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 | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/libavutil/hwcontext_vaapi.c b/libavutil/hwcontext_vaapi.c
index 8624369bb9..eb3a78d181 100644
--- a/libavutil/hwcontext_vaapi.c
+++ b/libavutil/hwcontext_vaapi.c
@@ -1469,6 +1469,8 @@ static int vaapi_device_create(AVHWDeviceContext *ctx,
const char *device,
{
VAAPIDevicePriv *priv;
VADisplay display = NULL;
+ const AVDictionaryEntry *driver;
+ VAStatus vas;
priv = av_mallocz(sizeof(*priv));
if (!priv)
@@ -1530,6 +1532,17 @@ static int vaapi_device_create(AVHWDeviceContext *ctx,
const char *device,
return AVERROR(EINVAL);
}
+ driver = av_dict_get(opts, "driver", NULL, 0);
+ if (driver) {
+ vas = vaSetDriverName(display, driver->value);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to set driver name to "
+ "%s: %d (%s).\n", driver->value, vas, vaErrorStr(vas));
+ vaTerminate(display);
+ return AVERROR_UNKNOWN;
+ }
+ }
+
return vaapi_device_connect(ctx, display);
}
--
2.19.1
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