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Diffstat (limited to 'src/3rdparty/libwebp/src/enc/syntax.c')
-rw-r--r--src/3rdparty/libwebp/src/enc/syntax.c60
1 files changed, 10 insertions, 50 deletions
diff --git a/src/3rdparty/libwebp/src/enc/syntax.c b/src/3rdparty/libwebp/src/enc/syntax.c
index 08cfe79..d1ff0a5 100644
--- a/src/3rdparty/libwebp/src/enc/syntax.c
+++ b/src/3rdparty/libwebp/src/enc/syntax.c
@@ -263,53 +263,16 @@ static int EmitPartitionsSize(const VP8Encoder* const enc,
//------------------------------------------------------------------------------
-#ifdef WEBP_EXPERIMENTAL_FEATURES
-
-#define KTRAILER_SIZE 8
-
-static int WriteExtensions(VP8Encoder* const enc) {
- uint8_t buffer[KTRAILER_SIZE];
- VP8BitWriter* const bw = &enc->bw_;
- WebPPicture* const pic = enc->pic_;
-
- // Layer (bytes 0..3)
- PutLE24(buffer + 0, enc->layer_data_size_);
- buffer[3] = enc->pic_->colorspace & WEBP_CSP_UV_MASK;
- if (enc->layer_data_size_ > 0) {
- assert(enc->use_layer_);
- // append layer data to last partition
- if (!VP8BitWriterAppend(&enc->parts_[enc->num_parts_ - 1],
- enc->layer_data_, enc->layer_data_size_)) {
- return WebPEncodingSetError(pic, VP8_ENC_ERROR_BITSTREAM_OUT_OF_MEMORY);
- }
- }
-
- buffer[KTRAILER_SIZE - 1] = 0x01; // marker
- if (!VP8BitWriterAppend(bw, buffer, KTRAILER_SIZE)) {
- return WebPEncodingSetError(pic, VP8_ENC_ERROR_BITSTREAM_OUT_OF_MEMORY);
- }
- return 1;
-}
-
-#endif /* WEBP_EXPERIMENTAL_FEATURES */
-
-//------------------------------------------------------------------------------
-
-static size_t GeneratePartition0(VP8Encoder* const enc) {
+static int GeneratePartition0(VP8Encoder* const enc) {
VP8BitWriter* const bw = &enc->bw_;
const int mb_size = enc->mb_w_ * enc->mb_h_;
uint64_t pos1, pos2, pos3;
-#ifdef WEBP_EXPERIMENTAL_FEATURES
- const int need_extensions = enc->use_layer_;
-#endif
pos1 = VP8BitWriterPos(bw);
- VP8BitWriterInit(bw, mb_size * 7 / 8); // ~7 bits per macroblock
-#ifdef WEBP_EXPERIMENTAL_FEATURES
- VP8PutBitUniform(bw, need_extensions); // extensions
-#else
+ if (!VP8BitWriterInit(bw, mb_size * 7 / 8)) { // ~7 bits per macroblock
+ return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY);
+ }
VP8PutBitUniform(bw, 0); // colorspace
-#endif
VP8PutBitUniform(bw, 0); // clamp type
PutSegmentHeader(bw, enc);
@@ -324,21 +287,17 @@ static size_t GeneratePartition0(VP8Encoder* const enc) {
VP8CodeIntraModes(enc);
VP8BitWriterFinish(bw);
-#ifdef WEBP_EXPERIMENTAL_FEATURES
- if (need_extensions && !WriteExtensions(enc)) {
- return 0;
- }
-#endif
-
pos3 = VP8BitWriterPos(bw);
if (enc->pic_->stats) {
enc->pic_->stats->header_bytes[0] = (int)((pos2 - pos1 + 7) >> 3);
enc->pic_->stats->header_bytes[1] = (int)((pos3 - pos2 + 7) >> 3);
enc->pic_->stats->alpha_data_size = (int)enc->alpha_data_size_;
- enc->pic_->stats->layer_data_size = (int)enc->layer_data_size_;
}
- return !bw->error_;
+ if (bw->error_) {
+ return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY);
+ }
+ return 1;
}
void VP8EncFreeBitWriters(VP8Encoder* const enc) {
@@ -360,7 +319,8 @@ int VP8EncWrite(VP8Encoder* const enc) {
int p;
// Partition #0 with header and partition sizes
- ok = !!GeneratePartition0(enc);
+ ok = GeneratePartition0(enc);
+ if (!ok) return 0;
// Compute VP8 size
vp8_size = VP8_FRAME_HEADER_SIZE +