Merge pull request #150 from davidhubbard/master
Fix #44: document _ofs header fields
diff --git a/spec/basis_spec.txt b/spec/basis_spec.txt
index 3b6649e..ba9fa4b 100644
--- a/spec/basis_spec.txt
+++ b/spec/basis_spec.txt
@@ -105,11 +105,11 @@
uint32 m_userdata1; // For client use
uint16 m_total_endpoints; // ETC1S: The number of endpoints in the endpoint codebook
- uint32 m_endpoint_cb_file_ofs; // ETC1S: The compressed endpoint codebook's file offset relative to the header
+ uint32 m_endpoint_cb_file_ofs; // ETC1S: The compressed endpoint codebook's file offset relative to the start of the file
uint24 m_endpoint_cb_file_size; // ETC1S: The compressed endpoint codebook's size in bytes
uint16 m_total_selectors; // ETC1S: The number of selectors in the selector codebook
- uint32 m_selector_cb_file_ofs; // ETC1S: The compressed selector codebook's file offset relative to the header
+ uint32 m_selector_cb_file_ofs; // ETC1S: The compressed selector codebook's file offset relative to the start of the file
uint24 m_selector_cb_file_size; // ETC1S: The compressed selector codebook's size in bytes
uint32 m_tables_file_ofs; // ETC1S: The file offset of the compressed Huffman codelength tables.
@@ -169,7 +169,7 @@
* m_orig_height: The original image height (may not be a multiple of 4 pixels)
* m_num_blocks_x: The slice's block X dimensions. Each block is 4x4 pixels. The slice's pixel resolution may or may not be a power of 2.
* m_num_blocks_y: The slice's block Y dimensions.
-* m_file_ofs: Offset from the header to the start of the slice's data
+* m_file_ofs: Offset from the start of the file to the start of the slice's data
* m_file_size: The size of the compressed slice data in bytes
* m_slice_data_crc16: The CRC16 of the compressed slice data, for extra-paranoid use cases
diff --git a/transcoder/basisu_file_headers.h b/transcoder/basisu_file_headers.h
index e682996..a9c67f9 100644
--- a/transcoder/basisu_file_headers.h
+++ b/transcoder/basisu_file_headers.h
@@ -38,7 +38,7 @@
basisu::packed_uint<2> m_num_blocks_x; // The slice's block X dimensions. Each block is 4x4 pixels. The slice's pixel resolution may or may not be a power of 2.
basisu::packed_uint<2> m_num_blocks_y; // The slice's block Y dimensions.
- basisu::packed_uint<4> m_file_ofs; // Offset from the header to the start of the slice's data
+ basisu::packed_uint<4> m_file_ofs; // Offset from the start of the file to the start of the slice's data
basisu::packed_uint<4> m_file_size; // The size of the compressed slice data in bytes
basisu::packed_uint<2> m_slice_data_crc16; // The CRC16 of the compressed slice data, for extra-paranoid use cases
@@ -107,11 +107,11 @@
basisu::packed_uint<4> m_userdata1; // For client use
basisu::packed_uint<2> m_total_endpoints; // The number of endpoints in the endpoint codebook
- basisu::packed_uint<4> m_endpoint_cb_file_ofs; // The compressed endpoint codebook's file offset relative to the header
+ basisu::packed_uint<4> m_endpoint_cb_file_ofs; // The compressed endpoint codebook's file offset relative to the start of the file
basisu::packed_uint<3> m_endpoint_cb_file_size; // The compressed endpoint codebook's size in bytes
basisu::packed_uint<2> m_total_selectors; // The number of selectors in the endpoint codebook
- basisu::packed_uint<4> m_selector_cb_file_ofs; // The compressed selectors codebook's file offset relative to the header
+ basisu::packed_uint<4> m_selector_cb_file_ofs; // The compressed selectors codebook's file offset relative to the start of the file
basisu::packed_uint<3> m_selector_cb_file_size; // The compressed selector codebook's size in bytes
basisu::packed_uint<4> m_tables_file_ofs; // The file offset of the compressed Huffman codelength tables, for decompressing slices