external iPF encoder

ipf_encoder/Makefile

@@ -0,0 +1,81 @@
+# Makefile for iPF (TSVM Interchangeable Picture Format) Encoder
+# Created by CuriousTorvald and Claude on 2025-12-19.
+
+CC = gcc
+CFLAGS = -std=c99 -Wall -Wextra -O2 -D_GNU_SOURCE
+DBGFLAGS =
+PREFIX = /usr/local
+
+# Zstd flags (use pkg-config if available, fallback for cross-platform compatibility)
+ZSTD_CFLAGS = $(shell pkg-config --cflags libzstd 2>/dev/null || echo "")
+ZSTD_LIBS = $(shell pkg-config --libs libzstd 2>/dev/null || echo "-lzstd")
+LIBS = -lm $(ZSTD_LIBS)
+
+# Targets
+TARGETS = encoder_ipf decoder_ipf
+
+# Build all (default)
+all: $(TARGETS)
+
+encoder_ipf: encoder_ipf.c
+	rm -f encoder_ipf
+	$(CC) $(CFLAGS) $(ZSTD_CFLAGS) -o encoder_ipf encoder_ipf.c $(LIBS)
+	@echo "iPF encoder built: encoder_ipf"
+
+decoder_ipf: decoder_ipf.c
+	rm -f decoder_ipf
+	$(CC) $(CFLAGS) $(ZSTD_CFLAGS) -o decoder_ipf decoder_ipf.c $(LIBS)
+	@echo "iPF decoder built: decoder_ipf"
+
+# Build with debug symbols
+debug: CFLAGS += -g -DDEBUG -fsanitize=address -fno-omit-frame-pointer
+debug: DBGFLAGS += -fsanitize=address -fno-omit-frame-pointer
+debug: clean $(TARGETS)
+
+# Build with optimizations
+release: CFLAGS = -std=c99 -Wall -Wextra -O3 -D_GNU_SOURCE -march=native
+release: clean $(TARGETS)
+
+# Clean build artifacts
+clean:
+	rm -f $(TARGETS) *.o
+
+# Install
+install: $(TARGETS)
+	cp encoder_ipf $(PREFIX)/bin/
+	cp decoder_ipf $(PREFIX)/bin/
+
+# Check for required dependencies
+check-deps:
+	@echo "Checking dependencies..."
+	@pkg-config --exists libzstd || (echo "Error: libzstd-dev not found. Install libzstd-dev or equivalent" && exit 1)
+	@which ffmpeg >/dev/null 2>&1 || (echo "Error: ffmpeg not found in PATH" && exit 1)
+	@which ffprobe >/dev/null 2>&1 || (echo "Error: ffprobe not found in PATH" && exit 1)
+	@echo "All dependencies found."
+
+# Help
+help:
+	@echo "iPF (TSVM Interchangeable Picture Format) Tools"
+	@echo ""
+	@echo "Targets:"
+	@echo "  all          - Build encoder and decoder (default)"
+	@echo "  encoder_ipf  - Build encoder only"
+	@echo "  decoder_ipf  - Build decoder only"
+	@echo "  debug        - Build with debug symbols and AddressSanitizer"
+	@echo "  release      - Build with full optimizations"
+	@echo "  clean        - Remove build artifacts"
+	@echo "  install      - Install to /usr/local/bin"
+	@echo "  check-deps   - Check for required dependencies"
+	@echo "  help         - Show this help"
+	@echo ""
+	@echo "Requirements:"
+	@echo "  - GCC with C99 support"
+	@echo "  - libzstd-dev (Zstd compression library)"
+	@echo "  - FFmpeg (for image encoding/decoding)"
+	@echo ""
+	@echo "Usage:"
+	@echo "  make                                          # Build all"
+	@echo "  ./encoder_ipf -i input.png -o output.ipf      # Encode"
+	@echo "  ./decoder_ipf -i output.ipf -o decoded.png    # Decode"
+
+.PHONY: all clean install check-deps help debug release