mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
Merge remote-tracking branch 'qatar/master'
* qatar/master: configure: Group math functions into a separate variable avutil/mem: K&R formatting cosmetics avutil/lzo: K&R formatting cosmetics Conflicts: configure libavutil/mem.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
commit
6912e7a008
55
configure
vendored
55
configure
vendored
@ -1263,6 +1263,25 @@ HAVE_LIST_PUB='
|
||||
incompatible_fork_abi
|
||||
'
|
||||
|
||||
MATH_FUNCS="
|
||||
cbrtf
|
||||
exp2
|
||||
exp2f
|
||||
isinf
|
||||
isnan
|
||||
llrint
|
||||
llrintf
|
||||
log2
|
||||
log2f
|
||||
lrint
|
||||
lrintf
|
||||
rint
|
||||
round
|
||||
roundf
|
||||
trunc
|
||||
truncf
|
||||
"
|
||||
|
||||
HAVE_LIST="
|
||||
$ARCH_EXT_LIST
|
||||
$(add_suffix _external $ARCH_EXT_LIST)
|
||||
@ -1270,6 +1289,7 @@ HAVE_LIST="
|
||||
$HAVE_LIST_CMDLINE
|
||||
$HAVE_LIST_PUB
|
||||
$THREADS_LIST
|
||||
$MATH_FUNCS
|
||||
aligned_malloc
|
||||
aligned_stack
|
||||
alsa_asoundlib_h
|
||||
@ -1280,7 +1300,6 @@ HAVE_LIST="
|
||||
asm_types_h
|
||||
attribute_may_alias
|
||||
attribute_packed
|
||||
cbrtf
|
||||
clock_gettime
|
||||
closesocket
|
||||
cmov
|
||||
@ -1299,8 +1318,6 @@ HAVE_LIST="
|
||||
dxva_h
|
||||
ebp_available
|
||||
ebx_available
|
||||
exp2
|
||||
exp2f
|
||||
fast_64bit
|
||||
fast_clz
|
||||
fast_cmov
|
||||
@ -1321,23 +1338,15 @@ HAVE_LIST="
|
||||
inet_aton
|
||||
io_h
|
||||
isatty
|
||||
isinf
|
||||
isnan
|
||||
jack_port_get_latency_range
|
||||
kbhit
|
||||
ldbrx
|
||||
libdc1394_1
|
||||
libdc1394_2
|
||||
llrint
|
||||
llrintf
|
||||
local_aligned_16
|
||||
local_aligned_8
|
||||
localtime_r
|
||||
log2
|
||||
log2f
|
||||
loongson
|
||||
lrint
|
||||
lrintf
|
||||
lzo1x_999_compress
|
||||
machine_ioctl_bt848_h
|
||||
machine_ioctl_meteor_h
|
||||
@ -1358,9 +1367,6 @@ HAVE_LIST="
|
||||
posix_memalign
|
||||
pthread_cancel
|
||||
rdtsc
|
||||
rint
|
||||
round
|
||||
roundf
|
||||
sched_getaffinity
|
||||
sdl
|
||||
sdl_video_size
|
||||
@ -1396,8 +1402,6 @@ HAVE_LIST="
|
||||
termios_h
|
||||
texi2html
|
||||
threads
|
||||
trunc
|
||||
truncf
|
||||
unistd_h
|
||||
usleep
|
||||
vfp_args
|
||||
@ -3615,22 +3619,9 @@ check_lib math.h sin -lm && LIBM="-lm"
|
||||
disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
|
||||
enabled vaapi && require vaapi va/va.h vaInitialize -lva
|
||||
|
||||
check_mathfunc cbrtf
|
||||
check_mathfunc exp2
|
||||
check_mathfunc exp2f
|
||||
check_mathfunc isinf
|
||||
check_mathfunc isnan
|
||||
check_mathfunc llrint
|
||||
check_mathfunc llrintf
|
||||
check_mathfunc log2
|
||||
check_mathfunc log2f
|
||||
check_mathfunc lrint
|
||||
check_mathfunc lrintf
|
||||
check_mathfunc rint
|
||||
check_mathfunc round
|
||||
check_mathfunc roundf
|
||||
check_mathfunc trunc
|
||||
check_mathfunc truncf
|
||||
for func in $MATH_FUNCS; do
|
||||
check_mathfunc $func
|
||||
done
|
||||
|
||||
# these are off by default, so fail if requested and not available
|
||||
enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
|
||||
|
@ -29,6 +29,7 @@
|
||||
#define OUTBUF_PADDED 1
|
||||
/// Define if we may read up to 8 bytes beyond the input buffer.
|
||||
#define INBUF_PADDED 1
|
||||
|
||||
typedef struct LZOContext {
|
||||
const uint8_t *in, *in_end;
|
||||
uint8_t *out_start, *out, *out_end;
|
||||
@ -39,7 +40,8 @@ typedef struct LZOContext {
|
||||
* @brief Reads one byte from the input buffer, avoiding an overrun.
|
||||
* @return byte read
|
||||
*/
|
||||
static inline int get_byte(LZOContext *c) {
|
||||
static inline int get_byte(LZOContext *c)
|
||||
{
|
||||
if (c->in < c->in_end)
|
||||
return *c->in++;
|
||||
c->error |= AV_LZO_INPUT_DEPLETED;
|
||||
@ -58,10 +60,12 @@ static inline int get_byte(LZOContext *c) {
|
||||
* @param mask bits used from x
|
||||
* @return decoded length value
|
||||
*/
|
||||
static inline int get_len(LZOContext *c, int x, int mask) {
|
||||
static inline int get_len(LZOContext *c, int x, int mask)
|
||||
{
|
||||
int cnt = x & mask;
|
||||
if (!cnt) {
|
||||
while (!(x = get_byte(c))) cnt += 255;
|
||||
while (!(x = get_byte(c)))
|
||||
cnt += 255;
|
||||
cnt += mask + x;
|
||||
}
|
||||
return cnt;
|
||||
@ -84,15 +88,16 @@ static inline int get_len(LZOContext *c, int x, int mask) {
|
||||
* @brief Copies bytes from input to output buffer with checking.
|
||||
* @param cnt number of bytes to copy, must be >= 0
|
||||
*/
|
||||
static inline void copy(LZOContext *c, int cnt) {
|
||||
static inline void copy(LZOContext *c, int cnt)
|
||||
{
|
||||
register const uint8_t *src = c->in;
|
||||
register uint8_t *dst = c->out;
|
||||
register uint8_t *dst = c->out;
|
||||
if (cnt > c->in_end - src) {
|
||||
cnt = FFMAX(c->in_end - src, 0);
|
||||
cnt = FFMAX(c->in_end - src, 0);
|
||||
c->error |= AV_LZO_INPUT_DEPLETED;
|
||||
}
|
||||
if (cnt > c->out_end - dst) {
|
||||
cnt = FFMAX(c->out_end - dst, 0);
|
||||
cnt = FFMAX(c->out_end - dst, 0);
|
||||
c->error |= AV_LZO_OUTPUT_FULL;
|
||||
}
|
||||
#if defined(INBUF_PADDED) && defined(OUTBUF_PADDED)
|
||||
@ -102,8 +107,8 @@ static inline void copy(LZOContext *c, int cnt) {
|
||||
cnt -= 4;
|
||||
if (cnt > 0)
|
||||
#endif
|
||||
memcpy(dst, src, cnt);
|
||||
c->in = src + cnt;
|
||||
memcpy(dst, src, cnt);
|
||||
c->in = src + cnt;
|
||||
c->out = dst + cnt;
|
||||
}
|
||||
|
||||
@ -117,22 +122,24 @@ static inline void memcpy_backptr(uint8_t *dst, int back, int cnt);
|
||||
* cnt > back is valid, this will copy the bytes we just copied,
|
||||
* thus creating a repeating pattern with a period length of back.
|
||||
*/
|
||||
static inline void copy_backptr(LZOContext *c, int back, int cnt) {
|
||||
static inline void copy_backptr(LZOContext *c, int back, int cnt)
|
||||
{
|
||||
register const uint8_t *src = &c->out[-back];
|
||||
register uint8_t *dst = c->out;
|
||||
register uint8_t *dst = c->out;
|
||||
if (src < c->out_start || src > dst) {
|
||||
c->error |= AV_LZO_INVALID_BACKPTR;
|
||||
return;
|
||||
}
|
||||
if (cnt > c->out_end - dst) {
|
||||
cnt = FFMAX(c->out_end - dst, 0);
|
||||
cnt = FFMAX(c->out_end - dst, 0);
|
||||
c->error |= AV_LZO_OUTPUT_FULL;
|
||||
}
|
||||
memcpy_backptr(dst, back, cnt);
|
||||
c->out = dst + cnt;
|
||||
}
|
||||
|
||||
static inline void memcpy_backptr(uint8_t *dst, int back, int cnt) {
|
||||
static inline void memcpy_backptr(uint8_t *dst, int back, int cnt)
|
||||
{
|
||||
const uint8_t *src = &dst[-back];
|
||||
if (back <= 1) {
|
||||
memset(dst, *src, cnt);
|
||||
@ -157,8 +164,8 @@ static inline void memcpy_backptr(uint8_t *dst, int back, int cnt) {
|
||||
int blocklen = back;
|
||||
while (cnt > blocklen) {
|
||||
memcpy(dst, src, blocklen);
|
||||
dst += blocklen;
|
||||
cnt -= blocklen;
|
||||
dst += blocklen;
|
||||
cnt -= blocklen;
|
||||
blocklen <<= 1;
|
||||
}
|
||||
memcpy(dst, src, cnt);
|
||||
@ -166,12 +173,14 @@ static inline void memcpy_backptr(uint8_t *dst, int back, int cnt) {
|
||||
}
|
||||
}
|
||||
|
||||
void av_memcpy_backptr(uint8_t *dst, int back, int cnt) {
|
||||
void av_memcpy_backptr(uint8_t *dst, int back, int cnt)
|
||||
{
|
||||
memcpy_backptr(dst, back, cnt);
|
||||
}
|
||||
|
||||
int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen) {
|
||||
int state= 0;
|
||||
int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen)
|
||||
{
|
||||
int state = 0;
|
||||
int x;
|
||||
LZOContext c;
|
||||
if (*outlen <= 0 || *inlen <= 0) {
|
||||
@ -182,16 +191,17 @@ int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen) {
|
||||
res |= AV_LZO_INPUT_DEPLETED;
|
||||
return res;
|
||||
}
|
||||
c.in = in;
|
||||
c.in_end = (const uint8_t *)in + *inlen;
|
||||
c.out = c.out_start = out;
|
||||
c.out_end = (uint8_t *)out + * outlen;
|
||||
c.error = 0;
|
||||
x = GETB(c);
|
||||
c.in = in;
|
||||
c.in_end = (const uint8_t *)in + *inlen;
|
||||
c.out = c.out_start = out;
|
||||
c.out_end = (uint8_t *)out + *outlen;
|
||||
c.error = 0;
|
||||
x = GETB(c);
|
||||
if (x > 17) {
|
||||
copy(&c, x - 17);
|
||||
x = GETB(c);
|
||||
if (x < 16) c.error |= AV_LZO_ERROR;
|
||||
if (x < 16)
|
||||
c.error |= AV_LZO_ERROR;
|
||||
}
|
||||
if (c.in > c.in_end)
|
||||
c.error |= AV_LZO_INPUT_DEPLETED;
|
||||
@ -199,16 +209,16 @@ int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen) {
|
||||
int cnt, back;
|
||||
if (x > 15) {
|
||||
if (x > 63) {
|
||||
cnt = (x >> 5) - 1;
|
||||
cnt = (x >> 5) - 1;
|
||||
back = (GETB(c) << 3) + ((x >> 2) & 7) + 1;
|
||||
} else if (x > 31) {
|
||||
cnt = get_len(&c, x, 31);
|
||||
x = GETB(c);
|
||||
cnt = get_len(&c, x, 31);
|
||||
x = GETB(c);
|
||||
back = (GETB(c) << 6) + (x >> 2) + 1;
|
||||
} else {
|
||||
cnt = get_len(&c, x, 7);
|
||||
back = (1 << 14) + ((x & 8) << 11);
|
||||
x = GETB(c);
|
||||
cnt = get_len(&c, x, 7);
|
||||
back = (1 << 14) + ((x & 8) << 11);
|
||||
x = GETB(c);
|
||||
back += (GETB(c) << 6) + (x >> 2);
|
||||
if (back == (1 << 14)) {
|
||||
if (cnt != 1)
|
||||
@ -216,21 +226,21 @@ int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else if(!state){
|
||||
cnt = get_len(&c, x, 15);
|
||||
copy(&c, cnt + 3);
|
||||
x = GETB(c);
|
||||
if (x > 15)
|
||||
continue;
|
||||
cnt = 1;
|
||||
back = (1 << 11) + (GETB(c) << 2) + (x >> 2) + 1;
|
||||
} else if (!state) {
|
||||
cnt = get_len(&c, x, 15);
|
||||
copy(&c, cnt + 3);
|
||||
x = GETB(c);
|
||||
if (x > 15)
|
||||
continue;
|
||||
cnt = 1;
|
||||
back = (1 << 11) + (GETB(c) << 2) + (x >> 2) + 1;
|
||||
} else {
|
||||
cnt = 0;
|
||||
back = (GETB(c) << 2) + (x >> 2) + 1;
|
||||
cnt = 0;
|
||||
back = (GETB(c) << 2) + (x >> 2) + 1;
|
||||
}
|
||||
copy_backptr(&c, back, cnt + 2);
|
||||
state=
|
||||
cnt = x & 3;
|
||||
state =
|
||||
cnt = x & 3;
|
||||
copy(&c, cnt);
|
||||
x = GETB(c);
|
||||
}
|
||||
|
@ -32,18 +32,18 @@
|
||||
#include <stdint.h>
|
||||
|
||||
/** @name Error flags returned by av_lzo1x_decode
|
||||
* @{ */
|
||||
* @{ */
|
||||
/// end of the input buffer reached before decoding finished
|
||||
#define AV_LZO_INPUT_DEPLETED 1
|
||||
#define AV_LZO_INPUT_DEPLETED 1
|
||||
/// decoded data did not fit into output buffer
|
||||
#define AV_LZO_OUTPUT_FULL 2
|
||||
#define AV_LZO_OUTPUT_FULL 2
|
||||
/// a reference to previously decoded data was wrong
|
||||
#define AV_LZO_INVALID_BACKPTR 4
|
||||
/// a non-specific error in the compressed bitstream
|
||||
#define AV_LZO_ERROR 8
|
||||
#define AV_LZO_ERROR 8
|
||||
/** @} */
|
||||
|
||||
#define AV_LZO_INPUT_PADDING 8
|
||||
#define AV_LZO_INPUT_PADDING 8
|
||||
#define AV_LZO_OUTPUT_PADDING 12
|
||||
|
||||
/**
|
||||
|
@ -80,47 +80,47 @@ void *av_malloc(size_t size)
|
||||
#endif
|
||||
|
||||
/* let's disallow possible ambiguous cases */
|
||||
if (size > (max_alloc_size-32))
|
||||
if (size > (max_alloc_size - 32))
|
||||
return NULL;
|
||||
|
||||
#if CONFIG_MEMALIGN_HACK
|
||||
ptr = malloc(size+ALIGN);
|
||||
if(!ptr)
|
||||
ptr = malloc(size + ALIGN);
|
||||
if (!ptr)
|
||||
return ptr;
|
||||
diff= ((-(long)ptr - 1)&(ALIGN-1)) + 1;
|
||||
ptr = (char*)ptr + diff;
|
||||
((char*)ptr)[-1]= diff;
|
||||
diff = ((-(long)ptr - 1)&(ALIGN - 1)) + 1;
|
||||
ptr = (char *)ptr + diff;
|
||||
((char *)ptr)[-1] = diff;
|
||||
#elif HAVE_POSIX_MEMALIGN
|
||||
if (size) //OS X on SDK 10.6 has a broken posix_memalign implementation
|
||||
if (posix_memalign(&ptr,ALIGN,size))
|
||||
if (posix_memalign(&ptr, ALIGN, size))
|
||||
ptr = NULL;
|
||||
#elif HAVE_ALIGNED_MALLOC
|
||||
ptr = _aligned_malloc(size, ALIGN);
|
||||
#elif HAVE_MEMALIGN
|
||||
ptr = memalign(ALIGN,size);
|
||||
ptr = memalign(ALIGN, size);
|
||||
/* Why 64?
|
||||
Indeed, we should align it:
|
||||
on 4 for 386
|
||||
on 16 for 486
|
||||
on 32 for 586, PPro - K6-III
|
||||
on 64 for K7 (maybe for P3 too).
|
||||
Because L1 and L2 caches are aligned on those values.
|
||||
But I don't want to code such logic here!
|
||||
* Indeed, we should align it:
|
||||
* on 4 for 386
|
||||
* on 16 for 486
|
||||
* on 32 for 586, PPro - K6-III
|
||||
* on 64 for K7 (maybe for P3 too).
|
||||
* Because L1 and L2 caches are aligned on those values.
|
||||
* But I don't want to code such logic here!
|
||||
*/
|
||||
/* Why 32?
|
||||
For AVX ASM. SSE / NEON needs only 16.
|
||||
Why not larger? Because I did not see a difference in benchmarks ...
|
||||
/* Why 32?
|
||||
* For AVX ASM. SSE / NEON needs only 16.
|
||||
* Why not larger? Because I did not see a difference in benchmarks ...
|
||||
*/
|
||||
/* benchmarks with P3
|
||||
memalign(64)+1 3071,3051,3032
|
||||
memalign(64)+2 3051,3032,3041
|
||||
memalign(64)+4 2911,2896,2915
|
||||
memalign(64)+8 2545,2554,2550
|
||||
memalign(64)+16 2543,2572,2563
|
||||
memalign(64)+32 2546,2545,2571
|
||||
memalign(64)+64 2570,2533,2558
|
||||
|
||||
BTW, malloc seems to do 8-byte alignment by default here.
|
||||
/* benchmarks with P3
|
||||
* memalign(64) + 1 3071, 3051, 3032
|
||||
* memalign(64) + 2 3051, 3032, 3041
|
||||
* memalign(64) + 4 2911, 2896, 2915
|
||||
* memalign(64) + 8 2545, 2554, 2550
|
||||
* memalign(64) + 16 2543, 2572, 2563
|
||||
* memalign(64) + 32 2546, 2545, 2571
|
||||
* memalign(64) + 64 2570, 2533, 2558
|
||||
*
|
||||
* BTW, malloc seems to do 8-byte alignment by default here.
|
||||
*/
|
||||
#else
|
||||
ptr = malloc(size);
|
||||
@ -143,15 +143,17 @@ void *av_realloc(void *ptr, size_t size)
|
||||
#endif
|
||||
|
||||
/* let's disallow possible ambiguous cases */
|
||||
if (size > (max_alloc_size-32))
|
||||
if (size > (max_alloc_size - 32))
|
||||
return NULL;
|
||||
|
||||
#if CONFIG_MEMALIGN_HACK
|
||||
//FIXME this isn't aligned correctly, though it probably isn't needed
|
||||
if(!ptr) return av_malloc(size);
|
||||
diff= ((char*)ptr)[-1];
|
||||
ptr= realloc((char*)ptr - diff, size + diff);
|
||||
if(ptr) ptr = (char*)ptr + diff;
|
||||
if (!ptr)
|
||||
return av_malloc(size);
|
||||
diff = ((char *)ptr)[-1];
|
||||
ptr = realloc((char *)ptr - diff, size + diff);
|
||||
if (ptr)
|
||||
ptr = (char *)ptr + diff;
|
||||
return ptr;
|
||||
#elif HAVE_ALIGNED_MALLOC
|
||||
return _aligned_realloc(ptr, size + !size, ALIGN);
|
||||
@ -179,7 +181,7 @@ void av_free(void *ptr)
|
||||
{
|
||||
#if CONFIG_MEMALIGN_HACK
|
||||
if (ptr)
|
||||
free((char*)ptr - ((char*)ptr)[-1]);
|
||||
free((char *)ptr - ((char *)ptr)[-1]);
|
||||
#elif HAVE_ALIGNED_MALLOC
|
||||
_aligned_free(ptr);
|
||||
#else
|
||||
@ -189,7 +191,7 @@ void av_free(void *ptr)
|
||||
|
||||
void av_freep(void *arg)
|
||||
{
|
||||
void **ptr= (void**)arg;
|
||||
void **ptr = (void **)arg;
|
||||
av_free(*ptr);
|
||||
*ptr = NULL;
|
||||
}
|
||||
@ -211,8 +213,8 @@ void *av_calloc(size_t nmemb, size_t size)
|
||||
|
||||
char *av_strdup(const char *s)
|
||||
{
|
||||
char *ptr= NULL;
|
||||
if(s){
|
||||
char *ptr = NULL;
|
||||
if (s) {
|
||||
int len = strlen(s) + 1;
|
||||
ptr = av_malloc(len);
|
||||
if (ptr)
|
||||
|
@ -90,7 +90,7 @@ void *av_malloc(size_t size) av_malloc_attrib av_alloc_size(1);
|
||||
* be allocated.
|
||||
* @see av_malloc()
|
||||
*/
|
||||
av_alloc_size(1,2) static inline void *av_malloc_array(size_t nmemb, size_t size)
|
||||
av_alloc_size(1, 2) static inline void *av_malloc_array(size_t nmemb, size_t size)
|
||||
{
|
||||
if (size <= 0 || nmemb >= INT_MAX / size)
|
||||
return NULL;
|
||||
@ -163,7 +163,7 @@ void *av_calloc(size_t nmemb, size_t size) av_malloc_attrib;
|
||||
* @see av_mallocz()
|
||||
* @see av_malloc_array()
|
||||
*/
|
||||
av_alloc_size(1,2) static inline void *av_mallocz_array(size_t nmemb, size_t size)
|
||||
av_alloc_size(1, 2) static inline void *av_mallocz_array(size_t nmemb, size_t size)
|
||||
{
|
||||
if (size <= 0 || nmemb >= INT_MAX / size)
|
||||
return NULL;
|
||||
|
Loading…
Reference in New Issue
Block a user