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update ffmpeg to 3.4.8.

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This commit is contained in:
Roy Tam 2020-07-20 09:46:52 +08:00
commit 7fec328c85
31 changed files with 320 additions and 235 deletions
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5
media/ffvpx/libavutil/avstring.c
View file

@ -222,12 +222,13 @@ int av_strcasecmp(const char *a, const char *b)
int av_strncasecmp(const char *a, const char *b, size_t n)
{
const char *end = a + n;
uint8_t c1, c2;
if (n <= 0)
return 0;
do {
c1 = av_tolower(*a++);
c2 = av_tolower(*b++);
} while (a < end && c1 && c1 == c2);
} while (--n && c1 && c1 == c2);
return c1 - c2;
}

2
media/ffvpx/libavutil/common.h
View file

@ -307,7 +307,7 @@ static av_always_inline av_const double av_clipd_c(double a, double amin, double
*/
static av_always_inline av_const int av_ceil_log2_c(int x)
{
return av_log2((x - 1) << 1);
return av_log2((x - 1U) << 1);
}
/**

15
media/ffvpx/libavutil/lfg.h
View file

@ -24,6 +24,12 @@
#include <stdint.h>
/**
* Context structure for the Lagged Fibonacci PRNG.
* The exact layout, types and content of this struct may change and should
* not be accessed directly. Only its sizeof() is guranteed to stay the same
* to allow easy instanciation.
*/
typedef struct AVLFG {
unsigned int state[64];
int index;
@ -45,8 +51,9 @@ int av_lfg_init_from_data(AVLFG *c, const uint8_t *data, unsigned int length);
* it may be good enough and faster for your specific use case.
*/
static inline unsigned int av_lfg_get(AVLFG *c){
c->state[c->index & 63] = c->state[(c->index-24) & 63] + c->state[(c->index-55) & 63];
return c->state[c->index++ & 63];
unsigned a = c->state[c->index & 63] = c->state[(c->index-24) & 63] + c->state[(c->index-55) & 63];
c->index += 1U;
return a;
}
/**
@ -57,7 +64,9 @@ static inline unsigned int av_lfg_get(AVLFG *c){
static inline unsigned int av_mlfg_get(AVLFG *c){
unsigned int a= c->state[(c->index-55) & 63];
unsigned int b= c->state[(c->index-24) & 63];
return c->state[c->index++ & 63] = 2*a*b+a+b;
a = c->state[c->index & 63] = 2*a*b+a+b;
c->index += 1U;
return a;
}
/**

2
media/ffvpx/libavutil/mem.h
View file

@ -338,7 +338,7 @@ av_alloc_size(2, 3) void *av_realloc_array(void *ptr, size_t nmemb, size_t size)
* @warning Unlike av_malloc(), the allocated memory is not guaranteed to be
* correctly aligned.
*/
av_alloc_size(2, 3) int av_reallocp_array(void *ptr, size_t nmemb, size_t size);
int av_reallocp_array(void *ptr, size_t nmemb, size_t size);
/**
* Reallocate the given buffer if it is not large enough, otherwise do nothing.

2
media/ffvpx/libavutil/softfloat_ieee754.h
View file

@ -64,7 +64,7 @@ static inline SoftFloat_IEEE754 av_int2sf_ieee754(int64_t n, int e) {
* by the IEEE 754 spec.
*/
static inline SoftFloat_IEEE754 av_bits2sf_ieee754(uint32_t n) {
return ((SoftFloat_IEEE754) { (n & 0x80000000UL), (n & 0x7FFFFFUL), (n & 0x7F800000UL) });
return ((SoftFloat_IEEE754) { (n & 0x80000000UL) >> 31, (n & 0x7FFFFFUL), (int8_t)((n & 0x7F800000UL) >> 23)});
}
/** Convert the softfloat to integer