| 13 | #endif |
| 14 | |
| 15 | MAA_CTRL_UNIT_NS_BEGIN |
| 16 | |
| 17 | std::optional<cv::Mat> |
| 18 | ScreencapHelper::process_data(std::string& buffer, std::function<std::optional<cv::Mat>(const std::string& buffer)> decoder) |
| 19 | { |
| 20 | bool tried_clean = false; |
| 21 | |
| 22 | #ifdef _WIN32 |
| 23 | if (end_of_line_ == EndOfLine::UnknownYet) { |
| 24 | auto saved = buffer; |
| 25 | if (clean_cr(buffer)) { |
| 26 | auto res = decoder(buffer); |
| 27 | if (res) { |
| 28 | LogInfo << "end_of_line is CRLF"; |
| 29 | end_of_line_ = EndOfLine::CRLF; |
| 30 | return res; |
| 31 | } |
| 32 | else { |
| 33 | saved.swap(buffer); |
| 34 | } |
| 35 | } |
| 36 | tried_clean = true; |
| 37 | } |
| 38 | #endif |
| 39 | |
| 40 | if (end_of_line_ == EndOfLine::CRLF) { |
| 41 | tried_clean = true; |
| 42 | if (!clean_cr(buffer)) { |
| 43 | LogInfo << "end_of_line is set to CRLF but no `\\r\\n` found, set it to LF"; |
| 44 | end_of_line_ = EndOfLine::LF; |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | auto res = decoder(buffer); |
| 49 | |
| 50 | if (res) { |
| 51 | if (end_of_line_ == EndOfLine::UnknownYet) { |
| 52 | LogInfo << "end_of_line is LF"; |
| 53 | end_of_line_ = EndOfLine::LF; |
| 54 | } |
| 55 | return res; |
| 56 | } |
| 57 | |
| 58 | LogInfo << "data is not empty, but image is empty"; |
| 59 | if (tried_clean) { |
| 60 | LogError << "skip retry decoding and decode failed!"; |
| 61 | return std::nullopt; |
| 62 | } |
| 63 | |
| 64 | LogInfo << "try to cvt lf"; |
| 65 | if (!clean_cr(buffer)) { |
| 66 | LogError << "no `\\r\\n` found, skip retry decode"; |
| 67 | return std::nullopt; |
| 68 | } |
| 69 | |
| 70 | res = decoder(buffer); |
| 71 | |
| 72 | if (!res) { |