}
#if CONFIG_MPEG1_XVMC_HWACCEL
-AVHWAccel ff_mpeg1_xvmc_hwaccel = {
+const AVHWAccel ff_mpeg1_xvmc_hwaccel = {
.name = "mpeg1_xvmc",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG1VIDEO,
#endif
#if CONFIG_MPEG2_XVMC_HWACCEL
-AVHWAccel ff_mpeg2_xvmc_hwaccel = {
+const AVHWAccel ff_mpeg2_xvmc_hwaccel = {
.name = "mpeg2_xvmc",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG2VIDEO,