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🎥 Command line media player
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216/* * 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 <stdlib.h>#include <stdio.h>#include <string.h>#include <stdbool.h>#include <math.h>#include <assert.h>
#include "config.h"#include "common/common.h"#include "common/msg.h"#include "options/options.h"#include "options/m_option.h"#include "video/out/vo.h"
#include "context.h"#include "spirv.h"
/* OpenGL */extern const struct ra_ctx_fns ra_ctx_glx;extern const struct ra_ctx_fns ra_ctx_x11_egl;extern const struct ra_ctx_fns ra_ctx_drm_egl;extern const struct ra_ctx_fns ra_ctx_cocoa;extern const struct ra_ctx_fns ra_ctx_wayland_egl;extern const struct ra_ctx_fns ra_ctx_wgl;extern const struct ra_ctx_fns ra_ctx_angle;extern const struct ra_ctx_fns ra_ctx_dxgl;extern const struct ra_ctx_fns ra_ctx_rpi;extern const struct ra_ctx_fns ra_ctx_android;
/* Vulkan */extern const struct ra_ctx_fns ra_ctx_vulkan_wayland;extern const struct ra_ctx_fns ra_ctx_vulkan_win;extern const struct ra_ctx_fns ra_ctx_vulkan_xlib;extern const struct ra_ctx_fnd ra_ctx_vulkan_android;
/* Direct3D 11 */extern const struct ra_ctx_fns ra_ctx_d3d11;
static const struct ra_ctx_fns *contexts[] = {#if HAVE_D3D11 &ra_ctx_d3d11,#endif
// OpenGL contexts:#if HAVE_EGL_ANDROID &ra_ctx_android,#endif#if HAVE_RPI &ra_ctx_rpi,#endif#if HAVE_GL_COCOA &ra_ctx_cocoa,#endif#if HAVE_EGL_ANGLE_WIN32 &ra_ctx_angle,#endif#if HAVE_GL_WIN32 &ra_ctx_wgl,#endif#if HAVE_GL_DXINTEROP &ra_ctx_dxgl,#endif#if HAVE_GL_WAYLAND &ra_ctx_wayland_egl,#endif#if HAVE_EGL_X11 &ra_ctx_x11_egl,#endif#if HAVE_GL_X11 &ra_ctx_glx,#endif#if HAVE_EGL_DRM &ra_ctx_drm_egl,#endif
// Vulkan contexts:#if HAVE_VULKAN
#if HAVE_ANDROID &ra_ctx_vulkan_android,#endif#if HAVE_WIN32_DESKTOP &ra_ctx_vulkan_win,#endif#if HAVE_WAYLAND &ra_ctx_vulkan_wayland,#endif#if HAVE_X11 &ra_ctx_vulkan_xlib,#endif
#endif};
int ra_ctx_validate_api(struct mp_log *log, const struct m_option *opt, struct bstr name, struct bstr param){ if (bstr_equals0(param, "help")) { mp_info(log, "GPU APIs (contexts):\n"); mp_info(log, " auto (autodetect)\n"); for (int n = 0; n < MP_ARRAY_SIZE(contexts); n++) mp_info(log, " %s (%s)\n", contexts[n]->type, contexts[n]->name); return M_OPT_EXIT; } if (bstr_equals0(param, "auto")) return 1; for (int i = 0; i < MP_ARRAY_SIZE(contexts); i++) { if (bstr_equals0(param, contexts[i]->type)) return 1; } return M_OPT_INVALID;}
int ra_ctx_validate_context(struct mp_log *log, const struct m_option *opt, struct bstr name, struct bstr param){ if (bstr_equals0(param, "help")) { mp_info(log, "GPU contexts (APIs):\n"); mp_info(log, " auto (autodetect)\n"); for (int n = 0; n < MP_ARRAY_SIZE(contexts); n++) mp_info(log, " %s (%s)\n", contexts[n]->name, contexts[n]->type); return M_OPT_EXIT; } if (bstr_equals0(param, "auto")) return 1; for (int i = 0; i < MP_ARRAY_SIZE(contexts); i++) { if (bstr_equals0(param, contexts[i]->name)) return 1; } return M_OPT_INVALID;}
// Create a VO window and create a RA context on it.// vo_flags: passed to the backend's create window functionstruct ra_ctx *ra_ctx_create(struct vo *vo, const char *context_type, const char *context_name, struct ra_ctx_opts opts){ bool api_auto = !context_type || strcmp(context_type, "auto") == 0; bool ctx_auto = !context_name || strcmp(context_name, "auto") == 0;
if (ctx_auto) { MP_VERBOSE(vo, "Probing for best GPU context.\n"); opts.probing = true; }
// Hack to silence backend (X11/Wayland/etc.) errors. Kill it once backends // are separate from `struct vo` bool old_probing = vo->probing; vo->probing = opts.probing;
for (int i = 0; i < MP_ARRAY_SIZE(contexts); i++) { if (!opts.probing && strcmp(contexts[i]->name, context_name) != 0) continue; if (!api_auto && strcmp(contexts[i]->type, context_type) != 0) continue;
struct ra_ctx *ctx = talloc_ptrtype(NULL, ctx); *ctx = (struct ra_ctx) { .vo = vo, .global = vo->global, .log = mp_log_new(ctx, vo->log, contexts[i]->type), .opts = opts, .fns = contexts[i], };
MP_VERBOSE(ctx, "Initializing GPU context '%s'\n", ctx->fns->name); if (contexts[i]->init(ctx)) { vo->probing = old_probing; return ctx; }
talloc_free(ctx); }
vo->probing = old_probing;
// If we've reached this point, then none of the contexts matched the name // requested, or the backend creation failed for all of them. if (!vo->probing) MP_ERR(vo, "Failed initializing any suitable GPU context!\n"); return NULL;}
void ra_ctx_destroy(struct ra_ctx **ctx_ptr){ struct ra_ctx *ctx = *ctx_ptr; if (!ctx) return;
if (ctx->spirv && ctx->spirv->fns->uninit) ctx->spirv->fns->uninit(ctx);
ctx->fns->uninit(ctx); talloc_free(ctx);
*ctx_ptr = NULL;}