For example: -init_hw_device vaapi:/dev/dri/renderD128,driver=foo
This may be more convenient that using the environment variable, and allows
loading different drivers for different devices in the same process.
---
libavutil/hwcontext_vaapi.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/libavutil/hwcontext_vaapi.c b/libavutil/hwcontext_vaapi.c
index c151f8da93..35883d7855 100644
--- a/libavutil/hwcontext_vaapi.c
+++ b/libavutil/hwcontext_vaapi.c
@@ -1598,6 +1598,25 @@ static int vaapi_device_create(AVHWDeviceContext *ctx,
const char *device,
return AVERROR(EINVAL);
}
+ ent = av_dict_get(opts, "driver", NULL, 0);
+ if (ent) {
+#if VA_CHECK_VERSION(0, 38, 0)
+ VAStatus vas;
+ vas = vaSetDriverName(display, ent->value);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to set driver name to "
+ "%s: %d (%s).\n", ent->value, vas, vaErrorStr(vas));
+ vaTerminate(display);
+ return AVERROR_EXTERNAL;
+ }
+#else
+ av_log(ctx, AV_LOG_WARNING, "Driver name setting is not "
+ "supported with this VAAPI version.\n");
+ vaTerminate(display);
+ return AVERROR(ENOSYS);
+#endif
+ }
+
return vaapi_device_connect(ctx, display);
}
--
2.20.1
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