_CH,
VAR_POS_W, VAR_PW,
VAR_POS_H, VAR_PH,
VAR_A,
VAR_SAR,
VAR_DAR,
VAR_HSUB,
VAR_VSUB,
VAR_OHSUB,
VAR_OVSUB,
VAR_IN_T, VAR_T,
VAR_OUT_T, VAR_OT,
VAR_N,
VAR_VARS_NB
};
/* per-input dynamic filter state */
typedef struct LibplaceboInput {
int idx;
pl_renderer renderer;
pl_queue queue;
enum pl_queue_status qstatus;
struct pl_frame_mix mix; ///< temporary storage
AVFilterLink *link;
AVFifo *out_pts; ///< timestamps of wanted output frames
int64_t status_pts;
int status;
} LibplaceboInput;
typedef struct LibplaceboContext {
/* lavfi vulkan*/
FFVulkanContext vkctx;
/* libplacebo */
pl_log log;
pl_vulkan vulkan;
pl_gpu gpu;
pl_tex tex[4];
/* input state */
LibplaceboInput *inputs;
int nb_inputs;
int64_t status_pts; ///< tracks status of most recently used input
int status;
/* settings */
char *out_format_string;
enum AVPixelFormat out_format;
char *fillcolor;
double var_values[VAR_VARS_NB];
char *w_expr;
char *h_expr;
char *fps_string;
AVRational fps; ///< parsed FPS, or 0/0 for "none"
char *crop_x_expr, *crop_y_expr;
char *crop_w_expr, *crop_h_expr;
char *pos_x_expr, *pos_y_expr;
char *pos_w_expr, *pos_h_expr;
// Parsed expressions for input/output crop
AVExpr *crop_x_pexpr, *crop_y_pexpr, *crop_w_pexpr, *crop_h_pexpr;
AVExpr *pos_x_pexpr, *pos_y_pexpr, *pos_w_pexpr, *pos_h_pexpr;
float pad_crop_ratio;
float corner_rounding;
int force_original_aspect_ratio;
int force_divisible_by;
int normalize_sar;
int apply_filmgrain;
int apply_dovi;
int colorspace;
int color_range;
int color_primaries;
int color_trc;
AVDictionary *extra_opts;
/* pl_render_params */
pl_options opts;
char *upscaler;
char *downscaler;
char *frame_mixer;
int lut_entries;
float antiringing;
int sigmoid;
int skip_aa;
float polar_cutoff;
int disable_linear;
int disable_builtin;
int force_dither;
int disable_fbos;
/* pl_deband_params */
int deband;
int deband_iterations;
float deband_threshold;
float deband_radius;
float deband_grain;
/* pl_color_adjustment */
float brightness;
float contrast;
float saturation;
float hue;
float gamma;
/* pl_peak_detect_params */
int peakdetect;
float smoothing;
float min_peak;
float scene_low;
float scene_high;
float percentile;
/* pl_color_map_params */
int gamut_mode;
int tonemapping;
float tonemapping_param;
int inverse_tonemapping;
int tonemapping_lut_size;
float contrast_recovery;
float contrast_smoothness;
#if FF_API_LIBPLACEBO_OPTS
/* for backwards compatibility */
float desat_str;
float desat_exp;
int gamut_warning;
int gamut_clipping;
int force_icc_lut;
int intent;
int tonemapping_mode;
float crosstalk;
float overshoot;
float hybrid_mix;
#endif
/* pl_dither_params */
int dithering;
int dither_lut_size;
int dither_temporal;
/* pl_cone_params */
int cones;
float cone_str;
/* custom shaders */
char *shader_path;
void *shader_bin;
int shader_bin_len;
const struct pl_hook *hooks[2];
int num_hooks;
} LibplaceboContext;
static inline enum pl_log_level get_log_level(void)
{
int av_lev = av_log_get_level();
return av_lev >= AV_LOG_TRACE ? PL_LOG_TRACE :
av_lev >= AV_LOG_DEBUG ? PL_LOG_DEBUG :
av_lev >= AV_LOG_VERBOSE ? PL_LOG_INFO :
av_lev >= AV_LOG_WARNING ? PL_LOG_WARN :
av_lev >= AV_LOG_ERROR ? PL_LOG_ERR :
av_lev >= AV_LOG_FATAL ? PL_LOG_FATAL :
PL_LOG_NONE;
}
static void pl_av_log(void *log_ctx, enum pl_log_level level, const char *msg)
{
int av_lev;
switch (level) {
case PL_LOG_FATAL: av_lev = AV_LOG_FATAL; break;
case PL_LOG_ERR: av_lev = AV_LOG_ERROR; break;
case PL_LOG_WARN: av_lev = AV_LOG_WARNING; break;
case PL_LOG_INFO: av_lev = AV_LOG_VERBOSE; break;
case PL_LOG_DEBUG: av_lev = AV_LOG_DEBUG; break;
case PL_LOG_TRACE: av_lev = AV_LOG_TRACE; break;
default: return;
}
av_log(log_ctx, av_lev, "%s\n", msg);
}
static const struct pl_tone_map_function *get_tonemapping_func(int tm) {
switch (tm) {
case TONE_MAP_AUTO: return &pl_tone_map_auto;
case TONE_MAP_CLIP: return &pl_tone_map_clip;
#if PL_API_VER >= 246
case TONE_MAP_ST2094_40: return &pl_tone_map_st2094_40;
case TONE_MAP_ST2094_10: return &pl_tone_map_st2094_10;
#endif
case TONE_MAP_BT2390: return &pl_tone_map_bt2390;
case TONE_MAP_BT2446A: return &pl_tone_map_bt2446a;
case TONE_MAP_SPLINE: return &pl_tone_map_spline;
case TONE_MAP_REINHARD: return &pl_tone_map_reinhard;
case TONE_MAP_MOBIUS: return &pl_tone_map_mobius;
case TONE_MAP_HABLE: return &pl_tone_map_hable;
case TONE_MAP_GAMMA: return &pl_tone_map_gamma;
case TONE_MAP_LINEAR: return &pl_tone_map_linear;
default: av_assert0(0);
}
}
static void set_gamut_mode(struct pl_color_map_params *p, int gamut_mode)
{
switch (gamut_mode) {
#if PL_API_VER >= 269
case GAMUT_MAP_CLIP: p->gamut_mapping = &pl_gamut_map_clip; return;
case GAMUT_MAP_PERCEPTUAL: p->gamut_mapping = &pl_gamut_map_perceptual; return;
case GAMUT_MAP_RELATIVE: p->gamut_mapping = &pl_gamut_map_relative; return;
case GAMUT_MAP_SATURATION: p->gamut_mapping = &pl_gamut_map_saturation; return;
case GAMUT_MAP_ABSOLUTE: p->gamut_mapping = &pl_gamut_map_absolute; return;
case GAMUT_MAP_DESATURATE: p->gamut_mapping = &pl_gamut_map_desaturate; return;
case GAMUT_MAP_DARKEN: p->gamut_mapping = &pl_gamut_map_darken; return;
case GAMUT_MAP_HIGHLIGHT: p->gamut_mapping = &pl_gamut_map_highlight; return;
case GAMUT_MAP_LINEAR: p->gamut_mapping = &pl_gamut_map_linear; return;
#else
case GAMUT_MAP_RELATIVE: p->intent = PL_INTENT_RELATIVE_COLORIMETRIC; return;
case GAMUT_MAP_SATURATION: p->intent = PL_INTENT_SATURATION; return;
case GAMUT_MAP_ABSOLUTE: p->intent = PL_INTENT_ABSOLUTE_COLORIMETRIC; return;
case GAMUT_MAP_DESATURATE: p->gamut_mode = PL_GAMUT_DESATURATE; return;
case GAMUT_MAP_DARKEN: p->gamut_mode = PL_GAMUT_DARKEN; return;
case GAMUT_MAP_HIGHLIGHT: p->gamut_mode = PL_GAMUT_WARN; return;
/* Use defaults for all other cases */
default: return;
#endif
}
av_assert0(0);
};
static int find_scaler(AVFilterContext *avctx,
const struct pl_filter_config **opt,
const char *name, int frame_mixing)
{
const struct pl_filter_preset *preset, *presets_avail;
presets_avail = frame_mixing ? pl_frame_mixers : pl_scale_filters;
if (!strcmp(name, "help")) {
av_log(avctx, AV_LOG_INFO, "Available scaler presets:\n");
for (preset = presets_avail; preset->name; preset++)
av_log(avctx, AV_LOG_INFO, " %s\n", preset->name);
return AVERROR_EXIT;
}
for (preset = presets_avail; preset->name; preset++) {
if (!strcmp(name, preset->name)) {
*opt = preset->filter;
return 0;
}
}
av_log(avctx, AV_LOG_ERROR, "No such scaler preset '%s'.\n", name);
return AVERROR(EINVAL);
}
static int update_settings(AVFilterContext *ctx)
{
int err = 0;
LibplaceboContext *s = ctx->priv;
AVDictionaryEntry *e = NULL;
pl_options opts = s->opts;
int gamut_mode = s->gamut_mode;
uint8_t color_rgba[4];
#if FF_API_LIBPLACEBO_OPTS
float hybrid_mix = s->hybrid_mix;
/* backwards compatibility with older API */
switch (s->tonemapping_mode) {
case 0: /*PL_TONE_MAP_AUTO*/
if (s->desat_str >= 0.0f)
hybrid_mix = s->desat_str;
break;
case 1: /*PL_TONE_MAP_RGB*/ hybrid_mix = 1.0f; break;
case 2: /*PL_TONE_MAP_HYBRID*/ hybrid_mix = 0.2f; break;
case 3: /*PL_TONE_MAP_LUMA*/ hybrid_mix = 0.0f; break;
case 4: /*PL_TONE_MAP_MAX*/ hybrid_mix = 0.0f; break;
}
switch (s->intent) {
case PL_INTENT_SATURATION: gamut_mode = GAMUT_MAP_SATURATION; break;
case PL_INTENT_RELATIVE_COLORIMETRIC: gamut_mode = GAMUT_MAP_RELATIVE; break;
case PL_INTENT_ABSOLUTE_COLORIMETRIC: gamut_mode = GAMUT_MAP_ABSOLUTE; break;
}
if (s->gamut_warning)
gamut_mode = GAMUT_MAP_HIGHLIGHT;
if (s->gamut_clipping)
gamut_mode = GAMUT_MAP_DESATURATE;
#endif
RET(av_parse_color(color_rgba, s->fillcolor, -1, s));
opts->deband_params = *pl_deband_params(
.iterations = s->deband_iterations,
.threshold = s->deband_threshold,
.radius = s->deband_radius,
.grain = s->deband_grain,
);
opts->sigmoid_params = pl_sigmoid_default_params;
opts->color_adjustment = (struct pl_color_adjustment) {
.brightness = s->brightness,
.contrast = s->contrast,
.saturation = s->saturation,
.hue = s->hue,
.gamma = s->gamma,
};
opts->peak_detect_params = *pl_peak_detect_params(
.smoothing_period = s->smoothing,
.minimum_peak = s->min_peak,
.scene_threshold_low = s->scene_low,
.scene_threshold_high = s->scene_high,
#if PL_API_VER >= 263
.percentile = s->percentile,
#endif
#if FF_API_LIBPLACEBO_OPTS && PL_API_VER < 256
.overshoot_margin = s->overshoot,
#endif
);
opts->color_map_params = *pl_color_map_params(
#if FF_API_LIBPLACEBO_OPTS
# if PL_API_VER >= 269
.hybrid_mix = hybrid_mix,
# else
.tone_mapping_mode = s->tonemapping_mode,
.tone_mapping_crosstalk = s->crosstalk,
# endif
#endif
.tone_mapping_function = get_tonemapping_func(s->tonemapping),
.tone_mapping_param = s->tonemapping_param,
.inverse_tone_mapping = s->inverse_tonemapping,
.lut_size = s->tonemapping_lut_size,
#if PL_API_VER >= 285
.contrast_recovery = s->contrast_recovery,
.contrast_smoothness = s->contrast_smoothness,
#endif
);
set_gamut_mode(&opts->color_map_params, gamut_mode);
opts->dither_params = *pl_dither_params(
.method = s->dithering,
.lut_size = s->dither_lut_size,
.temporal = s->dither_temporal,
);
opts->cone_params = *pl_cone_params(
.cones = s->cones,
.strength = s->cone_str,
);
opts->params = *pl_render_params(
.lut_entries = s->lut_entries,
.antiringing_strength = s->antiringing,
.background_transparency = 1.0f - (float) color_rgba[3] / UINT8_MAX,
.background_color = {
(float) color_rgba[0] / UINT8_MAX,
(float) color_rgba[1] / UINT8_MAX,
(float) color_rgba[2] / UINT8_MAX,
},
#if PL_API_VER >= 277
.corner_rounding = s->corner_rounding,
#endif
.deband_params = s->deband ? &opts->deband_params : NULL,
.sigmoid_params = s->sigmoid ? &opts->sigmoid_params : NULL,
.color_adjustment = &opts->color_adjustment,
.peak_detect_params = s->peakdetect ? &opts->peak_detect_params : NULL,
.color_map_params = &opts->color_map_params,
.dither_params = s->dithering >= 0 ? &opts->dither_params : NULL,
.cone_params = s->cones ? &opts->cone_params : NULL,
.hooks = s->hooks,
.num_hooks = s->num_hooks,
.skip_anti_aliasing = s->skip_aa,
.polar_cutoff = s->polar_cutoff,
.disable_linear_scaling = s->disable_linear,
.disable_builtin_scalers = s->disable_builtin,
.force_dither = s->force_dither,
.disable_fbos = s->disable_fbos,
);
RET(find_scaler(ctx, &opts->params.upscaler, s->upscaler, 0));
RET(find_scaler(ctx, &opts->params.downscaler, s->downscaler, 0));
RET(find_scaler(ctx, &opts->params.frame_mixer, s->frame_mixer, 1));
#if PL_API_VER >= 309
while ((e = av_dict_get(s->extra_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
if (!pl_options_set_str(s->opts, e->key, e->value)) {
err = AVERROR(EINVAL);
goto fail;
}
}
#else
(void) e;
if (av_dict_count(s->extra_opts) > 0)
av_log(s, AV_LOG_WARNING, "extra_opts requires libplacebo >= 6.309!\n");
#endif
return 0;
fail:
return err;
}
static int parse_shader(AVFilterContext *avctx, const void *shader, size_t len)
{
LibplaceboContext *s = avctx->priv;
const struct pl_hook *hook;
hook = pl_mpv_user_shader_parse(s->gpu, shader, len);
if (!hook) {
av_log(s, AV_LOG_ERROR, "Failed parsing custom shader!\n");
return AVERROR(EINVAL);
}
s->hooks[s->num_hooks++] = hook;
return update_settings(avctx);
}
static void libplacebo_uninit(AVFilterContext *avctx);
static int libplacebo_config_input(AVFilterLink *inlink);
static int libplacebo_init(AVFilterContext *avctx)
{
int err = 0;
LibplaceboContext *s = avctx->priv;
/* Create libplacebo log context */
s->log = pl_log_create(PL_API_VER, pl_log_params(
.log_level = get_log_level(),
.log_cb = pl_av_log,
.log_priv = s,
));
if (!s->log)
return AVERROR(ENOMEM);
s->opts = pl_options_alloc(s->log);
if (!s->opts) {
libplacebo_uninit(avctx);
return AVERROR(ENOMEM);
}
if (s->out_format_string) {
s->out_format = av_get_pix_fmt(s->out_format_string);
if (s->out_format == AV_PIX_FMT_NONE) {
av_log(avctx, AV_LOG_ERROR, "Invalid output format: %s\n",
s->out_format_string);
libplacebo_uninit(avctx);
return AVERROR(EINVAL);
}
} else {
s->out_format = AV_PIX_FMT_NONE;
}
for (int i = 0; i < s->nb_inputs; i++) {
AVFilterPad pad = {
.name = av_asprintf("input%d", i),
.type = AVMEDIA_TYPE_VIDEO,
.config_props = &libplacebo_config_input,
};
if (!pad.name)
return AVERROR(ENOMEM);
RET(ff_append_inpad_free_name(avctx, &pad));
}
RET(update_settings(avctx));
RET(av_expr_parse(&s->crop_x_pexpr, s->crop_x_expr, var_names,
NULL, NULL, NULL, NULL, 0, s));
RET(av_expr_parse(&s->crop_y_pexpr, s->crop_y_expr, var_names,
NULL, NULL, NULL, NULL, 0, s));
RET(av_expr_parse(&s->crop_w_pexpr, s->crop_w_expr, var_names,
NULL, NULL, NULL, NULL, 0, s));
RET(av_expr_parse(&s->crop_h_pexpr, s->crop_h_expr, var_names,
NULL, NULL, NULL, NULL, 0, s));
RET(av_expr_parse(&s->pos_x_pexpr, s->pos_x_expr, var_names,
NULL, NULL, NULL, NULL, 0, s));
RET(av_expr_parse(&s->pos_y_pexpr, s->pos_y_expr, var_names,
NULL, NULL, NULL, NULL, 0, s));
RET(av_expr_parse(&s->pos_w_pexpr, s->pos_w_expr, var_names,
NULL, NULL, NULL, NULL, 0, s));
RET(av_expr_parse(&s->pos_h_pexpr, s->pos_h_expr, var_names,
NULL, NULL, NULL, NULL, 0, s));
if (strcmp(s->fps_string, "none") != 0)
RET(av_parse_video_rate(&s->fps, s->fps_string));
/* Note: s->vulkan etc. are initialized later, when hwctx is available */
return 0;
fail:
return err;
}
#if PL_API_VER >= 278
static void lock_queue(void *priv, uint32_t qf, uint32_t qidx)
{
AVHWDeviceContext *avhwctx = priv;
const AVVulkanDeviceContext *hwctx = avhwctx->hwctx;
hwctx->lock_queue(avhwctx, qf, qidx);
}
static void unlock_queue(void *priv, uint32_t qf, uint32_t qidx)
{
AVHWDeviceContext *avhwctx = priv;
const AVVulkanDeviceContext *hwctx = avhwctx->hwctx;
hwctx->unlock_queue(avhwctx, qf, qidx);
}
#endif
static int input_init(AVFilterContext *avctx, AVFilterLink *link,
LibplaceboInput *input, int idx)
{
LibplaceboContext *s = avctx->priv;
input->out_pts = av_fifo_alloc2(1, sizeof(int64_t), AV_FIFO_FLAG_AUTO_GROW);
if (!input->out_pts)
return AVERROR(ENOMEM);
input->queue = pl_queue_create(s->gpu);
input->renderer = pl_renderer_create(s->log, s->gpu);
input->link = link;
input->idx = idx;
return 0;
}
static void input_uninit(LibplaceboInput *input)
{
pl_renderer_destroy(&input->renderer);
pl_queue_destroy(&input->queue);
av_fifo_freep2(&input->out_pts);
}
static int init_vulkan(AVFilterContext *avctx, const AVVulkanDeviceContext *hwctx)
{
int err = 0;
LibplaceboContext *s = avctx->priv;
uint8_t *buf = NULL;
size_t buf_len;
if (hwctx) {
#if PL_API_VER >= 278
/* Import libavfilter vulkan context into libplacebo */
s->vulkan = pl_vulkan_import(s->log, pl_vulkan_import_params(
.instance = hwctx->inst,
.get_proc_addr = hwctx->get_proc_addr,
.phys_device = hwctx->phys_dev,
.device = hwctx->act_dev,
.extensions = hwctx->enabled_dev_extensions,
.num_extensions = hwctx->nb_enabled_dev_extensions,
.features = &hwctx->device_features,
.lock_queue = lock_queue,
.unlock_queue = unlock_queue,
.queue_ctx = avctx->hw_device_ctx->data,
.queue_graphics = {
.index = hwctx->queue_family_index,
.count = hwctx->nb_graphics_queues,
},
.queue_compute = {
.index = hwctx->queue_family_comp_index,
.count = hwctx->nb_comp_queues,
},
.queue_transfer = {
.index = hwctx->queue_family_tx_index,
.count = hwctx->nb_tx_queues,
},
/* This is the highest version created by hwcontext_vulkan.c */
.max_api_version = VK_API_VERSION_1_3,
));
#else
av_log(s, AV_LOG_ERROR, "libplacebo version %s too old to import "
"Vulkan device, remove it or upgrade libplacebo to >= 5.278\n",
PL_VERSION);
err = AVERROR_EXTERNAL;
goto fail;
#endif
} else {
s->vulkan = pl_vulkan_create(s->log, pl_vulkan_params(
.queue_count = 0, /* enable all queues for parallelization */
));
}
if (!s->vulkan) {
av_log(s, AV_LOG_ERROR, "Failed %s Vulkan device!\n",
hwctx ? "importing" : "creating");
err = AVERROR_EXTERNAL;
goto fail;
}
s->gpu = s->vulkan->gpu;
/* Parse the user shaders, if requested */
if (s->shader_bin_len)
RET(parse_shader(avctx, s->shader_bin, s->shader_bin_len));
if (s->shader_path && s->shader_path[0]) {
RET(av_file_map(s->shader_path, &buf, &buf_len, 0, s));
RET(parse_shader(avctx, buf, buf_len));
}
/* Initialize inputs */
s->inputs = av_calloc(s->nb_inputs, sizeof(*s->inputs));
if (!s->inputs)
return AVERROR(ENOMEM);
for (int i = 0; i < s->nb_inputs; i++)
RET(input_init(avctx, avctx->inputs[i], &s->inputs[i], i));
/* fall through */
fail:
if (buf)
av_file_unmap(buf, buf_len);
return err;
}
static void libplacebo_uninit(AVFilterContext *avctx)
{
LibplaceboContext *s = avctx->priv;
for (int i = 0; i < FF_ARRAY_ELEMS(s->tex); i++)
pl_tex_destroy(s->gpu, &s->tex[i]);
for (int i = 0; i < s->num_hooks; i++)
pl_mpv_user_shader_destroy(&s->hooks[i]);
if (s->inputs) {
for (int i = 0; i < s->nb_inputs; i++)
input_uninit(&s->inputs[i]);
av_freep(&s->inputs);
}
pl_options_free(&s->opts);
pl_vulkan_destroy(&s->vulkan);
pl_log_destroy(&s->log);
ff_vk_uninit(&s->vkctx);
s->gpu = NULL;
av_expr_free(s->crop_x_pexpr);
av_expr_free(s->crop_y_pexpr);
av_expr_free(s->crop_w_pexpr);
av_expr_free(s->crop_h_pexpr);
av_expr_free(s->pos_x_pexpr);
av_expr_free(s->pos_y_pexpr);
av_expr_free(s->pos_w_pexpr);
av_expr_free(s->pos_h_pexpr);
}
static int libplacebo_process_command(AVFilterContext *ctx, const char *cmd,
const char *arg, char *res, int res_len,
int flags)
{
int err = 0;
RET(ff_filter_process_command(ctx, cmd, arg, res, res_len, flags));
RET(update_settings(ctx));
return 0;
fail:
return err;
}
static const AVFrame *ref_frame(const struct pl_frame_mix *mix)
{
for (int i = 0; i < mix->num_frames; i++) {
if (i+1 == mix->num_frames || mix->timestamps[i+1] > 0)
return pl_get_mapped_avframe(mix->frames[i]);
}
return NULL;
}
static void update_crops(AVFilterContext *ctx, LibplaceboInput *in,
struct pl_frame *target, double target_pts)
{
LibplaceboContext *s = ctx->priv;
const AVFrame *ref = ref_frame(&in->mix);
for (int i = 0; i < in->mix.num_frames; i++) {
// Mutate the `pl_frame.crop` fields in-place. This is fine because we
// own the entire pl_queue, and hence, the pointed-at frames.
struct pl_frame *image = (struct pl_frame *) in->mix.frames[i];
const AVFrame *src = pl_get_mapped_avframe(image);
double image_pts = src->pts * av_q2d(in->link->time_base);
/* Update dynamic variables */
s->var_values[VAR_IN_IDX] = s->var_values[VAR_IDX] = in->idx;
s->var_values[VAR_IN_W] = s->var_values[VAR_IW] = in->link->w;
s->var_values[VAR_IN_H] = s->var_values[VAR_IH] = in->link->h;
s->var_values[VAR_A] = (double) in->link->w / in->link->h;
s->var_values[VAR_SAR] = in->link->sample_aspect_ratio.num ?
av_q2d(in->link->sample_aspect_ratio) : 1.0;
s->var_values[VAR_IN_T] = s->var_values[VAR_T] = image_pts;
s->var_values[VAR_OUT_T] = s->var_values[VAR_OT] = target_pts;
s->var_values[VAR_N] = ctx->outputs[0]->frame_count_out;
/* Clear these explicitly to avoid leaking previous frames' state */
s->var_values[VAR_CROP_W] = s->var_values[VAR_CW] = NAN;
s->var_values[VAR_CROP_H] = s->var_values[VAR_CH] = NAN;
s->var_values[VAR_POS_W] = s->var_values[VAR_PW] = NAN;
s->var_values[VAR_POS_H] = s->var_values[VAR_PH] = NAN;
/* Compute dimensions first and placement second */
s->var_values[VAR_CROP_W] = s->var_values[VAR_CW] =
av_expr_eval(s->crop_w_pexpr, s->var_values, NULL);
s->var_values[VAR_CROP_H] = s->var_values[VAR_CH] =
av_expr_eval(s->crop_h_pexpr, s->var_values, NULL);
s->var_values[VAR_CROP_W] = s->var_values[VAR_CW] =
av_expr_eval(s->crop_w_pexpr, s->var_values, NULL);
s->var_values[VAR_POS_W] = s->var_values[VAR_PW] =
av_expr_eval(s->pos_w_pexpr, s->var_values, NULL);
s->var_values[VAR_POS_H] = s->var_values[VAR_PH] =
av_expr_eval(s->pos_h_pexpr, s->var_values, NULL);
s->var_values[VAR_POS_W] = s->var_values[VAR_PW] =
av_expr_eval(s->pos_w_pexpr, s->var_values, NULL);
image->crop.x0 = av_expr_eval(s->crop_x_pexpr, s->var_values, NULL);
image->crop.y0 = av_expr_eval(s->crop_y_pexpr, s->var_values, NULL);
image->crop.x1 = image->crop.x0 + s->var_values[VAR_CROP_W];
image->crop.y1 = image->crop.y0 + s->var_values[VAR_CROP_H];
if (src == ref) {
/* Only update the target crop once, for the 'reference' frame */
target->crop.x0 = av_expr_eval(s->pos_x_pexpr, s->var_values, NULL);
target->crop.y0 = av_expr_eval(s->pos_y_pexpr, s->var_values, NULL);
target->crop.x1 = target->crop.x0 + s->var_values[VAR_POS_W];
target->crop.y1 = target->crop.y0 + s->var_values[VAR_POS_H];
if (s->normalize_sar) {
float aspect = pl_rect2df_aspect(&image->crop);
aspect *= av_q2d(in->link->sample_aspect_ratio);
pl_rect2df_aspect_set(&target->crop, aspect, s->pad_crop_ratio);
}
}
}
}
/* Construct and emit an output frame for a given timestamp */
static int output_frame(AVFilterContext *ctx, int64_t pts)
{
int err = 0, ok, changed_csp;
LibplaceboContext *s = ctx->priv;
pl_options opts = s->opts;
AVFilterLink *outlink = ctx->outputs[0];
const AVPixFmtDescriptor *outdesc = av_pix_fmt_desc_get(outlink->format);
struct pl_frame target;
const AVFrame *ref = NULL;
AVFrame *out;
/* Use the first active input as metadata reference */
for (int i = 0; i < s->nb_inputs; i++) {
const LibplaceboInput *in = &s->inputs[i];
if (in->qstatus == PL_QUEUE_OK && (ref = ref_frame(&in->mix)))
break;
}
if (!ref)
return 0;
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out)
return AVERROR(ENOMEM);
RET(av_frame_copy_props(out, ref));
out->pts = pts;
out->width = outlink->w;
out->height = outlink->h;
if (s->fps.num)
out->duration = 1;
if (s->apply_dovi && av_frame_get_side_data(ref, AV_FRAME_DATA_DOVI_METADATA)) {
/* Output of dovi reshaping is always BT.2020+PQ, so infer the correct
* output colorspace defaults */
out->colorspace = AVCOL_SPC_BT2020_NCL;
out->color_primaries = AVCOL_PRI_BT2020;
out->color_trc = AVCOL_TRC_SMPTE2084;
}
if (s->colorspace >= 0)
out->colorspace = s->colorspace;
if (s->color_range >= 0)
out->color_range = s->color_range;
if (s->color_trc >= 0)
out->color_trc = s->color_trc;
if (s->color_primaries >= 0)
out->color_primaries = s->color_primaries;
/* Sanity colorspace overrides */
if (outdesc->flags & AV_PIX_FMT_FLAG_RGB) {
out->colorspace = AVCOL_SPC_RGB;
} else if (out->colorspace == AVCOL_SPC_RGB) {
out->colorspace = AVCOL_SPC_UNSPECIFIED;
}
changed_csp = ref->colorspace != out->colorspace ||
ref->color_range != out->color_range ||
ref->color_trc != out->color_trc ||
ref->color_primaries != out->color_primaries;
/* Strip side data if no longer relevant */
if (changed_csp) {
av_frame_remove_side_data(out, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
av_frame_remove_side_data(out, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
av_frame_remove_side_data(out, AV_FRAME_DATA_ICC_PROFILE);
}
if (s->apply_dovi || changed_csp) {
av_frame_remove_side_data(out, AV_FRAME_DATA_DOVI_RPU_BUFFER);
av_frame_remove_side_data(out, AV_FRAME_DATA_DOVI_METADATA);
}
if (s->apply_filmgrain)
av_frame_remove_side_data(out, AV_FRAME_DATA_FILM_GRAIN_PARAMS);
/* Map, render and unmap output frame */
if (outdesc->flags & AV_PIX_FMT_FLAG_HWACCEL) {
ok = pl_map_avframe_ex(s->gpu, &target, pl_avframe_params(
.frame = out,
.map_dovi = false,
));
} else {
ok = pl_frame_recreate_from_avframe(s->gpu, &target, s->tex, out);
}
if (!ok) {
err = AVERROR_EXTERNAL;
goto fail;
}
/* Draw first frame opaque, others with blending */
opts->params.skip_target_clearing = false;
opts->params.blend_params = NULL;
for (int i = 0; i < s->nb_inputs; i++) {
LibplaceboInput *in = &s->inputs[i];
int high_fps = av_cmp_q(in->link->frame_rate, outlink->frame_rate) >= 0;
if (in->qstatus != PL_QUEUE_OK)
continue;
opts->params.skip_caching_single_frame = high_fps;
update_crops(ctx, in, &target, out->pts * av_q2d(outlink->time_base));
pl_render_image_mix(in->renderer, &in->mix, &target, &opts->params);
opts->params.skip_target_clearing = true;
opts->params.blend_params = &pl_alpha_overlay;
}
if (outdesc->flags & AV_PIX_FMT_FLAG_HWACCEL) {
pl_unmap_avframe(s->gpu, &target);
} else if (!pl_download_avframe(s->gpu, &target, out)) {
err = AVERROR_EXTERNAL;
goto fail;
}
return ff_filter_frame(outlink, out);
fail:
av_frame_free(&out);
return err;
}
static bool map_frame(pl_gpu gpu, pl_tex *tex,
const struct pl_source_frame *src,
struct pl_frame *out)
{
AVFrame *avframe = src->frame_data;
LibplaceboContext *s = avframe->opaque;
bool ok = pl_map_avframe_ex(gpu, out, pl_avframe_params(
.frame = avframe,
.tex = tex,
.map_dovi = s->apply_dovi,
));
if (!s->apply_filmgrain)
out->film_grain.type = PL_FILM_GRAIN_NONE;
av_frame_free(&avframe);
return ok;
}
static void unmap_frame(pl_gpu gpu, struct pl_frame *frame,
const struct pl_source_frame *src)
{
pl_unmap_avframe(gpu, frame);
}
static void discard_frame(const struct pl_source_frame *src)
{
AVFrame *avframe = src->frame_data;
av_frame_free(&avframe);
}
static int handle_input(AVFilterContext *ctx, LibplaceboInput *input)
{
int ret, status;
LibplaceboContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
AVFrame *in;
int64_t pts;
while ((ret = ff_inlink_consume_frame(input->link, &in)) > 0) {
in->opaque = s;
pl_queue_push(input->queue, &(struct pl_source_frame) {
.pts = in->pts * av_q2d(input->link->time_base),
.duration = in->duration * av_q2d(input->link->time_base),
.first_field = pl_field_from_avframe(in),
.frame_data = in,
.map = map_frame,
.unmap = unmap_frame,
.discard = discard_frame,
});
if (!s->fps.num) {
/* Internally queue an output frame for the same PTS */
pts = av_rescale_q(in->pts, input->link->time_base, outlink->time_base);
av_fifo_write(input->out_pts, &pts, 1);
}
}
if (ret < 0)
return ret;
if (!input->status && ff_inlink_acknowledge_status(input->link, &status, &pts)) {
pts = av_rescale_q_rnd(pts, input->link->time_base, outlink->time_base,
AV_ROUND_UP);
pl_queue_push(input->queue, NULL); /* Signal EOF to pl_queue */
input->status = status;
input->status_pts = pts;
if (!s->status || pts >= s->status_pts) {
/* Also propagate to output unless overwritten by later status change */
s->status = status;
s->status_pts = pts;
}
}
return 0;
}
static void drain_input_pts(LibplaceboInput *in, int64_t until)
{
int64_t pts;
while (av_fifo_peek(in->out_pts, &pts, 1, 0) >= 0 && pts <= until)
av_fifo_drain2(in->out_pts, 1);
}
static int libplacebo_activate(AVFilterContext *ctx)
{
int ret, ok = 0, retry = 0;
LibplaceboContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
int64_t pts, out_pts;
FF_FILTER_FORWARD_STATUS_BACK_ALL(outlink, ctx);
pl_log_level_update(s->log, get_log_level());
for (int i = 0; i < s->nb_inputs; i++) {
if ((ret = handle_input(ctx, &s->inputs[i])) < 0)
return ret;
}
if (ff_outlink_frame_wanted(outlink)) {
if (s->fps.num) {
out_pts = outlink->frame_count_out;
} else {
/* Determine the PTS of the next frame from any active input */
out_pts = INT64_MAX;
for (int i = 0; i < s->nb_inputs; i++) {
LibplaceboInput *in = &s->inputs[i];
if (av_fifo_peek(in->out_pts, &pts, 1, 0) >= 0) {
out_pts = FFMIN(out_pts, pts);
} else if (!in->status) {
ff_inlink_request_frame(in->link);
retry = true;
}
}
if (retry) /* some inputs are incomplete */
return 0;
}
/* Update all input queues to the chosen out_pts */
for (int i = 0; i < s->nb_inputs; i++) {
LibplaceboInput *in = &s->inputs[i];
if (in->status && out_pts >= in->status_pts) {
in->qstatus = PL_QUEUE_EOF;
continue;
}
in->qstatus = pl_queue_update(in->queue, &in->mix, pl_queue_params(
.pts = out_pts * av_q2d(outlink->time_base),
.radius = pl_frame_mix_radius(&s->opts->params),
.vsync_duration = av_q2d(av_inv_q(outlink->frame_rate)),
));
switch (in->qstatus) {
case PL_QUEUE_MORE:
ff_inlink_request_frame(in->link);
retry = true;
break;
case PL_QUEUE_OK:
ok = true;
break;
case PL_QUEUE_ERR:
return AVERROR_EXTERNAL;
}
}
if (retry) {
return 0;
} else if (ok) {
/* Got any valid frame mixes, drain PTS queue and render output */
for (int i = 0; i < s->nb_inputs; i++)
drain_input_pts(&s->inputs[i], out_pts);
return output_frame(ctx, out_pts);
} else if (s->status) {
ff_outlink_set_status(outlink, s->status, s->status_pts);
return 0;
}
return AVERROR_BUG;
}
return FFERROR_NOT_READY;
}
static int libplacebo_query_format(AVFilterContext *ctx)
{
int err;
LibplaceboContext *s = ctx->priv;
const AVVulkanDeviceContext *vkhwctx = NULL;
const AVPixFmtDescriptor *desc = NULL;
AVFilterFormats *infmts = NULL, *outfmts = NULL;
if (ctx->hw_device_ctx) {
const AVHWDeviceContext *avhwctx = (void *) ctx->hw_device_ctx->data;
if (avhwctx->type == AV_HWDEVICE_TYPE_VULKAN)
vkhwctx = avhwctx->hwctx;
}
RET(init_vulkan(ctx, vkhwctx));
while ((desc = av_pix_fmt_desc_next(desc))) {
enum AVPixelFormat pixfmt = av_pix_fmt_desc_get_id(desc);
#if PL_API_VER < 232
// Older libplacebo can't handle >64-bit pixel formats, so safe-guard
// this to prevent triggering an assertion
if (av_get_bits_per_pixel(desc) > 64)
continue;
#endif
if (pixfmt == AV_PIX_FMT_VULKAN) {
if (!vkhwctx || vkhwctx->act_dev != s->vulkan->device)
continue;
}
if (!pl_test_pixfmt(s->gpu, pixfmt))
continue;
RET(ff_add_format(&infmts, pixfmt));
/* Filter for supported output pixel formats */
if (desc->flags & AV_PIX_FMT_FLAG_BE)
continue; /* BE formats are not supported by pl_download_avframe */
/* Mask based on user specified format */
if (s->out_format != AV_PIX_FMT_NONE) {
if (pixfmt == AV_PIX_FMT_VULKAN && av_vkfmt_from_pixfmt(s->out_format)) {
/* OK */
} else if (pixfmt == s->out_format) {
/* OK */
} else {
continue; /* Not OK */
}
}
#if PL_API_VER >= 293
if (!pl_test_pixfmt_caps(s->gpu, pixfmt, PL_FMT_CAP_RENDERABLE))
continue;
#endif
RET(ff_add_format(&outfmts, pixfmt));
}
if (!infmts || !outfmts) {
if (s->out_format) {
av_log(s, AV_LOG_ERROR, "Invalid output format '%s'!\n",
av_get_pix_fmt_name(s->out_format));
}
err = AVERROR(EINVAL);
goto fail;
}
for (int i = 0; i < s->nb_inputs; i++)
RET(ff_formats_ref(infmts, &ctx->inputs[i]->outcfg.formats));
RET(ff_formats_ref(outfmts, &ctx->outputs[0]->incfg.formats));
return 0;
fail:
if (infmts && !infmts->refcount)
ff_formats_unref(&infmts);
if (outfmts && !outfmts->refcount)
ff_formats_unref(&outfmts);
return err;
}
static int libplacebo_config_input(AVFilterLink *inlink)
{
AVFilterContext *avctx = inlink->dst;
LibplaceboContext *s = avctx->priv;
if (inlink->format == AV_PIX_FMT_VULKAN)
return ff_vk_filter_config_input(inlink);
/* Forward this to the vkctx for format selection */
s->vkctx.input_format = inlink->format;
return 0;
}
static inline AVRational max_q(AVRational a, AVRational b)
{
return av_cmp_q(a, b) < 0 ? b : a;
}
static int libplacebo_config_output(AVFilterLink *outlink)
{
int err;
AVFilterContext *avctx = outlink->src;
LibplaceboContext *s = avctx->priv;
AVFilterLink *inlink = outlink->src->inputs[0];
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
const AVPixFmtDescriptor *out_desc = av_pix_fmt_desc_get(outlink->format);
AVHWFramesContext *hwfc;
AVVulkanFramesContext *vkfc;
/* Frame dimensions */
RET(ff_scale_eval_dimensions(s, s->w_expr, s->h_expr, inlink, outlink,
&outlink->w, &outlink->h));
ff_scale_adjust_dimensions(inlink, &outlink->w, &outlink->h,
s->force_original_aspect_ratio,
s->force_divisible_by);
if (s->normalize_sar || s->nb_inputs > 1) {
/* SAR is normalized, or we have multiple inputs, set out to 1:1 */
outlink->sample_aspect_ratio = (AVRational){ 1, 1 };
} else {
/* This is consistent with other scale_* filters, which only
* set the outlink SAR to be equal to the scale SAR iff the input SAR
* was set to something nonzero */
if (inlink->sample_aspect_ratio.num)
outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
}
/* Frame rate */
if (s->fps.num) {
outlink->frame_rate = s->fps;
outlink->time_base = av_inv_q(s->fps);
} else {
outlink->frame_rate = avctx->inputs[0]->frame_rate;
outlink->time_base = avctx->inputs[0]->time_base;
for (int i = 1; i < s->nb_inputs; i++) {
outlink->frame_rate = max_q(outlink->frame_rate,
avctx->inputs[i]->frame_rate);
outlink->time_base = av_gcd_q(outlink->time_base,
avctx->inputs[i]->time_base,
AV_TIME_BASE / 2, AV_TIME_BASE_Q);
}
}
/* Static variables */
s->var_values[VAR_OUT_W] = s->var_values[VAR_OW] = outlink->w;
s->var_values[VAR_OUT_H] = s->var_values[VAR_OH] = outlink->h;
s->var_values[VAR_DAR] = outlink->sample_aspect_ratio.num ?
av_q2d(outlink->sample_aspect_ratio) : 1.0;
s->var_values[VAR_HSUB] = 1 << desc->log2_chroma_w;
s->var_values[VAR_VSUB] = 1 << desc->log2_chroma_h;
s->var_values[VAR_OHSUB] = 1 << out_desc->log2_chroma_w;
s->var_values[VAR_OVSUB] = 1 << out_desc->log2_chroma_h;
if (outlink->format != AV_PIX_FMT_VULKAN)
return 0;
s->vkctx.output_width = outlink->w;
s->vkctx.output_height = outlink->h;
/* Default to re-using the input format */
if (s->out_format == AV_PIX_FMT_NONE || s->out_format == AV_PIX_FMT_VULKAN) {
s->vkctx.output_format = s->vkctx.input_format;
} else {
s->vkctx.output_format = s->out_format;
}
RET(ff_vk_filter_config_output(outlink));
hwfc = (AVHWFramesContext *) outlink->hw_frames_ctx->data;
vkfc = hwfc->hwctx;
vkfc->usage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
return 0;
fail:
return err;
}
#define OFFSET(x) offsetof(LibplaceboContext, x)
#define STATIC (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
#define DYNAMIC (STATIC | AV_OPT_FLAG_RUNTIME_PARAM)
static const AVOption libplacebo_options[] = {
{ "inputs", "Number of inputs", OFFSET(nb_inputs), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, .flags = STATIC },
{ "w", "Output video frame width", OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = STATIC },
{ "h", "Output video frame height", OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = STATIC },
{ "fps", "Output video frame rate", OFFSET(fps_string), AV_OPT_TYPE_STRING, {.str = "none"}, .flags = STATIC },
{ "crop_x", "Input video crop x", OFFSET(crop_x_expr), AV_OPT_TYPE_STRING, {.str = "(iw-cw)/2"}, .flags = DYNAMIC },
{ "crop_y", "Input video crop y", OFFSET(crop_y_expr), AV_OPT_TYPE_STRING, {.str = "(ih-ch)/2"}, .flags = DYNAMIC },
{ "crop_w", "Input video crop w", OFFSET(crop_w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = DYNAMIC },
{ "crop_h", "Input video crop h", OFFSET(crop_h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = DYNAMIC },
{ "pos_x", "Output video placement x", OFFSET(pos_x_expr), AV_OPT_TYPE_STRING, {.str = "(ow-pw)/2"}, .flags = DYNAMIC },
{ "pos_y", "Output video placement y", OFFSET(pos_y_expr), AV_OPT_TYPE_STRING, {.str = "(oh-ph)/2"}, .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 },
{ "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, "force_oar" },
{ "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, STATIC, "force_oar" },
{ "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, STATIC, "force_oar" },
{ "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, STATIC, "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 },
{ "normalize_sar", "force SAR normalization to 1:1 by adjusting pos_x/y/w/h", OFFSET(normalize_sar), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, STATIC },
{ "pad_crop_ratio", "ratio between padding and cropping when normalizing SAR (0=pad, 1=crop)", OFFSET(pad_crop_ratio), AV_OPT_TYPE_FLOAT, {.dbl=0.0}, 0.0, 1.0, DYNAMIC },
{ "fillcolor", "Background fill color", OFFSET(fillcolor), AV_OPT_TYPE_STRING, {.str = "black"}, .flags = DYNAMIC },
{ "corner_rounding", "Corner rounding radius", OFFSET(corner_rounding), AV_OPT_TYPE_FLOAT, {.dbl = 0.0}, 0.0, 1.0, .flags = DYNAMIC },
{ "extra_opts", "Pass extra libplacebo-specific options using a :-separated list of key=value pairs", OFFSET(extra_opts), AV_OPT_TYPE_DICT, .flags = DYNAMIC },
{"colorspace", "select colorspace", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_SPC_NB-1, DYNAMIC, "colorspace"},
{"auto", "keep the same colorspace", 0, AV_OPT_TYPE_CONST, {.i64=-1}, INT_MIN, INT_MAX, STATIC, "colorspace"},
{"gbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_RGB}, INT_MIN, INT_MAX, STATIC, "colorspace"},
{"bt709", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT709}, INT_MIN, INT_MAX, STATIC, "colorspace"},
{"unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_UNSPECIFIED}, INT_MIN, INT_MAX, STATIC, "colorspace"},
{"bt470bg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT470BG}, INT_MIN, INT_MAX, STATIC, "colorspace"},
{"smpte170m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE170M}, INT_MIN, INT_MAX, STATIC, "colorspace"},
{"smpte240m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE240M}, INT_MIN, INT_MAX, STATIC, "colorspace"},
{"ycgco", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_YCGCO}, INT_MIN, INT_MAX, STATIC, "colorspace"},
{"bt2020nc", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT2020_NCL}, INT_MIN, INT_MAX, STATIC, "colorspace"},
{"bt2020c", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT2020_CL}, INT_MIN, INT_MAX, STATIC, "colorspace"},
{"ictcp", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_ICTCP}, INT_MIN, INT_MAX, STATIC, "colorspace"},
{"range", "select color range", OFFSET(color_range), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_RANGE_NB-1, DYNAMIC, "range"},
{"auto", "keep the same color range", 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, STATIC, "range"},
{"unspecified", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED}, 0, 0, STATIC, "range"},
{"unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED}, 0, 0, STATIC, "range"},
{"limited", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG}, 0, 0, STATIC, "range"},
{"tv", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG}, 0, 0, STATIC, "range"},
{"mpeg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG}, 0, 0, STATIC, "range"},
{"full", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG}, 0, 0, STATIC, "range"},
{"pc", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG}, 0, 0, STATIC, "range"},
{"jpeg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG}, 0, 0, STATIC, "range"},
{"color_primaries", "select color primaries", OFFSET(color_primaries), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_PRI_NB-1, DYNAMIC, "color_primaries"},
{"auto", "keep the same color primaries", 0, AV_OPT_TYPE_CONST, {.i64=-1}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"bt709", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT709}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_UNSPECIFIED}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"bt470m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT470M}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"bt470bg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT470BG}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"smpte170m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE170M}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"smpte240m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE240M}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"film", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_FILM}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"bt2020", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT2020}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"smpte428", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE428}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"smpte431", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE431}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"smpte432", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE432}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"jedec-p22", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_JEDEC_P22}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"ebu3213", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_EBU3213}, INT_MIN, INT_MAX, STATIC, "color_primaries"},
{"color_trc", "select color transfer", OFFSET(color_trc), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_TRC_NB-1, DYNAMIC, "color_trc"},
{"auto", "keep the same color transfer", 0, AV_OPT_TYPE_CONST, {.i64=-1}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"bt709", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT709}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_UNSPECIFIED}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"bt470m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_GAMMA22}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"bt470bg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_GAMMA28}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"smpte170m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE170M}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"smpte240m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE240M}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"linear", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_LINEAR}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"iec61966-2-4", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_IEC61966_2_4}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"bt1361e", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT1361_ECG}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"iec61966-2-1", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_IEC61966_2_1}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"bt2020-10", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT2020_10}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"bt2020-12", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT2020_12}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"smpte2084", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE2084}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{"arib-std-b67", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_ARIB_STD_B67}, INT_MIN, INT_MAX, STATIC, "color_trc"},
{ "upscaler", "Upscaler function", OFFSET(upscaler), AV_OPT_TYPE_STRING, {.str = "spline36"}, .flags = DYNAMIC },
{ "downscaler", "Downscaler function", OFFSET(downscaler), AV_OPT_TYPE_STRING, {.str = "mitchell"}, .flags = DYNAMIC },
{ "frame_mixer", "Frame mixing function", OFFSET(frame_mixer), AV_OPT_TYPE_STRING, {.str = "none"}, .flags = DYNAMIC },
{ "lut_entries", "Number of scaler LUT entries", OFFSET(lut_entries), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 256, DYNAMIC },
{ "antiringing", "Antiringing strength (for non-EWA filters)", OFFSET(antiringing), AV_OPT_TYPE_FLOAT, {.dbl = 0.0}, 0.0, 1.0, DYNAMIC },
{ "sigmoid", "Enable sigmoid upscaling", OFFSET(sigmoid), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, DYNAMIC },
{ "apply_filmgrain", "Apply film grain metadata", OFFSET(apply_filmgrain), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, DYNAMIC },
{ "apply_dolbyvision", "Apply Dolby Vision metadata", OFFSET(apply_dovi), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, DYNAMIC },
{ "deband", "Enable debanding", OFFSET(deband), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
{ "deband_iterations", "Deband iterations", OFFSET(deband_iterations), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 16, DYNAMIC },
{ "deband_threshold", "Deband threshold", OFFSET(deband_threshold), AV_OPT_TYPE_FLOAT, {.dbl = 4.0}, 0.0, 1024.0, DYNAMIC },
{ "deband_radius", "Deband radius", OFFSET(deband_radius), AV_OPT_TYPE_FLOAT, {.dbl = 16.0}, 0.0, 1024.0, DYNAMIC },
{ "deband_grain", "Deband grain", OFFSET(deband_grain), AV_OPT_TYPE_FLOAT, {.dbl = 6.0}, 0.0, 1024.0, DYNAMIC },
{ "brightness", "Brightness boost", OFFSET(brightness), AV_OPT_TYPE_FLOAT, {.dbl = 0.0}, -1.0, 1.0, DYNAMIC },
{ "contrast", "Contrast gain", OFFSET(contrast), AV_OPT_TYPE_FLOAT, {.dbl = 1.0}, 0.0, 16.0, DYNAMIC },
{ "saturation", "Saturation gain", OFFSET(saturation), AV_OPT_TYPE_FLOAT, {.dbl = 1.0}, 0.0, 16.0, DYNAMIC },
{ "hue", "Hue shift", OFFSET(hue), AV_OPT_TYPE_FLOAT, {.dbl = 0.0}, -M_PI, M_PI, DYNAMIC },
{ "gamma", "Gamma adjustment", OFFSET(gamma), AV_OPT_TYPE_FLOAT, {.dbl = 1.0}, 0.0, 16.0, DYNAMIC },
{ "peak_detect", "Enable dynamic peak detection for HDR tone-mapping", OFFSET(peakdetect), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, DYNAMIC },
{ "smoothing_period", "Peak detection smoothing period", OFFSET(smoothing), AV_OPT_TYPE_FLOAT, {.dbl = 100.0}, 0.0, 1000.0, DYNAMIC },
{ "minimum_peak", "Peak detection minimum peak", OFFSET(min_peak), AV_OPT_TYPE_FLOAT, {.dbl = 1.0}, 0.0, 100.0, DYNAMIC },
{ "scene_threshold_low", "Scene change low threshold", OFFSET(scene_low), AV_OPT_TYPE_FLOAT, {.dbl = 5.5}, -1.0, 100.0, DYNAMIC },
{ "scene_threshold_high", "Scene change high threshold", OFFSET(scene_high), AV_OPT_TYPE_FLOAT, {.dbl = 10.0}, -1.0, 100.0, DYNAMIC },
{ "percentile", "Peak detection percentile", OFFSET(percentile), AV_OPT_TYPE_FLOAT, {.dbl = 99.995}, 0.0, 100.0, DYNAMIC },
{ "gamut_mode", "Gamut-mapping mode", OFFSET(gamut_mode), AV_OPT_TYPE_INT, {.i64 = GAMUT_MAP_PERCEPTUAL}, 0, GAMUT_MAP_COUNT - 1, DYNAMIC, "gamut_mode" },
{ "clip", "Hard-clip (RGB per-channel)", 0, AV_OPT_TYPE_CONST, {.i64 = GAMUT_MAP_CLIP}, 0, 0, STATIC, "gamut_mode" },
{ "perceptual", "Colorimetric soft clipping", 0, AV_OPT_TYPE_CONST, {.i64 = GAMUT_MAP_PERCEPTUAL}, 0, 0, STATIC, "gamut_mode" },
{ "relative", "Relative colorimetric clipping", 0, AV_OPT_TYPE_CONST, {.i64 = GAMUT_MAP_RELATIVE}, 0, 0, STATIC, "gamut_mode" },
{ "saturation", "Saturation mapping (RGB -> RGB)", 0, AV_OPT_TYPE_CONST, {.i64 = GAMUT_MAP_SATURATION}, 0, 0, STATIC, "gamut_mode" },
{ "absolute", "Absolute colorimetric clipping", 0, AV_OPT_TYPE_CONST, {.i64 = GAMUT_MAP_ABSOLUTE}, 0, 0, STATIC, "gamut_mode" },
{ "desaturate", "Colorimetrically desaturate colors towards white", 0, AV_OPT_TYPE_CONST, {.i64 = GAMUT_MAP_DESATURATE}, 0, 0, STATIC, "gamut_mode" },
{ "darken", "Colorimetric clip with bias towards darkening image to fit gamut", 0, AV_OPT_TYPE_CONST, {.i64 = GAMUT_MAP_DARKEN}, 0, 0, STATIC, "gamut_mode" },
{ "warn", "Highlight out-of-gamut colors", 0, AV_OPT_TYPE_CONST, {.i64 = GAMUT_MAP_HIGHLIGHT}, 0, 0, STATIC, "gamut_mode" },
{ "linear", "Linearly reduce chromaticity to fit gamut", 0, AV_OPT_TYPE_CONST, {.i64 = GAMUT_MAP_LINEAR}, 0, 0, STATIC, "gamut_mode" },
{ "tonemapping", "Tone-mapping algorithm", OFFSET(tonemapping), AV_OPT_TYPE_INT, {.i64 = TONE_MAP_AUTO}, 0, TONE_MAP_COUNT - 1, DYNAMIC, "tonemap" },
{ "auto", "Automatic selection", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_AUTO}, 0, 0, STATIC, "tonemap" },
{ "clip", "No tone mapping (clip", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_CLIP}, 0, 0, STATIC, "tonemap" },
#if PL_API_VER >= 246
{ "st2094-40", "SMPTE ST 2094-40", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_ST2094_40}, 0, 0, STATIC, "tonemap" },
{ "st2094-10", "SMPTE ST 2094-10", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_ST2094_10}, 0, 0, STATIC, "tonemap" },
#endif
{ "bt.2390", "ITU-R BT.2390 EETF", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_BT2390}, 0, 0, STATIC, "tonemap" },
{ "bt.2446a", "ITU-R BT.2446 Method A", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_BT2446A}, 0, 0, STATIC, "tonemap" },
{ "spline", "Single-pivot polynomial spline", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_SPLINE}, 0, 0, STATIC, "tonemap" },
{ "reinhard", "Reinhard", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_REINHARD}, 0, 0, STATIC, "tonemap" },
{ "mobius", "Mobius", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_MOBIUS}, 0, 0, STATIC, "tonemap" },
{ "hable", "Filmic tone-mapping (Hable)", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_HABLE}, 0, 0, STATIC, "tonemap" },
{ "gamma", "Gamma function with knee", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_GAMMA}, 0, 0, STATIC, "tonemap" },
{ "linear", "Perceptually linear stretch", 0, AV_OPT_TYPE_CONST, {.i64 = TONE_MAP_LINEAR}, 0, 0, STATIC, "tonemap" },
{ "tonemapping_param", "Tunable parameter for some tone-mapping functions", OFFSET(tonemapping_param), AV_OPT_TYPE_FLOAT, {.dbl = 0.0}, 0.0, 100.0, .flags = DYNAMIC },
{ "inverse_tonemapping", "Inverse tone mapping (range expansion)", OFFSET(inverse_tonemapping), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
{ "tonemapping_lut_size", "Tone-mapping LUT size", OFFSET(tonemapping_lut_size), AV_OPT_TYPE_INT, {.i64 = 256}, 2, 1024, DYNAMIC },
{ "contrast_recovery", "HDR contrast recovery strength", OFFSET(contrast_recovery), AV_OPT_TYPE_FLOAT, {.dbl = 0.30}, 0.0, 3.0, DYNAMIC },
{ "contrast_smoothness", "HDR contrast recovery smoothness", OFFSET(contrast_smoothness), AV_OPT_TYPE_FLOAT, {.dbl = 3.50}, 1.0, 32.0, DYNAMIC },
#if FF_API_LIBPLACEBO_OPTS
/* deprecated options for backwards compatibility, defaulting to -1 to not override the new defaults */
{ "desaturation_strength", "Desaturation strength", OFFSET(desat_str), AV_OPT_TYPE_FLOAT, {.dbl = -1.0}, -1.0, 1.0, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
{ "desaturation_exponent", "Desaturation exponent", OFFSET(desat_exp), AV_OPT_TYPE_FLOAT, {.dbl = -1.0}, -1.0, 10.0, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
{ "gamut_warning", "Highlight out-of-gamut colors", OFFSET(gamut_warning), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
{ "gamut_clipping", "Enable desaturating colorimetric gamut clipping", OFFSET(gamut_clipping), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
{ "intent", "Rendering intent", OFFSET(intent), AV_OPT_TYPE_INT, {.i64 = PL_INTENT_PERCEPTUAL}, 0, 3, DYNAMIC | AV_OPT_FLAG_DEPRECATED, "intent" },
{ "perceptual", "Perceptual", 0, AV_OPT_TYPE_CONST, {.i64 = PL_INTENT_PERCEPTUAL}, 0, 0, STATIC, "intent" },
{ "relative", "Relative colorimetric", 0, AV_OPT_TYPE_CONST, {.i64 = PL_INTENT_RELATIVE_COLORIMETRIC}, 0, 0, STATIC, "intent" },
{ "absolute", "Absolute colorimetric", 0, AV_OPT_TYPE_CONST, {.i64 = PL_INTENT_ABSOLUTE_COLORIMETRIC}, 0, 0, STATIC, "intent" },
{ "saturation", "Saturation mapping", 0, AV_OPT_TYPE_CONST, {.i64 = PL_INTENT_SATURATION}, 0, 0, STATIC, "intent" },
{ "tonemapping_mode", "Tone-mapping mode", OFFSET(tonemapping_mode), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 4, DYNAMIC | AV_OPT_FLAG_DEPRECATED, "tonemap_mode" },
{ "auto", "Automatic selection", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, STATIC, "tonemap_mode" },
{ "rgb", "Per-channel (RGB)", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, STATIC, "tonemap_mode" },
{ "max", "Maximum component", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, STATIC, "tonemap_mode" },
{ "hybrid", "Hybrid of Luma/RGB", 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, STATIC, "tonemap_mode" },
{ "luma", "Luminance", 0, AV_OPT_TYPE_CONST, {.i64 = 4}, 0, 0, STATIC, "tonemap_mode" },
{ "tonemapping_crosstalk", "Crosstalk factor for tone-mapping", OFFSET(crosstalk), AV_OPT_TYPE_FLOAT, {.dbl = 0.04}, 0.0, 0.30, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
{ "overshoot", "Tone-mapping overshoot margin", OFFSET(overshoot), AV_OPT_TYPE_FLOAT, {.dbl = 0.05}, 0.0, 1.0, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
{ "hybrid_mix", "Tone-mapping hybrid LMS mixing coefficient", OFFSET(hybrid_mix), AV_OPT_TYPE_FLOAT, {.dbl = 0.20}, 0.0, 1.00, DYNAMIC },
#endif
{ "dithering", "Dither method to use", OFFSET(dithering), AV_OPT_TYPE_INT, {.i64 = PL_DITHER_BLUE_NOISE}, -1, PL_DITHER_METHOD_COUNT - 1, DYNAMIC, "dither" },
{ "none", "Disable dithering", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, STATIC, "dither" },
{ "blue", "Blue noise", 0, AV_OPT_TYPE_CONST, {.i64 = PL_DITHER_BLUE_NOISE}, 0, 0, STATIC, "dither" },
{ "ordered", "Ordered LUT", 0, AV_OPT_TYPE_CONST, {.i64 = PL_DITHER_ORDERED_LUT}, 0, 0, STATIC, "dither" },
{ "ordered_fixed", "Fixed function ordered", 0, AV_OPT_TYPE_CONST, {.i64 = PL_DITHER_ORDERED_FIXED}, 0, 0, STATIC, "dither" },
{ "white", "White noise", 0, AV_OPT_TYPE_CONST, {.i64 = PL_DITHER_WHITE_NOISE}, 0, 0, STATIC, "dither" },
{ "dither_lut_size", "Dithering LUT size", OFFSET(dither_lut_size), AV_OPT_TYPE_INT, {.i64 = 6}, 1, 8, STATIC },
{ "dither_temporal", "Enable temporal dithering", OFFSET(dither_temporal), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
{ "cones", "Colorblindness adaptation model", OFFSET(cones), AV_OPT_TYPE_FLAGS, {.i64 = 0}, 0, PL_CONE_LMS, DYNAMIC, "cone" },
{ "l", "L cone", 0, AV_OPT_TYPE_CONST, {.i64 = PL_CONE_L}, 0, 0, STATIC, "cone" },
{ "m", "M cone", 0, AV_OPT_TYPE_CONST, {.i64 = PL_CONE_M}, 0, 0, STATIC, "cone" },
{ "s", "S cone", 0, AV_OPT_TYPE_CONST, {.i64 = PL_CONE_S}, 0, 0, STATIC, "cone" },
{ "cone-strength", "Colorblindness adaptation strength", OFFSET(cone_str), AV_OPT_TYPE_FLOAT, {.dbl = 0.0}, 0.0, 10.0, DYNAMIC },
{ "custom_shader_path", "Path to custom user shader (mpv .hook format)", OFFSET(shader_path), AV_OPT_TYPE_STRING, .flags = STATIC },
{ "custom_shader_bin", "Custom user shader as binary (mpv .hook format)", OFFSET(shader_bin), AV_OPT_TYPE_BINARY, .flags = STATIC },
/* Performance/quality tradeoff options */
{ "skip_aa", "Skip anti-aliasing", OFFSET(skip_aa), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
{ "polar_cutoff", "Polar LUT cutoff", OFFSET(polar_cutoff), AV_OPT_TYPE_FLOAT, {.dbl = 0}, 0.0, 1.0, DYNAMIC },
{ "disable_linear", "Disable linear scaling", OFFSET(disable_linear), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
{ "disable_builtin", "Disable built-in scalers", OFFSET(disable_builtin), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
#if FF_API_LIBPLACEBO_OPTS
{ "force_icc_lut", "Deprecated, does nothing", OFFSET(force_icc_lut), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
#endif
{ "force_dither", "Force dithering", OFFSET(force_dither), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
{ "disable_fbos", "Force-disable FBOs", OFFSET(disable_fbos), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
{ NULL },
};
AVFILTER_DEFINE_CLASS(libplacebo);
static const AVFilterPad libplacebo_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = &libplacebo_config_output,
},
};
const AVFilter ff_vf_libplacebo = {
.name = "libplacebo",
.description = NULL_IF_CONFIG_SMALL("Apply various GPU filters from libplacebo"),
.priv_size = sizeof(LibplaceboContext),
.init = &libplacebo_init,
.uninit = &libplacebo_uninit,
.activate = &libplacebo_activate,
.process_command = &libplacebo_process_command,
FILTER_OUTPUTS(libplacebo_outputs),
FILTER_QUERY_FUNC(libplacebo_query_format),
.priv_class = &libplacebo_class,
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
.flags = AVFILTER_FLAG_HWDEVICE | AVFILTER_FLAG_DYNAMIC_INPUTS,
};