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mpv/video/zimg.c

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/*
* This file is part of mpv.
*
* mpv 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.
*
* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <math.h>
#include "common/common.h"
#include "common/msg.h"
#include "csputils.h"
#include "options/m_config.h"
#include "options/m_option.h"
#include "video/img_format.h"
#include "zimg.h"
static_assert(MP_IMAGE_BYTE_ALIGN >= ZIMG_ALIGN, "");
struct zimg_opts {
int scaler;
int fast;
};
#define OPT_BASE_STRUCT struct zimg_opts
const struct m_sub_options zimg_conf = {
.opts = (struct m_option[]) {
OPT_CHOICE("scaler", scaler, 0,
({"point", ZIMG_RESIZE_POINT},
{"bilinear", ZIMG_RESIZE_BILINEAR},
{"bicubic", ZIMG_RESIZE_BICUBIC},
{"spline16", ZIMG_RESIZE_SPLINE16},
{"lanczos", ZIMG_RESIZE_LANCZOS})),
OPT_FLAG("fast", fast, 0),
{0}
},
.size = sizeof(struct zimg_opts),
.defaults = &(const struct zimg_opts){
.scaler = ZIMG_RESIZE_BILINEAR,
.fast = 1,
},
};
// Component ID (see struct mp_regular_imgfmt_plane.components) to plane index.
static const int corder_gbrp[4] = {0, 2, 0, 1};
static const int corder_yuv[4] = {0, 0, 1, 2};
struct mp_zimg_repack {
bool pack; // if false, this is for unpacking
struct mp_image_params fmt; // original mp format (possibly packed format)
int zimgfmt; // zimg equivalent unpacked format
int zplanes; // number of planes (zimgfmt)
unsigned zmask; // zimg_image_buffer.mask
int z_planes[4]; // z_planes[zimg_index] = mp_index
// If set, the pack/unpack callback to pass to zimg.
// Called with user==mp_zimg_repack.
zimg_filter_graph_callback repack;
// For packed_repack.
int components[4]; // p2[n] = mp_image.planes[components[n]]
// pack: p1 is dst, p2 is src
// unpack: p1 is src, p2 is dst
void (*packed_repack_scanline)(void *p1, void *p2[], int x0, int x1);
// Temporary memory for slice-wise repacking. This may be set even if repack
// is not set (then it may be used to avoid alignment issues). This has
// about one slice worth of data.
struct mp_image *tmp;
// Temporary, per-call source/target frame. (Regrettably a mutable field,
// but it's not the only one, and makes the callbacks much less of a mess
// by avoiding another "closure" indirection.)
// To be used by the repack callback.
struct mp_image *mpi;
};
static void mp_zimg_update_from_cmdline(struct mp_zimg_context *ctx)
{
m_config_cache_update(ctx->opts_cache);
struct zimg_opts *opts = ctx->opts_cache->opts;
ctx->scaler = opts->scaler;
ctx->fast = opts->fast;
}
static zimg_chroma_location_e mp_to_z_chroma(enum mp_chroma_location cl)
{
switch (cl) {
case MP_CHROMA_LEFT: return ZIMG_CHROMA_LEFT;
case MP_CHROMA_CENTER: return ZIMG_CHROMA_CENTER;
default: return ZIMG_CHROMA_LEFT;
}
}
static zimg_matrix_coefficients_e mp_to_z_matrix(enum mp_csp csp)
{
switch (csp) {
case MP_CSP_BT_601: return ZIMG_MATRIX_BT470_BG;
case MP_CSP_BT_709: return ZIMG_MATRIX_BT709;
case MP_CSP_SMPTE_240M: return ZIMG_MATRIX_ST240_M;
case MP_CSP_BT_2020_NC: return ZIMG_MATRIX_BT2020_NCL;
case MP_CSP_BT_2020_C: return ZIMG_MATRIX_BT2020_CL;
case MP_CSP_RGB: return ZIMG_MATRIX_RGB;
case MP_CSP_XYZ: return ZIMG_MATRIX_RGB;
case MP_CSP_YCGCO: return ZIMG_MATRIX_YCGCO;
default: return ZIMG_MATRIX_BT709;
}
}
static zimg_transfer_characteristics_e mp_to_z_trc(enum mp_csp_trc trc)
{
switch (trc) {
case MP_CSP_TRC_BT_1886: return ZIMG_TRANSFER_BT709;
case MP_CSP_TRC_SRGB: return ZIMG_TRANSFER_IEC_61966_2_1;
case MP_CSP_TRC_LINEAR: return ZIMG_TRANSFER_LINEAR;
case MP_CSP_TRC_GAMMA22: return ZIMG_TRANSFER_BT470_M;
case MP_CSP_TRC_GAMMA28: return ZIMG_TRANSFER_BT470_BG;
case MP_CSP_TRC_PQ: return ZIMG_TRANSFER_ST2084;
case MP_CSP_TRC_HLG: return ZIMG_TRANSFER_ARIB_B67;
case MP_CSP_TRC_GAMMA18: // ?
case MP_CSP_TRC_GAMMA20:
case MP_CSP_TRC_GAMMA24:
case MP_CSP_TRC_GAMMA26:
case MP_CSP_TRC_PRO_PHOTO:
case MP_CSP_TRC_V_LOG:
case MP_CSP_TRC_S_LOG1:
case MP_CSP_TRC_S_LOG2: // ?
default: return ZIMG_TRANSFER_BT709;
}
}
static zimg_color_primaries_e mp_to_z_prim(enum mp_csp_prim prim)
{
switch (prim) {
case MP_CSP_PRIM_BT_601_525:return ZIMG_PRIMARIES_ST170_M;
case MP_CSP_PRIM_BT_601_625:return ZIMG_PRIMARIES_BT470_BG;
case MP_CSP_PRIM_BT_709: return ZIMG_PRIMARIES_BT709;
case MP_CSP_PRIM_BT_2020: return ZIMG_PRIMARIES_BT2020;
case MP_CSP_PRIM_BT_470M: return ZIMG_PRIMARIES_BT470_M;
case MP_CSP_PRIM_CIE_1931: return ZIMG_PRIMARIES_ST428;
case MP_CSP_PRIM_DCI_P3: return ZIMG_PRIMARIES_ST431_2;
case MP_CSP_PRIM_DISPLAY_P3:return ZIMG_PRIMARIES_ST432_1;
case MP_CSP_PRIM_APPLE: // ?
case MP_CSP_PRIM_ADOBE:
case MP_CSP_PRIM_PRO_PHOTO:
case MP_CSP_PRIM_V_GAMUT:
case MP_CSP_PRIM_S_GAMUT: // ?
default: return ZIMG_PRIMARIES_BT709;
}
}
static void destroy_zimg(struct mp_zimg_context *ctx)
{
free(ctx->zimg_tmp);
ctx->zimg_tmp = NULL;
zimg_filter_graph_free(ctx->zimg_graph);
ctx->zimg_graph = NULL;
TA_FREEP(&ctx->zimg_src);
TA_FREEP(&ctx->zimg_dst);
}
static void free_mp_zimg(void *p)
{
struct mp_zimg_context *ctx = p;
destroy_zimg(ctx);
}
struct mp_zimg_context *mp_zimg_alloc(void)
{
struct mp_zimg_context *ctx = talloc_ptrtype(NULL, ctx);
*ctx = (struct mp_zimg_context) {
.log = mp_null_log,
.scaler = ZIMG_RESIZE_BILINEAR,
.scaler_params = {NAN, NAN},
.scaler_chroma = ZIMG_RESIZE_BILINEAR,
.scaler_chroma_params = {NAN, NAN},
.dither = ZIMG_DITHER_NONE,
.fast = true,
};
talloc_set_destructor(ctx, free_mp_zimg);
return ctx;
}
void mp_zimg_enable_cmdline_opts(struct mp_zimg_context *ctx,
struct mpv_global *g)
{
if (ctx->opts_cache)
return;
ctx->opts_cache = m_config_cache_alloc(ctx, g, &zimg_conf);
destroy_zimg(ctx); // force update
mp_zimg_update_from_cmdline(ctx); // first update
}
static void copy_rect(struct mp_image *dst, unsigned dst_mask,
struct mp_image *src, unsigned src_mask,
unsigned i, unsigned x0, unsigned x1)
{
for (int p = 0; p < dst->fmt.num_planes; p++) {
int bpp = dst->fmt.bytes[p];
int xs = dst->fmt.xs[p];
int ys = dst->fmt.ys[p];
// Number of lines on this plane.
int h = (1 << dst->fmt.chroma_ys) - (1 << ys) + 1;
for (int y = i; y < i + h; y++) {
void *psrc = src->planes[p] +
src->stride[p] * (ptrdiff_t)((y >> ys) & src_mask) +
bpp * (x0 >> xs);
void *pdst = dst->planes[p] +
dst->stride[p] * (ptrdiff_t)((y >> ys) & dst_mask) +
bpp * (x0 >> xs);
memcpy(pdst, psrc, ((x1 - x0) >> xs) * bpp);
}
}
}
static int align_pack(void *user, unsigned i, unsigned x0, unsigned x1)
{
struct mp_zimg_repack *r = user;
copy_rect(r->mpi, ZIMG_BUFFER_MAX, r->tmp, r->zmask, i, x0, x1);
return 0;
}
static int align_unpack(void *user, unsigned i, unsigned x0, unsigned x1)
{
struct mp_zimg_repack *r = user;
copy_rect(r->tmp, r->zmask, r->mpi, ZIMG_BUFFER_MAX, i, x0, x1);
return 0;
}
// 3 8 bit color components sourced from 3 planes, plus 8 MSB padding bits.
static void x8ccc8_pack(void *dst, void *src[], int x0, int x1)
{
for (int x = x0; x < x1; x++) {
((uint32_t *)dst)[x] =
((uint8_t *)src[0])[x] |
((uint32_t)((uint8_t *)src[1])[x] << 8) |
((uint32_t)((uint8_t *)src[2])[x] << 16);
}
}
// 3 8 bit color components sourced from 3 planes, plus 8 LSB padding bits.
static void ccc8x8_pack(void *dst, void *src[], int x0, int x1)
{
for (int x = x0; x < x1; x++) {
((uint32_t *)dst)[x] =
((uint32_t)((uint8_t *)src[0])[x] << 8) |
((uint32_t)((uint8_t *)src[1])[x] << 16) |
((uint32_t)((uint8_t *)src[2])[x] << 24);
}
}
// 3 16 bit color components written to 3 planes.
static void ccc16_unpack(void *src, void *dst[], int x0, int x1)
{
uint16_t *r = src;
for (int x = x0; x < x1; x++) {
((uint16_t *)dst[0])[x] = *r++;
((uint16_t *)dst[1])[x] = *r++;
((uint16_t *)dst[2])[x] = *r++;
}
}
// 3 10 bit color components source from 3 planes, plus 2 MSB padding bits.
static void x2ccc10_pack(void *dst, void *src[], int x0, int x1)
{
for (int x = x0; x < x1; x++) {
((uint32_t *)dst)[x] =
((uint16_t *)src[0])[x] |
((uint32_t)((uint16_t *)src[1])[x] << 10) |
((uint32_t)((uint16_t *)src[2])[x] << 20);
}
}
static int packed_repack(void *user, unsigned i, unsigned x0, unsigned x1)
{
struct mp_zimg_repack *r = user;
uint32_t *p1 =
(void *)(r->mpi->planes[0] + r->mpi->stride[0] * (ptrdiff_t)i);
void *p2[3];
for (int p = 0; p < 3; p++) {
int s = r->components[p];
p2[p] = r->tmp->planes[s] + r->tmp->stride[s] * (ptrdiff_t)(i & r->zmask);
}
r->packed_repack_scanline(p1, p2, x0, x1);
return 0;
}
static void wrap_buffer(struct mp_zimg_repack *r,
zimg_image_buffer *buf,
zimg_filter_graph_callback *cb,
struct mp_image *mpi)
{
*buf = (zimg_image_buffer){ZIMG_API_VERSION};
*cb = r->repack;
struct mp_image *wrap_mpi = r->tmp;
if (!*cb) {
bool aligned = true;
for (int n = 0; n < r->zplanes; n++) {
if (((uintptr_t)mpi->planes[n] % ZIMG_ALIGN) ||
(mpi->stride[n] % ZIMG_ALIGN))
aligned = false;
}
if (aligned) {
wrap_mpi = mpi;
} else {
*cb = r->pack ? align_pack : align_unpack;
}
}
for (int n = 0; n < r->zplanes; n++) {
int mplane = r->z_planes[n];
buf->plane[n].data = wrap_mpi->planes[mplane];
buf->plane[n].stride = wrap_mpi->stride[mplane];
buf->plane[n].mask = wrap_mpi == mpi ? ZIMG_BUFFER_MAX : r->zmask;
}
r->mpi = mpi;
}
static void setup_misc_packer(struct mp_zimg_repack *r)
{
if (r->zimgfmt == IMGFMT_RGB30) {
int planar_fmt = mp_imgfmt_find(0, 0, 3, 10, MP_IMGFLAG_RGB_P);
if (!planar_fmt || !r->pack)
return;
r->zimgfmt = planar_fmt;
r->repack = packed_repack;
r->packed_repack_scanline = x2ccc10_pack;
static int c_order[] = {3, 2, 1};
for (int n = 0; n < 3; n++)
r->components[n] = corder_gbrp[c_order[n]];
}
}
// Tries to set a packer/unpacker for component-wise byte aligned RGB formats.
static void setup_regular_rgb_packer(struct mp_zimg_repack *r)
{
struct mp_regular_imgfmt desc;
if (!mp_get_regular_imgfmt(&desc, r->zimgfmt))
return;
if (desc.num_planes != 1 || desc.planes[0].num_components < 2)
return;
struct mp_regular_imgfmt_plane *p = &desc.planes[0];
for (int n = 0; n < p->num_components; n++) {
if (p->components[n] >= 4) // no alpha
return;
}
// Component ID to plane, with 0 (padding) just mapping to plane 0.
const int *corder = NULL;
int typeflag = 0;
enum mp_csp forced_csp = mp_imgfmt_get_forced_csp(r->zimgfmt);
if (forced_csp == MP_CSP_RGB || forced_csp == MP_CSP_XYZ) {
typeflag = MP_IMGFLAG_RGB_P;
corder = corder_gbrp;
} else {
typeflag = MP_IMGFLAG_YUV_P;
corder = corder_yuv;
}
// Find a compatible planar format (typically AV_PIX_FMT_GBRP).
int depth = desc.component_size * 8 + MPMIN(0, desc.component_pad);
int planar_fmt = mp_imgfmt_find(0, 0, 3, depth, typeflag);
if (!planar_fmt)
return;
if (desc.component_size == 1 && p->num_components == 4) {
if (!r->pack) // no unpacker yet
return;
if (p->components[0] && p->components[3]) // padding must be in MSB or LSB
return;
// The following assumes little endian (because the repack backends use
// word access, while the metadata here uses byte access).
int first = p->components[0] ? 0 : 1;
r->repack = packed_repack;
r->packed_repack_scanline = p->components[0] ? x8ccc8_pack : ccc8x8_pack;
r->zimgfmt = planar_fmt;
for (int n = 0; n < 3; n++)
r->components[n] = corder[p->components[first + n]];
return;
}
if (desc.component_size == 2 && p->num_components == 3) {
if (r->pack) // no packer yet
return;
r->repack = packed_repack;
r->packed_repack_scanline = ccc16_unpack;
r->zimgfmt = planar_fmt;
for (int n = 0; n < 3; n++)
r->components[n] = corder[p->components[n]];
return;
}
}
// (ctx can be NULL for the sake of probing.)
static bool setup_format(zimg_image_format *zfmt, struct mp_zimg_repack *r,
struct mp_zimg_context *ctx)
{
zimg_image_format_default(zfmt, ZIMG_API_VERSION);
struct mp_image_params fmt = r->fmt;
mp_image_params_guess_csp(&fmt);
r->zimgfmt = fmt.imgfmt;
if (!r->repack)
setup_misc_packer(r);
if (!r->repack)
setup_regular_rgb_packer(r);
struct mp_regular_imgfmt desc;
if (!mp_get_regular_imgfmt(&desc, r->zimgfmt))
return false;
enum mp_csp csp = mp_imgfmt_get_forced_csp(r->zimgfmt);
// no alpha plane, no odd chroma subsampling
if (desc.num_planes > 3 || !MP_IS_POWER_OF_2(desc.chroma_w) ||
!MP_IS_POWER_OF_2(desc.chroma_h))
return false;
// Accept only true planar formats.
for (int n = 0; n < desc.num_planes; n++) {
if (desc.planes[n].num_components != 1)
return false;
int c = desc.planes[n].components[0];
if (c < 1 || c > 3)
return false;
// Unfortunately, ffmpeg prefers GBR order for planar RGB, while zimg
// is sane. This makes it necessary to determine and fix the order.
r->z_planes[c - 1] = n;
}
r->zplanes = desc.num_planes;
zfmt->width = fmt.w;
zfmt->height = fmt.h;
zfmt->subsample_w = mp_log2(desc.chroma_w);
zfmt->subsample_h = mp_log2(desc.chroma_h);
zfmt->color_family = ZIMG_COLOR_YUV;
if (desc.num_planes == 1) {
zfmt->color_family = ZIMG_COLOR_GREY;
} else if (csp == MP_CSP_RGB || csp == MP_CSP_XYZ) {
zfmt->color_family = ZIMG_COLOR_RGB;
}
if (desc.component_type == MP_COMPONENT_TYPE_UINT &&
desc.component_size == 1)
{
zfmt->pixel_type = ZIMG_PIXEL_BYTE;
} else if (desc.component_type == MP_COMPONENT_TYPE_UINT &&
desc.component_size == 2)
{
zfmt->pixel_type = ZIMG_PIXEL_WORD;
} else if (desc.component_type == MP_COMPONENT_TYPE_FLOAT &&
desc.component_size == 2)
{
zfmt->pixel_type = ZIMG_PIXEL_HALF;
} else if (desc.component_type == MP_COMPONENT_TYPE_FLOAT &&
desc.component_size == 4)
{
zfmt->pixel_type = ZIMG_PIXEL_FLOAT;
} else {
return false;
}
// (Formats like P010 are basically reported as P016.)
zfmt->depth = desc.component_size * 8 + MPMIN(0, desc.component_pad);
zfmt->pixel_range = fmt.color.levels == MP_CSP_LEVELS_PC ?
ZIMG_RANGE_FULL : ZIMG_RANGE_LIMITED;
zfmt->matrix_coefficients = mp_to_z_matrix(fmt.color.space);
zfmt->transfer_characteristics = mp_to_z_trc(fmt.color.gamma);
zfmt->color_primaries = mp_to_z_prim(fmt.color.primaries);
zfmt->chroma_location = mp_to_z_chroma(fmt.chroma_location);
if (ctx && ctx->fast) {
// mpv's default for RGB output slows down zimg significantly.
if (zfmt->transfer_characteristics == ZIMG_TRANSFER_IEC_61966_2_1 &&
zfmt->color_family == ZIMG_COLOR_RGB)
zfmt->transfer_characteristics = ZIMG_TRANSFER_BT709;
}
return true;
}
static bool allocate_buffer(struct mp_zimg_context *ctx,
struct mp_zimg_repack *r)
{
unsigned lines = 0;
int err;
if (r->pack) {
err = zimg_filter_graph_get_output_buffering(ctx->zimg_graph, &lines);
} else {
err = zimg_filter_graph_get_input_buffering(ctx->zimg_graph, &lines);
}
if (err)
return false;
r->zmask = zimg_select_buffer_mask(lines);
// Either ZIMG_BUFFER_MAX, or a power-of-2 slice buffer.
assert(r->zmask == ZIMG_BUFFER_MAX || MP_IS_POWER_OF_2(r->zmask + 1));
int h = r->zmask == ZIMG_BUFFER_MAX ? r->fmt.h : r->zmask + 1;
if (h >= r->fmt.h) {
h = r->fmt.h;
r->zmask = ZIMG_BUFFER_MAX;
}
r->tmp = mp_image_alloc(r->zimgfmt, r->fmt.w, h);
talloc_steal(r, r->tmp);
return !!r->tmp;
}
bool mp_zimg_config(struct mp_zimg_context *ctx)
{
destroy_zimg(ctx);
if (ctx->opts_cache)
mp_zimg_update_from_cmdline(ctx);
ctx->zimg_src = talloc_zero(NULL, struct mp_zimg_repack);
ctx->zimg_src->pack = false;
ctx->zimg_src->fmt = ctx->src;
ctx->zimg_dst = talloc_zero(NULL, struct mp_zimg_repack);
ctx->zimg_dst->pack = true;
ctx->zimg_dst->fmt = ctx->dst;
zimg_image_format src_fmt, dst_fmt;
if (!setup_format(&src_fmt, ctx->zimg_src, ctx) ||
!setup_format(&dst_fmt, ctx->zimg_dst, ctx))
goto fail;
zimg_graph_builder_params params;
zimg_graph_builder_params_default(&params, ZIMG_API_VERSION);
params.resample_filter = ctx->scaler;
params.filter_param_a = ctx->scaler_params[0];
params.filter_param_b = ctx->scaler_params[1];
params.resample_filter_uv = ctx->scaler_chroma;
params.filter_param_a_uv = ctx->scaler_chroma_params[0];
params.filter_param_b_uv = ctx->scaler_chroma_params[1];
params.dither_type = ctx->dither;
params.cpu_type = ZIMG_CPU_AUTO_64B;
if (ctx->fast)
params.allow_approximate_gamma = 1;
if (ctx->src.color.sig_peak > 0)
params.nominal_peak_luminance = ctx->src.color.sig_peak;
ctx->zimg_graph = zimg_filter_graph_build(&src_fmt, &dst_fmt, &params);
if (!ctx->zimg_graph) {
char err[128] = {0};
zimg_get_last_error(err, sizeof(err) - 1);
MP_ERR(ctx, "zimg_filter_graph_build: %s \n", err);
goto fail;
}
size_t tmp_size;
if (!zimg_filter_graph_get_tmp_size(ctx->zimg_graph, &tmp_size)) {
tmp_size = MP_ALIGN_UP(tmp_size, ZIMG_ALIGN);
ctx->zimg_tmp = aligned_alloc(ZIMG_ALIGN, tmp_size);
}
if (!ctx->zimg_tmp)
goto fail;
if (!allocate_buffer(ctx, ctx->zimg_src) ||
!allocate_buffer(ctx, ctx->zimg_dst))
goto fail;
return true;
fail:
destroy_zimg(ctx);
return false;
}
bool mp_zimg_config_image_params(struct mp_zimg_context *ctx)
{
if (ctx->zimg_src && mp_image_params_equal(&ctx->src, &ctx->zimg_src->fmt) &&
ctx->zimg_dst && mp_image_params_equal(&ctx->dst, &ctx->zimg_dst->fmt) &&
(!ctx->opts_cache || !m_config_cache_update(ctx->opts_cache)) &&
ctx->zimg_graph)
return true;
return mp_zimg_config(ctx);
}
bool mp_zimg_convert(struct mp_zimg_context *ctx, struct mp_image *dst,
struct mp_image *src)
{
ctx->src = src->params;
ctx->dst = dst->params;
if (!mp_zimg_config_image_params(ctx)) {
MP_ERR(ctx, "zimg initialization failed.\n");
return false;
}
assert(ctx->zimg_graph);
zimg_image_buffer zsrc, zdst;
zimg_filter_graph_callback cbsrc, cbdst;
wrap_buffer(ctx->zimg_src, &zsrc, &cbsrc, src);
wrap_buffer(ctx->zimg_dst, &zdst, &cbdst, dst);
// An annoyance.
zimg_image_buffer_const zsrc_c = {ZIMG_API_VERSION};
for (int n = 0; n < 3; n++) {
zsrc_c.plane[n].data = zsrc.plane[n].data;
zsrc_c.plane[n].stride = zsrc.plane[n].stride;
zsrc_c.plane[n].mask = zsrc.plane[n].mask;
}
// (The API promises to succeed if no user callbacks fail, so no need
// to check the return value.)
zimg_filter_graph_process(ctx->zimg_graph, &zsrc_c, &zdst,
ctx->zimg_tmp,
cbsrc, ctx->zimg_src,
cbdst, ctx->zimg_dst);
ctx->zimg_src->mpi = NULL;
ctx->zimg_dst->mpi = NULL;
return true;
}
static bool supports_format(int imgfmt, bool out)
{
struct mp_zimg_repack t = {
.pack = out,
.fmt = {
.imgfmt = imgfmt,
},
};
zimg_image_format fmt;
return setup_format(&fmt, &t, NULL);
}
bool mp_zimg_supports_in_format(int imgfmt)
{
return supports_format(imgfmt, false);
}
bool mp_zimg_supports_out_format(int imgfmt)
{
return supports_format(imgfmt, true);
}
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