There is no device context to be setup, nor devices to be
selected with VideoToolbox. Just a simple return would allow
us to use derived device in filters like
`hwupload=derive_device=videotoolbox`
Signed-off-by: Gnattu OC <gnatt...@me.com>
---
libavutil/hwcontext_videotoolbox.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/libavutil/hwcontext_videotoolbox.c
b/libavutil/hwcontext_videotoolbox.c
index fe469dc161..d13199eca7 100644
--- a/libavutil/hwcontext_videotoolbox.c
+++ b/libavutil/hwcontext_videotoolbox.c
@@ -759,6 +759,14 @@ static int vt_device_create(AVHWDeviceContext *ctx, const
char *device,
return 0;
}
+static int vt_device_derive(AVHWDeviceContext *device_ctx,
+ AVHWDeviceContext *src_ctx, AVDictionary *opts,
+ int flags)
+{
+ // There is no context to be setup with VT, just return.
+ return 0;
+}
+
const HWContextType ff_hwcontext_type_videotoolbox = {
.type = AV_HWDEVICE_TYPE_VIDEOTOOLBOX,
.name = "videotoolbox",
@@ -766,6 +774,7 @@ const HWContextType ff_hwcontext_type_videotoolbox = {
.frames_priv_size = sizeof(VTFramesContext),
.device_create = vt_device_create,
+ .device_derive = vt_device_derive,
.frames_hwctx_size = sizeof(AVVTFramesContext),
.frames_init = vt_frames_init,
.frames_get_buffer = vt_get_buffer,
--
2.39.3 (Apple Git-145)
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