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update to git snapshot a43f56

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This commit is contained in:
Miroslav Lichvar 2012-12-04 13:06:03 +01:00
parent 55c44cad39
commit e51f59d07e
9 changed files with 15 additions and 787 deletions
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2
.gitignore vendored
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@ -1 +1 @@
flac-1.2.1.tar.gz /flac-20121204gita43f56.tar.xz

73
flac-1.2.1-asm.patch
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@ -1,73 +0,0 @@
diff -up flac-1.2.1/src/libFLAC/stream_decoder.c.asm flac-1.2.1/src/libFLAC/stream_decoder.c
--- flac-1.2.1/src/libFLAC/stream_decoder.c.asm 2007-09-13 17:38:05.000000000 +0200
+++ flac-1.2.1/src/libFLAC/stream_decoder.c 2008-01-29 10:32:17.000000000 +0100
@@ -421,7 +421,7 @@ static FLAC__StreamDecoderInitStatus ini
#ifdef FLAC__CPU_IA32
FLAC__ASSERT(decoder->private_->cpuinfo.type == FLAC__CPUINFO_TYPE_IA32);
#ifdef FLAC__HAS_NASM
-#if 1 /*@@@@@@ OPT: not clearly faster, needs more testing */
+#if 0 /*@@@@@@ OPT: not clearly faster, needs more testing */
if(decoder->private_->cpuinfo.data.ia32.bswap)
decoder->private_->local_bitreader_read_rice_signed_block = FLAC__bitreader_read_rice_signed_block_asm_ia32_bswap;
#endif
diff -up flac-1.2.1/src/libFLAC/ia32/lpc_asm.nasm.asm flac-1.2.1/src/libFLAC/ia32/lpc_asm.nasm
--- flac-1.2.1/src/libFLAC/ia32/lpc_asm.nasm.asm 2007-03-22 05:13:05.000000000 +0100
+++ flac-1.2.1/src/libFLAC/ia32/lpc_asm.nasm 2008-01-29 10:34:09.000000000 +0100
@@ -1507,5 +1507,5 @@ cident FLAC__lpc_restore_signal_asm_ia32
end
%ifdef OBJ_FORMAT_elf
- section .note.GNU-stack noalloc
+ section .note.GNU-stack progbits noalloc noexec nowrite align=1
%endif
diff -up flac-1.2.1/src/libFLAC/ia32/Makefile.am.asm flac-1.2.1/src/libFLAC/ia32/Makefile.am
--- flac-1.2.1/src/libFLAC/ia32/Makefile.am.asm 2007-04-04 02:01:13.000000000 +0200
+++ flac-1.2.1/src/libFLAC/ia32/Makefile.am 2008-03-17 14:04:37.000000000 +0100
@@ -37,7 +37,6 @@ STRIP_NON_ASM = sh $(top_srcdir)/strip_n
noinst_LTLIBRARIES = libFLAC-asm.la
libFLAC_asm_la_SOURCES = \
- bitreader_asm.nasm \
cpu_asm.nasm \
fixed_asm.nasm \
lpc_asm.nasm \
diff -up flac-1.2.1/src/libFLAC/ia32/bitreader_asm.nasm.asm flac-1.2.1/src/libFLAC/ia32/bitreader_asm.nasm
--- flac-1.2.1/src/libFLAC/ia32/bitreader_asm.nasm.asm 2007-03-30 02:54:53.000000000 +0200
+++ flac-1.2.1/src/libFLAC/ia32/bitreader_asm.nasm 2008-01-29 10:32:57.000000000 +0100
@@ -564,5 +564,5 @@ cident FLAC__bitreader_read_rice_signed_
end
%ifdef OBJ_FORMAT_elf
- section .note.GNU-stack noalloc
+ section .note.GNU-stack progbits noalloc noexec nowrite align=1
%endif
diff -up flac-1.2.1/src/libFLAC/ia32/fixed_asm.nasm.asm flac-1.2.1/src/libFLAC/ia32/fixed_asm.nasm
--- flac-1.2.1/src/libFLAC/ia32/fixed_asm.nasm.asm 2007-03-22 05:13:05.000000000 +0100
+++ flac-1.2.1/src/libFLAC/ia32/fixed_asm.nasm 2008-01-29 10:33:52.000000000 +0100
@@ -308,5 +308,5 @@ cident FLAC__fixed_compute_best_predicto
end
%ifdef OBJ_FORMAT_elf
- section .note.GNU-stack noalloc
+ section .note.GNU-stack progbits noalloc noexec nowrite align=1
%endif
diff -up flac-1.2.1/src/libFLAC/ia32/cpu_asm.nasm.asm flac-1.2.1/src/libFLAC/ia32/cpu_asm.nasm
--- flac-1.2.1/src/libFLAC/ia32/cpu_asm.nasm.asm 2007-03-22 05:13:05.000000000 +0100
+++ flac-1.2.1/src/libFLAC/ia32/cpu_asm.nasm 2008-01-29 10:33:24.000000000 +0100
@@ -117,5 +117,5 @@ cident FLAC__cpu_info_extended_amd_asm_i
end
%ifdef OBJ_FORMAT_elf
- section .note.GNU-stack noalloc
+ section .note.GNU-stack progbits noalloc noexec nowrite align=1
%endif
diff -up flac-1.2.1/src/libFLAC/ia32/stream_encoder_asm.nasm.asm flac-1.2.1/src/libFLAC/ia32/stream_encoder_asm.nasm
--- flac-1.2.1/src/libFLAC/ia32/stream_encoder_asm.nasm.asm 2007-06-19 22:01:27.000000000 +0200
+++ flac-1.2.1/src/libFLAC/ia32/stream_encoder_asm.nasm 2008-01-29 10:34:40.000000000 +0100
@@ -155,5 +155,5 @@ cident precompute_partition_info_sums_32
end
%ifdef OBJ_FORMAT_elf
- section .note.GNU-stack noalloc
+ section .note.GNU-stack progbits noalloc noexec nowrite align=1
%endif

558
flac-1.2.1-bitreader.patch
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@ -1,558 +0,0 @@
Index: src/libFLAC/bitreader.c
===================================================================
RCS file: /cvsroot/flac/flac/src/libFLAC/bitreader.c,v
retrieving revision 1.15
diff -u -r1.15 bitreader.c
--- src/libFLAC/bitreader.c 28 Feb 2008 05:34:26 -0000 1.15
+++ src/libFLAC/bitreader.c 14 Mar 2008 11:07:07 -0000
@@ -69,13 +69,12 @@
#endif
/* counts the # of zero MSBs in a word */
#define COUNT_ZERO_MSBS(word) ( \
- (word) <= 0xffff ? \
- ( (word) <= 0xff? byte_to_unary_table[word] + 24 : byte_to_unary_table[(word) >> 8] + 16 ) : \
- ( (word) <= 0xffffff? byte_to_unary_table[word >> 16] + 8 : byte_to_unary_table[(word) >> 24] ) \
+ word > 0xffffff ? byte_to_unary_table[(word) >> 24] : \
+ !word ? 32 : \
+ word > 0xffff ? byte_to_unary_table[word >> 16] + 8 : \
+ word > 0xff ? byte_to_unary_table[(word) >> 8] + 16 : \
+ byte_to_unary_table[word] + 24 \
)
-/* this alternate might be slightly faster on some systems/compilers: */
-#define COUNT_ZERO_MSBS2(word) ( (word) <= 0xff ? byte_to_unary_table[word] + 24 : ((word) <= 0xffff ? byte_to_unary_table[(word) >> 8] + 16 : ((word) <= 0xffffff ? byte_to_unary_table[(word) >> 16] + 8 : byte_to_unary_table[(word) >> 24])) )
-
/*
* This should be at least twice as large as the largest number of words
Index: src/libFLAC/bitreader.c
===================================================================
RCS file: /cvsroot/flac/flac/src/libFLAC/bitreader.c,v
retrieving revision 1.15
diff -u -r1.15 bitreader.c
--- src/libFLAC/bitreader.c 28 Feb 2008 05:34:26 -0000 1.15
+++ src/libFLAC/bitreader.c 14 Mar 2008 13:19:46 -0000
@@ -149,6 +148,7 @@
FLAC__CPUInfo cpu_info;
};
+#if FLAC__BYTES_PER_WORD == 4 && FLAC__CPU_IA32
#ifdef _MSC_VER
/* OPT: an MSVC built-in would be better */
static _inline FLAC__uint32 local_swap32_(FLAC__uint32 x)
@@ -173,6 +173,15 @@
done1:
}
}
+#elif __GNUC__
+static void local_swap32_block_(FLAC__uint32 *start, FLAC__uint32 len)
+{
+ FLAC__uint32 *end;
+
+ for(end = start + len; start < end; start++)
+ asm ("bswap %0" : "=r"(*start) : "0"(*start));
+}
+#endif
#endif
static FLaC__INLINE void crc16_update_word_(FLAC__BitReader *br, brword word)
@@ -263,7 +272,7 @@
#if WORDS_BIGENDIAN
#else
end = (br->words*FLAC__BYTES_PER_WORD + br->bytes + bytes + (FLAC__BYTES_PER_WORD-1)) / FLAC__BYTES_PER_WORD;
-# if defined(_MSC_VER) && (FLAC__BYTES_PER_WORD == 4)
+# if FLAC__CPU_IA32 && (__GNUC__ || defined(_MSC_VER)) && FLAC__BYTES_PER_WORD == 4
if(br->cpu_info.type == FLAC__CPUINFO_TYPE_IA32 && br->cpu_info.data.ia32.bswap) {
start = br->words;
local_swap32_block_(br->buffer + start, end - start);
Index: src/libFLAC/bitreader.c
===================================================================
RCS file: /cvsroot/flac/flac/src/libFLAC/bitreader.c,v
retrieving revision 1.15
diff -u -r1.15 bitreader.c
--- src/libFLAC/bitreader.c 28 Feb 2008 05:34:26 -0000 1.15
+++ src/libFLAC/bitreader.c 17 Mar 2008 15:42:57 -0000
@@ -803,379 +812,144 @@
}
/* this is by far the most heavily used reader call. it ain't pretty but it's fast */
-/* a lot of the logic is copied, then adapted, from FLAC__bitreader_read_unary_unsigned() and FLAC__bitreader_read_raw_uint32() */
FLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[], unsigned nvals, unsigned parameter)
-/* OPT: possibly faster version for use with MSVC */
-#ifdef _MSC_VER
{
- unsigned i;
- unsigned uval = 0;
- unsigned bits; /* the # of binary LSBs left to read to finish a rice codeword */
-
/* try and get br->consumed_words and br->consumed_bits into register;
* must remember to flush them back to *br before calling other
- * bitwriter functions that use them, and before returning */
- register unsigned cwords;
- register unsigned cbits;
+ * bitreader functions that use them, and before returning */
+ unsigned cwords, words, lsbs, msbs, x, y;
+ unsigned ucbits; /* keep track of the number of unconsumed bits in word */
+ brword b;
+ int *val, *end;
FLAC__ASSERT(0 != br);
FLAC__ASSERT(0 != br->buffer);
/* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */
FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32);
FLAC__ASSERT(parameter < 32);
- /* the above two asserts also guarantee that the binary part never straddles more that 2 words, so we don't have to loop to read it */
-
- if(nvals == 0)
- return true;
-
- cbits = br->consumed_bits;
- cwords = br->consumed_words;
+ /* the above two asserts also guarantee that the binary part never straddles more than 2 words, so we don't have to loop to read it */
- while(1) {
+ val = vals;
+ end = vals + nvals;
- /* read unary part */
- while(1) {
- while(cwords < br->words) { /* if we've not consumed up to a partial tail word... */
- brword b = br->buffer[cwords] << cbits;
- if(b) {
-#if 0 /* slower, probably due to bad register allocation... */ && defined FLAC__CPU_IA32 && !defined FLAC__NO_ASM && FLAC__BITS_PER_WORD == 32
- __asm {
- bsr eax, b
- not eax
- and eax, 31
- mov i, eax
- }
-#else
- i = COUNT_ZERO_MSBS(b);
-#endif
- uval += i;
- bits = parameter;
- i++;
- cbits += i;
- if(cbits == FLAC__BITS_PER_WORD) {
- crc16_update_word_(br, br->buffer[cwords]);
- cwords++;
- cbits = 0;
- }
- goto break1;
- }
- else {
- uval += FLAC__BITS_PER_WORD - cbits;
- crc16_update_word_(br, br->buffer[cwords]);
- cwords++;
- cbits = 0;
- /* didn't find stop bit yet, have to keep going... */
- }
- }
- /* at this point we've eaten up all the whole words; have to try
- * reading through any tail bytes before calling the read callback.
- * this is a repeat of the above logic adjusted for the fact we
- * don't have a whole word. note though if the client is feeding
- * us data a byte at a time (unlikely), br->consumed_bits may not
- * be zero.
- */
- if(br->bytes) {
- const unsigned end = br->bytes * 8;
- brword b = (br->buffer[cwords] & (FLAC__WORD_ALL_ONES << (FLAC__BITS_PER_WORD-end))) << cbits;
- if(b) {
- i = COUNT_ZERO_MSBS(b);
- uval += i;
- bits = parameter;
- i++;
- cbits += i;
- FLAC__ASSERT(cbits < FLAC__BITS_PER_WORD);
- goto break1;
- }
- else {
- uval += end - cbits;
- cbits += end;
- FLAC__ASSERT(cbits < FLAC__BITS_PER_WORD);
- /* didn't find stop bit yet, have to keep going... */
- }
- }
- /* flush registers and read; bitreader_read_from_client_() does
- * not touch br->consumed_bits at all but we still need to set
- * it in case it fails and we have to return false.
- */
- br->consumed_bits = cbits;
- br->consumed_words = cwords;
- if(!bitreader_read_from_client_(br))
+ if(parameter == 0) {
+ while(val < end) {
+ /* read the unary MSBs and end bit */
+ if(!FLAC__bitreader_read_unary_unsigned(br, &msbs))
return false;
- cwords = br->consumed_words;
- }
-break1:
- /* read binary part */
- FLAC__ASSERT(cwords <= br->words);
-
- if(bits) {
- while((br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8 - cbits < bits) {
- /* flush registers and read; bitreader_read_from_client_() does
- * not touch br->consumed_bits at all but we still need to set
- * it in case it fails and we have to return false.
- */
- br->consumed_bits = cbits;
- br->consumed_words = cwords;
- if(!bitreader_read_from_client_(br))
- return false;
- cwords = br->consumed_words;
- }
- if(cwords < br->words) { /* if we've not consumed up to a partial tail word... */
- if(cbits) {
- /* this also works when consumed_bits==0, it's just a little slower than necessary for that case */
- const unsigned n = FLAC__BITS_PER_WORD - cbits;
- const brword word = br->buffer[cwords];
- if(bits < n) {
- uval <<= bits;
- uval |= (word & (FLAC__WORD_ALL_ONES >> cbits)) >> (n-bits);
- cbits += bits;
- goto break2;
- }
- uval <<= n;
- uval |= word & (FLAC__WORD_ALL_ONES >> cbits);
- bits -= n;
- crc16_update_word_(br, word);
- cwords++;
- cbits = 0;
- if(bits) { /* if there are still bits left to read, there have to be less than 32 so they will all be in the next word */
- uval <<= bits;
- uval |= (br->buffer[cwords] >> (FLAC__BITS_PER_WORD-bits));
- cbits = bits;
- }
- goto break2;
- }
- else {
- FLAC__ASSERT(bits < FLAC__BITS_PER_WORD);
- uval <<= bits;
- uval |= br->buffer[cwords] >> (FLAC__BITS_PER_WORD-bits);
- cbits = bits;
- goto break2;
- }
- }
- else {
- /* in this case we're starting our read at a partial tail word;
- * the reader has guaranteed that we have at least 'bits' bits
- * available to read, which makes this case simpler.
- */
- uval <<= bits;
- if(cbits) {
- /* this also works when consumed_bits==0, it's just a little slower than necessary for that case */
- FLAC__ASSERT(cbits + bits <= br->bytes*8);
- uval |= (br->buffer[cwords] & (FLAC__WORD_ALL_ONES >> cbits)) >> (FLAC__BITS_PER_WORD-cbits-bits);
- cbits += bits;
- goto break2;
- }
- else {
- uval |= br->buffer[cwords] >> (FLAC__BITS_PER_WORD-bits);
- cbits += bits;
- goto break2;
- }
- }
- }
-break2:
- /* compose the value */
- *vals = (int)(uval >> 1 ^ -(int)(uval & 1));
- /* are we done? */
- --nvals;
- if(nvals == 0) {
- br->consumed_bits = cbits;
- br->consumed_words = cwords;
- return true;
+ *val++ = (int)(msbs >> 1) ^ -(int)(msbs & 1);
}
- uval = 0;
- ++vals;
-
+ return true;
}
-}
-#else
-{
- unsigned i;
- unsigned uval = 0;
- /* try and get br->consumed_words and br->consumed_bits into register;
- * must remember to flush them back to *br before calling other
- * bitwriter functions that use them, and before returning */
- register unsigned cwords;
- register unsigned cbits;
- unsigned ucbits; /* keep track of the number of unconsumed bits in the buffer */
+ FLAC__ASSERT(parameter > 0);
- FLAC__ASSERT(0 != br);
- FLAC__ASSERT(0 != br->buffer);
- /* WATCHOUT: code does not work with <32bit words; we can make things much faster with this assertion */
- FLAC__ASSERT(FLAC__BITS_PER_WORD >= 32);
- FLAC__ASSERT(parameter < 32);
- /* the above two asserts also guarantee that the binary part never straddles more than 2 words, so we don't have to loop to read it */
+ cwords = br->consumed_words;
+ words = br->words;
- if(nvals == 0)
- return true;
+ /* if we've not consumed up to a partial tail word... */
+ if(cwords >= words) {
+ x = 0;
+ goto process_tail;
+ }
+
+ ucbits = FLAC__BITS_PER_WORD - br->consumed_bits;
+ b = br->buffer[cwords] << br->consumed_bits; /* keep unconsumed bits aligned to left */
+
+ while(val < end) {
+ /* read the unary MSBs and end bit */
+ x = y = COUNT_ZERO_MSBS(b);
+ if(x == FLAC__BITS_PER_WORD) {
+ x = ucbits;
+ do {
+ /* didn't find stop bit yet, have to keep going... */
+ crc16_update_word_(br, br->buffer[cwords++]);
+ if (cwords >= words)
+ goto incomplete_msbs;
+ b = br->buffer[cwords];
+ y = COUNT_ZERO_MSBS(b);
+ x += y;
+ } while(y == FLAC__BITS_PER_WORD);
+ }
+ b <<= y;
+ b <<= 1; /* account for stop bit */
+ ucbits = (ucbits - x - 1) % FLAC__BITS_PER_WORD;
+ msbs = x;
+
+ /* read the binary LSBs */
+ x = b >> (FLAC__BITS_PER_WORD - parameter);
+ if(parameter <= ucbits) {
+ ucbits -= parameter;
+ b <<= parameter;
+ } else {
+ /* there are still bits left to read, they will all be in the next word */
+ crc16_update_word_(br, br->buffer[cwords++]);
+ if (cwords >= words)
+ goto incomplete_lsbs;
+ b = br->buffer[cwords];
+ ucbits += FLAC__BITS_PER_WORD - parameter;
+ x |= b >> ucbits;
+ b <<= FLAC__BITS_PER_WORD - ucbits;
+ }
+ lsbs = x;
- cbits = br->consumed_bits;
- cwords = br->consumed_words;
- ucbits = (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8 - cbits;
+ /* compose the value */
+ x = (msbs << parameter) | lsbs;
+ *val++ = (int)(x >> 1) ^ -(int)(x & 1);
- while(1) {
+ continue;
- /* read unary part */
- while(1) {
- while(cwords < br->words) { /* if we've not consumed up to a partial tail word... */
- brword b = br->buffer[cwords] << cbits;
- if(b) {
-#if 0 /* is not discernably faster... */ && defined FLAC__CPU_IA32 && !defined FLAC__NO_ASM && FLAC__BITS_PER_WORD == 32 && defined __GNUC__
- asm volatile (
- "bsrl %1, %0;"
- "notl %0;"
- "andl $31, %0;"
- : "=r"(i)
- : "r"(b)
- );
-#else
- i = COUNT_ZERO_MSBS(b);
-#endif
- uval += i;
- cbits += i;
- cbits++; /* skip over stop bit */
- if(cbits >= FLAC__BITS_PER_WORD) { /* faster way of testing if(cbits == FLAC__BITS_PER_WORD) */
- crc16_update_word_(br, br->buffer[cwords]);
- cwords++;
- cbits = 0;
- }
- goto break1;
- }
- else {
- uval += FLAC__BITS_PER_WORD - cbits;
- crc16_update_word_(br, br->buffer[cwords]);
- cwords++;
- cbits = 0;
- /* didn't find stop bit yet, have to keep going... */
- }
- }
- /* at this point we've eaten up all the whole words; have to try
- * reading through any tail bytes before calling the read callback.
- * this is a repeat of the above logic adjusted for the fact we
- * don't have a whole word. note though if the client is feeding
- * us data a byte at a time (unlikely), br->consumed_bits may not
- * be zero.
- */
- if(br->bytes) {
- const unsigned end = br->bytes * 8;
- brword b = (br->buffer[cwords] & ~(FLAC__WORD_ALL_ONES >> end)) << cbits;
- if(b) {
- i = COUNT_ZERO_MSBS(b);
- uval += i;
- cbits += i;
- cbits++; /* skip over stop bit */
- FLAC__ASSERT(cbits < FLAC__BITS_PER_WORD);
- goto break1;
- }
- else {
- uval += end - cbits;
- cbits += end;
- FLAC__ASSERT(cbits < FLAC__BITS_PER_WORD);
- /* didn't find stop bit yet, have to keep going... */
- }
+ /* at this point we've eaten up all the whole words */
+process_tail:
+ do {
+ if(0) {
+incomplete_msbs:
+ br->consumed_bits = 0;
+ br->consumed_words = cwords;
}
- /* flush registers and read; bitreader_read_from_client_() does
- * not touch br->consumed_bits at all but we still need to set
- * it in case it fails and we have to return false.
- */
- br->consumed_bits = cbits;
- br->consumed_words = cwords;
- if(!bitreader_read_from_client_(br))
+
+ /* read the unary MSBs and end bit */
+ if(!FLAC__bitreader_read_unary_unsigned(br, &msbs))
return false;
- cwords = br->consumed_words;
- ucbits = (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8 - cbits + uval;
- /* + uval to offset our count by the # of unary bits already
- * consumed before the read, because we will add these back
- * in all at once at break1
- */
- }
-break1:
- ucbits -= uval;
- ucbits--; /* account for stop bit */
-
- /* read binary part */
- FLAC__ASSERT(cwords <= br->words);
-
- if(parameter) {
- while(ucbits < parameter) {
- /* flush registers and read; bitreader_read_from_client_() does
- * not touch br->consumed_bits at all but we still need to set
- * it in case it fails and we have to return false.
- */
- br->consumed_bits = cbits;
+ msbs += x;
+ x = ucbits = 0;
+
+ if(0) {
+incomplete_lsbs:
+ br->consumed_bits = 0;
br->consumed_words = cwords;
- if(!bitreader_read_from_client_(br))
- return false;
- cwords = br->consumed_words;
- ucbits = (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8 - cbits;
- }
- if(cwords < br->words) { /* if we've not consumed up to a partial tail word... */
- if(cbits) {
- /* this also works when consumed_bits==0, it's just slower than necessary for that case */
- const unsigned n = FLAC__BITS_PER_WORD - cbits;
- const brword word = br->buffer[cwords];
- if(parameter < n) {
- uval <<= parameter;
- uval |= (word & (FLAC__WORD_ALL_ONES >> cbits)) >> (n-parameter);
- cbits += parameter;
- }
- else {
- uval <<= n;
- uval |= word & (FLAC__WORD_ALL_ONES >> cbits);
- crc16_update_word_(br, word);
- cwords++;
- cbits = parameter - n;
- if(cbits) { /* parameter > n, i.e. if there are still bits left to read, there have to be less than 32 so they will all be in the next word */
- uval <<= cbits;
- uval |= (br->buffer[cwords] >> (FLAC__BITS_PER_WORD-cbits));
- }
- }
- }
- else {
- cbits = parameter;
- uval <<= parameter;
- uval |= br->buffer[cwords] >> (FLAC__BITS_PER_WORD-cbits);
- }
}
- else {
- /* in this case we're starting our read at a partial tail word;
- * the reader has guaranteed that we have at least 'parameter'
- * bits available to read, which makes this case simpler.
- */
- uval <<= parameter;
- if(cbits) {
- /* this also works when consumed_bits==0, it's just a little slower than necessary for that case */
- FLAC__ASSERT(cbits + parameter <= br->bytes*8);
- uval |= (br->buffer[cwords] & (FLAC__WORD_ALL_ONES >> cbits)) >> (FLAC__BITS_PER_WORD-cbits-parameter);
- cbits += parameter;
- }
- else {
- cbits = parameter;
- uval |= br->buffer[cwords] >> (FLAC__BITS_PER_WORD-cbits);
- }
- }
- }
- ucbits -= parameter;
-
- /* compose the value */
- *vals = (int)(uval >> 1 ^ -(int)(uval & 1));
+ /* read the binary LSBs */
+ if(!FLAC__bitreader_read_raw_uint32(br, &lsbs, parameter - ucbits))
+ return false;
+ lsbs = x | lsbs;
- /* are we done? */
- --nvals;
- if(nvals == 0) {
- br->consumed_bits = cbits;
- br->consumed_words = cwords;
- return true;
- }
+ /* compose the value */
+ x = (msbs << parameter) | lsbs;
+ *val++ = (int)(x >> 1) ^ -(int)(x & 1);
+ x = 0;
- uval = 0;
- ++vals;
+ cwords = br->consumed_words;
+ words = br->words;
+ ucbits = FLAC__BITS_PER_WORD - br->consumed_bits;
+ b = br->buffer[cwords] << br->consumed_bits;
+ } while(cwords >= words && val < end);
+ }
+ if(ucbits == 0 && cwords < words) {
+ /* don't leave the head word with no unconsumed bits */
+ crc16_update_word_(br, br->buffer[cwords++]);
+ ucbits = FLAC__BITS_PER_WORD;
}
+
+ br->consumed_bits = FLAC__BITS_PER_WORD - ucbits;
+ br->consumed_words = cwords;
+
+ return true;
}
-#endif
#if 0 /* UNUSED */
FLAC__bool FLAC__bitreader_read_golomb_signed(FLAC__BitReader *br, int *val, unsigned parameter)

45
flac-1.2.1-cflags.patch
View File

@ -1,45 +0,0 @@
diff -up flac-1.2.1/src/libFLAC/Makefile.am.cflags flac-1.2.1/src/libFLAC/Makefile.am
--- flac-1.2.1/src/libFLAC/Makefile.am.cflags 2007-09-14 23:06:17.000000000 +0200
+++ flac-1.2.1/src/libFLAC/Makefile.am 2008-03-17 14:19:29.000000000 +0100
@@ -41,7 +41,7 @@ CPUCFLAGS = -faltivec -force_cpusubtype_
else
# Linux-gcc for PPC does not have -force_cpusubtype_ALL, it is Darwin-specific
#@@@ PPC optimizations temporarily disabled
-CPUCFLAGS = -maltivec -mabi=altivec -DFLAC__NO_ASM
+CPUCFLAGS = -DFLAC__NO_ASM
endif
endif
@@ -69,7 +69,7 @@ endif
endif
endif
-libFLAC_la_LIBADD = $(LOCAL_EXTRA_LIBADD) @OGG_LIBS@
+libFLAC_la_LIBADD = $(LOCAL_EXTRA_LIBADD) @OGG_LIBS@ libFLAC_extracflags.la
SUBDIRS = $(ARCH_SUBDIRS) include .
@@ -112,7 +112,10 @@ libFLAC_la_SOURCES = \
metadata_iterators.c \
metadata_object.c \
stream_decoder.c \
- stream_encoder.c \
stream_encoder_framing.c \
window.c \
$(extra_ogg_sources)
+
+noinst_LTLIBRARIES = libFLAC_extracflags.la
+libFLAC_extracflags_la_SOURCES = stream_encoder.c
+libFLAC_extracflags_la_CFLAGS = $(AM_CFLAGS) -funroll-loops
diff -up flac-1.2.1/configure.in.cflags flac-1.2.1/configure.in
--- flac-1.2.1/configure.in.cflags 2007-09-13 17:48:42.000000000 +0200
+++ flac-1.2.1/configure.in 2008-03-17 14:17:08.000000000 +0100
@@ -301,7 +301,7 @@ else
CPPFLAGS="-DNDEBUG $CPPFLAGS"
if test "x$GCC" = xyes; then
CPPFLAGS="-DFLaC__INLINE=__inline__ $CPPFLAGS"
- CFLAGS="-O3 -funroll-loops -finline-functions -Wall -W -Winline $CFLAGS"
+ CFLAGS="-Wall -W -Winline $CFLAGS"
fi
fi

11
flac-1.2.1-gcc43.patch
View File

@ -1,11 +0,0 @@
diff -up flac-1.2.1/examples/cpp/encode/file/main.cpp.gcc43 flac-1.2.1/examples/cpp/encode/file/main.cpp
--- flac-1.2.1/examples/cpp/encode/file/main.cpp.gcc43 2007-09-13 17:58:03.000000000 +0200
+++ flac-1.2.1/examples/cpp/encode/file/main.cpp 2008-01-08 10:27:39.000000000 +0100
@@ -29,6 +29,7 @@
#endif
#include <stdio.h>
+#include <string.h>
#include <stdlib.h>
#include "FLAC++/metadata.h"
#include "FLAC++/encoder.h"

39
flac-1.2.1-hidesyms.patch
View File

@ -1,39 +0,0 @@
diff -up flac-1.2.1/src/libFLAC/include/private/ogg_helper.h.hidesyms flac-1.2.1/src/libFLAC/include/private/ogg_helper.h
--- flac-1.2.1/src/libFLAC/include/private/ogg_helper.h.hidesyms 2007-02-02 07:22:40.000000000 +0100
+++ flac-1.2.1/src/libFLAC/include/private/ogg_helper.h 2008-01-29 15:27:13.000000000 +0100
@@ -35,9 +35,13 @@
#include <ogg/ogg.h>
#include "FLAC/stream_encoder.h" /* for FLAC__StreamEncoder */
+__attribute__((__visibility__("hidden")))
void simple_ogg_page__init(ogg_page *page);
+__attribute__((__visibility__("hidden")))
void simple_ogg_page__clear(ogg_page *page);
+__attribute__((__visibility__("hidden")))
FLAC__bool simple_ogg_page__get_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderReadCallback read_callback, void *client_data);
+__attribute__((__visibility__("hidden")))
FLAC__bool simple_ogg_page__set_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderWriteCallback write_callback, void *client_data);
#endif
diff -up flac-1.2.1/src/libFLAC/include/private/bitreader.h.hidesyms flac-1.2.1/src/libFLAC/include/private/bitreader.h
--- flac-1.2.1/src/libFLAC/include/private/bitreader.h.hidesyms 2007-07-10 22:22:19.000000000 +0200
+++ flac-1.2.1/src/libFLAC/include/private/bitreader.h 2008-01-29 15:27:13.000000000 +0100
@@ -95,5 +95,6 @@ FLAC__bool FLAC__bitreader_read_golomb_u
FLAC__bool FLAC__bitreader_read_utf8_uint32(FLAC__BitReader *br, FLAC__uint32 *val, FLAC__byte *raw, unsigned *rawlen);
FLAC__bool FLAC__bitreader_read_utf8_uint64(FLAC__BitReader *br, FLAC__uint64 *val, FLAC__byte *raw, unsigned *rawlen);
+__attribute__((__visibility__("hidden")))
FLAC__bool bitreader_read_from_client_(FLAC__BitReader *br);
#endif
diff -up flac-1.2.1/src/libFLAC/ia32/stream_encoder_asm.nasm.hidesyms flac-1.2.1/src/libFLAC/ia32/stream_encoder_asm.nasm
--- flac-1.2.1/src/libFLAC/ia32/stream_encoder_asm.nasm.hidesyms 2008-01-29 15:27:13.000000000 +0100
+++ flac-1.2.1/src/libFLAC/ia32/stream_encoder_asm.nasm 2008-01-29 15:28:32.000000000 +0100
@@ -34,7 +34,7 @@
data_section
-cglobal precompute_partition_info_sums_32bit_asm_ia32_
+cglobal precompute_partition_info_sums_32bit_asm_ia32_:function hidden
code_section

41
flac-1.2.1-tests.patch
View File

@ -1,41 +0,0 @@
diff -up flac-1.2.1/test/test_seeking.sh.tests flac-1.2.1/test/test_seeking.sh
--- flac-1.2.1/test/test_seeking.sh.tests 2007-09-11 09:33:04.000000000 +0200
+++ flac-1.2.1/test/test_seeking.sh 2008-01-29 13:52:03.000000000 +0100
@@ -103,7 +103,7 @@ tiny_seek_count=100
if [ "$FLAC__TEST_LEVEL" -gt 1 ] ; then
small_seek_count=10000
else
- small_seek_count=100000
+ small_seek_count=100
fi
for suffix in '' '-s' ; do
diff -up flac-1.2.1/test/test_streams.sh.tests flac-1.2.1/test/test_streams.sh
--- flac-1.2.1/test/test_streams.sh.tests 2007-06-16 21:58:39.000000000 +0200
+++ flac-1.2.1/test/test_streams.sh 2008-03-17 13:57:39.000000000 +0100
@@ -39,6 +39,10 @@ if [ x"$FLAC__TEST_LEVEL" = x ] ; then
FLAC__TEST_LEVEL=1
fi
+if [ "$FLAC__TEST_LEVEL" -eq 0 ] ; then
+ exit 0
+fi
+
flac --help 1>/dev/null 2>/dev/null || die "ERROR can't find flac executable"
run_flac ()
diff -up flac-1.2.1/src/test_streams/main.c.tests flac-1.2.1/src/test_streams/main.c
--- flac-1.2.1/src/test_streams/main.c.tests 2007-08-31 07:54:49.000000000 +0200
+++ flac-1.2.1/src/test_streams/main.c 2008-01-29 13:53:46.000000000 +0100
@@ -898,9 +898,9 @@ int main(int argc, char *argv[])
if(!generate_noise("noise.raw", 65536 * 8 * 3)) return 1;
if(!generate_noise("noise8m32.raw", 32)) return 1;
if(!generate_wackywavs()) return 1;
- for(channels = 1; channels <= 8; channels++) {
+ for(channels = 1; channels <= 2; channels++) {
unsigned bits_per_sample;
- for(bits_per_sample = 4; bits_per_sample <= 24; bits_per_sample++) {
+ for(bits_per_sample = 8; bits_per_sample <= 24; bits_per_sample += 8) {
static const unsigned nsamples[] = { 1, 111, 4777 } ;
unsigned samples;
for(samples = 0; samples < sizeof(nsamples)/sizeof(nsamples[0]); samples++) {

31
flac.spec
View File

@ -1,20 +1,20 @@
%global gitdate 20121204
%global gitrev a43f56
Summary: An encoder/decoder for the Free Lossless Audio Codec Summary: An encoder/decoder for the Free Lossless Audio Codec
Name: flac Name: flac
Version: 1.2.1 Version: 1.2.1
Release: 10%{?dist} Release: 10%{?dist}
License: BSD and GPLv2+ License: BSD and GPLv2+
Group: Applications/Multimedia Group: Applications/Multimedia
Source: http://prdownloads.sourceforge.net/flac/flac-%{version}.tar.gz
Patch1: flac-1.2.1-asm.patch # git clone git://git.xiph.org/flac.git; cd flac
Patch2: flac-1.2.1-gcc43.patch # git archive --prefix=flac/ %{gitrev} | xz > flac-%{gitdate}git%{gitrev}.tar.xz
Patch3: flac-1.2.1-hidesyms.patch Source0: %{name}-%{gitdate}git%{gitrev}.tar.xz
Patch4: flac-1.2.1-tests.patch #Source: http://prdownloads.sourceforge.net/flac/flac-%{version}.tar.gz
Patch5: flac-1.2.1-cflags.patch
Patch6: flac-1.2.1-bitreader.patch
URL: http://flac.sourceforge.net/ URL: http://flac.sourceforge.net/
BuildRequires: libogg-devel BuildRequires: libogg-devel
BuildRequires: automake autoconf libtool gettext-devel BuildRequires: automake autoconf libtool gettext-devel doxygen
%ifarch %{ix86} %ifarch %{ix86}
# 2.0 supports symbol visibility # 2.0 supports symbol visibility
BuildRequires: nasm >= 2.0 BuildRequires: nasm >= 2.0
@ -39,20 +39,16 @@ This package contains all the files needed to develop applications that
will use the Free Lossless Audio Codec. will use the Free Lossless Audio Codec.
%prep %prep
%setup -q %setup -q -n %{name}
%patch1 -p1 -b .asm
%patch2 -p1 -b .gcc43
%patch3 -p1 -b .hidesyms
# reduce number of tests
%patch4 -p1 -b .tests
%patch5 -p1 -b .cflags
%patch6 -p0 -b .bitreader
%build %build
./autogen.sh -V ./autogen.sh -V
# -funroll-loops makes encoding about 10% faster
export CFLAGS="%{optflags} -funroll-loops"
%configure \ %configure \
--disable-xmms-plugin \ --disable-xmms-plugin \
--disable-silent-rules \
--disable-thorough-tests --disable-thorough-tests
make %{?_smp_mflags} make %{?_smp_mflags}
@ -61,11 +57,10 @@ make %{?_smp_mflags}
make install DESTDIR=%{buildroot} make install DESTDIR=%{buildroot}
find doc/ -name "Makefile*" -exec rm -f {} \; find doc/ -name "Makefile*" -exec rm -f {} \;
rm %{buildroot}%{_libdir}/*.a
rm %{buildroot}%{_libdir}/*.la rm %{buildroot}%{_libdir}/*.la
%check %check
make -C test check &> /dev/null make -C test check FLAC__TEST_LEVEL=0 &> /dev/null
%post -p /sbin/ldconfig %post -p /sbin/ldconfig

2
sources
View File

@ -1 +1 @@
153c8b15a54da428d1f0fadc756c22c7 flac-1.2.1.tar.gz d768998eebf55dbabb715d7bda03ebe5 flac-20121204gita43f56.tar.xz