Cross Reference: /external/webp/src/dec/idec

Lines Matching refs:mem
91 static WEBP_INLINE size_t MemDataSize(const MemBuffer* mem) {
92   return (mem->end_ - mem->start_);
113   MemBuffer* const mem = &idec->mem_;
114   const uint8_t* const new_base = mem->buf_ + mem->start_;
118   idec->io_.data_size = MemDataSize(mem);
131         if (mem->mode_ == MEM_MODE_MAP) {
138                               mem->buf_ + mem->end_ - last_start);
158       VP8LBitReaderSetBuffer(&dec->br_, new_base, MemDataSize(mem));
168   MemBuffer* const mem = &idec->mem_;
170   const uint8_t* const old_start = mem->buf_ + mem->start_;
173   assert(mem->mode_ == MEM_MODE_APPEND);
180   if (mem->end_ + data_size > mem->buf_size_) {  // Need some free memory
182     const size_t current_size = MemDataSize(mem) + new_mem_start;
189     WebPSafeFree(mem->buf_);
190     mem->buf_ = new_buf;
191     mem->buf_size_ = (size_t)extra_size;
192     mem->start_ = new_mem_start;
193     mem->end_ = current_size;
196   memcpy(mem->buf_ + mem->end_, data, data_size);
197   mem->end_ += data_size;
198   assert(mem->end_ <= mem->buf_size_);
200   DoRemap(idec, mem->buf_ + mem->start_ - old_start);
206   MemBuffer* const mem = &idec->mem_;
207   const uint8_t* const old_buf = mem->buf_;
208   const uint8_t* const old_start = old_buf + mem->start_;
209   assert(mem->mode_ == MEM_MODE_MAP);
211   if (data_size < mem->buf_size_) return 0;  // can't remap to a shorter buffer!
213   mem->buf_ = (uint8_t*)data;
214   mem->end_ = mem->buf_size_ = data_size;
216   DoRemap(idec, mem->buf_ + mem->start_ - old_start);
220 static void InitMemBuffer(MemBuffer* const mem) {
221   mem->mode_       = MEM_MODE_NONE;
222   mem->buf_        = NULL;
223   mem->buf_size_   = 0;
224   mem->part0_buf_  = NULL;
225   mem->part0_size_ = 0;
228 static void ClearMemBuffer(MemBuffer* const mem) {
229   assert(mem);
230   if (mem->mode_ == MEM_MODE_APPEND) {
231     WebPSafeFree(mem->buf_);
232     WebPSafeFree((void*)mem->part0_buf_);
236 static int CheckMemBufferMode(MemBuffer* const mem, MemBufferMode expected) {
237   if (mem->mode_ == MEM_MODE_NONE) {
238     mem->mode_ = expected;    // switch to the expected mode
239   } else if (mem->mode_ != expected) {
242   assert(mem->mode_ == expected);   // mode is ok
297   MemBuffer* const mem = &idec->mem_;
299   mem->start_ += consumed_bytes;
300   assert(mem->start_ <= mem->end_);
301   idec->io_.data = mem->buf_ + mem->start_;
302   idec->io_.data_size = MemDataSize(mem);
307   MemBuffer* const mem = &idec->mem_;
308   const uint8_t* data = mem->buf_ + mem->start_;
309   size_t curr_size = MemDataSize(mem);
373   MemBuffer* const mem = &idec->mem_;
375   assert(mem->part0_buf_ == NULL);
377   assert(part_size <= mem->part0_size_);
381   if (mem->mode_ == MEM_MODE_APPEND) {
388     mem->part0_buf_ = part0_buf;
393   mem->start_ += part_size;