mirror of
https://github.com/mpv-player/mpv
synced 2024-12-21 06:14:32 +00:00
276 lines
8.6 KiB
C
276 lines
8.6 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <assert.h>
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#include "vdpau.h"
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#include "osdep/timer.h"
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#include "video/out/x11_common.h"
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#include "video/img_format.h"
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#include "video/mp_image.h"
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static void mark_vdpau_objects_uninitialized(struct mp_vdpau_ctx *ctx)
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{
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for (int i = 0; i < MAX_VIDEO_SURFACES; i++)
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ctx->video_surfaces[i].surface = VDP_INVALID_HANDLE;
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ctx->vdp_device = VDP_INVALID_HANDLE;
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}
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static void preemption_callback(VdpDevice device, void *context)
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{
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struct mp_vdpau_ctx *ctx = context;
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ctx->is_preempted = true;
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}
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static int win_x11_init_vdpau_procs(struct mp_vdpau_ctx *ctx)
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{
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struct vo_x11_state *x11 = ctx->x11;
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VdpStatus vdp_st;
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// Don't operate on ctx->vdp directly, so that even if init fails, ctx->vdp
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// will have the function pointers from the previous successful init, and
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// won't randomly make other code crash on calling NULL pointers.
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struct vdp_functions vdp = {0};
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if (!x11)
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return -1;
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struct vdp_function {
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const int id;
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int offset;
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};
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static const struct vdp_function vdp_func[] = {
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#define VDP_FUNCTION(_, macro_name, mp_name) {macro_name, offsetof(struct vdp_functions, mp_name)},
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#include "video/vdpau_functions.inc"
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#undef VDP_FUNCTION
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{0, -1}
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};
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VdpGetProcAddress *get_proc_address;
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vdp_st = vdp_device_create_x11(x11->display, x11->screen, &ctx->vdp_device,
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&get_proc_address);
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if (vdp_st != VDP_STATUS_OK) {
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if (ctx->is_preempted)
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MP_DBG(ctx, "Error calling vdp_device_create_x11 while preempted: %d\n",
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vdp_st);
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else
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MP_ERR(ctx, "Error when calling vdp_device_create_x11: %d\n", vdp_st);
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return -1;
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}
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for (const struct vdp_function *dsc = vdp_func; dsc->offset >= 0; dsc++) {
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vdp_st = get_proc_address(ctx->vdp_device, dsc->id,
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(void **)((char *)&vdp + dsc->offset));
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if (vdp_st != VDP_STATUS_OK) {
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MP_ERR(ctx, "Error when calling vdp_get_proc_address(function "
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"id %d): %s\n", dsc->id,
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vdp.get_error_string ? vdp.get_error_string(vdp_st) : "?");
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return -1;
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}
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}
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ctx->vdp = vdp;
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ctx->get_proc_address = get_proc_address;
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vdp_st = vdp.preemption_callback_register(ctx->vdp_device,
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preemption_callback, ctx);
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return 0;
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}
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static int handle_preemption(struct mp_vdpau_ctx *ctx)
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{
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if (!ctx->is_preempted)
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return 0;
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mark_vdpau_objects_uninitialized(ctx);
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if (!ctx->preemption_user_notified) {
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MP_ERR(ctx, "Got display preemption notice! Will attempt to recover.\n");
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ctx->preemption_user_notified = true;
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}
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/* Trying to initialize seems to be quite slow, so only try once a
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* second to avoid using 100% CPU. */
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if (ctx->last_preemption_retry_fail &&
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mp_time_sec() - ctx->last_preemption_retry_fail < 1.0)
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return -1;
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if (win_x11_init_vdpau_procs(ctx) < 0) {
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ctx->last_preemption_retry_fail = mp_time_sec();
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return -1;
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}
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ctx->preemption_user_notified = false;
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ctx->last_preemption_retry_fail = 0;
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ctx->is_preempted = false;
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ctx->preemption_counter++;
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MP_INFO(ctx, "Recovered from display preemption.\n");
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return 1;
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}
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// Check whether vdpau initialization and preemption status is ok and we can
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// proceed normally.
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bool mp_vdpau_status_ok(struct mp_vdpau_ctx *ctx)
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{
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return handle_preemption(ctx) >= 0;
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}
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static void release_decoder_surface(void *ptr)
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{
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bool *in_use_ptr = ptr;
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*in_use_ptr = false;
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}
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static struct mp_image *create_ref(struct surface_entry *e)
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{
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assert(!e->in_use);
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e->in_use = true;
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struct mp_image *res =
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mp_image_new_custom_ref(&(struct mp_image){0}, &e->in_use,
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release_decoder_surface);
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mp_image_setfmt(res, IMGFMT_VDPAU);
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mp_image_set_size(res, e->w, e->h);
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res->planes[0] = (void *)"dummy"; // must be non-NULL, otherwise arbitrary
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res->planes[3] = (void *)(intptr_t)e->surface;
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return res;
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}
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struct mp_image *mp_vdpau_get_video_surface(struct mp_vdpau_ctx *ctx,
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VdpChromaType chroma, int w, int h)
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{
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struct vdp_functions *vdp = &ctx->vdp;
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VdpStatus vdp_st;
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// Destroy all unused surfaces that don't have matching parameters
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for (int n = 0; n < MAX_VIDEO_SURFACES; n++) {
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struct surface_entry *e = &ctx->video_surfaces[n];
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if (!e->in_use && e->surface != VDP_INVALID_HANDLE) {
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if (e->chroma != chroma || e->w != w || e->h != h) {
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vdp_st = vdp->video_surface_destroy(e->surface);
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CHECK_VDP_WARNING(ctx, "Error when calling vdp_video_surface_destroy");
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e->surface = VDP_INVALID_HANDLE;
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}
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}
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}
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// Try to find an existing unused surface
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for (int n = 0; n < MAX_VIDEO_SURFACES; n++) {
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struct surface_entry *e = &ctx->video_surfaces[n];
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if (!e->in_use && e->surface != VDP_INVALID_HANDLE) {
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assert(e->w == w && e->h == h);
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assert(e->chroma == chroma);
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return create_ref(e);
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}
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}
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// Allocate new surface
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for (int n = 0; n < MAX_VIDEO_SURFACES; n++) {
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struct surface_entry *e = &ctx->video_surfaces[n];
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if (!e->in_use) {
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assert(e->surface == VDP_INVALID_HANDLE);
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e->chroma = chroma;
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e->w = w;
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e->h = h;
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if (ctx->is_preempted) {
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MP_WARN(ctx, "Preempted, no surface.\n");
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} else {
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vdp_st = vdp->video_surface_create(ctx->vdp_device, chroma,
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w, h, &e->surface);
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CHECK_VDP_WARNING(ctx, "Error when calling vdp_video_surface_create");
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}
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return create_ref(e);
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}
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}
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MP_ERR(ctx, "no surfaces available in mp_vdpau_get_video_surface\n");
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return NULL;
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}
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struct mp_vdpau_ctx *mp_vdpau_create_device_x11(struct mp_log *log,
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struct vo_x11_state *x11)
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{
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struct mp_vdpau_ctx *ctx = talloc_ptrtype(NULL, ctx);
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*ctx = (struct mp_vdpau_ctx) {
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.log = log,
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.x11 = x11,
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};
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mark_vdpau_objects_uninitialized(ctx);
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if (win_x11_init_vdpau_procs(ctx) < 0) {
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if (ctx->vdp.device_destroy)
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ctx->vdp.device_destroy(ctx->vdp_device);
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talloc_free(ctx);
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return NULL;
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}
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return ctx;
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}
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void mp_vdpau_destroy(struct mp_vdpau_ctx *ctx)
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{
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struct vdp_functions *vdp = &ctx->vdp;
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VdpStatus vdp_st;
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for (int i = 0; i < MAX_VIDEO_SURFACES; i++) {
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// can't hold references past context lifetime
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assert(!ctx->video_surfaces[i].in_use);
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if (ctx->video_surfaces[i].surface != VDP_INVALID_HANDLE) {
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vdp_st = vdp->video_surface_destroy(ctx->video_surfaces[i].surface);
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CHECK_VDP_WARNING(ctx, "Error when calling vdp_video_surface_destroy");
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}
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}
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if (ctx->vdp_device != VDP_INVALID_HANDLE) {
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vdp_st = vdp->device_destroy(ctx->vdp_device);
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CHECK_VDP_WARNING(ctx, "Error when calling vdp_device_destroy");
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}
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talloc_free(ctx);
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}
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bool mp_vdpau_get_format(int imgfmt, VdpChromaType *out_chroma_type,
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VdpYCbCrFormat *out_pixel_format)
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{
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VdpChromaType chroma = VDP_CHROMA_TYPE_420;
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VdpYCbCrFormat ycbcr = (VdpYCbCrFormat)-1;
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switch (imgfmt) {
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case IMGFMT_420P:
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ycbcr = VDP_YCBCR_FORMAT_YV12;
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break;
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case IMGFMT_NV12:
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ycbcr = VDP_YCBCR_FORMAT_NV12;
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break;
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case IMGFMT_YUYV:
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ycbcr = VDP_YCBCR_FORMAT_YUYV;
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chroma = VDP_CHROMA_TYPE_422;
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break;
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case IMGFMT_UYVY:
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ycbcr = VDP_YCBCR_FORMAT_UYVY;
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chroma = VDP_CHROMA_TYPE_422;
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break;
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case IMGFMT_VDPAU:
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break;
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default:
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return false;
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}
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if (out_chroma_type)
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*out_chroma_type = chroma;
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if (out_pixel_format)
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*out_pixel_format = ycbcr;
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return true;
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}
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