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Merge commit 'e4fe535d12f4f30df2dd672e30304af112a5a827'

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* commit 'e4fe535d12f4f30df2dd672e30304af112a5a827':
  mov: Write the display matrix in order

Conflicts:
	libavformat/mov.c
	libavutil/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-03-24 01:14:31 +01:00
commit dfea1acb21
4 changed files with 9 additions and 9 deletions
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2
libavformat/mov.c
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@ -2949,7 +2949,7 @@ static int mov_read_tkhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
for (i = 0; i < 3; i++)
for (j = 0; j < 3; j++)
sc->display_matrix[i * 3 + j] = display_matrix[j][i];
sc->display_matrix[i * 3 + j] = display_matrix[i][j];
rotate = av_display_rotation_get(sc->display_matrix);
if (!isnan(rotate)) {

4
libavutil/display.c
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@ -44,12 +44,12 @@ double av_display_rotation_get(const int32_t matrix[9])
rotation = atan2(CONV_FP(matrix[1]) / scale[1],
CONV_FP(matrix[0]) / scale[0]) * 180 / M_PI;
return rotation;
return -rotation;
}
void av_display_rotation_set(int32_t matrix[9], double angle)
{
double radians = angle * M_PI / 180.0f;
double radians = -angle * M_PI / 180.0f;
double c = cos(radians);
double s = sin(radians);

10
libavutil/display.h
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@ -55,9 +55,9 @@
* Extract the rotation component of the transformation matrix.
*
* @param matrix the transformation matrix
* @return the angle (in degrees) by which the transformation rotates the frame.
* The angle will be in range [-180.0, 180.0], or NaN if the matrix is
* singular.
* @return the angle (in degrees) by which the transformation rotates the frame
* counterclockwise. The angle will be in range [-180.0, 180.0],
* or NaN if the matrix is singular.
*
* @note floating point numbers are inherently inexact, so callers are
* recommended to round the return value to nearest integer before use.
@ -65,8 +65,8 @@
double av_display_rotation_get(const int32_t matrix[9]);
/**
* Initialize a transformation matrix describing a pure rotation by the
* specified angle (in degrees).
* Initialize a transformation matrix describing a pure counterclockwise
* rotation by the specified angle (in degrees).
*
* @param matrix an allocated transformation matrix (will be fully overwritten
* by this function)

2
libavutil/version.h
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@ -57,7 +57,7 @@
#define LIBAVUTIL_VERSION_MAJOR 54
#define LIBAVUTIL_VERSION_MINOR 20
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_MICRO 101
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \