Adding upstream version 0.37.0.upstream/0.37.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 877 insertions, 0 deletions

diff --git a/video/out/vo_vaapi.c b/video/out/vo_vaapi.c
new file mode 100644
index 0000000..12888fe
--- /dev/null
+++ b/video/out/vo_vaapi.c
@@ -0,0 +1,877 @@
+/*
+ * VA API output module
+ *
+ * Copyright (C) 2008-2009 Splitted-Desktop Systems
+ * Gwenole Beauchesne <gbeauchesne@splitted-desktop.com>
+ *
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <assert.h>
+#include <stdarg.h>
+#include <limits.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <va/va_x11.h>
+
+#include "common/msg.h"
+#include "video/out/vo.h"
+#include "video/mp_image_pool.h"
+#include "video/sws_utils.h"
+#include "sub/draw_bmp.h"
+#include "sub/img_convert.h"
+#include "sub/osd.h"
+#include "present_sync.h"
+#include "x11_common.h"
+
+#include "video/mp_image.h"
+#include "video/vaapi.h"
+#include "video/hwdec.h"
+
+struct vaapi_osd_image {
+    int            w, h;
+    VAImage        image;
+    VASubpictureID subpic_id;
+    bool           is_used;
+};
+
+struct vaapi_subpic {
+    VASubpictureID id;
+    int src_x, src_y, src_w, src_h;
+    int dst_x, dst_y, dst_w, dst_h;
+};
+
+struct vaapi_osd_part {
+    bool active;
+    int change_id;
+    struct vaapi_osd_image image;
+    struct vaapi_subpic subpic;
+};
+
+#define MAX_OUTPUT_SURFACES 2
+
+struct priv {
+    struct mp_log           *log;
+    struct vo               *vo;
+    VADisplay                display;
+    struct mp_vaapi_ctx     *mpvaapi;
+
+    struct mp_image_params   image_params;
+    struct mp_rect           src_rect;
+    struct mp_rect           dst_rect;
+    struct mp_osd_res        screen_osd_res;
+
+    struct mp_image         *output_surfaces[MAX_OUTPUT_SURFACES];
+    struct mp_image         *swdec_surfaces[MAX_OUTPUT_SURFACES];
+
+    int                      output_surface;
+    int                      visible_surface;
+    int                      scaling;
+    bool                     force_scaled_osd;
+
+    VAImageFormat            osd_format; // corresponds to OSD_VA_FORMAT
+    struct vaapi_osd_part    osd_part;
+    bool                     osd_screen;
+    struct mp_draw_sub_cache *osd_cache;
+
+    struct mp_image_pool    *pool;
+
+    struct mp_image         *black_surface;
+
+    VAImageFormat           *va_subpic_formats;
+    unsigned int            *va_subpic_flags;
+    int                      va_num_subpic_formats;
+    VADisplayAttribute      *va_display_attrs;
+    int                     *mp_display_attr;
+    int                      va_num_display_attrs;
+
+    struct va_image_formats *image_formats;
+};
+
+#define OSD_VA_FORMAT VA_FOURCC_BGRA
+
+static void draw_osd(struct vo *vo);
+
+
+struct fmtentry {
+    uint32_t va;
+    enum mp_imgfmt mp;
+};
+
+static const struct fmtentry va_to_imgfmt[] = {
+    {VA_FOURCC_NV12, IMGFMT_NV12},
+    {VA_FOURCC_YV12, IMGFMT_420P},
+    {VA_FOURCC_IYUV, IMGFMT_420P},
+    {VA_FOURCC_UYVY, IMGFMT_UYVY},
+    // Note: not sure about endian issues (the mp formats are byte-addressed)
+    {VA_FOURCC_RGBA, IMGFMT_RGBA},
+    {VA_FOURCC_RGBX, IMGFMT_RGBA},
+    {VA_FOURCC_BGRA, IMGFMT_BGRA},
+    {VA_FOURCC_BGRX, IMGFMT_BGRA},
+    {0             , IMGFMT_NONE}
+};
+
+static enum mp_imgfmt va_fourcc_to_imgfmt(uint32_t fourcc)
+{
+    for (const struct fmtentry *entry = va_to_imgfmt; entry->va; ++entry) {
+        if (entry->va == fourcc)
+            return entry->mp;
+    }
+    return IMGFMT_NONE;
+}
+
+static uint32_t va_fourcc_from_imgfmt(int imgfmt)
+{
+    for (const struct fmtentry *entry = va_to_imgfmt; entry->va; ++entry) {
+        if (entry->mp == imgfmt)
+            return entry->va;
+    }
+    return 0;
+}
+
+struct va_image_formats {
+    VAImageFormat *entries;
+    int num;
+};
+
+static void va_get_formats(struct priv *ctx)
+{
+    struct va_image_formats *formats = talloc_ptrtype(ctx, formats);
+    formats->num = vaMaxNumImageFormats(ctx->display);
+    formats->entries = talloc_array(formats, VAImageFormat, formats->num);
+    VAStatus status = vaQueryImageFormats(ctx->display, formats->entries,
+                                          &formats->num);
+    if (!CHECK_VA_STATUS(ctx, "vaQueryImageFormats()"))
+        return;
+    MP_VERBOSE(ctx, "%d image formats available:\n", formats->num);
+    for (int i = 0; i < formats->num; i++)
+        MP_VERBOSE(ctx, "  %s\n", mp_tag_str(formats->entries[i].fourcc));
+    ctx->image_formats = formats;
+}
+
+static VAImageFormat *va_image_format_from_imgfmt(struct priv *ctx,
+                                                  int imgfmt)
+{
+    struct va_image_formats *formats = ctx->image_formats;
+    const int fourcc = va_fourcc_from_imgfmt(imgfmt);
+    if (!formats || !formats->num || !fourcc)
+        return NULL;
+    for (int i = 0; i < formats->num; i++) {
+        if (formats->entries[i].fourcc == fourcc)
+            return &formats->entries[i];
+    }
+    return NULL;
+}
+
+struct va_surface {
+    struct mp_vaapi_ctx *ctx;
+    VADisplay display;
+
+    VASurfaceID id;
+    int rt_format;
+
+    // The actually allocated surface size (needed for cropping).
+    // mp_images can have a smaller size than this, which means they are
+    // cropped down to a smaller size by removing right/bottom pixels.
+    int w, h;
+
+    VAImage image;       // used for software decoding case
+    bool is_derived;     // is image derived by vaDeriveImage()?
+};
+
+static struct va_surface *va_surface_in_mp_image(struct mp_image *mpi)
+{
+    return mpi && mpi->imgfmt == IMGFMT_VAAPI ?
+        (struct va_surface*)mpi->planes[0] : NULL;
+}
+
+static void release_va_surface(void *arg)
+{
+    struct va_surface *surface = arg;
+
+    if (surface->id != VA_INVALID_ID) {
+        if (surface->image.image_id != VA_INVALID_ID)
+            vaDestroyImage(surface->display, surface->image.image_id);
+        vaDestroySurfaces(surface->display, &surface->id, 1);
+    }
+
+    talloc_free(surface);
+}
+
+static struct mp_image *alloc_surface(struct mp_vaapi_ctx *ctx, int rt_format,
+                                      int w, int h)
+{
+    VASurfaceID id = VA_INVALID_ID;
+    VAStatus status;
+    status = vaCreateSurfaces(ctx->display, rt_format, w, h, &id, 1, NULL, 0);
+    if (!CHECK_VA_STATUS(ctx, "vaCreateSurfaces()"))
+        return NULL;
+
+    struct va_surface *surface = talloc_ptrtype(NULL, surface);
+    if (!surface)
+        return NULL;
+
+    *surface = (struct va_surface){
+        .ctx = ctx,
+        .id = id,
+        .rt_format = rt_format,
+        .w = w,
+        .h = h,
+        .display = ctx->display,
+        .image = { .image_id = VA_INVALID_ID, .buf = VA_INVALID_ID },
+    };
+
+    struct mp_image img = {0};
+    mp_image_setfmt(&img, IMGFMT_VAAPI);
+    mp_image_set_size(&img, w, h);
+    img.planes[0] = (uint8_t*)surface;
+    img.planes[3] = (uint8_t*)(uintptr_t)surface->id;
+    return mp_image_new_custom_ref(&img, surface, release_va_surface);
+}
+
+static void va_surface_image_destroy(struct va_surface *surface)
+{
+    if (!surface || surface->image.image_id == VA_INVALID_ID)
+        return;
+    vaDestroyImage(surface->display, surface->image.image_id);
+    surface->image.image_id = VA_INVALID_ID;
+    surface->is_derived = false;
+}
+
+static int va_surface_image_alloc(struct va_surface *p, VAImageFormat *format)
+{
+    VADisplay *display = p->display;
+
+    if (p->image.image_id != VA_INVALID_ID &&
+        p->image.format.fourcc == format->fourcc)
+        return 0;
+
+    int r = 0;
+
+    va_surface_image_destroy(p);
+
+    VAStatus status = vaDeriveImage(display, p->id, &p->image);
+    if (status == VA_STATUS_SUCCESS) {
+        /* vaDeriveImage() is supported, check format */
+        if (p->image.format.fourcc == format->fourcc &&
+            p->image.width == p->w && p->image.height == p->h)
+        {
+            p->is_derived = true;
+            MP_TRACE(p->ctx, "Using vaDeriveImage()\n");
+        } else {
+            vaDestroyImage(p->display, p->image.image_id);
+            status = VA_STATUS_ERROR_OPERATION_FAILED;
+        }
+    }
+    if (status != VA_STATUS_SUCCESS) {
+        p->image.image_id = VA_INVALID_ID;
+        status = vaCreateImage(p->display, format, p->w, p->h, &p->image);
+        if (!CHECK_VA_STATUS(p->ctx, "vaCreateImage()")) {
+            p->image.image_id = VA_INVALID_ID;
+            r = -1;
+        }
+    }
+
+    return r;
+}
+
+// img must be a VAAPI surface; make sure its internal VAImage is allocated
+// to a format corresponding to imgfmt (or return an error).
+static int va_surface_alloc_imgfmt(struct priv *priv, struct mp_image *img,
+                                   int imgfmt)
+{
+    struct va_surface *p = va_surface_in_mp_image(img);
+    if (!p)
+        return -1;
+    // Multiple FourCCs can refer to the same imgfmt, so check by doing the
+    // surjective conversion first.
+    if (p->image.image_id != VA_INVALID_ID &&
+        va_fourcc_to_imgfmt(p->image.format.fourcc) == imgfmt)
+        return 0;
+    VAImageFormat *format = va_image_format_from_imgfmt(priv, imgfmt);
+    if (!format)
+        return -1;
+    if (va_surface_image_alloc(p, format) < 0)
+        return -1;
+    return 0;
+}
+
+static bool va_image_map(struct mp_vaapi_ctx *ctx, VAImage *image,
+                         struct mp_image *mpi)
+{
+    int imgfmt = va_fourcc_to_imgfmt(image->format.fourcc);
+    if (imgfmt == IMGFMT_NONE)
+        return false;
+    void *data = NULL;
+    const VAStatus status = vaMapBuffer(ctx->display, image->buf, &data);
+    if (!CHECK_VA_STATUS(ctx, "vaMapBuffer()"))
+        return false;
+
+    *mpi = (struct mp_image) {0};
+    mp_image_setfmt(mpi, imgfmt);
+    mp_image_set_size(mpi, image->width, image->height);
+
+    for (int p = 0; p < image->num_planes; p++) {
+        mpi->stride[p] = image->pitches[p];
+        mpi->planes[p] = (uint8_t *)data + image->offsets[p];
+    }
+
+    if (image->format.fourcc == VA_FOURCC_YV12) {
+        MPSWAP(int, mpi->stride[1], mpi->stride[2]);
+        MPSWAP(uint8_t *, mpi->planes[1], mpi->planes[2]);
+    }
+
+    return true;
+}
+
+static bool va_image_unmap(struct mp_vaapi_ctx *ctx, VAImage *image)
+{
+    const VAStatus status = vaUnmapBuffer(ctx->display, image->buf);
+    return CHECK_VA_STATUS(ctx, "vaUnmapBuffer()");
+}
+
+// va_dst: copy destination, must be IMGFMT_VAAPI
+// sw_src: copy source, must be a software pixel format
+static int va_surface_upload(struct priv *priv, struct mp_image *va_dst,
+                             struct mp_image *sw_src)
+{
+    struct va_surface *p = va_surface_in_mp_image(va_dst);
+    if (!p)
+        return -1;
+
+    if (va_surface_alloc_imgfmt(priv, va_dst, sw_src->imgfmt) < 0)
+        return -1;
+
+    struct mp_image img;
+    if (!va_image_map(p->ctx, &p->image, &img))
+        return -1;
+    assert(sw_src->w <= img.w && sw_src->h <= img.h);
+    mp_image_set_size(&img, sw_src->w, sw_src->h); // copy only visible part
+    mp_image_copy(&img, sw_src);
+    va_image_unmap(p->ctx, &p->image);
+
+    if (!p->is_derived) {
+        VAStatus status = vaPutImage(p->display, p->id,
+                                     p->image.image_id,
+                                     0, 0, sw_src->w, sw_src->h,
+                                     0, 0, sw_src->w, sw_src->h);
+        if (!CHECK_VA_STATUS(p->ctx, "vaPutImage()"))
+            return -1;
+    }
+
+    if (p->is_derived)
+        va_surface_image_destroy(p);
+    return 0;
+}
+
+struct pool_alloc_ctx {
+    struct mp_vaapi_ctx *vaapi;
+    int rt_format;
+};
+
+static struct mp_image *alloc_pool(void *pctx, int fmt, int w, int h)
+{
+    struct pool_alloc_ctx *alloc_ctx = pctx;
+    if (fmt != IMGFMT_VAAPI)
+        return NULL;
+
+    return alloc_surface(alloc_ctx->vaapi, alloc_ctx->rt_format, w, h);
+}
+
+// The allocator of the given image pool to allocate VAAPI surfaces, using
+// the given rt_format.
+static void va_pool_set_allocator(struct mp_image_pool *pool,
+                                  struct mp_vaapi_ctx *ctx, int rt_format)
+{
+    struct pool_alloc_ctx *alloc_ctx = talloc_ptrtype(pool, alloc_ctx);
+    *alloc_ctx = (struct pool_alloc_ctx){
+        .vaapi = ctx,
+        .rt_format = rt_format,
+    };
+    mp_image_pool_set_allocator(pool, alloc_pool, alloc_ctx);
+    mp_image_pool_set_lru(pool);
+}
+
+static void flush_output_surfaces(struct priv *p)
+{
+    for (int n = 0; n < MAX_OUTPUT_SURFACES; n++)
+        mp_image_unrefp(&p->output_surfaces[n]);
+    p->output_surface = 0;
+    p->visible_surface = 0;
+}
+
+// See flush_surfaces() remarks - the same applies.
+static void free_video_specific(struct priv *p)
+{
+    flush_output_surfaces(p);
+
+    mp_image_unrefp(&p->black_surface);
+
+    for (int n = 0; n < MAX_OUTPUT_SURFACES; n++)
+        mp_image_unrefp(&p->swdec_surfaces[n]);
+
+    if (p->pool)
+        mp_image_pool_clear(p->pool);
+}
+
+static bool alloc_swdec_surfaces(struct priv *p, int w, int h, int imgfmt)
+{
+    free_video_specific(p);
+    for (int i = 0; i < MAX_OUTPUT_SURFACES; i++) {
+        p->swdec_surfaces[i] = mp_image_pool_get(p->pool, IMGFMT_VAAPI, w, h);
+        if (va_surface_alloc_imgfmt(p, p->swdec_surfaces[i], imgfmt) < 0)
+            return false;
+    }
+    return true;
+}
+
+static void resize(struct priv *p)
+{
+    vo_get_src_dst_rects(p->vo, &p->src_rect, &p->dst_rect, &p->screen_osd_res);
+
+    // It's not clear whether this is needed; maybe not.
+    //vo_x11_clearwindow(p->vo, p->vo->x11->window);
+
+    p->vo->want_redraw = true;
+}
+
+static int reconfig(struct vo *vo, struct mp_image_params *params)
+{
+    struct priv *p = vo->priv;
+
+    free_video_specific(p);
+
+    vo_x11_config_vo_window(vo);
+
+    if (params->imgfmt != IMGFMT_VAAPI) {
+        if (!alloc_swdec_surfaces(p, params->w, params->h, params->imgfmt))
+            return -1;
+    }
+
+    p->image_params = *params;
+    resize(p);
+    return 0;
+}
+
+static int query_format(struct vo *vo, int imgfmt)
+{
+    struct priv *p = vo->priv;
+    if (imgfmt == IMGFMT_VAAPI || va_image_format_from_imgfmt(p, imgfmt))
+        return 1;
+
+    return 0;
+}
+
+static bool render_to_screen(struct priv *p, struct mp_image *mpi)
+{
+    VAStatus status;
+
+    VASurfaceID surface = va_surface_id(mpi);
+    if (surface == VA_INVALID_ID) {
+        if (!p->black_surface) {
+            int w = p->image_params.w, h = p->image_params.h;
+            // 4:2:0 should work everywhere
+            int fmt = IMGFMT_420P;
+            p->black_surface = mp_image_pool_get(p->pool, IMGFMT_VAAPI, w, h);
+            if (p->black_surface) {
+                struct mp_image *img = mp_image_alloc(fmt, w, h);
+                if (img) {
+                    mp_image_clear(img, 0, 0, w, h);
+                    if (va_surface_upload(p, p->black_surface, img) < 0)
+                        mp_image_unrefp(&p->black_surface);
+                    talloc_free(img);
+                }
+            }
+        }
+        surface = va_surface_id(p->black_surface);
+    }
+
+    if (surface == VA_INVALID_ID)
+        return false;
+
+    struct vaapi_osd_part *part = &p->osd_part;
+    if (part->active) {
+        struct vaapi_subpic *sp = &part->subpic;
+        int flags = 0;
+        if (p->osd_screen)
+            flags |= VA_SUBPICTURE_DESTINATION_IS_SCREEN_COORD;
+        status = vaAssociateSubpicture(p->display,
+                                       sp->id, &surface, 1,
+                                       sp->src_x, sp->src_y,
+                                       sp->src_w, sp->src_h,
+                                       sp->dst_x, sp->dst_y,
+                                       sp->dst_w, sp->dst_h,
+                                       flags);
+        CHECK_VA_STATUS(p, "vaAssociateSubpicture()");
+    }
+
+    int flags = va_get_colorspace_flag(p->image_params.color.space) |
+                p->scaling | VA_FRAME_PICTURE;
+    status = vaPutSurface(p->display,
+                          surface,
+                          p->vo->x11->window,
+                          p->src_rect.x0,
+                          p->src_rect.y0,
+                          p->src_rect.x1 - p->src_rect.x0,
+                          p->src_rect.y1 - p->src_rect.y0,
+                          p->dst_rect.x0,
+                          p->dst_rect.y0,
+                          p->dst_rect.x1 - p->dst_rect.x0,
+                          p->dst_rect.y1 - p->dst_rect.y0,
+                          NULL, 0,
+                          flags);
+    CHECK_VA_STATUS(p, "vaPutSurface()");
+
+    if (part->active) {
+        struct vaapi_subpic *sp = &part->subpic;
+        status = vaDeassociateSubpicture(p->display, sp->id,
+                                         &surface, 1);
+        CHECK_VA_STATUS(p, "vaDeassociateSubpicture()");
+    }
+
+    return true;
+}
+
+static void flip_page(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+
+    p->visible_surface = p->output_surface;
+    render_to_screen(p, p->output_surfaces[p->output_surface]);
+    p->output_surface = (p->output_surface + 1) % MAX_OUTPUT_SURFACES;
+    vo_x11_present(vo);
+    present_sync_swap(vo->x11->present);
+}
+
+static void get_vsync(struct vo *vo, struct vo_vsync_info *info)
+{
+    struct vo_x11_state *x11 = vo->x11;
+    present_sync_get_info(x11->present, info);
+}
+
+static void draw_frame(struct vo *vo, struct vo_frame *frame)
+{
+    struct priv *p = vo->priv;
+    struct mp_image *mpi = frame->current;
+
+    if (mpi && mpi->imgfmt != IMGFMT_VAAPI) {
+        struct mp_image *dst = p->swdec_surfaces[p->output_surface];
+        if (!dst || va_surface_upload(p, dst, mpi) < 0) {
+            MP_WARN(vo, "Could not upload surface.\n");
+            talloc_free(mpi);
+            return;
+        }
+        mp_image_copy_attributes(dst, mpi);
+        mpi = mp_image_new_ref(dst);
+    }
+
+    talloc_free(p->output_surfaces[p->output_surface]);
+    p->output_surfaces[p->output_surface] = mpi;
+
+    draw_osd(vo);
+}
+
+static void free_subpicture(struct priv *p, struct vaapi_osd_image *img)
+{
+    if (img->image.image_id != VA_INVALID_ID)
+        vaDestroyImage(p->display, img->image.image_id);
+    if (img->subpic_id != VA_INVALID_ID)
+        vaDestroySubpicture(p->display, img->subpic_id);
+    img->image.image_id = VA_INVALID_ID;
+    img->subpic_id = VA_INVALID_ID;
+}
+
+static int new_subpicture(struct priv *p, int w, int h,
+                          struct vaapi_osd_image *out)
+{
+    VAStatus status;
+
+    free_subpicture(p, out);
+
+    struct vaapi_osd_image m = {
+        .image = {.image_id = VA_INVALID_ID, .buf = VA_INVALID_ID},
+        .subpic_id = VA_INVALID_ID,
+        .w = w,
+        .h = h,
+    };
+
+    status = vaCreateImage(p->display, &p->osd_format, w, h, &m.image);
+    if (!CHECK_VA_STATUS(p, "vaCreateImage()"))
+        goto error;
+    status = vaCreateSubpicture(p->display, m.image.image_id, &m.subpic_id);
+    if (!CHECK_VA_STATUS(p, "vaCreateSubpicture()"))
+        goto error;
+
+    *out = m;
+    return 0;
+
+error:
+    free_subpicture(p, &m);
+    MP_ERR(p, "failed to allocate OSD sub-picture of size %dx%d.\n", w, h);
+    return -1;
+}
+
+static void draw_osd(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+
+    struct mp_image *cur = p->output_surfaces[p->output_surface];
+    double pts = cur ? cur->pts : 0;
+
+    if (!p->osd_format.fourcc)
+        return;
+
+    struct mp_osd_res vid_res = osd_res_from_image_params(vo->params);
+
+    struct mp_osd_res *res;
+    if (p->osd_screen) {
+        res = &p->screen_osd_res;
+    } else {
+        res = &vid_res;
+    }
+
+    p->osd_part.active = false;
+
+    if (!p->osd_cache)
+        p->osd_cache = mp_draw_sub_alloc(p, vo->global);
+
+    struct sub_bitmap_list *sbs = osd_render(vo->osd, *res, pts, 0,
+                                             mp_draw_sub_formats);
+
+    struct mp_rect act_rc[1], mod_rc[64];
+    int num_act_rc = 0, num_mod_rc = 0;
+
+    struct mp_image *osd = mp_draw_sub_overlay(p->osd_cache, sbs,
+                    act_rc, MP_ARRAY_SIZE(act_rc), &num_act_rc,
+                    mod_rc, MP_ARRAY_SIZE(mod_rc), &num_mod_rc);
+
+    if (!osd)
+        goto error;
+
+    struct vaapi_osd_part *part = &p->osd_part;
+
+    part->active = false;
+
+    int w = res->w;
+    int h = res->h;
+    if (part->image.w != w || part->image.h != h) {
+        if (new_subpicture(p, w, h, &part->image) < 0)
+            goto error;
+    }
+
+    struct vaapi_osd_image *img = &part->image;
+    struct mp_image vaimg;
+    if (!va_image_map(p->mpvaapi, &img->image, &vaimg))
+        goto error;
+
+    for (int n = 0; n < num_mod_rc; n++) {
+        struct mp_rect *rc = &mod_rc[n];
+
+        int rw = mp_rect_w(*rc);
+        int rh = mp_rect_h(*rc);
+
+        void *src = mp_image_pixel_ptr(osd, 0, rc->x0, rc->y0);
+        void *dst = vaimg.planes[0] + rc->y0 * vaimg.stride[0] + rc->x0 * 4;
+
+        memcpy_pic(dst, src, rw * 4, rh, vaimg.stride[0], osd->stride[0]);
+    }
+
+    if (!va_image_unmap(p->mpvaapi, &img->image))
+        goto error;
+
+    if (num_act_rc) {
+        struct mp_rect rc = act_rc[0];
+        rc.x0 = rc.y0 = 0; // must be a Mesa bug
+        part->subpic = (struct vaapi_subpic) {
+            .id = img->subpic_id,
+            .src_x = rc.x0,         .src_y = rc.y0,
+            .src_w = mp_rect_w(rc), .src_h = mp_rect_h(rc),
+            .dst_x = rc.x0,         .dst_y = rc.y0,
+            .dst_w = mp_rect_w(rc), .dst_h = mp_rect_h(rc),
+        };
+        part->active = true;
+    }
+
+error:
+    talloc_free(sbs);
+}
+
+static int control(struct vo *vo, uint32_t request, void *data)
+{
+    struct priv *p = vo->priv;
+
+    switch (request) {
+    case VOCTRL_SET_PANSCAN:
+        resize(p);
+        return VO_TRUE;
+    }
+
+    int events = 0;
+    int r = vo_x11_control(vo, &events, request, data);
+    if (events & VO_EVENT_RESIZE)
+        resize(p);
+    if (events & VO_EVENT_EXPOSE)
+        vo->want_redraw = true;
+    vo_event(vo, events);
+    return r;
+}
+
+static void uninit(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+
+    free_video_specific(p);
+    talloc_free(p->pool);
+
+    struct vaapi_osd_part *part = &p->osd_part;
+    free_subpicture(p, &part->image);
+
+    if (vo->hwdec_devs) {
+        hwdec_devices_remove(vo->hwdec_devs, &p->mpvaapi->hwctx);
+        hwdec_devices_destroy(vo->hwdec_devs);
+    }
+
+    va_destroy(p->mpvaapi);
+
+    vo_x11_uninit(vo);
+}
+
+static int preinit(struct vo *vo)
+{
+    struct priv *p = vo->priv;
+    p->vo = vo;
+    p->log = vo->log;
+
+    VAStatus status;
+
+    if (!vo_x11_init(vo))
+        goto fail;
+
+    if (!vo_x11_create_vo_window(vo, NULL, "vaapi"))
+        goto fail;
+
+    p->display = vaGetDisplay(vo->x11->display);
+    if (!p->display)
+        goto fail;
+
+    p->mpvaapi = va_initialize(p->display, p->log, false);
+    if (!p->mpvaapi) {
+        vaTerminate(p->display);
+        p->display = NULL;
+        goto fail;
+    }
+
+    if (va_guess_if_emulated(p->mpvaapi)) {
+        MP_WARN(vo, "VA-API is most likely emulated via VDPAU.\n"
+                    "It's better to use VDPAU directly with: --vo=vdpau\n");
+    }
+
+    va_get_formats(p);
+    if (!p->image_formats)
+        goto fail;
+
+    p->mpvaapi->hwctx.hw_imgfmt = IMGFMT_VAAPI;
+    p->pool = mp_image_pool_new(p);
+    va_pool_set_allocator(p->pool, p->mpvaapi, VA_RT_FORMAT_YUV420);
+
+    int max_subpic_formats = vaMaxNumSubpictureFormats(p->display);
+    p->va_subpic_formats = talloc_array(vo, VAImageFormat, max_subpic_formats);
+    p->va_subpic_flags = talloc_array(vo, unsigned int, max_subpic_formats);
+    status = vaQuerySubpictureFormats(p->display,
+                                      p->va_subpic_formats,
+                                      p->va_subpic_flags,
+                                      &p->va_num_subpic_formats);
+    if (!CHECK_VA_STATUS(p, "vaQuerySubpictureFormats()"))
+        p->va_num_subpic_formats = 0;
+    MP_VERBOSE(vo, "%d subpicture formats available:\n",
+               p->va_num_subpic_formats);
+
+    for (int i = 0; i < p->va_num_subpic_formats; i++) {
+        MP_VERBOSE(vo, "  %s, flags 0x%x\n",
+                   mp_tag_str(p->va_subpic_formats[i].fourcc),
+                   p->va_subpic_flags[i]);
+        if (p->va_subpic_formats[i].fourcc == OSD_VA_FORMAT) {
+            p->osd_format = p->va_subpic_formats[i];
+            if (!p->force_scaled_osd) {
+                p->osd_screen =
+                    p->va_subpic_flags[i] & VA_SUBPICTURE_DESTINATION_IS_SCREEN_COORD;
+            }
+        }
+    }
+
+    if (!p->osd_format.fourcc)
+        MP_ERR(vo, "OSD format not supported. Disabling OSD.\n");
+
+    struct vaapi_osd_part *part = &p->osd_part;
+    part->image.image.image_id = VA_INVALID_ID;
+    part->image.subpic_id = VA_INVALID_ID;
+
+    int max_display_attrs = vaMaxNumDisplayAttributes(p->display);
+    p->va_display_attrs = talloc_array(vo, VADisplayAttribute, max_display_attrs);
+    if (p->va_display_attrs) {
+        status = vaQueryDisplayAttributes(p->display, p->va_display_attrs,
+                                          &p->va_num_display_attrs);
+        if (!CHECK_VA_STATUS(p, "vaQueryDisplayAttributes()"))
+            p->va_num_display_attrs = 0;
+        p->mp_display_attr = talloc_zero_array(vo, int, p->va_num_display_attrs);
+    }
+
+    vo->hwdec_devs = hwdec_devices_create();
+    hwdec_devices_add(vo->hwdec_devs, &p->mpvaapi->hwctx);
+
+    MP_WARN(vo, "Warning: this compatibility VO is low quality and may "
+                "have issues with OSD, scaling, screenshots and more.\n"
+                "vo=gpu is the preferred choice in any case and "
+                "includes VA-API support via hwdec=vaapi or vaapi-copy.\n");
+
+    return 0;
+
+fail:
+    uninit(vo);
+    return -1;
+}
+
+#define OPT_BASE_STRUCT struct priv
+
+const struct vo_driver video_out_vaapi = {
+    .description = "VA API with X11",
+    .name = "vaapi",
+    .preinit = preinit,
+    .query_format = query_format,
+    .reconfig = reconfig,
+    .control = control,
+    .draw_frame = draw_frame,
+    .flip_page = flip_page,
+    .get_vsync = get_vsync,
+    .wakeup = vo_x11_wakeup,
+    .wait_events = vo_x11_wait_events,
+    .uninit = uninit,
+    .priv_size = sizeof(struct priv),
+    .priv_defaults = &(const struct priv) {
+        .scaling = VA_FILTER_SCALING_DEFAULT,
+    },
+    .options = (const struct m_option[]) {
+        {"scaling", OPT_CHOICE(scaling,
+            {"default", VA_FILTER_SCALING_DEFAULT},
+            {"fast", VA_FILTER_SCALING_FAST},
+            {"hq", VA_FILTER_SCALING_HQ},
+            {"nla", VA_FILTER_SCALING_NL_ANAMORPHIC})},
+        {"scaled-osd", OPT_BOOL(force_scaled_osd)},
+        {0}
+    },
+    .options_prefix = "vo-vaapi",
+};