mirror of
https://github.com/webmproject/libwebp.git
synced 2024-12-26 13:48:21 +01:00
right-size some tables
Change-Id: I5e894fd3f0f4b666512108495d8cecb34f65e119
This commit is contained in:
parent
b299c47eac
commit
083507f244
@ -21,7 +21,7 @@
|
||||
// WebPDecBuffer
|
||||
|
||||
// Number of bytes per pixel for the different color-spaces.
|
||||
static const int kModeBpp[MODE_LAST] = {
|
||||
static const uint8_t kModeBpp[MODE_LAST] = {
|
||||
3, 4, 3, 4, 4, 2, 2,
|
||||
4, 4, 4, 2, // pre-multiplied modes
|
||||
1, 1 };
|
||||
|
@ -18,7 +18,7 @@
|
||||
//------------------------------------------------------------------------------
|
||||
// Main reconstruction function.
|
||||
|
||||
static const int kScan[16] = {
|
||||
static const uint16_t kScan[16] = {
|
||||
0 + 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS,
|
||||
0 + 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS,
|
||||
0 + 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS,
|
||||
@ -320,7 +320,7 @@ static void PrecomputeFilterStrengths(VP8Decoder* const dec) {
|
||||
#define MIN_DITHER_AMP 4
|
||||
|
||||
#define DITHER_AMP_TAB_SIZE 12
|
||||
static const int kQuantToDitherAmp[DITHER_AMP_TAB_SIZE] = {
|
||||
static const uint8_t kQuantToDitherAmp[DITHER_AMP_TAB_SIZE] = {
|
||||
// roughly, it's dqm->uv_mat_[1]
|
||||
8, 7, 6, 4, 4, 2, 2, 2, 1, 1, 1, 1
|
||||
};
|
||||
|
@ -502,7 +502,7 @@ static const uint8_t
|
||||
|
||||
// Paragraph 9.9
|
||||
|
||||
static const int kBands[16 + 1] = {
|
||||
static const uint8_t kBands[16 + 1] = {
|
||||
0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7,
|
||||
0 // extra entry as sentinel
|
||||
};
|
||||
|
@ -28,8 +28,8 @@
|
||||
|
||||
static const int kCodeLengthLiterals = 16;
|
||||
static const int kCodeLengthRepeatCode = 16;
|
||||
static const int kCodeLengthExtraBits[3] = { 2, 3, 7 };
|
||||
static const int kCodeLengthRepeatOffsets[3] = { 3, 3, 11 };
|
||||
static const uint8_t kCodeLengthExtraBits[3] = { 2, 3, 7 };
|
||||
static const uint8_t kCodeLengthRepeatOffsets[3] = { 3, 3, 11 };
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// Five Huffman codes are used at each meta code:
|
||||
@ -86,7 +86,7 @@ static const uint8_t kCodeToPlane[CODE_TO_PLANE_CODES] = {
|
||||
// All values computed for 8-bit first level lookup with Mark Adler's tool:
|
||||
// http://www.hdfgroup.org/ftp/lib-external/zlib/zlib-1.2.5/examples/enough.c
|
||||
#define FIXED_TABLE_SIZE (630 * 3 + 410)
|
||||
static const int kTableSize[12] = {
|
||||
static const uint16_t kTableSize[12] = {
|
||||
FIXED_TABLE_SIZE + 654,
|
||||
FIXED_TABLE_SIZE + 656,
|
||||
FIXED_TABLE_SIZE + 658,
|
||||
|
@ -658,7 +658,7 @@ static int StatLoop(VP8Encoder* const enc) {
|
||||
// Main loops
|
||||
//
|
||||
|
||||
static const int kAverageBytesPerMB[8] = { 50, 24, 16, 9, 7, 5, 3, 2 };
|
||||
static const uint8_t kAverageBytesPerMB[8] = { 50, 24, 16, 9, 7, 5, 3, 2 };
|
||||
|
||||
static int PreLoopInitialize(VP8Encoder* const enc) {
|
||||
int p;
|
||||
|
@ -457,11 +457,11 @@ void VP8SetSegmentParams(VP8Encoder* const enc, float quality) {
|
||||
// Form the predictions in cache
|
||||
|
||||
// Must be ordered using {DC_PRED, TM_PRED, V_PRED, H_PRED} as index
|
||||
const int VP8I16ModeOffsets[4] = { I16DC16, I16TM16, I16VE16, I16HE16 };
|
||||
const int VP8UVModeOffsets[4] = { C8DC8, C8TM8, C8VE8, C8HE8 };
|
||||
const uint16_t VP8I16ModeOffsets[4] = { I16DC16, I16TM16, I16VE16, I16HE16 };
|
||||
const uint16_t VP8UVModeOffsets[4] = { C8DC8, C8TM8, C8VE8, C8HE8 };
|
||||
|
||||
// Must be indexed using {B_DC_PRED -> B_HU_PRED} as index
|
||||
const int VP8I4ModeOffsets[NUM_BMODES] = {
|
||||
const uint16_t VP8I4ModeOffsets[NUM_BMODES] = {
|
||||
I4DC4, I4TM4, I4VE4, I4HE4, I4RD4, I4VR4, I4LD4, I4VL4, I4HD4, I4HU4
|
||||
};
|
||||
|
||||
@ -492,14 +492,14 @@ void VP8MakeIntra4Preds(const VP8EncIterator* const it) {
|
||||
// |YYYY|....| 12
|
||||
// +----+----+
|
||||
|
||||
const int VP8Scan[16] = { // Luma
|
||||
const uint16_t VP8Scan[16] = { // Luma
|
||||
0 + 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS,
|
||||
0 + 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS,
|
||||
0 + 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS,
|
||||
0 + 12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS,
|
||||
};
|
||||
|
||||
static const int VP8ScanUV[4 + 4] = {
|
||||
static const uint16_t VP8ScanUV[4 + 4] = {
|
||||
0 + 0 * BPS, 4 + 0 * BPS, 0 + 4 * BPS, 4 + 4 * BPS, // U
|
||||
8 + 0 * BPS, 12 + 0 * BPS, 8 + 4 * BPS, 12 + 4 * BPS // V
|
||||
};
|
||||
|
@ -75,10 +75,10 @@ typedef enum { // Rate-distortion optimization levels
|
||||
#define U_OFF_ENC (16)
|
||||
#define V_OFF_ENC (16 + 8)
|
||||
|
||||
extern const int VP8Scan[16]; // in quant.c
|
||||
extern const int VP8UVModeOffsets[4]; // in analyze.c
|
||||
extern const int VP8I16ModeOffsets[4];
|
||||
extern const int VP8I4ModeOffsets[NUM_BMODES];
|
||||
extern const uint16_t VP8Scan[16];
|
||||
extern const uint16_t VP8UVModeOffsets[4];
|
||||
extern const uint16_t VP8I16ModeOffsets[4];
|
||||
extern const uint16_t VP8I4ModeOffsets[NUM_BMODES];
|
||||
|
||||
// Layout of prediction blocks
|
||||
// intra 16x16
|
||||
|
@ -735,7 +735,7 @@ static WebPEncodingError StoreImageToBitMask(
|
||||
codes = huffman_codes + 5 * histogram_ix;
|
||||
}
|
||||
if (PixOrCopyIsLiteral(v)) {
|
||||
static const int order[] = { 1, 2, 0, 3 };
|
||||
static const uint8_t order[] = { 1, 2, 0, 3 };
|
||||
int k;
|
||||
for (k = 0; k < 4; ++k) {
|
||||
const int code = PixOrCopyLiteral(v, order[k]);
|
||||
|
Loading…
Reference in New Issue
Block a user