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move token buffer to its own file (token.c)

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Change-Id: Ib9791c52f48d98fad5ed3830f36894ef5ac362fa
This commit is contained in:
skal
2012-12-03 13:50:14 +01:00
parent c34a3758ad
commit 657f5c91b1
7 changed files with 274 additions and 170 deletions
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50
src/enc/vp8enci.h
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@ -321,40 +321,27 @@ void VP8SetSegment(const VP8EncIterator* const it, int segment);
// WIP: #define USE_TOKEN_BUFFER
#ifdef USE_TOKEN_BUFFER
#define MAX_NUM_TOKEN 2048
typedef struct VP8Tokens VP8Tokens;
struct VP8Tokens {
uint16_t tokens_[MAX_NUM_TOKEN]; // bit#15: bit, bits 0..14: slot
int left_;
VP8Tokens* next_;
};
typedef struct VP8Tokens VP8Tokens; // struct details in token.c
typedef struct {
VP8Tokens* rows_;
uint16_t* tokens_; // set to (*last_)->tokens_
VP8Tokens** last_;
int left_;
int error_; // true in case of malloc error
VP8Tokens* pages_; // first page
VP8Tokens** last_page_; // last page
uint16_t* tokens_; // set to (*last_page_)->tokens_
int left_; // how many free tokens left before the page is full.
int error_; // true in case of malloc error
} VP8TBuffer;
void VP8TBufferInit(VP8TBuffer* const b); // initialize an empty buffer
int VP8TBufferNewPage(VP8TBuffer* const b); // allocate a new page
void VP8TBufferClear(VP8TBuffer* const b); // de-allocate memory
#ifdef USE_TOKEN_BUFFER
void VP8TBufferClear(VP8TBuffer* const b); // de-allocate pages memory
int VP8EmitTokens(const VP8TBuffer* const b, VP8BitWriter* const bw,
const uint8_t* const probas);
static WEBP_INLINE int VP8AddToken(VP8TBuffer* const b,
int bit, int proba_idx) {
if (b->left_ > 0 || VP8TBufferNewPage(b)) {
const int slot = --b->left_;
b->tokens_[slot] = (bit << 15) | proba_idx;
}
return bit;
}
const uint8_t* const probas, int final_pass);
int VP8RecordCoeffTokens(int ctx, int first, int last,
const int16_t* const coeffs, VP8TBuffer* tokens);
void VP8TokenToStats(const VP8TBuffer* const b, proba_t* const stats);
#endif // USE_TOKEN_BUFFER
@ -384,6 +371,10 @@ struct VP8Encoder {
int percent_; // for progress
#ifdef USE_TOKEN_BUFFER
VP8TBuffer tokens_; // token buffer
#endif
// transparency blob
int has_alpha_;
uint8_t* alpha_data_; // non-NULL if transparency is present
@ -460,6 +451,11 @@ void VP8EncFreeBitWriters(VP8Encoder* const enc);
// in frame.c
extern const uint8_t VP8EncBands[16 + 1];
extern const uint8_t VP8Cat3[];
extern const uint8_t VP8Cat4[];
extern const uint8_t VP8Cat5[];
extern const uint8_t VP8Cat6[];
// Form all the four Intra16x16 predictions in the yuv_p_ cache
void VP8MakeLuma16Preds(const VP8EncIterator* const it);
// Form all the four Chroma8x8 predictions in the yuv_p_ cache