If -hwaccel foo is supplied without any other device options, and the
foo hwaccel is meant to have a device, try to make such a device with
default parameters for the hwaccel to use.
---
This was intended to be the behaviour all along, but, as noted by wm4, the
implementation wasn't actually there.
The return value is not checked, because we only care about the dev argument
which is set on success.
avtools/avconv_hw.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/avtools/avconv_hw.c b/avtools/avconv_hw.c
index fd1618389..94be72330 100644
--- a/avtools/avconv_hw.c
+++ b/avtools/avconv_hw.c
@@ -287,6 +287,10 @@ int hw_device_setup_for_decode(InputStream *ist)
type = hw_device_match_type_in_name(ist->dec->name);
if (type != AV_HWDEVICE_TYPE_NONE) {
dev = hw_device_get_by_type(type);
+ if (!dev) {
+ hw_device_init_from_string(av_hwdevice_get_type_name(type),
+ &dev);
+ }
} else {
// No device required.
return 0;
--
2.11.0
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