WebPMuxError WebPMuxGetAnimationParams(const WebPMux* mux,
WebPMuxAnimParams* params) {
WebPData anim;
WebPMuxError err;
if (mux == NULL || params == NULL) return WEBP_MUX_INVALID_ARGUMENT;
err = MuxGet(mux, IDX_ANIM, 1, &anim);
if (err != WEBP_MUX_OK) return err;
if (anim.size < kChunks[WEBP_CHUNK_ANIM].size) return WEBP_MUX_BAD_DATA;
params->bgcolor = GetLE32(anim.bytes);
params->loop_count = GetLE16(anim.bytes + 4);
return WEBP_MUX_OK;
}
static WEBP_INLINE int ReadLE16s(MemBuffer* const mem) {
const uint8_t* const data = mem->buf_ + mem->start_;
const int val = GetLE16(data);
Skip(mem, 2);
return val;
}
