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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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161
src/enc/frame.c
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@ -45,10 +45,10 @@ const uint8_t VP8EncBands[16 + 1] = {
0 // sentinel
};
static const uint8_t kCat3[] = { 173, 148, 140 };
static const uint8_t kCat4[] = { 176, 155, 140, 135 };
static const uint8_t kCat5[] = { 180, 157, 141, 134, 130 };
static const uint8_t kCat6[] =
const uint8_t VP8Cat3[] = { 173, 148, 140 };
const uint8_t VP8Cat4[] = { 176, 155, 140, 135 };
const uint8_t VP8Cat5[] = { 180, 157, 141, 134, 130 };
const uint8_t VP8Cat6[] =
{ 254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129 };
//------------------------------------------------------------------------------
@ -424,30 +424,30 @@ static int PutCoeffs(VP8BitWriter* const bw, int ctx, const VP8Residual* res) {
} else {
int mask;
const uint8_t* tab;
if (v < 3 + (8 << 1)) { // kCat3 (3b)
if (v < 3 + (8 << 1)) { // VP8Cat3 (3b)
VP8PutBit(bw, 0, p[8]);
VP8PutBit(bw, 0, p[9]);
v -= 3 + (8 << 0);
mask = 1 << 2;
tab = kCat3;
} else if (v < 3 + (8 << 2)) { // kCat4 (4b)
tab = VP8Cat3;
} else if (v < 3 + (8 << 2)) { // VP8Cat4 (4b)
VP8PutBit(bw, 0, p[8]);
VP8PutBit(bw, 1, p[9]);
v -= 3 + (8 << 1);
mask = 1 << 3;
tab = kCat4;
} else if (v < 3 + (8 << 3)) { // kCat5 (5b)
tab = VP8Cat4;
} else if (v < 3 + (8 << 3)) { // VP8Cat5 (5b)
VP8PutBit(bw, 1, p[8]);
VP8PutBit(bw, 0, p[10]);
v -= 3 + (8 << 2);
mask = 1 << 4;
tab = kCat5;
} else { // kCat6 (11b)
tab = VP8Cat5;
} else { // VP8Cat6 (11b)
VP8PutBit(bw, 1, p[8]);
VP8PutBit(bw, 1, p[10]);
v -= 3 + (8 << 3);
mask = 1 << 10;
tab = kCat6;
tab = VP8Cat6;
}
while (mask) {
VP8PutBit(bw, !!(v & mask), *tab++);
@ -567,134 +567,8 @@ static void RecordResiduals(VP8EncIterator* const it,
#ifdef USE_TOKEN_BUFFER
void VP8TBufferInit(VP8TBuffer* const b) {
b->rows_ = NULL;
b->tokens_ = NULL;
b->last_ = &b->rows_;
b->left_ = 0;
b->error_ = 0;
}
int VP8TBufferNewPage(VP8TBuffer* const b) {
VP8Tokens* const page = b->error_ ? NULL : (VP8Tokens*)malloc(sizeof(*page));
if (page == NULL) {
b->error_ = 1;
return 0;
}
*b->last_ = page;
b->last_ = &page->next_;
b->left_ = MAX_NUM_TOKEN;
b->tokens_ = page->tokens_;
return 1;
}
void VP8TBufferClear(VP8TBuffer* const b) {
if (b != NULL) {
const VP8Tokens* p = b->rows_;
while (p != NULL) {
const VP8Tokens* const next = p->next_;
free((void*)p);
p = next;
}
VP8TBufferInit(b);
}
}
int VP8EmitTokens(const VP8TBuffer* const b, VP8BitWriter* const bw,
const uint8_t* const probas) {
VP8Tokens* p = b->rows_;
if (b->error_) return 0;
while (p != NULL) {
const int N = (p->next_ == NULL) ? b->left_ : 0;
int n = MAX_NUM_TOKEN;
while (n-- > N) {
VP8PutBit(bw, (p->tokens_[n] >> 15) & 1, probas[p->tokens_[n] & 0x7fff]);
}
p = p->next_;
}
return 1;
}
#define TOKEN_ID(b, ctx, p) ((p) + NUM_PROBAS * ((ctx) + (b) * NUM_CTX))
static int RecordCoeffTokens(int ctx, const VP8Residual* const res,
VP8TBuffer* tokens) {
int n = res->first;
int b = VP8EncBands[n];
if (!VP8AddToken(tokens, res->last >= 0, TOKEN_ID(b, ctx, 0))) {
return 0;
}
while (n < 16) {
const int c = res->coeffs[n++];
const int sign = c < 0;
int v = sign ? -c : c;
const int base_id = TOKEN_ID(b, ctx, 0);
if (!VP8AddToken(tokens, v != 0, base_id + 1)) {
b = VP8EncBands[n];
ctx = 0;
continue;
}
if (!VP8AddToken(tokens, v > 1, base_id + 2)) {
b = VP8EncBands[n];
ctx = 1;
} else {
if (!VP8AddToken(tokens, v > 4, base_id + 3)) {
if (VP8AddToken(tokens, v != 2, base_id + 4))
VP8AddToken(tokens, v == 4, base_id + 5);
} else if (!VP8AddToken(tokens, v > 10, base_id + 6)) {
if (!VP8AddToken(tokens, v > 6, base_id + 7)) {
// VP8AddToken(tokens, v == 6, 159);
} else {
// VP8AddToken(tokens, v >= 9, 165);
// VP8AddToken(tokens, !(v & 1), 145);
}
} else {
int mask;
const uint8_t* tab;
if (v < 3 + (8 << 1)) { // kCat3 (3b)
VP8AddToken(tokens, 0, base_id + 8);
VP8AddToken(tokens, 0, base_id + 9);
v -= 3 + (8 << 0);
mask = 1 << 2;
tab = kCat3;
} else if (v < 3 + (8 << 2)) { // kCat4 (4b)
VP8AddToken(tokens, 0, base_id + 8);
VP8AddToken(tokens, 1, base_id + 9);
v -= 3 + (8 << 1);
mask = 1 << 3;
tab = kCat4;
} else if (v < 3 + (8 << 3)) { // kCat5 (5b)
VP8AddToken(tokens, 1, base_id + 8);
VP8AddToken(tokens, 0, base_id + 10);
v -= 3 + (8 << 2);
mask = 1 << 4;
tab = kCat5;
} else { // kCat6 (11b)
VP8AddToken(tokens, 1, base_id + 8);
VP8AddToken(tokens, 1, base_id + 10);
v -= 3 + (8 << 3);
mask = 1 << 10;
tab = kCat6;
}
while (mask) {
// VP8AddToken(tokens, !!(v & mask), *tab++);
mask >>= 1;
}
}
ctx = 2;
}
b = VP8EncBands[n];
// VP8PutBitUniform(bw, sign);
if (n == 16 || !VP8AddToken(tokens, n <= res->last, TOKEN_ID(b, ctx, 0))) {
return 1; // EOB
}
}
return 1;
}
static void RecordTokens(VP8EncIterator* const it,
const VP8ModeScore* const rd, VP8TBuffer tokens[2]) {
static void RecordTokens(VP8EncIterator* const it, const VP8ModeScore* const rd,
VP8TBuffer* const tokens) {
int x, y, ch;
VP8Residual res;
VP8Encoder* const enc = it->enc_;
@ -704,7 +578,8 @@ static void RecordTokens(VP8EncIterator* const it,
InitResidual(0, 1, enc, &res);
SetResidualCoeffs(rd->y_dc_levels, &res);
// TODO(skal): FIX -> it->top_nz_[8] = it->left_nz_[8] =
RecordCoeffTokens(it->top_nz_[8] + it->left_nz_[8], &res, &tokens[0]);
VP8RecordCoeffTokens(it->top_nz_[8] + it->left_nz_[8],
res.first, res.last, res.coeffs, tokens);
InitResidual(1, 0, enc, &res);
} else {
InitResidual(0, 3, enc, &res);
@ -716,7 +591,7 @@ static void RecordTokens(VP8EncIterator* const it,
const int ctx = it->top_nz_[x] + it->left_nz_[y];
SetResidualCoeffs(rd->y_ac_levels[x + y * 4], &res);
it->top_nz_[x] = it->left_nz_[y] =
RecordCoeffTokens(ctx, &res, &tokens[0]);
VP8RecordCoeffTokens(ctx, res.first, res.last, res.coeffs, tokens);
}
}
@ -728,7 +603,7 @@ static void RecordTokens(VP8EncIterator* const it,
const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y];
SetResidualCoeffs(rd->uv_levels[ch * 2 + x + y * 2], &res);
it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] =
RecordCoeffTokens(ctx, &res, &tokens[1]);
VP8RecordCoeffTokens(ctx, res.first, res.last, res.coeffs, tokens);
}
}
}