mirror of https://github.com/mpv-player/mpv
324 lines
9.6 KiB
C
324 lines
9.6 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stddef.h>
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#include <string.h>
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#include "config.h"
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#include "common/common.h"
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#include "common/msg.h"
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#include "options/m_config.h"
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#include "hwdec.h"
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extern const struct ra_hwdec_driver ra_hwdec_vaegl;
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extern const struct ra_hwdec_driver ra_hwdec_vaglx;
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extern const struct ra_hwdec_driver ra_hwdec_videotoolbox;
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extern const struct ra_hwdec_driver ra_hwdec_vdpau;
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extern const struct ra_hwdec_driver ra_hwdec_dxva2egl;
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extern const struct ra_hwdec_driver ra_hwdec_d3d11egl;
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extern const struct ra_hwdec_driver ra_hwdec_dxva2gldx;
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extern const struct ra_hwdec_driver ra_hwdec_dxva2;
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extern const struct ra_hwdec_driver ra_hwdec_d3d11va;
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extern const struct ra_hwdec_driver ra_hwdec_dxva2dxgi;
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extern const struct ra_hwdec_driver ra_hwdec_cuda;
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extern const struct ra_hwdec_driver ra_hwdec_cuda_nvdec;
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extern const struct ra_hwdec_driver ra_hwdec_rpi_overlay;
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extern const struct ra_hwdec_driver ra_hwdec_drmprime_drm;
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const struct ra_hwdec_driver *const ra_hwdec_drivers[] = {
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#if HAVE_VAAPI_EGL || HAVE_VAAPI_LIBPLACEBO
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&ra_hwdec_vaegl,
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#endif
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#if HAVE_VIDEOTOOLBOX_GL || HAVE_IOS_GL
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&ra_hwdec_videotoolbox,
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#endif
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#if HAVE_D3D_HWACCEL
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#if HAVE_EGL_ANGLE
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&ra_hwdec_d3d11egl,
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#if HAVE_D3D9_HWACCEL
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&ra_hwdec_dxva2egl,
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#endif
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#endif
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#if HAVE_D3D11
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&ra_hwdec_d3d11va,
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#if HAVE_D3D9_HWACCEL
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&ra_hwdec_dxva2dxgi,
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#endif
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#endif
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#endif
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#if HAVE_GL_DXINTEROP_D3D9
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&ra_hwdec_dxva2gldx,
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#endif
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#if HAVE_CUDA_INTEROP
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&ra_hwdec_cuda,
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#endif
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#if HAVE_VDPAU_GL_X11
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&ra_hwdec_vdpau,
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#endif
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#if HAVE_RPI_MMAL
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&ra_hwdec_rpi_overlay,
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#endif
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#if HAVE_DRM
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&ra_hwdec_drmprime_drm,
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#endif
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NULL
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};
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struct ra_hwdec *ra_hwdec_load_driver(struct ra *ra, struct mp_log *log,
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struct mpv_global *global,
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struct mp_hwdec_devices *devs,
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const struct ra_hwdec_driver *drv,
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bool is_auto)
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{
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struct ra_hwdec *hwdec = talloc(NULL, struct ra_hwdec);
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*hwdec = (struct ra_hwdec) {
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.driver = drv,
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.log = mp_log_new(hwdec, log, drv->name),
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.global = global,
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.ra = ra,
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.devs = devs,
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.probing = is_auto,
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.priv = talloc_zero_size(hwdec, drv->priv_size),
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};
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mp_verbose(log, "Loading hwdec driver '%s'\n", drv->name);
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if (hwdec->driver->init(hwdec) < 0) {
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ra_hwdec_uninit(hwdec);
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mp_verbose(log, "Loading failed.\n");
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return NULL;
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}
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return hwdec;
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}
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void ra_hwdec_uninit(struct ra_hwdec *hwdec)
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{
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if (hwdec)
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hwdec->driver->uninit(hwdec);
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talloc_free(hwdec);
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}
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bool ra_hwdec_test_format(struct ra_hwdec *hwdec, int imgfmt)
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{
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for (int n = 0; hwdec->driver->imgfmts[n]; n++) {
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if (hwdec->driver->imgfmts[n] == imgfmt)
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return true;
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}
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return false;
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}
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struct ra_hwdec_mapper *ra_hwdec_mapper_create(struct ra_hwdec *hwdec,
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const struct mp_image_params *params)
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{
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assert(ra_hwdec_test_format(hwdec, params->imgfmt));
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struct ra_hwdec_mapper *mapper = talloc_ptrtype(NULL, mapper);
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*mapper = (struct ra_hwdec_mapper){
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.owner = hwdec,
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.driver = hwdec->driver->mapper,
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.log = hwdec->log,
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.ra = hwdec->ra,
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.priv = talloc_zero_size(mapper, hwdec->driver->mapper->priv_size),
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.src_params = *params,
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.dst_params = *params,
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};
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if (mapper->driver->init(mapper) < 0)
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ra_hwdec_mapper_free(&mapper);
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return mapper;
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}
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void ra_hwdec_mapper_free(struct ra_hwdec_mapper **mapper)
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{
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struct ra_hwdec_mapper *p = *mapper;
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if (p) {
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ra_hwdec_mapper_unmap(p);
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p->driver->uninit(p);
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talloc_free(p);
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}
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*mapper = NULL;
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}
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void ra_hwdec_mapper_unmap(struct ra_hwdec_mapper *mapper)
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{
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if (mapper->driver->unmap)
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mapper->driver->unmap(mapper);
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// Clean up after the image if the mapper didn't already
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mp_image_unrefp(&mapper->src);
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}
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int ra_hwdec_mapper_map(struct ra_hwdec_mapper *mapper, struct mp_image *img)
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{
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ra_hwdec_mapper_unmap(mapper);
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mp_image_setrefp(&mapper->src, img);
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if (mapper->driver->map(mapper) < 0) {
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ra_hwdec_mapper_unmap(mapper);
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return -1;
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}
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return 0;
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}
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int ra_hwdec_validate_opt(struct mp_log *log, const m_option_t *opt,
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struct bstr name, const char **value)
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{
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struct bstr param = bstr0(*value);
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bool help = bstr_equals0(param, "help");
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if (help)
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mp_info(log, "Available hwdecs:\n");
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for (int n = 0; ra_hwdec_drivers[n]; n++) {
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const struct ra_hwdec_driver *drv = ra_hwdec_drivers[n];
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if (help) {
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mp_info(log, " %s\n", drv->name);
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} else if (bstr_equals0(param, drv->name)) {
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return 1;
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}
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}
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if (help) {
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mp_info(log, " auto (behavior depends on context)\n"
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" all (load all hwdecs)\n"
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" no (do not load any and block loading on demand)\n");
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return M_OPT_EXIT;
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}
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if (!param.len)
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return 1; // "" is treated specially
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if (bstr_equals0(param, "all") || bstr_equals0(param, "auto") ||
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bstr_equals0(param, "no"))
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return 1;
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mp_fatal(log, "No hwdec backend named '%.*s' found!\n", BSTR_P(param));
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return M_OPT_INVALID;
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}
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static void load_add_hwdec(struct ra_hwdec_ctx *ctx, struct mp_hwdec_devices *devs,
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const struct ra_hwdec_driver *drv, bool is_auto)
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{
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// Don't load duplicate hwdecs
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for (int j = 0; j < ctx->num_hwdecs; j++) {
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if (ctx->hwdecs[j]->driver == drv)
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return;
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}
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struct ra_hwdec *hwdec =
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ra_hwdec_load_driver(ctx->ra, ctx->log, ctx->global, devs, drv, is_auto);
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if (hwdec)
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MP_TARRAY_APPEND(NULL, ctx->hwdecs, ctx->num_hwdecs, hwdec);
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}
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static void load_hwdecs_all(struct ra_hwdec_ctx *ctx, struct mp_hwdec_devices *devs)
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{
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if (!ctx->loading_done) {
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for (int n = 0; ra_hwdec_drivers[n]; n++)
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load_add_hwdec(ctx, devs, ra_hwdec_drivers[n], true);
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ctx->loading_done = true;
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}
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}
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void ra_hwdec_ctx_init(struct ra_hwdec_ctx *ctx, struct mp_hwdec_devices *devs,
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const char *type, bool load_all_by_default)
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{
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assert(ctx->ra);
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/*
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* By default, or if the option value is "auto", we will not pre-emptively
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* load any interops, and instead allow them to be loaded on-demand.
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*
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* If the option value is "no", then no interops will be loaded now, and
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* no interops will be loaded, even if requested later.
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*
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* If the option value is "all", then all interops will be loaded now, and
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* obviously no interops will need to be loaded later.
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*
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* Finally, if a specific interop is requested, it will be loaded now, and
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* no other interop will be loaded, even if requested later.
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*/
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if (!type || !type[0] || strcmp(type, "auto") == 0) {
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if (!load_all_by_default)
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return;
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type = "all";
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}
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if (strcmp(type, "no") == 0) {
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// do nothing, just block further loading
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} else if (strcmp(type, "all") == 0) {
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load_hwdecs_all(ctx, devs);
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} else {
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for (int n = 0; ra_hwdec_drivers[n]; n++) {
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const struct ra_hwdec_driver *drv = ra_hwdec_drivers[n];
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if (strcmp(type, drv->name) == 0) {
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load_add_hwdec(ctx, devs, drv, false);
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break;
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}
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}
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}
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ctx->loading_done = true;
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}
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void ra_hwdec_ctx_uninit(struct ra_hwdec_ctx *ctx)
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{
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for (int n = 0; n < ctx->num_hwdecs; n++)
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ra_hwdec_uninit(ctx->hwdecs[n]);
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talloc_free(ctx->hwdecs);
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memset(ctx, 0, sizeof(*ctx));
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}
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void ra_hwdec_ctx_load_fmt(struct ra_hwdec_ctx *ctx, struct mp_hwdec_devices *devs,
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struct hwdec_imgfmt_request *params)
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{
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int imgfmt = params->imgfmt;
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if (ctx->loading_done) {
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/*
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* If we previously marked interop loading as done (for reasons
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* discussed above), then do not load any other interops regardless
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* of imgfmt.
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*/
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return;
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}
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if (imgfmt == IMGFMT_NONE) {
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MP_VERBOSE(ctx, "Loading hwdec drivers for all formats\n");
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load_hwdecs_all(ctx, devs);
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return;
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}
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MP_VERBOSE(ctx, "Loading hwdec drivers for format: '%s'\n",
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mp_imgfmt_to_name(imgfmt));
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for (int i = 0; ra_hwdec_drivers[i]; i++) {
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bool matched_fmt = false;
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const struct ra_hwdec_driver *drv = ra_hwdec_drivers[i];
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for (int j = 0; drv->imgfmts[j]; j++) {
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if (imgfmt == drv->imgfmts[j]) {
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matched_fmt = true;
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break;
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}
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}
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if (!matched_fmt) {
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continue;
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}
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load_add_hwdec(ctx, devs, drv, params->probing);
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}
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}
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struct ra_hwdec *ra_hwdec_get(struct ra_hwdec_ctx *ctx, int imgfmt)
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{
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for (int n = 0; n < ctx->num_hwdecs; n++) {
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if (ra_hwdec_test_format(ctx->hwdecs[n], imgfmt))
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return ctx->hwdecs[n];
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}
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return NULL;
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}
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