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lavfi/transform.h: apply misc doxy cosmetical changes

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This commit is contained in:
Stefano Sabatini 2011-10-20 15:49:54 +02:00
parent 8daf04add4
commit 99d48b07d1
1 changed files with 24 additions and 29 deletions
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53
libavfilter/transform.h
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@ -60,44 +60,40 @@ enum FillMethod {
*
* [ zoom * cos(angle), -sin(angle), x_shift,
* sin(angle), zoom * cos(angle), y_shift,
0, 0, 1 ]
* 0, 0, 1 ]
*
* Paramters:
* x_shift: Horizontal translation
* y_shift: Vertical translation
* angle: Rotation in radians
* zoom: Scale percent (1.0 = 100%)
* matrix: 9-item affine transformation matrix
* @param x_shift horizontal translation
* @param y_shift vertical translation
* @param angle rotation in radians
* @param zoom scale percent (1.0 = 100%)
* @param matrix 9-item affine transformation matrix
*/
void avfilter_get_matrix(float x_shift, float y_shift, float angle, float zoom, float *matrix);
/**
* Add two matrices together. result = m1 + m2.
*
* Parameters:
* m1: 9-item transformation matrix
* m2: 9-item transformation matrix
* result: 9-item transformation matrix
* @param m1 9-item transformation matrix
* @param m2 9-item transformation matrix
* @param result 9-item transformation matrix
*/
void avfilter_add_matrix(const float *m1, const float *m2, float *result);
/**
* Subtract one matrix from another. result = m1 - m2.
*
* Parameters:
* m1: 9-item transformation matrix
* m2: 9-item transformation matrix
* result: 9-item transformation matrix
* @param m1 9-item transformation matrix
* @param m2 9-item transformation matrix
* @param result 9-item transformation matrix
*/
void avfilter_sub_matrix(const float *m1, const float *m2, float *result);
/**
* Multiply a matrix by a scalar value. result = m1 * scalar.
*
* Parameters:
* m1: 9-item transformation matrix
* scalar: A number
* result: 9-item transformation matrix
* @param m1 9-item transformation matrix
* @param scalar a number
* @param result 9-item transformation matrix
*/
void avfilter_mul_matrix(const float *m1, float scalar, float *result);
@ -106,16 +102,15 @@ void avfilter_mul_matrix(const float *m1, float scalar, float *result);
* multiplies each vector [x,y,1] by the matrix and then interpolates to
* get the final value.
*
* Parameters:
* src: Source image
* dst: Destination image
* src_stride: Source image line size in bytes
* dst_stride: Destination image line size in bytes
* width: Image width in pixels
* height: Image height in pixels
* matrix: 9-item affine transformation matrix
* interpolate: Pixel interpolation method
* fill: Edge fill method
* @param src source image
* @param dst destination image
* @param src_stride source image line size in bytes
* @param dst_stride destination image line size in bytes
* @param width image width in pixels
* @param height image height in pixels
* @param matrix 9-item affine transformation matrix
* @param interpolate pixel interpolation method
* @param fill edge fill method
*/
void avfilter_transform(const uint8_t *src, uint8_t *dst,
int src_stride, int dst_stride,