1 files changed, 20 insertions, 0 deletions
diff --git a/lisiblepng/src/bitstream.h b/lisiblepng/src/bitstream.h
new file mode 100644
index 0000000..72d8295
--- /dev/null
+++ b/lisiblepng/src/bitstream.h
@@ -0,0 +1,20 @@
+#ifndef CUTTERENG_BITSTREAM_H
+#define CUTTERENG_BITSTREAM_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct {
+  const uint8_t *data;
+  size_t data_size;
+
+  size_t current_byte_index;
+  uint8_t current_bit_offset;
+} Bitstream;
+
+void Bitstream_init(Bitstream *bitstream, const uint8_t *data,
+                    size_t data_size);
+void Bitstream_skip(Bitstream *bitstream, size_t bit_count);
+uint16_t Bitstream_next_bits(Bitstream *bitstream, int bit_count);
+
+#endif // CUTTERENG_BITSTREAM_H