mpv/video/out/gpu/hwdec.c

240 lines
7.3 KiB
C

/*
* 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 <stddef.h>
#include <string.h>
#include "config.h"
#include "common/common.h"
#include "common/msg.h"
#include "options/m_config.h"
#include "hwdec.h"
extern const struct ra_hwdec_driver ra_hwdec_vaegl;
extern const struct ra_hwdec_driver ra_hwdec_vaglx;
extern const struct ra_hwdec_driver ra_hwdec_videotoolbox;
extern const struct ra_hwdec_driver ra_hwdec_vdpau;
extern const struct ra_hwdec_driver ra_hwdec_dxva2egl;
extern const struct ra_hwdec_driver ra_hwdec_d3d11egl;
extern const struct ra_hwdec_driver ra_hwdec_d3d11eglrgb;
extern const struct ra_hwdec_driver ra_hwdec_dxva2gldx;
extern const struct ra_hwdec_driver ra_hwdec_dxva2;
extern const struct ra_hwdec_driver ra_hwdec_cuda;
extern const struct ra_hwdec_driver ra_hwdec_rpi_overlay;
static const struct ra_hwdec_driver *const mpgl_hwdec_drivers[] = {
#if HAVE_VAAPI_EGL
&ra_hwdec_vaegl,
#endif
#if HAVE_VAAPI_GLX
&ra_hwdec_vaglx,
#endif
#if HAVE_VDPAU_GL_X11
&ra_hwdec_vdpau,
#endif
#if HAVE_VIDEOTOOLBOX_GL || HAVE_IOS_GL
&ra_hwdec_videotoolbox,
#endif
#if HAVE_D3D_HWACCEL
&ra_hwdec_d3d11egl,
&ra_hwdec_d3d11eglrgb,
#if HAVE_D3D9_HWACCEL
&ra_hwdec_dxva2egl,
#endif
#endif
#if HAVE_GL_DXINTEROP_D3D9
&ra_hwdec_dxva2gldx,
#endif
#if HAVE_CUDA_HWACCEL
&ra_hwdec_cuda,
#endif
#if HAVE_RPI
&ra_hwdec_rpi_overlay,
#endif
NULL
};
static struct ra_hwdec *load_hwdec_driver(struct mp_log *log, struct ra *ra,
struct mpv_global *global,
struct mp_hwdec_devices *devs,
const struct ra_hwdec_driver *drv,
bool is_auto)
{
struct ra_hwdec *hwdec = talloc(NULL, struct ra_hwdec);
*hwdec = (struct ra_hwdec) {
.driver = drv,
.log = mp_log_new(hwdec, log, drv->name),
.global = global,
.ra = ra,
.devs = devs,
.probing = is_auto,
.priv = talloc_zero_size(hwdec, drv->priv_size),
};
mp_verbose(log, "Loading hwdec driver '%s'\n", drv->name);
if (hwdec->driver->init(hwdec) < 0) {
ra_hwdec_uninit(hwdec);
mp_verbose(log, "Loading failed.\n");
return NULL;
}
return hwdec;
}
struct ra_hwdec *ra_hwdec_load_api(struct mp_log *log, struct ra *ra,
struct mpv_global *g,
struct mp_hwdec_devices *devs,
enum hwdec_type api)
{
bool is_auto = HWDEC_IS_AUTO(api);
for (int n = 0; mpgl_hwdec_drivers[n]; n++) {
const struct ra_hwdec_driver *drv = mpgl_hwdec_drivers[n];
if ((is_auto || api == drv->api) && !drv->testing_only) {
struct ra_hwdec *r = load_hwdec_driver(log, ra, g, devs, drv, is_auto);
if (r)
return r;
}
}
return NULL;
}
// Load by option name.
struct ra_hwdec *ra_hwdec_load(struct mp_log *log, struct ra *ra,
struct mpv_global *g,
struct mp_hwdec_devices *devs,
const char *name)
{
int g_hwdec_api;
mp_read_option_raw(g, "hwdec", &m_option_type_choice, &g_hwdec_api);
if (!name || !name[0])
name = m_opt_choice_str(mp_hwdec_names, g_hwdec_api);
int api_id = HWDEC_NONE;
for (int n = 0; mp_hwdec_names[n].name; n++) {
if (name && strcmp(mp_hwdec_names[n].name, name) == 0)
api_id = mp_hwdec_names[n].value;
}
for (int n = 0; mpgl_hwdec_drivers[n]; n++) {
const struct ra_hwdec_driver *drv = mpgl_hwdec_drivers[n];
if (name && strcmp(drv->name, name) == 0) {
struct ra_hwdec *r = load_hwdec_driver(log, ra, g, devs, drv, false);
if (r)
return r;
}
}
return ra_hwdec_load_api(log, ra, g, devs, api_id);
}
int ra_hwdec_validate_opt(struct mp_log *log, const m_option_t *opt,
struct bstr name, struct bstr param)
{
bool help = bstr_equals0(param, "help");
if (help)
mp_info(log, "Available hwdecs:\n");
for (int n = 0; mpgl_hwdec_drivers[n]; n++) {
const struct ra_hwdec_driver *drv = mpgl_hwdec_drivers[n];
const char *api_name = m_opt_choice_str(mp_hwdec_names, drv->api);
if (help) {
mp_info(log, " %s [%s]\n", drv->name, api_name);
} else if (bstr_equals0(param, drv->name) ||
bstr_equals0(param, api_name))
{
return 1;
}
}
if (help) {
mp_info(log, " auto (loads best)\n"
" (other --hwdec values)\n"
"Setting an empty string means use --hwdec.\n");
return M_OPT_EXIT;
}
if (!param.len)
return 1; // "" is treated specially
for (int n = 0; mp_hwdec_names[n].name; n++) {
if (bstr_equals0(param, mp_hwdec_names[n].name))
return 1;
}
mp_fatal(log, "No hwdec backend named '%.*s' found!\n", BSTR_P(param));
return M_OPT_INVALID;
}
void ra_hwdec_uninit(struct ra_hwdec *hwdec)
{
if (hwdec)
hwdec->driver->uninit(hwdec);
talloc_free(hwdec);
}
bool ra_hwdec_test_format(struct ra_hwdec *hwdec, int imgfmt)
{
for (int n = 0; hwdec->driver->imgfmts[n]; n++) {
if (hwdec->driver->imgfmts[n] == imgfmt)
return true;
}
return false;
}
struct ra_hwdec_mapper *ra_hwdec_mapper_create(struct ra_hwdec *hwdec,
struct mp_image_params *params)
{
assert(ra_hwdec_test_format(hwdec, params->imgfmt));
struct ra_hwdec_mapper *mapper = talloc_ptrtype(NULL, mapper);
*mapper = (struct ra_hwdec_mapper){
.owner = hwdec,
.driver = hwdec->driver->mapper,
.log = hwdec->log,
.ra = hwdec->ra,
.priv = talloc_zero_size(mapper, hwdec->driver->mapper->priv_size),
.src_params = *params,
.dst_params = *params,
};
if (mapper->driver->init(mapper) < 0)
ra_hwdec_mapper_free(&mapper);
return mapper;
}
void ra_hwdec_mapper_free(struct ra_hwdec_mapper **mapper)
{
struct ra_hwdec_mapper *p = *mapper;
if (p) {
ra_hwdec_mapper_unmap(p);
p->driver->uninit(p);
talloc_free(p);
}
*mapper = NULL;
}
void ra_hwdec_mapper_unmap(struct ra_hwdec_mapper *mapper)
{
if (mapper->driver->unmap)
mapper->driver->unmap(mapper);
mp_image_unrefp(&mapper->src);
}
int ra_hwdec_mapper_map(struct ra_hwdec_mapper *mapper, struct mp_image *img)
{
ra_hwdec_mapper_unmap(mapper);
mp_image_setrefp(&mapper->src, img);
if (mapper->driver->map(mapper) < 0) {
ra_hwdec_mapper_unmap(mapper);
return -1;
}
return 0;
}