39 enum class EncodeResult {  enum
79     virtual EncodeResult Encode(Block* output) = 0;
113     EncodeResult Encode(Block* output) final {  in Encode()
130             return finished_ ? EncodeResult::Done : EncodeResult::NeedInput;  in Encode()
132         return EncodeResult::MoreOutput;  in Encode()
188     EncodeResult Encode(Block* output) final {  in Encode()
206                 return EncodeResult::Error;  in Encode()
217                 return EncodeResult::Done;  in Encode()
222                 return EncodeResult::MoreOutput;  in Encode()
224                 return EncodeResult::NeedInput;  in Encode()
309     EncodeResult Encode(Block* output) final {  in Encode()
325                 return EncodeResult::Error;  in Encode()
338                 return EncodeResult::Error;  in Encode()
358                 return EncodeResult::Error;  in Encode()
373             return EncodeResult::Done;  in Encode()
375             return EncodeResult::MoreOutput;  in Encode()
377         return EncodeResult::NeedInput;  in Encode()
445     EncodeResult Encode(Block* output) final {  in Encode()
462             return EncodeResult::Error;  in Encode()
473                     return EncodeResult::Error;  in Encode()
475                 return EncodeResult::Done;  in Encode()
477                 return input_buffer_.empty() ? EncodeResult::NeedInput : EncodeResult::MoreOutput;  in Encode()
480             return EncodeResult::MoreOutput;  in Encode()