summaryrefslogtreecommitdiffstats
path: root/video/out/gpu/hwdec.c
diff options
context:
space:
mode:
Diffstat (limited to 'video/out/gpu/hwdec.c')
-rw-r--r--video/out/gpu/hwdec.c358
1 files changed, 358 insertions, 0 deletions
diff --git a/video/out/gpu/hwdec.c b/video/out/gpu/hwdec.c
new file mode 100644
index 0000000..c8098f3
--- /dev/null
+++ b/video/out/gpu/hwdec.c
@@ -0,0 +1,358 @@
+/*
+ * 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_vaapi;
+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_dxva2gldx;
+extern const struct ra_hwdec_driver ra_hwdec_d3d11va;
+extern const struct ra_hwdec_driver ra_hwdec_dxva2dxgi;
+extern const struct ra_hwdec_driver ra_hwdec_cuda;
+extern const struct ra_hwdec_driver ra_hwdec_rpi_overlay;
+extern const struct ra_hwdec_driver ra_hwdec_drmprime;
+extern const struct ra_hwdec_driver ra_hwdec_drmprime_overlay;
+extern const struct ra_hwdec_driver ra_hwdec_aimagereader;
+extern const struct ra_hwdec_driver ra_hwdec_vulkan;
+
+const struct ra_hwdec_driver *const ra_hwdec_drivers[] = {
+#if HAVE_VAAPI
+ &ra_hwdec_vaapi,
+#endif
+#if HAVE_VIDEOTOOLBOX_GL || HAVE_IOS_GL || HAVE_VIDEOTOOLBOX_PL
+ &ra_hwdec_videotoolbox,
+#endif
+#if HAVE_D3D_HWACCEL
+ #if HAVE_EGL_ANGLE
+ &ra_hwdec_d3d11egl,
+ #if HAVE_D3D9_HWACCEL
+ &ra_hwdec_dxva2egl,
+ #endif
+ #endif
+ #if HAVE_D3D11
+ &ra_hwdec_d3d11va,
+ #if HAVE_D3D9_HWACCEL
+ &ra_hwdec_dxva2dxgi,
+ #endif
+ #endif
+#endif
+#if HAVE_GL_DXINTEROP_D3D9
+ &ra_hwdec_dxva2gldx,
+#endif
+#if HAVE_CUDA_INTEROP
+ &ra_hwdec_cuda,
+#endif
+#if HAVE_VDPAU_GL_X11
+ &ra_hwdec_vdpau,
+#endif
+#if HAVE_RPI_MMAL
+ &ra_hwdec_rpi_overlay,
+#endif
+#if HAVE_DRM
+ &ra_hwdec_drmprime,
+ &ra_hwdec_drmprime_overlay,
+#endif
+#if HAVE_ANDROID_MEDIA_NDK
+ &ra_hwdec_aimagereader,
+#endif
+#if HAVE_VULKAN_INTEROP
+ &ra_hwdec_vulkan,
+#endif
+
+ NULL
+};
+
+struct ra_hwdec *ra_hwdec_load_driver(struct ra_ctx *ra_ctx,
+ struct mp_log *log,
+ 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_ctx = ra_ctx,
+ .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;
+}
+
+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,
+ const 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_ctx->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);
+
+ // Clean up after the image if the mapper didn't already
+ 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;
+}
+
+static int ra_hwdec_validate_opt_full(struct mp_log *log, bool include_modes,
+ const m_option_t *opt,
+ struct bstr name, const char **value)
+{
+ struct bstr param = bstr0(*value);
+ bool help = bstr_equals0(param, "help");
+ if (help)
+ mp_info(log, "Available hwdecs:\n");
+ for (int n = 0; ra_hwdec_drivers[n]; n++) {
+ const struct ra_hwdec_driver *drv = ra_hwdec_drivers[n];
+ if (help) {
+ mp_info(log, " %s\n", drv->name);
+ } else if (bstr_equals0(param, drv->name)) {
+ return 1;
+ }
+ }
+ if (help) {
+ if (include_modes) {
+ mp_info(log, " auto (behavior depends on context)\n"
+ " all (load all hwdecs)\n"
+ " no (do not load any and block loading on demand)\n");
+ }
+ return M_OPT_EXIT;
+ }
+ if (!param.len)
+ return 1; // "" is treated specially
+ if (include_modes &&
+ (bstr_equals0(param, "all") || bstr_equals0(param, "auto") ||
+ bstr_equals0(param, "no")))
+ return 1;
+ mp_fatal(log, "No hwdec backend named '%.*s' found!\n", BSTR_P(param));
+ return M_OPT_INVALID;
+}
+
+int ra_hwdec_validate_opt(struct mp_log *log, const m_option_t *opt,
+ struct bstr name, const char **value)
+{
+ return ra_hwdec_validate_opt_full(log, true, opt, name, value);
+}
+
+int ra_hwdec_validate_drivers_only_opt(struct mp_log *log,
+ const m_option_t *opt,
+ struct bstr name, const char **value)
+{
+ return ra_hwdec_validate_opt_full(log, false, opt, name, value);
+}
+
+static void load_add_hwdec(struct ra_hwdec_ctx *ctx, struct mp_hwdec_devices *devs,
+ const struct ra_hwdec_driver *drv, bool is_auto)
+{
+ // Don't load duplicate hwdecs
+ for (int j = 0; j < ctx->num_hwdecs; j++) {
+ if (ctx->hwdecs[j]->driver == drv)
+ return;
+ }
+
+ struct ra_hwdec *hwdec =
+ ra_hwdec_load_driver(ctx->ra_ctx, ctx->log, ctx->global, devs, drv, is_auto);
+ if (hwdec)
+ MP_TARRAY_APPEND(NULL, ctx->hwdecs, ctx->num_hwdecs, hwdec);
+}
+
+static void load_hwdecs_all(struct ra_hwdec_ctx *ctx, struct mp_hwdec_devices *devs)
+{
+ if (!ctx->loading_done) {
+ for (int n = 0; ra_hwdec_drivers[n]; n++)
+ load_add_hwdec(ctx, devs, ra_hwdec_drivers[n], true);
+ ctx->loading_done = true;
+ }
+}
+
+void ra_hwdec_ctx_init(struct ra_hwdec_ctx *ctx, struct mp_hwdec_devices *devs,
+ const char *type, bool load_all_by_default)
+{
+ assert(ctx->ra_ctx);
+
+ /*
+ * By default, or if the option value is "auto", we will not pre-emptively
+ * load any interops, and instead allow them to be loaded on-demand.
+ *
+ * If the option value is "no", then no interops will be loaded now, and
+ * no interops will be loaded, even if requested later.
+ *
+ * If the option value is "all", then all interops will be loaded now, and
+ * obviously no interops will need to be loaded later.
+ *
+ * Finally, if a specific interop is requested, it will be loaded now, and
+ * other interops can be loaded, if requested later.
+ */
+ if (!type || !type[0] || strcmp(type, "auto") == 0) {
+ if (!load_all_by_default)
+ return;
+ type = "all";
+ }
+ if (strcmp(type, "no") == 0) {
+ // do nothing, just block further loading
+ } else if (strcmp(type, "all") == 0) {
+ load_hwdecs_all(ctx, devs);
+ } else {
+ for (int n = 0; ra_hwdec_drivers[n]; n++) {
+ const struct ra_hwdec_driver *drv = ra_hwdec_drivers[n];
+ if (strcmp(type, drv->name) == 0) {
+ load_add_hwdec(ctx, devs, drv, false);
+ break;
+ }
+ }
+ }
+ ctx->loading_done = true;
+}
+
+void ra_hwdec_ctx_uninit(struct ra_hwdec_ctx *ctx)
+{
+ for (int n = 0; n < ctx->num_hwdecs; n++)
+ ra_hwdec_uninit(ctx->hwdecs[n]);
+
+ talloc_free(ctx->hwdecs);
+ memset(ctx, 0, sizeof(*ctx));
+}
+
+void ra_hwdec_ctx_load_fmt(struct ra_hwdec_ctx *ctx, struct mp_hwdec_devices *devs,
+ struct hwdec_imgfmt_request *params)
+{
+ int imgfmt = params->imgfmt;
+ if (ctx->loading_done) {
+ /*
+ * If we previously marked interop loading as done (for reasons
+ * discussed above), then do not load any other interops regardless
+ * of imgfmt.
+ */
+ return;
+ }
+
+ if (imgfmt == IMGFMT_NONE) {
+ MP_VERBOSE(ctx, "Loading hwdec drivers for all formats\n");
+ load_hwdecs_all(ctx, devs);
+ return;
+ }
+
+ MP_VERBOSE(ctx, "Loading hwdec drivers for format: '%s'\n",
+ mp_imgfmt_to_name(imgfmt));
+ for (int i = 0; ra_hwdec_drivers[i]; i++) {
+ bool matched_fmt = false;
+ const struct ra_hwdec_driver *drv = ra_hwdec_drivers[i];
+ for (int j = 0; drv->imgfmts[j]; j++) {
+ if (imgfmt == drv->imgfmts[j]) {
+ matched_fmt = true;
+ break;
+ }
+ }
+ if (!matched_fmt) {
+ continue;
+ }
+
+ load_add_hwdec(ctx, devs, drv, params->probing);
+ }
+}
+
+struct ra_hwdec *ra_hwdec_get(struct ra_hwdec_ctx *ctx, int imgfmt)
+{
+ for (int n = 0; n < ctx->num_hwdecs; n++) {
+ if (ra_hwdec_test_format(ctx->hwdecs[n], imgfmt))
+ return ctx->hwdecs[n];
+ }
+
+ return NULL;
+}
+
+int ra_hwdec_driver_get_imgfmt_for_name(const char *name)
+{
+ for (int i = 0; ra_hwdec_drivers[i]; i++) {
+ if (!strcmp(ra_hwdec_drivers[i]->name, name)) {
+ return ra_hwdec_drivers[i]->imgfmts[0];
+ }
+ }
+ return IMGFMT_NONE;
+}