[FFmpeg-cvslog] avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd

2015-12-20 Thread Michael Niedermayer 
ffmpeg | branch: release/2.6 | Michael Niedermayer  | 
Tue Dec  1 12:44:23 2015 +0100| [100dbe1bf007024224c7ae2bb5d1aa956d979722] | 
committer: Michael Niedermayer

avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd

The code expects actual positive numbers and gives completely wrong
results if INT64_MIN is treated as positive
Instead clip it into the valid range that is add 1 and treat it as
negative

Signed-off-by: Michael Niedermayer 
(cherry picked from commit 25e37f5ea92d4201976a59ae306ce848d257a7e6)

Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=100dbe1bf007024224c7ae2bb5d1aa956d979722
---

 libavutil/mathematics.c |4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavutil/mathematics.c b/libavutil/mathematics.c
index 126cffc..b1ffd65 100644
--- a/libavutil/mathematics.c
+++ b/libavutil/mathematics.c
@@ -76,8 +76,8 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum 
AVRounding rnd)
 rnd -= AV_ROUND_PASS_MINMAX;
 }
 
-if (a < 0 && a != INT64_MIN)
-return -av_rescale_rnd(-a, b, c, rnd ^ ((rnd >> 1) & 1));
+if (a < 0)
+return -av_rescale_rnd(-FFMAX(a, -INT64_MAX), b, c, rnd ^ ((rnd >> 1) 
& 1));
 
 if (rnd == AV_ROUND_NEAR_INF)
 r = c / 2;

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[FFmpeg-cvslog] avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd

2015-12-14 Thread Michael Niedermayer 
ffmpeg | branch: release/2.7 | Michael Niedermayer  | 
Tue Dec  1 12:44:23 2015 +0100| [88ccca204ab67d8eda5745a94eed69882af6a3dc] | 
committer: Michael Niedermayer

avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd

The code expects actual positive numbers and gives completely wrong
results if INT64_MIN is treated as positive
Instead clip it into the valid range that is add 1 and treat it as
negative

Signed-off-by: Michael Niedermayer 
(cherry picked from commit 25e37f5ea92d4201976a59ae306ce848d257a7e6)

Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=88ccca204ab67d8eda5745a94eed69882af6a3dc
---

 libavutil/mathematics.c |4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavutil/mathematics.c b/libavutil/mathematics.c
index 126cffc..b1ffd65 100644
--- a/libavutil/mathematics.c
+++ b/libavutil/mathematics.c
@@ -76,8 +76,8 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum 
AVRounding rnd)
 rnd -= AV_ROUND_PASS_MINMAX;
 }
 
-if (a < 0 && a != INT64_MIN)
-return -av_rescale_rnd(-a, b, c, rnd ^ ((rnd >> 1) & 1));
+if (a < 0)
+return -av_rescale_rnd(-FFMAX(a, -INT64_MAX), b, c, rnd ^ ((rnd >> 1) 
& 1));
 
 if (rnd == AV_ROUND_NEAR_INF)
 r = c / 2;

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[FFmpeg-cvslog] avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd

2015-12-06 Thread Michael Niedermayer 
ffmpeg | branch: release/2.4 | Michael Niedermayer  | 
Tue Dec  1 12:44:23 2015 +0100| [53ddc450c80f082c41732e2fd87346e19ae7f48d] | 
committer: Michael Niedermayer

avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd

The code expects actual positive numbers and gives completely wrong
results if INT64_MIN is treated as positive
Instead clip it into the valid range that is add 1 and treat it as
negative

Signed-off-by: Michael Niedermayer 
(cherry picked from commit 25e37f5ea92d4201976a59ae306ce848d257a7e6)

Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=53ddc450c80f082c41732e2fd87346e19ae7f48d
---

 libavutil/mathematics.c |4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavutil/mathematics.c b/libavutil/mathematics.c
index 126cffc..b1ffd65 100644
--- a/libavutil/mathematics.c
+++ b/libavutil/mathematics.c
@@ -76,8 +76,8 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum 
AVRounding rnd)
 rnd -= AV_ROUND_PASS_MINMAX;
 }
 
-if (a < 0 && a != INT64_MIN)
-return -av_rescale_rnd(-a, b, c, rnd ^ ((rnd >> 1) & 1));
+if (a < 0)
+return -av_rescale_rnd(-FFMAX(a, -INT64_MAX), b, c, rnd ^ ((rnd >> 1) 
& 1));
 
 if (rnd == AV_ROUND_NEAR_INF)
 r = c / 2;

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[FFmpeg-cvslog] avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd

2015-12-05 Thread Michael Niedermayer 
ffmpeg | branch: release/2.5 | Michael Niedermayer  | 
Tue Dec  1 12:44:23 2015 +0100| [582a6035bc8d36565821c020187fa6b86f40ef94] | 
committer: Michael Niedermayer

avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd

The code expects actual positive numbers and gives completely wrong
results if INT64_MIN is treated as positive
Instead clip it into the valid range that is add 1 and treat it as
negative

Signed-off-by: Michael Niedermayer 
(cherry picked from commit 25e37f5ea92d4201976a59ae306ce848d257a7e6)

Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=582a6035bc8d36565821c020187fa6b86f40ef94
---

 libavutil/mathematics.c |4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavutil/mathematics.c b/libavutil/mathematics.c
index 126cffc..b1ffd65 100644
--- a/libavutil/mathematics.c
+++ b/libavutil/mathematics.c
@@ -76,8 +76,8 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum 
AVRounding rnd)
 rnd -= AV_ROUND_PASS_MINMAX;
 }
 
-if (a < 0 && a != INT64_MIN)
-return -av_rescale_rnd(-a, b, c, rnd ^ ((rnd >> 1) & 1));
+if (a < 0)
+return -av_rescale_rnd(-FFMAX(a, -INT64_MAX), b, c, rnd ^ ((rnd >> 1) 
& 1));
 
 if (rnd == AV_ROUND_NEAR_INF)
 r = c / 2;

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[FFmpeg-cvslog] avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd

2015-12-05 Thread Michael Niedermayer 
ffmpeg | branch: release/2.8 | Michael Niedermayer  | 
Tue Dec  1 12:44:23 2015 +0100| [460710500e172042144784a3152aa8d1c5c29cf6] | 
committer: Michael Niedermayer

avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd

The code expects actual positive numbers and gives completely wrong
results if INT64_MIN is treated as positive
Instead clip it into the valid range that is add 1 and treat it as
negative

Signed-off-by: Michael Niedermayer 
(cherry picked from commit 25e37f5ea92d4201976a59ae306ce848d257a7e6)

Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=460710500e172042144784a3152aa8d1c5c29cf6
---

 libavutil/mathematics.c |4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavutil/mathematics.c b/libavutil/mathematics.c
index 126cffc..b1ffd65 100644
--- a/libavutil/mathematics.c
+++ b/libavutil/mathematics.c
@@ -76,8 +76,8 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum 
AVRounding rnd)
 rnd -= AV_ROUND_PASS_MINMAX;
 }
 
-if (a < 0 && a != INT64_MIN)
-return -av_rescale_rnd(-a, b, c, rnd ^ ((rnd >> 1) & 1));
+if (a < 0)
+return -av_rescale_rnd(-FFMAX(a, -INT64_MAX), b, c, rnd ^ ((rnd >> 1) 
& 1));
 
 if (rnd == AV_ROUND_NEAR_INF)
 r = c / 2;

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