DXVA_CONTEXT_CFG_BITSTREAM  192 libavcodec/dxva2_h264.c     assert(DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 1 ||
DXVA_CONTEXT_CFG_BITSTREAM  193 libavcodec/dxva2_h264.c            DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 2);
DXVA_CONTEXT_CFG_BITSTREAM  194 libavcodec/dxva2_h264.c     return DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) == 2;