vd_lavc, vaapi: move hw device creation to generic code

hw_vaapi.c didn't do much interesting anymore. Other than the function
to create a device for decoding with vaapi-copy, everything can be done
by generic code. Other libavcodec hwaccels are planned to provide the
same API as vaapi. It will be possible to drop the other hw_ files in
the future. They will use this generic code instead.

1 files changed, 6 insertions, 0 deletions

diff --git a/video/hwdec.h b/video/hwdec.h
index f8a089e8c6..86b5521975 100644
--- a/video/hwdec.h
+++ b/video/hwdec.h
@@ -53,6 +53,9 @@ struct mp_hwdec_ctx {
     // List of IMGFMT_s, terminated with 0. NULL if N/A.
     int *supported_formats;
 
+    // Hint to generic code: it's using a wrapper API
+    bool emulated;
+
     // Optional. Legacy. (New code should use AVHWFramesContext and
     // mp_image_hw_download().)
     // Allocates a software image from the pool, downloads the hw image from
@@ -62,6 +65,9 @@ struct mp_hwdec_ctx {
     struct mp_image *(*download_image)(struct mp_hwdec_ctx *ctx,
                                        struct mp_image *mpi,
                                        struct mp_image_pool *swpool);
+
+    // Optional. Do not set for VO-bound devices.
+    void (*destroy)(struct mp_hwdec_ctx *ctx);
 };
 
 // Used to communicate hardware decoder device handles from VO to video decoder.