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Delete last references to delta palettization

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Change-Id: I1f931d3aa587d2ae82895ae7c7f4c94fb82fbfb1
This commit is contained in:
Vincent Rabaud 2024-06-25 10:48:29 +02:00
parent c35c7e0240
commit 0ec80aef3d
3 changed files with 30 additions and 39 deletions
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4
src/enc/config_enc.c
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@ -55,7 +55,6 @@ int WebPConfigInitInternal(WebPConfig* config,
config->thread_level = 0; config->thread_level = 0;
config->low_memory = 0; config->low_memory = 0;
config->near_lossless = 100; config->near_lossless = 100;
config->use_delta_palette = 0;
config->use_sharp_yuv = 0; config->use_sharp_yuv = 0;
// TODO(skal): tune. // TODO(skal): tune.
@ -125,9 +124,6 @@ int WebPValidateConfig(const WebPConfig* config) {
if (config->thread_level < 0 || config->thread_level > 1) return 0; if (config->thread_level < 0 || config->thread_level > 1) return 0;
if (config->low_memory < 0 || config->low_memory > 1) return 0; if (config->low_memory < 0 || config->low_memory > 1) return 0;
if (config->exact < 0 || config->exact > 1) return 0; if (config->exact < 0 || config->exact > 1) return 0;
if (config->use_delta_palette < 0 || config->use_delta_palette > 1) {
return 0;
}
if (config->use_sharp_yuv < 0 || config->use_sharp_yuv > 1) return 0; if (config->use_sharp_yuv < 0 || config->use_sharp_yuv > 1) return 0;
return 1; return 1;

17
src/enc/vp8l_enc.c
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@ -1383,13 +1383,11 @@ static int ApplyPalette(const uint32_t* src, uint32_t src_stride, uint32_t* dst,
#undef APPLY_PALETTE_GREEDY_MAX #undef APPLY_PALETTE_GREEDY_MAX
// Note: Expects "enc->palette_" to be set properly. // Note: Expects "enc->palette_" to be set properly.
static int MapImageFromPalette(VP8LEncoder* const enc, int in_place) { static int MapImageFromPalette(VP8LEncoder* const enc) {
const WebPPicture* const pic = enc->pic_; const WebPPicture* const pic = enc->pic_;
const int width = pic->width; const int width = pic->width;
const int height = pic->height; const int height = pic->height;
const uint32_t* const palette = enc->palette_; const uint32_t* const palette = enc->palette_;
const uint32_t* src = in_place ? enc->argb_ : pic->argb;
const int src_stride = in_place ? enc->current_width_ : pic->argb_stride;
const int palette_size = enc->palette_size_; const int palette_size = enc->palette_size_;
int xbits; int xbits;
@ -1404,9 +1402,9 @@ static int MapImageFromPalette(VP8LEncoder* const enc, int in_place) {
if (!AllocateTransformBuffer(enc, VP8LSubSampleSize(width, xbits), height)) { if (!AllocateTransformBuffer(enc, VP8LSubSampleSize(width, xbits), height)) {
return 0; return 0;
} }
if (!ApplyPalette(src, src_stride, if (!ApplyPalette(pic->argb, pic->argb_stride, enc->argb_,
enc->argb_, enc->current_width_, enc->current_width_, palette, palette_size, width, height,
palette, palette_size, width, height, xbits, pic)) { xbits, pic)) {
return 0; return 0;
} }
enc->argb_content_ = kEncoderPalette; enc->argb_content_ = kEncoderPalette;
@ -1502,7 +1500,6 @@ static int EncodeStreamHook(void* input, void* data2) {
#endif #endif
int hdr_size = 0; int hdr_size = 0;
int data_size = 0; int data_size = 0;
int use_delta_palette = 0;
int idx; int idx;
size_t best_size = ~(size_t)0; size_t best_size = ~(size_t)0;
VP8LBitWriter bw_init = *bw, bw_best; VP8LBitWriter bw_init = *bw, bw_best;
@ -1567,21 +1564,20 @@ static int EncodeStreamHook(void* input, void* data2) {
goto Error; goto Error;
} }
remaining_percent -= percent_range; remaining_percent -= percent_range;
if (!MapImageFromPalette(enc, use_delta_palette)) goto Error; if (!MapImageFromPalette(enc)) goto Error;
// If using a color cache, do not have it bigger than the number of // If using a color cache, do not have it bigger than the number of
// colors. // colors.
if (enc->palette_size_ < (1 << MAX_COLOR_CACHE_BITS)) { if (enc->palette_size_ < (1 << MAX_COLOR_CACHE_BITS)) {
enc->cache_bits_ = BitsLog2Floor(enc->palette_size_) + 1; enc->cache_bits_ = BitsLog2Floor(enc->palette_size_) + 1;
} }
} }
if (!use_delta_palette) {
// In case image is not packed. // In case image is not packed.
if (enc->argb_content_ != kEncoderNearLossless && if (enc->argb_content_ != kEncoderNearLossless &&
enc->argb_content_ != kEncoderPalette) { enc->argb_content_ != kEncoderPalette) {
if (!MakeInputImageCopy(enc)) goto Error; if (!MakeInputImageCopy(enc)) goto Error;
} }
// ----------------------------------------------------------------------- // -------------------------------------------------------------------------
// Apply transforms and write transform data. // Apply transforms and write transform data.
if (enc->use_subtract_green_) { if (enc->use_subtract_green_) {
@ -1606,7 +1602,6 @@ static int EncodeStreamHook(void* input, void* data2) {
} }
remaining_percent -= percent_range; remaining_percent -= percent_range;
} }
}
VP8LPutBits(bw, !TRANSFORM_PRESENT, 1); // No more transforms. VP8LPutBits(bw, !TRANSFORM_PRESENT, 1); // No more transforms.

2
src/webp/encode.h
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@ -145,7 +145,7 @@ struct WebPConfig {
// RGB information for better compression. The default // RGB information for better compression. The default
// value is 0. // value is 0.
int use_delta_palette; // reserved for future lossless feature int use_delta_palette; // reserved
int use_sharp_yuv; // if needed, use sharp (and slow) RGB->YUV conversion int use_sharp_yuv; // if needed, use sharp (and slow) RGB->YUV conversion
int qmin; // minimum permissible quality factor int qmin; // minimum permissible quality factor