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submodule
ffmpeg
Commits
0b42a938
Commit
0b42a938
authored
Feb 13, 2012
by
Justin Ruggles
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avutil: add av_rescale_q_rnd() to allow different rounding
parent
0996f406
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4 changed files
with
19 additions
and
3 deletions
+19
-3
APIchanges
doc/APIchanges
+3
-0
avutil.h
libavutil/avutil.h
+1
-1
mathematics.c
libavutil/mathematics.c
+9
-2
mathematics.h
libavutil/mathematics.h
+6
-0
No files found.
doc/APIchanges
View file @
0b42a938
...
...
@@ -13,6 +13,9 @@ libavutil: 2011-04-18
API changes, most recent first:
2012-02-xx - xxxxxxx - lavu 51.23.1 - mathematics.h
Add av_rescale_q_rnd()
2012-02-xx - xxxxxxx - lavu 51.22.1 - pixdesc.h
Add PIX_FMT_PSEUDOPAL flag.
...
...
libavutil/avutil.h
View file @
0b42a938
...
...
@@ -154,7 +154,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 51
#define LIBAVUTIL_VERSION_MINOR 2
2
#define LIBAVUTIL_VERSION_MINOR 2
3
#define LIBAVUTIL_VERSION_MICRO 1
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
...
...
libavutil/mathematics.c
View file @
0b42a938
...
...
@@ -130,10 +130,17 @@ int64_t av_rescale(int64_t a, int64_t b, int64_t c){
return
av_rescale_rnd
(
a
,
b
,
c
,
AV_ROUND_NEAR_INF
);
}
int64_t
av_rescale_q
(
int64_t
a
,
AVRational
bq
,
AVRational
cq
){
int64_t
av_rescale_q_rnd
(
int64_t
a
,
AVRational
bq
,
AVRational
cq
,
enum
AVRounding
rnd
)
{
int64_t
b
=
bq
.
num
*
(
int64_t
)
cq
.
den
;
int64_t
c
=
cq
.
num
*
(
int64_t
)
bq
.
den
;
return
av_rescale_rnd
(
a
,
b
,
c
,
AV_ROUND_NEAR_INF
);
return
av_rescale_rnd
(
a
,
b
,
c
,
rnd
);
}
int64_t
av_rescale_q
(
int64_t
a
,
AVRational
bq
,
AVRational
cq
)
{
return
av_rescale_q_rnd
(
a
,
bq
,
cq
,
AV_ROUND_NEAR_INF
);
}
int
av_compare_ts
(
int64_t
ts_a
,
AVRational
tb_a
,
int64_t
ts_b
,
AVRational
tb_b
){
...
...
libavutil/mathematics.h
View file @
0b42a938
...
...
@@ -95,6 +95,12 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding) av_cons
*/
int64_t
av_rescale_q
(
int64_t
a
,
AVRational
bq
,
AVRational
cq
)
av_const
;
/**
* Rescale a 64-bit integer by 2 rational numbers with specified rounding.
*/
int64_t
av_rescale_q_rnd
(
int64_t
a
,
AVRational
bq
,
AVRational
cq
,
enum
AVRounding
)
av_const
;
/**
* Compare 2 timestamps each in its own timebases.
* The result of the function is undefined if one of the timestamps
...
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