From: Cristian Rodríguez Date: Thu, 5 Apr 2012 18:45:57 +0000 (-0300) Subject: remove unnecesary typedef in bitwriter.c X-Git-Tag: 1.3.0pre1~76 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d30fe60fc616d626df2336e91bc698677a732447;p=platform%2Fupstream%2Fflac.git remove unnecesary typedef in bitwriter.c --- diff --git a/src/libFLAC/bitwriter.c b/src/libFLAC/bitwriter.c index 651440d..7da4b15 100644 --- a/src/libFLAC/bitwriter.c +++ b/src/libFLAC/bitwriter.c @@ -43,12 +43,11 @@ /* Things should be fastest when this matches the machine word size */ /* WATCHOUT: if you change this you must also change the following #defines down to SWAP_BE_WORD_TO_HOST below to match */ -/* WATCHOUT: there are a few places where the code will not work unless bwword is >= 32 bits wide */ -typedef FLAC__uint32 bwword; +/* WATCHOUT: there are a few places where the code will not work unless uint32_t is >= 32 bits wide */ #define FLAC__BYTES_PER_WORD 4 #define FLAC__BITS_PER_WORD 32 #define FLAC__WORD_ALL_ONES ((FLAC__uint32)0xffffffff) -/* SWAP_BE_WORD_TO_HOST swaps bytes in a bwword (which is always big-endian) if necessary to match host byte order */ +/* SWAP_BE_WORD_TO_HOST swaps bytes in a uint32_t (which is always big-endian) if necessary to match host byte order */ #if WORDS_BIGENDIAN #define SWAP_BE_WORD_TO_HOST(x) (x) #else @@ -61,9 +60,9 @@ typedef FLAC__uint32 bwword; * a frame or metadata block, then write that out and clear the buffer for the * next one. */ -static const unsigned FLAC__BITWRITER_DEFAULT_CAPACITY = 32768u / sizeof(bwword); /* size in words */ +static const unsigned FLAC__BITWRITER_DEFAULT_CAPACITY = 32768u / sizeof(uint32_t); /* size in words */ /* When growing, increment 4K at a time */ -static const unsigned FLAC__BITWRITER_DEFAULT_INCREMENT = 4096u / sizeof(bwword); /* size in words */ +static const unsigned FLAC__BITWRITER_DEFAULT_INCREMENT = 4096u / sizeof(uint32_t); /* size in words */ #define FLAC__WORDS_TO_BITS(words) ((words) * FLAC__BITS_PER_WORD) #define FLAC__TOTAL_BITS(bw) (FLAC__WORDS_TO_BITS((bw)->words) + (bw)->bits) @@ -85,8 +84,8 @@ static const unsigned FLAC__BITWRITER_DEFAULT_INCREMENT = 4096u / sizeof(bwword) #endif struct FLAC__BitWriter { - bwword *buffer; - bwword accum; /* accumulator; bits are right-justified; when full, accum is appended to buffer */ + uint32_t *buffer; + uint32_t accum; /* accumulator; bits are right-justified; when full, accum is appended to buffer */ unsigned capacity; /* capacity of buffer in words */ unsigned words; /* # of complete words in buffer */ unsigned bits; /* # of used bits in accum */ @@ -96,7 +95,7 @@ struct FLAC__BitWriter { static FLAC__bool bitwriter_grow_(FLAC__BitWriter *bw, unsigned bits_to_add) { unsigned new_capacity; - bwword *new_buffer; + uint32_t *new_buffer; FLAC__ASSERT(0 != bw); FLAC__ASSERT(0 != bw->buffer); @@ -118,7 +117,7 @@ static FLAC__bool bitwriter_grow_(FLAC__BitWriter *bw, unsigned bits_to_add) FLAC__ASSERT(new_capacity > bw->capacity); FLAC__ASSERT(new_capacity >= bw->words + ((bw->bits + bits_to_add + FLAC__BITS_PER_WORD - 1) / FLAC__BITS_PER_WORD)); - new_buffer = safe_realloc_mul_2op_(bw->buffer, sizeof(bwword), /*times*/new_capacity); + new_buffer = safe_realloc_mul_2op_(bw->buffer, sizeof(uint32_t), /*times*/new_capacity); if(new_buffer == 0) return false; bw->buffer = new_buffer; @@ -160,7 +159,7 @@ FLAC__bool FLAC__bitwriter_init(FLAC__BitWriter *bw) bw->words = bw->bits = 0; bw->capacity = FLAC__BITWRITER_DEFAULT_CAPACITY; - bw->buffer = malloc(sizeof(bwword) * bw->capacity); + bw->buffer = malloc(sizeof(uint32_t) * bw->capacity); if(bw->buffer == 0) return false; @@ -525,7 +524,7 @@ FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FL FLAC__ASSERT(0 != bw); FLAC__ASSERT(0 != bw->buffer); - FLAC__ASSERT(parameter < 8*sizeof(bwword)-1); + FLAC__ASSERT(parameter < 8*sizeof(uint32_t)-1); /* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */ FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32); @@ -536,8 +535,8 @@ FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FL msbits = uval >> parameter; #if 0 /* OPT: can remove this special case if it doesn't make up for the extra compare (doesn't make a statistically significant difference with msvc or gcc/x86) */ - if(bw->bits && bw->bits + msbits + lsbits <= FLAC__BITS_PER_WORD) { /* i.e. if the whole thing fits in the current bwword */ - /* ^^^ if bw->bits is 0 then we may have filled the buffer and have no free bwword to work in */ + if(bw->bits && bw->bits + msbits + lsbits <= FLAC__BITS_PER_WORD) { /* i.e. if the whole thing fits in the current uint32_t */ + /* ^^^ if bw->bits is 0 then we may have filled the buffer and have no free uint32_t to work in */ bw->bits = bw->bits + msbits + lsbits; uval |= mask1; /* set stop bit */ uval &= mask2; /* mask off unused top bits */ @@ -557,8 +556,8 @@ FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FL } else { #elif 1 /*@@@@@@ OPT: try this version with MSVC6 to see if better, not much difference for gcc-4 */ - if(bw->bits && bw->bits + msbits + lsbits < FLAC__BITS_PER_WORD) { /* i.e. if the whole thing fits in the current bwword */ - /* ^^^ if bw->bits is 0 then we may have filled the buffer and have no free bwword to work in */ + if(bw->bits && bw->bits + msbits + lsbits < FLAC__BITS_PER_WORD) { /* i.e. if the whole thing fits in the current uint32_t */ + /* ^^^ if bw->bits is 0 then we may have filled the buffer and have no free uint32_t to work in */ bw->bits = bw->bits + msbits + lsbits; uval |= mask1; /* set stop bit */ uval &= mask2; /* mask off unused top bits */ @@ -569,7 +568,7 @@ FLAC__bool FLAC__bitwriter_write_rice_signed_block(FLAC__BitWriter *bw, const FL #endif /* slightly pessimistic size check but faster than "<= bw->words + (bw->bits+msbits+lsbits+FLAC__BITS_PER_WORD-1)/FLAC__BITS_PER_WORD" */ /* OPT: pessimism may cause flurry of false calls to grow_ which eat up all savings before it */ - if(bw->capacity <= bw->words + bw->bits + msbits + 1/*lsbits always fit in 1 bwword*/ && !bitwriter_grow_(bw, msbits+lsbits)) + if(bw->capacity <= bw->words + bw->bits + msbits + 1/*lsbits always fit in 1 uint32_t*/ && !bitwriter_grow_(bw, msbits+lsbits)) return false; if(msbits) {