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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, * [ zoom * cos(angle), -sin(angle), x_shift,
* sin(angle), zoom * cos(angle), y_shift, * sin(angle), zoom * cos(angle), y_shift,
0, 0, 1 ] * 0, 0, 1 ]
* *
* Paramters: * @param x_shift horizontal translation
* x_shift: Horizontal translation * @param y_shift vertical translation
* y_shift: Vertical translation * @param angle rotation in radians
* angle: Rotation in radians * @param zoom scale percent (1.0 = 100%)
* zoom: Scale percent (1.0 = 100%) * @param matrix 9-item affine transformation matrix
* matrix: 9-item affine transformation matrix
*/ */
void avfilter_get_matrix(float x_shift, float y_shift, float angle, float zoom, float *matrix); void avfilter_get_matrix(float x_shift, float y_shift, float angle, float zoom, float *matrix);
/** /**
* Add two matrices together. result = m1 + m2. * Add two matrices together. result = m1 + m2.
* *
* Parameters: * @param m1 9-item transformation matrix
* m1: 9-item transformation matrix * @param m2 9-item transformation matrix
* m2: 9-item transformation matrix * @param result 9-item transformation matrix
* result: 9-item transformation matrix
*/ */
void avfilter_add_matrix(const float *m1, const float *m2, float *result); void avfilter_add_matrix(const float *m1, const float *m2, float *result);
/** /**
* Subtract one matrix from another. result = m1 - m2. * Subtract one matrix from another. result = m1 - m2.
* *
* Parameters: * @param m1 9-item transformation matrix
* m1: 9-item transformation matrix * @param m2 9-item transformation matrix
* m2: 9-item transformation matrix * @param result 9-item transformation matrix
* result: 9-item transformation matrix
*/ */
void avfilter_sub_matrix(const float *m1, const float *m2, float *result); void avfilter_sub_matrix(const float *m1, const float *m2, float *result);
/** /**
* Multiply a matrix by a scalar value. result = m1 * scalar. * Multiply a matrix by a scalar value. result = m1 * scalar.
* *
* Parameters: * @param m1 9-item transformation matrix
* m1: 9-item transformation matrix * @param scalar a number
* scalar: A number * @param result 9-item transformation matrix
* result: 9-item transformation matrix
*/ */
void avfilter_mul_matrix(const float *m1, float scalar, float *result); 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 * multiplies each vector [x,y,1] by the matrix and then interpolates to
* get the final value. * get the final value.
* *
* Parameters: * @param src source image
* src: Source image * @param dst destination image
* dst: Destination image * @param src_stride source image line size in bytes
* src_stride: Source image line size in bytes * @param dst_stride destination image line size in bytes
* dst_stride: Destination image line size in bytes * @param width image width in pixels
* width: Image width in pixels * @param height image height in pixels
* height: Image height in pixels * @param matrix 9-item affine transformation matrix
* matrix: 9-item affine transformation matrix * @param interpolate pixel interpolation method
* interpolate: Pixel interpolation method * @param fill edge fill method
* fill: Edge fill method
*/ */
void avfilter_transform(const uint8_t *src, uint8_t *dst, void avfilter_transform(const uint8_t *src, uint8_t *dst,
int src_stride, int dst_stride, int src_stride, int dst_stride,