video: add a "hwdec" property to enable or disable hw decoding at runtime

1 files changed, 9 insertions, 0 deletions

diff --git a/video/decode/vd_lavc.c b/video/decode/vd_lavc.c
index 4935913d73..57b391a6a2 100644
--- a/video/decode/vd_lavc.c
+++ b/video/decode/vd_lavc.c
@@ -225,6 +225,8 @@ static int init(struct dec_video *vd, const char *decoder)
     ctx->log = vd->log;
     ctx->opts = vd->opts;
 
+    ctx->selected_hwdec = vd->opts->hwdec_api;
+
     if (bstr_endswith0(bstr0(decoder), "_vdpau")) {
         MP_WARN(vd, "VDPAU decoder '%s' was requested. "
                 "This way of enabling hardware\ndecoding is not supported "
@@ -646,6 +648,13 @@ static int control(struct dec_video *vd, int cmd, void *arg)
             delay += avctx->thread_count - 1;
         *(int *)arg = delay;
         return CONTROL_TRUE;
+    case VDCTRL_GET_HWDEC: {
+        int hwdec = ctx->selected_hwdec;
+        if (!ctx->software_fallback_decoder)
+            hwdec = 0;
+        *(int *)arg = hwdec;
+        return CONTROL_TRUE;
+    }
     case VDCTRL_FORCE_HWDEC_FALLBACK:
         return force_fallback(vd);
     }