mirror of https://github.com/mpv-player/mpv
240 lines
7.3 KiB
C
240 lines
7.3 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_d3d11eglrgb;
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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_cuda;
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extern const struct ra_hwdec_driver ra_hwdec_rpi_overlay;
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static const struct ra_hwdec_driver *const mpgl_hwdec_drivers[] = {
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#if HAVE_VAAPI_EGL
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&ra_hwdec_vaegl,
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#endif
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#if HAVE_VAAPI_GLX
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&ra_hwdec_vaglx,
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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_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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&ra_hwdec_d3d11egl,
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&ra_hwdec_d3d11eglrgb,
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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_GL_DXINTEROP_D3D9
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&ra_hwdec_dxva2gldx,
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#endif
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#if HAVE_CUDA_HWACCEL
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&ra_hwdec_cuda,
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#endif
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#if HAVE_RPI
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&ra_hwdec_rpi_overlay,
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#endif
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NULL
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};
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static struct ra_hwdec *load_hwdec_driver(struct mp_log *log, struct ra *ra,
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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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struct ra_hwdec *ra_hwdec_load_api(struct mp_log *log, struct ra *ra,
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struct mpv_global *g,
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struct mp_hwdec_devices *devs,
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enum hwdec_type api)
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{
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bool is_auto = HWDEC_IS_AUTO(api);
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for (int n = 0; mpgl_hwdec_drivers[n]; n++) {
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const struct ra_hwdec_driver *drv = mpgl_hwdec_drivers[n];
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if ((is_auto || api == drv->api) && !drv->testing_only) {
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struct ra_hwdec *r = load_hwdec_driver(log, ra, g, devs, drv, is_auto);
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if (r)
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return r;
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}
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}
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return NULL;
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}
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// Load by option name.
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struct ra_hwdec *ra_hwdec_load(struct mp_log *log, struct ra *ra,
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struct mpv_global *g,
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struct mp_hwdec_devices *devs,
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const char *name)
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{
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int g_hwdec_api;
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mp_read_option_raw(g, "hwdec", &m_option_type_choice, &g_hwdec_api);
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if (!name || !name[0])
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name = m_opt_choice_str(mp_hwdec_names, g_hwdec_api);
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int api_id = HWDEC_NONE;
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for (int n = 0; mp_hwdec_names[n].name; n++) {
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if (name && strcmp(mp_hwdec_names[n].name, name) == 0)
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api_id = mp_hwdec_names[n].value;
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}
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for (int n = 0; mpgl_hwdec_drivers[n]; n++) {
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const struct ra_hwdec_driver *drv = mpgl_hwdec_drivers[n];
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if (name && strcmp(drv->name, name) == 0) {
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struct ra_hwdec *r = load_hwdec_driver(log, ra, g, devs, drv, false);
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if (r)
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return r;
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}
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}
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return ra_hwdec_load_api(log, ra, g, devs, api_id);
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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, struct bstr param)
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{
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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; mpgl_hwdec_drivers[n]; n++) {
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const struct ra_hwdec_driver *drv = mpgl_hwdec_drivers[n];
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const char *api_name = m_opt_choice_str(mp_hwdec_names, drv->api);
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if (help) {
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mp_info(log, " %s [%s]\n", drv->name, api_name);
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} else if (bstr_equals0(param, drv->name) ||
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bstr_equals0(param, api_name))
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{
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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 (loads best)\n"
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" (other --hwdec values)\n"
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"Setting an empty string means use --hwdec.\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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for (int n = 0; mp_hwdec_names[n].name; n++) {
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if (bstr_equals0(param, mp_hwdec_names[n].name))
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return 1;
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}
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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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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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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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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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