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move RemapBitReader() from idec.c to bit_reader code

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mostly for coherency and later patch.

Change-Id: Ica8352d67845b6c5b3153435edfb4646c6f24341
This commit is contained in:
skal
2014-05-14 07:07:08 +02:00
parent 34168ecbe4
commit 54bfffcabc
3 changed files with 13 additions and 9 deletions
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11
src/dec/idec.c
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@ -86,13 +86,6 @@ typedef struct {
//------------------------------------------------------------------------------
// MemBuffer: incoming data handling
static void RemapBitReader(VP8BitReader* const br, ptrdiff_t offset) {
if (br->buf_ != NULL) {
br->buf_ += offset;
br->buf_end_ += offset;
}
}
static WEBP_INLINE size_t MemDataSize(const MemBuffer* mem) {
return (mem->end_ - mem->start_);
}
@ -129,12 +122,12 @@ static void DoRemap(WebPIDecoder* const idec, ptrdiff_t offset) {
if (offset != 0) {
int p;
for (p = 0; p <= last_part; ++p) {
RemapBitReader(dec->parts_ + p, offset);
VP8RemapBitReader(dec->parts_ + p, offset);
}
// Remap partition #0 data pointer to new offset, but only in MAP
// mode (in APPEND mode, partition #0 is copied into a fixed memory).
if (mem->mode_ == MEM_MODE_MAP) {
RemapBitReader(&dec->br_, offset);
VP8RemapBitReader(&dec->br_, offset);
}
}
assert(last_part >= 0);