mirror of
https://github.com/ggerganov/whisper.cpp.git
synced 2025-02-02 00:57:56 +00:00
wchess: preparing dyn grammar
This commit is contained in:
Fraxy V
parent
d313034b9c
commit
8962a6bd67
@ -2,6 +2,7 @@
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#include <vector>
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#include <algorithm>
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#include <cassert>
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#include <set>
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static constexpr std::array<const char*, 64> positions = {
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"a1", "b1", "c1", "d1", "e1", "f1", "g1", "h1",
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@ -14,46 +15,57 @@ static constexpr std::array<const char*, 64> positions = {
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"a8", "b8", "c8", "d8", "e8", "f8", "g8", "h8",
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};
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constexpr auto INVALID_POS = positions.size();
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constexpr int operator ""_P(const char * c, size_t size) {
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if (size < 2) return INVALID_POS;
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int file = c[0] - 'a';
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int rank = c[1] - '1';
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int pos = rank * 8 + file;
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if (pos < 0 || pos >= int(INVALID_POS)) return INVALID_POS;
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return pos;
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}
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static constexpr std::array<const char*, 6> pieceNames = {
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"pawn", "knight", "bishop", "rook", "queen", "king",
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};
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Chessboard::Chessboard()
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: blackPieces {{
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{Piece::Pawn, Piece::Black, 48 },
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{Piece::Pawn, Piece::Black, 49 },
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{Piece::Pawn, Piece::Black, 50 },
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{Piece::Pawn, Piece::Black, 51 },
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{Piece::Pawn, Piece::Black, 52 },
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{Piece::Pawn, Piece::Black, 53 },
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{Piece::Pawn, Piece::Black, 54 },
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{Piece::Pawn, Piece::Black, 55 },
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{Piece::Rook, Piece::Black, 56 },
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{Piece::Knight, Piece::Black, 57 },
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{Piece::Bishop, Piece::Black, 58 },
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{Piece::Queen, Piece::Black, 59 },
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{Piece::King, Piece::Black, 60 },
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{Piece::Bishop, Piece::Black, 61 },
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{Piece::Knight, Piece::Black, 62 },
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{Piece::Rook, Piece::Black, 63 },
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{Piece::Pawn, Piece::Black, "a7"_P },
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{Piece::Pawn, Piece::Black, "b7"_P },
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{Piece::Pawn, Piece::Black, "c7"_P },
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{Piece::Pawn, Piece::Black, "d7"_P },
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{Piece::Pawn, Piece::Black, "e7"_P },
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{Piece::Pawn, Piece::Black, "f7"_P },
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{Piece::Pawn, Piece::Black, "g7"_P },
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{Piece::Pawn, Piece::Black, "h7"_P },
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{Piece::Rook, Piece::Black, "a8"_P },
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{Piece::Knight, Piece::Black, "b8"_P },
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{Piece::Bishop, Piece::Black, "c8"_P },
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{Piece::Queen, Piece::Black, "d8"_P },
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{Piece::King, Piece::Black, "e8"_P },
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{Piece::Bishop, Piece::Black, "f8"_P },
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{Piece::Knight, Piece::Black, "g8"_P },
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{Piece::Rook, Piece::Black, "h8"_P },
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}}
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, whitePieces {{
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{Piece::Pawn, Piece::White, 8 },
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{Piece::Pawn, Piece::White, 9 },
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{Piece::Pawn, Piece::White, 10 },
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{Piece::Pawn, Piece::White, 11 },
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{Piece::Pawn, Piece::White, 12 },
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{Piece::Pawn, Piece::White, 13 },
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{Piece::Pawn, Piece::White, 14 },
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{Piece::Pawn, Piece::White, 15 },
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{Piece::Rook, Piece::White, 0 },
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{Piece::Knight, Piece::White, 1 },
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{Piece::Bishop, Piece::White, 2 },
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{Piece::Queen, Piece::White, 3 },
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{Piece::King, Piece::White, 4 },
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{Piece::Bishop, Piece::White, 5 },
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{Piece::Knight, Piece::White, 6 },
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{Piece::Rook, Piece::White, 7 },
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{Piece::Pawn, Piece::White, "a2"_P },
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{Piece::Pawn, Piece::White, "b2"_P },
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{Piece::Pawn, Piece::White, "c2"_P },
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{Piece::Pawn, Piece::White, "d2"_P },
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{Piece::Pawn, Piece::White, "e2"_P },
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{Piece::Pawn, Piece::White, "f2"_P },
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{Piece::Pawn, Piece::White, "g2"_P },
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{Piece::Pawn, Piece::White, "h2"_P },
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{Piece::Rook, Piece::White, "a1"_P },
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{Piece::Knight, Piece::White, "b1"_P },
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{Piece::Bishop, Piece::White, "c1"_P },
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{Piece::Queen, Piece::White, "d1"_P },
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{Piece::King, Piece::White, "e1"_P },
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{Piece::Bishop, Piece::White, "f1"_P },
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{Piece::Knight, Piece::White, "g1"_P },
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{Piece::Rook, Piece::White, "h1"_P },
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}}
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, board {{
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&whitePieces[ 8], &whitePieces[ 9], &whitePieces[10], &whitePieces[11], &whitePieces[12], &whitePieces[13], &whitePieces[14], &whitePieces[15],
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@ -65,8 +77,75 @@ Chessboard::Chessboard()
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&blackPieces[ 0], &blackPieces[ 1], &blackPieces[ 2], &blackPieces[ 3], &blackPieces[ 4], &blackPieces[ 5], &blackPieces[ 6], &blackPieces[ 7],
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&blackPieces[ 8], &blackPieces[ 9], &blackPieces[10], &blackPieces[11], &blackPieces[12], &blackPieces[13], &blackPieces[14], &blackPieces[15],
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}}
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, whiteMoves {
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{"b1"_P, "a3"_P}, {"b1"_P, "c3"_P},
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{"g1"_P, "f3"_P}, {"g1"_P, "h3"_P},
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{"a2"_P, "a3"_P}, {"a2"_P, "a4"_P},
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{"b2"_P, "b3"_P}, {"b2"_P, "b4"_P},
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{"c2"_P, "c3"_P}, {"c2"_P, "c4"_P},
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{"d2"_P, "d3"_P}, {"d2"_P, "d4"_P},
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{"e2"_P, "e3"_P}, {"e2"_P, "e4"_P},
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{"f2"_P, "f3"_P}, {"f2"_P, "f4"_P},
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{"g2"_P, "g3"_P}, {"g2"_P, "g4"_P},
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{"h2"_P, "h3"_P}, {"h2"_P, "h4"_P},
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}
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, blackMoves {
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{"a7"_P, "a5"_P}, {"a7"_P, "a6"_P},
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{"b7"_P, "b5"_P}, {"b7"_P, "b6"_P},
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{"c7"_P, "c5"_P}, {"c7"_P, "c6"_P},
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{"d7"_P, "d5"_P}, {"d7"_P, "d6"_P},
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{"e7"_P, "e5"_P}, {"e7"_P, "e6"_P},
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{"f7"_P, "f5"_P}, {"f7"_P, "f6"_P},
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{"g7"_P, "g5"_P}, {"g7"_P, "g6"_P},
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{"h7"_P, "h5"_P}, {"h7"_P, "h6"_P},
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{"b8"_P, "a6"_P}, {"b8"_P, "c6"_P},
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{"g8"_P, "f6"_P}, {"g8"_P, "h6"_P},
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}
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{
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static_assert(pieceNames.size() == Chessboard::Piece::Taken, "Mismatch between piece names and types");
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std::sort(whiteMoves.begin(), whiteMoves.end());
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std::sort(blackMoves.begin(), blackMoves.end());
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}
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std::string Chessboard::getRules() const {
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// leading space is very important!
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std::string result =
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"\n"
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"# leading space is very important!\n"
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"\n"
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"move ::= \" \" ((piece | frompos) \" \" \"to \"?)? topos\n"
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"\n";
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std::set<std::string> pieces;
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std::set<std::string> from_pos;
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std::set<std::string> to_pos;
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auto& allowed_moves = m_moveCounter % 2 ? blackMoves : whiteMoves;
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for (auto& m : allowed_moves) {
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if (board[m.first]->type != Piece::Taken) pieces.insert(pieceNames[board[m.first]->type]);
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from_pos.insert(positions[m.first]);
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to_pos.insert(positions[m.second]);
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}
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if (!pieces.empty()) {
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result += "piece ::= (";
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for (auto& p : pieces) result += " \"" + p + "\" |";
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result.pop_back();
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result += ")\n\n";
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}
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if (!from_pos.empty()) {
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result += "frompos ::= (";
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for (auto& p : from_pos) result += " \"" + p + "\" |";
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result.pop_back();
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result += ")\n";
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}
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if (!to_pos.empty()) {
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result += "topos ::= (";
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for (auto& p : to_pos) result += " \"" + p + "\" |";
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result.pop_back();
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result += ")\n";
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}
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return result;
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}
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std::string Chessboard::stringifyBoard() {
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@ -93,7 +172,7 @@ std::string Chessboard::stringifyBoard() {
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result.push_back('0' + i + 1);
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result.push_back('\n');
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}
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return result;
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return result;
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}
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std::vector<std::string_view> split(std::string_view str, char del) {
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@ -119,57 +198,59 @@ Chessboard::Piece::Types Chessboard::tokenToType(std::string_view token) {
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}
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size_t Chessboard::tokenToPos(std::string_view token) {
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if (token.size() < 2) return positions.size();
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int file = token[0] - 'a';
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int rank = token[1] - '1';
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int pos = rank * 8 + file;
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if (pos < 0 || pos >= int(positions.size())) return positions.size();
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return pos;
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return operator ""_P(token.data(), token.size());
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}
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std::string Chessboard::process(const std::string& transcription) {
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auto commands = split(transcription, ',');
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void Chessboard::updateMoves(const Move& m) {
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// todo
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}
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// fixme: lookup depends on grammar
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int count = m_moveCounter;
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std::vector<Move> moves;
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std::string result;
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result.reserve(commands.size() * 6);
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for (auto& command : commands) {
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fprintf(stdout, "%s: Command '%s%.*s%s'\n", __func__, "\033[1m", int(command.size()), command.data(), "\033[0m");
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if (command.empty()) continue;
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auto tokens = split(command, ' ');
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Piece::Types type = Piece::Types::Taken;
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size_t pos = positions.size();
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if (tokens.size() == 1) {
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type = Piece::Types::Pawn;
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pos = tokenToPos(tokens[0]);
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}
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else if (tokens.size() == 3) {
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type = tokenToType(tokens[0]);
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assert(tokens[1] == "to");
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pos = tokenToPos(tokens[2]);
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}
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if (type == Piece::Types::Taken || pos == positions.size()) continue;
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auto& pieces = count % 2 ? blackPieces : whitePieces;
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std::string Chessboard::process(const std::string& command) {
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fprintf(stdout, "%s: Command '%s%.*s%s'\n", __func__, "\033[1m", int(command.size()), command.data(), "\033[0m");
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if (command.empty()) return "";
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auto tokens = split(command, ' ');
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for (auto& t : tokens) fprintf(stdout, "%s: Token %.*s\n", __func__, int(t.size()), t.data());
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auto pos_from = INVALID_POS;
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auto type = Piece::Types::Taken;
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auto pos_to = INVALID_POS;
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if (tokens.size() == 1) {
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type = Piece::Types::Pawn;
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pos_to = tokenToPos(tokens[0]);
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}
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else {
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pos_from = tokenToPos(tokens.front());
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if (pos_from == INVALID_POS) type = tokenToType(tokens.front());
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pos_to = tokenToPos(tokens.back());
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}
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if (pos_to == INVALID_POS) return "";
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auto color = Piece::Colors(m_moveCounter % 2);
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if (pos_from == INVALID_POS) {
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if (type == Piece::Types::Taken) return "";
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auto& pieces = color ? blackPieces : whitePieces;
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auto pieceIndex = 0u;
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for (; pieceIndex < pieces.size(); ++pieceIndex) {
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if (pieces[pieceIndex].type == type && validateMove(pieces[pieceIndex], pos)) break;
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}
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Move m = {pieces[pieceIndex].pos, pos};
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if (pieceIndex < pieces.size() && move({m})) {
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result.append(positions[m.first]);
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result.push_back('-');
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result.append(positions[m.second]);
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result.push_back(' ');
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++count;
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if (pieces[pieceIndex].type == type && validateMove(pieces[pieceIndex], pos_to)) break;
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}
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if (pieceIndex == pieces.size()) return "";
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pos_from = pieces[pieceIndex].pos;
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}
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if (!result.empty()) result.pop_back();
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m_moveCounter = count;
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fprintf(stdout, "%s: Moves '%s%s%s'\n", __func__, "\033[1m", result.data(), "\033[0m");
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if (board[pos_from] == nullptr) return "";
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if (board[pos_from]->color != color) return "";
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Move m = {pos_from, pos_to};
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auto& allowed_moves = color ? blackMoves : whiteMoves;
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auto it = std::lower_bound(allowed_moves.begin(), allowed_moves.end(), m);
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if (it == allowed_moves.end() || *it != m) return "";
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allowed_moves.erase(it);
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move(m);
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updateMoves(m);
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std::string result = positions[m.first];
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result += "-";
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result += positions[m.second];
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++m_moveCounter;
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fprintf(stdout, "%s: Move '%s%s%s'\n", __func__, "\033[1m", result.data(), "\033[0m");
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return result;
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}
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@ -8,9 +8,11 @@ public:
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Chessboard();
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std::string process(const std::string& t);
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std::string stringifyBoard();
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private:
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std::string getRules() const;
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using Move = std::pair<int, int>;
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private:
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bool move(const Move& move);
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void updateMoves(const Move& move);
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struct Piece {
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enum Types {
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@ -24,8 +26,8 @@ private:
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};
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enum Colors {
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White,
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Black,
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White
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};
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Types type;
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@ -44,6 +46,9 @@ private:
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using Board = std::array<Piece*, 64>;
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Board board;
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std::vector<Move> whiteMoves;
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std::vector<Move> blackMoves;
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bool validateMove(const Piece& piece, int pos);
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// just basic validation
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// fixme: missing en passant, castling, promotion, etc.
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@ -4,24 +4,6 @@
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#include "common.h"
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#include <thread>
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static constexpr auto RULES =
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"\n"
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"root ::= move \".\"\n"
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"prompt ::= init \".\"\n"
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"\n"
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"# leading space is very important!\n"
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"init ::= \" rook to b4, f3\"\n"
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"\n"
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"move ::= \" \" ((piece | pawn | king) \" \" \"to \"?)? [a-h] [1-8]\n"
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"\n"
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"piece ::= \"bishop\" | \"rook\" | \"knight\" | \"queen\"\n"
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"king ::= \"king\"\n"
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"pawn ::= \"pawn\"\n"
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"\n";
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static constexpr auto PROMPT = "rook to b4, f3";
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static constexpr auto CONTEXT = "d4 d5 knight to c3, pawn to a1, bishop to b2 king e8,";
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WChess::WChess(whisper_context * ctx,
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const whisper_full_params & wparams,
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callbacks cb,
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@ -78,86 +60,38 @@ void WChess::run() {
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std::vector<float> pcmf32_cur;
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std::vector<float> pcmf32_prompt;
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const std::string k_prompt = PROMPT;
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auto grammar_parsed = grammar_parser::parse(RULES);
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auto grammar_rules = grammar_parsed.c_rules();
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if (grammar_parsed.rules.empty()) {
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fprintf(stdout, "%s: Failed to parse grammar ...\n", __func__);
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}
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else {
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m_wparams.grammar_rules = grammar_rules.data();
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m_wparams.n_grammar_rules = grammar_rules.size();
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}
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std::string prompt = "";
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float prompt_prop = 0.0f;
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while (check_running()) {
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// delay
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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if (ask_prompt) {
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fprintf(stdout, "\n");
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fprintf(stdout, "%s: Say the following phrase: '%s%s%s'\n", __func__, "\033[1m", k_prompt.c_str(), "\033[0m");
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fprintf(stdout, "\n");
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{
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char txt[1024];
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snprintf(txt, sizeof(txt), "Say the following phrase: '%s'", k_prompt.c_str());
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set_status(txt);
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}
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ask_prompt = false;
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}
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int64_t t_ms = 0;
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{
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get_audio(m_settings.vad_ms, pcmf32_cur);
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if (!pcmf32_cur.empty()) {
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fprintf(stdout, "%s: Speech detected! Processing ...\n", __func__);
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set_status("Speech detected! Processing ...");
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fprintf(stdout, "%s: Processing ...\n", __func__);
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set_status("Processing ...");
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if (!have_prompt) {
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m_wparams.i_start_rule = grammar_parsed.symbol_ids.at("prompt");
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const auto txt = ::trim(transcribe(pcmf32_cur, logprob_min, logprob_sum, n_tokens, t_ms));
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fprintf(stdout, "%s: Heard '%s%s%s', (t = %d ms)\n", __func__, "\033[1m", txt.c_str(), "\033[0m", (int) t_ms);
|
||||
|
||||
const float sim = similarity(txt, k_prompt);
|
||||
|
||||
if (txt.length() < 0.8*k_prompt.length() || txt.length() > 1.2*k_prompt.length() || sim < 0.8f) {
|
||||
fprintf(stdout, "%s: WARNING: prompt not recognized, try again\n", __func__);
|
||||
ask_prompt = true;
|
||||
} else {
|
||||
fprintf(stdout, "\n");
|
||||
fprintf(stdout, "%s: The prompt has been recognized!\n", __func__);
|
||||
fprintf(stdout, "%s: Waiting for voice commands ...\n", __func__);
|
||||
fprintf(stdout, "\n");
|
||||
|
||||
{
|
||||
char txt[1024];
|
||||
snprintf(txt, sizeof(txt), "Success! Waiting for voice commands ...");
|
||||
set_status(txt);
|
||||
}
|
||||
|
||||
// save the audio for the prompt
|
||||
pcmf32_prompt = pcmf32_cur;
|
||||
have_prompt = true;
|
||||
}
|
||||
} else {
|
||||
// prepend 3 second of silence
|
||||
// pcmf32_cur.insert(pcmf32_cur.begin(), 3*WHISPER_SAMPLE_RATE, 0.0f);
|
||||
|
||||
// prepend the prompt audio
|
||||
// pcmf32_cur.insert(pcmf32_cur.begin(), pcmf32_prompt.begin(), pcmf32_prompt.end());
|
||||
{
|
||||
if (!pcmf32_prompt.empty()) pcmf32_cur.insert(pcmf32_cur.begin(), pcmf32_prompt.begin(), pcmf32_prompt.end());
|
||||
|
||||
if (WHISPER_SAMPLE_RATE > pcmf32_cur.size()) pcmf32_cur.insert(pcmf32_cur.begin(), WHISPER_SAMPLE_RATE - pcmf32_cur.size(), 0.0f);
|
||||
|
||||
m_wparams.i_start_rule = grammar_parsed.symbol_ids.at("root");
|
||||
std::string rules = m_board->getRules();
|
||||
fprintf(stdout, "%s: grammar rules:\n'%s'\n", __func__, rules.c_str());
|
||||
|
||||
auto grammar_parsed = grammar_parser::parse(rules.c_str());
|
||||
auto grammar_rules = grammar_parsed.c_rules();
|
||||
|
||||
m_wparams.grammar_rules = grammar_rules.data();
|
||||
m_wparams.n_grammar_rules = grammar_rules.size();
|
||||
|
||||
m_wparams.i_start_rule = grammar_parsed.symbol_ids.at("move");
|
||||
auto txt = ::trim(transcribe(pcmf32_cur, logprob_min, logprob_sum, n_tokens, t_ms));
|
||||
txt = PROMPT + txt;
|
||||
|
||||
const float p = 100.0f * std::exp(logprob_min);
|
||||
|
||||
@ -166,20 +100,18 @@ void WChess::run() {
|
||||
// find the prompt in the text
|
||||
float best_sim = 0.0f;
|
||||
size_t best_len = 0;
|
||||
for (int n = 0.8*k_prompt.size(); n <= 1.2*k_prompt.size(); ++n) {
|
||||
if (n >= int(txt.size())) {
|
||||
break;
|
||||
}
|
||||
if (!prompt.empty()) {
|
||||
auto pos = txt.find_first_of('.');
|
||||
|
||||
const auto prompt = txt.substr(0, n);
|
||||
const auto header = txt.substr(0, pos);
|
||||
|
||||
const float sim = similarity(prompt, k_prompt);
|
||||
const float sim = similarity(prompt, header);
|
||||
|
||||
//fprintf(stderr, "%s: prompt = '%s', sim = %f\n", __func__, prompt.c_str(), sim);
|
||||
|
||||
if (sim > best_sim) {
|
||||
best_sim = sim;
|
||||
best_len = n;
|
||||
best_len = pos + 1;
|
||||
}
|
||||
}
|
||||
|
||||
@ -195,7 +127,10 @@ void WChess::run() {
|
||||
set_status(txt);
|
||||
}
|
||||
if (!command.empty()) {
|
||||
set_moves(m_board->process(command));
|
||||
auto move = m_board->process(command);
|
||||
if (!move.empty()) {
|
||||
set_moves(std::move(move));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user