init

10 files changed, 346 insertions, 0 deletions

diff --git a/.clang-format b/.clang-format
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+++ b/.clang-format
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+BasedOnStyle: LLVM
+UseTab: Never
+TabWidth: 2
+IndentWidth: 2
+
+Language: Cpp
+Standard: Auto
+
+ColumnLimit: 70
+MaxEmptyLinesToKeep: 1
+SpacesBeforeTrailingComments: 1
+AccessModifierOffset: -2
+PenaltyBreakAssignment: 100
+PenaltyReturnTypeOnItsOwnLine: 200
+
+IndentCaseLabels: true
+IndentExternBlock: NoIndent
+IndentGotoLabels: false
+IndentPPDirectives: AfterHash
+IndentRequires: true
+IndentWrappedFunctionNames: false
+NamespaceIndentation: All
+
+SpaceAfterCStyleCast: true
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: true
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCpp11BracedList: true
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceBeforeSquareBrackets: false
+SpaceInEmptyBlock: true
+SpaceInEmptyParentheses: false
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInConditionalStatement: false
+SpacesInSquareBrackets: false
+
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: Consecutive
+AlignConsecutiveBitFields: Consecutive
+AlignConsecutiveDeclarations: Consecutive
+AlignEscapedNewlines: Left
+AllowShortLambdasOnASingleLine: All
+AllowShortFunctionsOnASingleLine: Empty
+AllowShortBlocksOnASingleLine: Always
+AllowShortCaseLabelsOnASingleLine: true
+AllowShortLoopsOnASingleLine: true
+AllowAllArgumentsOnNextLine: true
+AllowAllConstructorInitializersOnNextLine: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AlwaysBreakTemplateDeclarations: Yes
+BinPackArguments: true
+BinPackParameters: true
+BreakBeforeConceptDeclarations: true
+BreakConstructorInitializers: AfterColon
+Cpp11BracedListStyle: false
+EmptyLineBeforeAccessModifier: LogicalBlock
+FixNamespaceComments: false
+PointerAlignment: Right
+ReflowComments: true
+SortIncludes: Never
+SortUsingDeclarations: true
diff --git a/.gitattributes b/.gitattributes
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index 0000000..176a458
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+* text=auto
diff --git a/.gitignore b/.gitignore
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index 0000000..66a8a0b
--- /dev/null
+++ b/.gitignore
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+/*build*/
+/source/kit/
+/source/stb/
+/source/sokol/
+/source/nanovg/
+/source/miniaudio/
+*.swp
diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2023 Mitya Selivanov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README b/README
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+++ b/README
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+Music sequencer and audio editor
+
+
+Tech
+
+- kit           - https://guattari.tech/kit.git
+- sokol_app     - https://github.com/floooh/sokol.git
+- nanovg        - https://github.com/memononen/nanovg.git
+- miniaudio     - https://github.com/mackron/miniaudio.git
+- portmidi      - https://github.com/PortMidi/portmidi.git
+
+
+Algorithms
+
+- Cooley-Tukey FFT
+- Biquad filter
+
+
+Primary design
+
+
+Basic UI
+
+- Bus list
+- Bus units
+- Track editor
+- Sheet editor
+
++---------+ +-----------------------------------+  +-[ Bus A ]-------+
+[+]Bus A  ^ | [ track 1 ====== ]                ^  [+] Arpeggiator   ^
+|---------| |                                   |  | [x] **  ***     |
+[+]Bus B  | |        [ track 2 ============== ] |  | [ ] <-->  ++    |
+|---------| |                                   |  |-----------------|
+[+]Master v |                                   v  [+] Synth         |
+[+]-------+ +<--------------------------------->+  |  ^   ^   ^  [ ] |
+                                                   | / \ / \ /   [x] |
++----[ track 2 ]--------------------------------+  |    V   V    [o] |
+|F >                                            ^  |-----------------|
+|E >        x   x                 x x       x   |  [+] Reverb        |
+|D >    x           x         x x       x       |  | <-----> [x] [u] |
+|C >  x   x   x   x   x               x   x     v  |                 v
++--|<------------------------------------------>+  [+]---------------+
+
+
+Modularity
+
+Music and audio features will be implemented as a separate library with no external dependencies.
+UI and audio devices will be distinct modules which can be replaced.
+
+
+Sheet data
+
+  /---------------------\
+  |                     |
+  |   Note              |
+  |                     |
+  |   time      : i64   |
+  |   duration  : i64   |
+  |   frequency : f64   |
+  |   amplitude : f64   |
+  |   flavor    : f64   |
+  |                     |
+  \---------------------/
+
+Unlike MIDI, we will allow to set any floating-point value for the note frequency.
+Time is defined as a sample index and therefore is relative to the sample rate.
+
+
+Processing
+
+A unit is a processing entity.
+
+  for each unit:
+    output[channel, time] = eval(inputs, channel, sample_rate, time)
+
+Unlike VST, time for a processing routine is one of explicit parameters.
+The processing routine can access any samples of inputs.
+This approach allows to evaluate samples non-sequentially, and even do some tricks like time-reverse effects.
+Changing the sample rate is also quite simple.
+
+
+Global matrix
+
+            /---------------------------\
+            |         Matrix            |
+            |                           |
+            | (connections data)        |
+            | A.out[0] -> B.in[0]       |-----------------+
+            | B.out[0] -> Master.in[0]  |----------------+|
+            | B.out[1] -> Master.in[1]  |                ||
+            \---------------------------/                ||
+               ^           |       ^^                    ||(in[0], in[1])
+               |           |       ||                    ||
+               |           |       ||(out[0], out[1])    vv
+/----------\   |           |   /----------\           /-----------\
+| Module A |---+           +-->| Module B |           | Master    |
+| (sheet)  | (out[0])  (in[0]) | (synth)  |           | (limiter) |
+\----------/                   \----------/           \-----------/
+
+The global matrix manages the information about connections between units.
+Each unit can communicate to others through the global matrix.
+Each unit can have inputs and outputs for sheet and signal channels.
+
+To get data from a producing unit, the receiving unit will request the data from the global matrix using the input index.
+The global matrix will resolve the producing unit by input index, and request data from it.
+The evaluation startes from the master and gradually reaches all required units.
+
+
+Global modifiers
+
+Special units can affect all regular units, filtered by some criteria.
+This will allow to do some global changes, e.g. change the musical scale of the entire composition.
+
+
+Customization
+
+In the matrix mode, any inputs and outputs can be connected.
+A custom unit can be created with code editor and JIT-compilation.
diff --git a/TODO b/TODO
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+++ b/TODO
@@ -0,0 +1 @@
+ 
diff --git a/build_and_test.sh b/build_and_test.sh
new file mode 100644
index 0000000..5a96b0a
--- /dev/null
+++ b/build_and_test.sh
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+if [ ! -d "build" ]; then
+  mkdir build
+fi
+
+OS=Linux
+COMPILE=gcc
+OBJ_POSTFIX=.o
+EXE_POSTFIX=
+FLAGS=
+FLAG_OBJ="-c -o "
+FLAG_EXE="-o "
+LINK_FLAGS=
+
+if    [ "$2" = "gcc" ]; then
+  COMPILE=gcc
+elif  [ "$2" = "clang" ]; then
+  COMPILE=clang
+elif  [ "$2" = "msvc" ]; then
+  COMPILE=cl.exe
+  OBJ_POSTFIX=.obj
+  FLAG_OBJ="-c -Fo"
+  FLAG_EXE="-Fe"
+elif  [ "$2" != "" ]; then
+  echo "Unknown C compiler"
+  exit 1
+fi
+
+if [ "$2" != "" ]; then
+  if command -v $COMPILE >/dev/null 2>&1; then
+    echo "C compiler found"
+  else
+    echo "C compiler not found"
+    exit 1
+  fi
+fi
+
+case $(uname | tr '[:upper:]' '[:lower:]') in
+  *darwin*)
+    OS=macOS
+    if [ "$2" = "" ]; then
+      if    command -v clang >/dev/null 2>&1; then
+        echo "C compiler found - Clang"
+        COMPILE=clang
+      elif  command -v gcc >/dev/null 2>&1; then
+        echo "C compiler found - GCC"
+      else
+        echo "C compiler not found"
+        exit 1
+      fi
+    fi
+    ;;
+  *msys*|*cygwin*|*mingw*|*nt*|*win*)
+    OS=Windows
+    EXE_POSTFIX=.exe
+    if [ "$2" = "" ]; then
+      if    command -v cl.exe >/dev/null 2>&1; then
+        echo "C compiler found - MSVC"
+        COMPILE=cl.exe
+        OBJ_POSTFIX=.obj
+        FLAG_OBJ="-c -Fo"
+        FLAG_EXE="-Fe"
+      elif  command -v gcc >/dev/null 2>&1; then
+        echo "C compiler found - GCC"
+      elif  command -v clang >/dev/null 2>&1; then
+        echo "C compiler found - Clang"
+        COMPILE=clang
+      else
+        echo "C compiler not found"
+        exit 1
+      fi
+    fi
+    if [ "$COMPILE" = "cl.exe" ]; then
+      LINK_FLAGS="Shlwapi.lib Advapi32.lib"
+    else
+      LINK_FLAGS="-lShlwapi -lAdvapi32"
+    fi
+    ;;
+  *)
+    if [ "$2" = "" ]; then
+      if    command -v gcc >/dev/null 2>&1; then
+        echo "C compiler found - GCC"
+      elif  command -v clang >/dev/null 2>&1; then
+        echo "C compiler found - Clang"
+        COMPILE=clang
+      else
+        echo "C compiler not found"
+        exit 1
+      fi
+    fi
+    ;;
+esac
+
+if [ "$COMPILE" = "gcc" ] || [ "$COMPILE" = "clang" ]; then
+  if    [ "$1" = "release" ]; then
+    FLAGS="-O3"
+  elif  [ "$COMPILE" = "gcc" ] && [ "$OS" != "Windows" ]; then
+    FLAGS="-O0 -fsanitize=undefined,address,leak"
+  elif  [ "$OS" != "Windows" ]; then
+    FLAGS="-O0 -fsanitize=undefined,address"
+  else
+    FLAGS="-O0"
+  fi
+else
+  if [ "$1" = "release" ]; then
+    FLAGS="-O2"
+  else
+    FLAGS="-Od"
+  fi
+fi
+
+echo ""
+
+echo "Build saw_test_suite"
+$COMPILE ${FLAGS} \
+  ${FLAG_EXE}"build/saw_test_suite${EXE_POSTFIX}" \
+  "source/tests/_static.c" \
+  ${LINK_FLAGS}
+if [ $? -ne 0 ]; then
+  exit 1
+fi
+
+echo "Run tests"
+echo ""
+
+STATUS=0
+
+./build/saw_test_suite
+if [ $? -ne 0 ]; then
+  STATUS=1
+fi
+
+exit $STATUS
diff --git a/refetch_deps.sh b/refetch_deps.sh
new file mode 100644
index 0000000..8d1c8b6
--- /dev/null
+++ b/refetch_deps.sh
@@ -0,0 +1 @@
+ 
diff --git a/source/tests/_static.c b/source/tests/_static.c
new file mode 100644
index 0000000..8d1c8b6
--- /dev/null
+++ b/source/tests/_static.c
@@ -0,0 +1 @@
+ 
diff --git a/source/tests/main.test.c b/source/tests/main.test.c
new file mode 100644
index 0000000..8d1c8b6
--- /dev/null
+++ b/source/tests/main.test.c
@@ -0,0 +1 @@
+