}
#if CONFIG_WMV3_DXVA2_HWACCEL
-AVHWAccel ff_wmv3_dxva2_hwaccel = {
+const AVHWAccel ff_wmv3_dxva2_hwaccel = {
.name = "wmv3_dxva2",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_WMV3,
#endif
#if CONFIG_VC1_DXVA2_HWACCEL
-AVHWAccel ff_vc1_dxva2_hwaccel = {
+const AVHWAccel ff_vc1_dxva2_hwaccel = {
.name = "vc1_dxva2",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VC1,
#endif
#if CONFIG_WMV3_D3D11VA_HWACCEL
-AVHWAccel ff_wmv3_d3d11va_hwaccel = {
+const AVHWAccel ff_wmv3_d3d11va_hwaccel = {
.name = "wmv3_d3d11va",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_WMV3,
#endif
#if CONFIG_WMV3_D3D11VA2_HWACCEL
-AVHWAccel ff_wmv3_d3d11va2_hwaccel = {
+const AVHWAccel ff_wmv3_d3d11va2_hwaccel = {
.name = "wmv3_d3d11va2",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_WMV3,
#endif
#if CONFIG_VC1_D3D11VA_HWACCEL
-AVHWAccel ff_vc1_d3d11va_hwaccel = {
+const AVHWAccel ff_vc1_d3d11va_hwaccel = {
.name = "vc1_d3d11va",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VC1,
#endif
#if CONFIG_VC1_D3D11VA2_HWACCEL
-AVHWAccel ff_vc1_d3d11va2_hwaccel = {
+const AVHWAccel ff_vc1_d3d11va2_hwaccel = {
.name = "vc1_d3d11va2",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VC1,