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vo_dmabuf_wayland: support panscan and panning

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This commit is contained in:
Aaron Boxer 2023-01-11 12:04:19 -05:00 committed by Dudemanguy
parent 05bc366d18
commit 865a159244
1 changed files with 38 additions and 1 deletions
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39
video/out/vo_dmabuf_wayland.c
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@ -62,6 +62,8 @@ struct priv {
struct wlbuf_pool *wlbuf_pool;
bool want_reset;
uint64_t reset_count;
struct mp_rect src;
bool resized;
#if HAVE_VAAPI
VADisplay display;
@ -150,27 +152,57 @@ static bool drmprime_dmabuf_importer(struct mp_image *src, struct wlbuf_pool_ent
}
#endif
static void set_viewport_source(struct vo *vo, struct mp_rect src) {
struct priv *p = vo->priv;
struct vo_wayland_state *wl = vo->wl;
if (wl->video_viewport && !mp_rect_equals(&p->src, &src)) {
// 1. update viewport source
wp_viewport_set_source(wl->video_viewport, src.x0 << 8,
src.y0 << 8, mp_rect_w(src) << 8,
mp_rect_h(src) << 8);
// 2. reset buffer pool
p->want_reset = true;
p->reset_count = 0;
// 3. update to new src dimensions
p->src = src;
}
}
static void resize(struct vo *vo)
{
struct priv *p = vo->priv;
struct vo_wayland_state *wl = vo->wl;
struct mp_rect src;
struct mp_rect dst;
struct mp_osd_res osd;
struct mp_vo_opts *vo_opts = wl->vo_opts;
const int width = wl->scaling * mp_rect_w(wl->geometry);
const int height = wl->scaling * mp_rect_h(wl->geometry);
vo_wayland_set_opaque_region(wl, 0);
vo->dwidth = width;
vo->dheight = height;
vo_get_src_dst_rects(vo, &src, &dst, &osd);
// top level viewport is calculated with pan set to zero
vo->opts->pan_x = 0;
vo->opts->pan_y = 0;
vo_get_src_dst_rects(vo, &src, &dst, &osd);
if (wl->viewport)
wp_viewport_set_destination(wl->viewport, 2 * dst.x0 + mp_rect_w(dst), 2 * dst.y0 + mp_rect_h(dst));
//now we restore pan for video viewport caculation
vo->opts->pan_x = vo_opts->pan_x;
vo->opts->pan_y = vo_opts->pan_y;
vo_get_src_dst_rects(vo, &src, &dst, &osd);
if (wl->video_viewport)
wp_viewport_set_destination(wl->video_viewport, mp_rect_w(dst), mp_rect_h(dst));
wl_subsurface_set_position(wl->video_subsurface, dst.x0, dst.y0);
set_viewport_source(vo, src);
vo->want_redraw = true;
p->resized = true;
}
static void draw_frame(struct vo *vo, struct vo_frame *frame)
@ -264,6 +296,10 @@ static int control(struct vo *vo, uint32_t request, void *data)
int ret;
switch (request) {
case VOCTRL_SET_PANSCAN:
if (p->resized)
resize(vo);
return VO_TRUE;
case VOCTRL_LOAD_HWDEC_API:
assert(p->hwdec_ctx.ra);
struct hwdec_imgfmt_request* req = (struct hwdec_imgfmt_request*)data;
@ -375,6 +411,7 @@ static int preinit(struct vo *vo)
.ra = p->ctx->ra,
};
ra_hwdec_ctx_init(&p->hwdec_ctx, vo->hwdec_devs, NULL, true);
p->src = (struct mp_rect){0, 0, 0, 0};
return 0;