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Add EncodeImageInternal() method.

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Most of changes in enc/vp8l.c is cherry-picked from src/lossless/encode.c

Change-Id: I27938cb2590eccbfe1db0a454343e856bd483e75
This commit is contained in:
Vikas Arora
2012-04-12 11:31:17 +00:00
committed by James Zern
parent 6b38378acb
commit 84547f540c
7 changed files with 760 additions and 43 deletions
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17
src/utils/huffman_encode.h
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@ -31,21 +31,20 @@ extern "C" {
// See http://en.wikipedia.org/wiki/Huffman_coding
//
// Returns 0 when an error has occured.
int CreateHuffmanTree(const int* data,
const int length,
const int tree_limit,
uint8_t* depth);
int VP8LCreateHuffmanTree(const int* data, const int length,
const int tree_limit, uint8_t* depth);
// Write a huffman tree from bit depths into the deflate representation
// of a Huffman tree. In deflate, the generated Huffman tree is to be
// compressed once more using a Huffman tree.
void CreateCompressedHuffmanTree(const uint8_t* depth, int len,
int* num_symbols,
uint8_t* tree,
uint8_t* extra_bits_data);
void VP8LCreateCompressedHuffmanTree(const uint8_t* depth, int len,
int* num_symbols,
uint8_t* tree,
uint8_t* extra_bits_data);
// Get the actual bit values for a tree of bit depths.
void ConvertBitDepthsToSymbols(const uint8_t* depth, int len, uint16_t* bits);
void VP8LConvertBitDepthsToSymbols(const uint8_t* depth, int len,
uint16_t* bits);
#if defined(__cplusplus) || defined(c_plusplus)
}