mirror of
https://github.com/game-stop/veejay.git
synced 2025-12-05 15:30:02 +01:00
minor optimizations, fix indenting
This commit is contained in:
veejay
@@ -25,133 +25,138 @@
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vj_effect *mirrordistortion_init(int w, int h)
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{
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vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));
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ve->num_params = 3;
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ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params); /* default values */
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ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* min */
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ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* max */
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ve->defaults[0] = 10;
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ve->defaults[1] = w;
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ve->defaults[2] = h;
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ve->description = "Mirror Distortion";
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ve->limits[0][0] = 0;
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ve->limits[1][0] = 100;
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ve->limits[0][1] = 0;
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ve->limits[1][1] = w * 2;
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vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));
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ve->num_params = 3;
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ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params); /* default values */
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ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* min */
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ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* max */
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ve->defaults[0] = 10;
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ve->defaults[1] = w;
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ve->defaults[2] = h;
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ve->description = "Mirror Distortion";
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ve->limits[0][0] = 0;
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ve->limits[1][0] = 100;
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ve->limits[0][1] = 0;
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ve->limits[1][1] = w * 2;
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ve->limits[0][2] = 0;
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ve->limits[1][2] = h * 2;
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ve->extra_frame = 0;
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ve->sub_format = 1;
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ve->has_user = 0;
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ve->parallel = 0;
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ve->param_description = vje_build_param_list( ve->num_params, "Distortion", "Offset X", "Offset Y" );
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ve->limits[1][2] = h * 2;
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ve->extra_frame = 0;
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ve->sub_format = 1;
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ve->has_user = 0;
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ve->parallel = 0;
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ve->param_description = vje_build_param_list( ve->num_params, "Distortion", "Offset X", "Offset Y" );
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ve->hints = vje_init_value_hint_list( ve->num_params );
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ve->hints = vje_init_value_hint_list( ve->num_params );
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return ve;
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return ve;
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}
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#define TABLE_SIZE 360
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#define TABLE_RESOLUTION 10000
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typedef struct {
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float *sin_lut;
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float *cos_lut;
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float distortion;
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uint8_t *buf[3];
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int strides[4];
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float *sin_lut;
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float *cos_lut;
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float distortion;
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uint8_t *buf[3];
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int strides[4];
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} mirror_distortion_t;
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void *mirrordistortion_malloc(int w, int h)
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{
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mirror_distortion_t *m = (mirror_distortion_t*) vj_malloc(sizeof(mirror_distortion_t));
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if(!m) {
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return NULL;
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}
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m->distortion = -1.0f;
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m->cos_lut = (float*) vj_malloc( sizeof(float) * w );
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if(!m->cos_lut) {
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free(m);
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return NULL;
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}
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m->sin_lut = (float*) vj_malloc( sizeof(float) * h );
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if(!m->sin_lut) {
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free(m->cos_lut);
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free(m);
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return NULL;
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}
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m->buf[0] = (uint8_t*) vj_malloc(sizeof(uint8_t) * w * h * 3 );
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if(!m->buf[0]) {
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free(m->cos_lut);
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free(m->sin_lut);
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free(m);
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return NULL;
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}
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m->buf[1] = m->buf[0] + (w*h);
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m->buf[2] = m->buf[1] + (w*h);
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mirror_distortion_t *m = (mirror_distortion_t*) vj_malloc(sizeof(mirror_distortion_t));
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if(!m) {
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return NULL;
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}
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m->distortion = -1.0f;
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m->cos_lut = (float*) vj_malloc( sizeof(float) * w );
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if(!m->cos_lut) {
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free(m);
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return NULL;
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}
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m->sin_lut = (float*) vj_malloc( sizeof(float) * h );
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if(!m->sin_lut) {
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free(m->cos_lut);
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free(m);
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return NULL;
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}
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m->buf[0] = (uint8_t*) vj_malloc(sizeof(uint8_t) * w * h * 3 );
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if(!m->buf[0]) {
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free(m->cos_lut);
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free(m->sin_lut);
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free(m);
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return NULL;
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}
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m->buf[1] = m->buf[0] + (w*h);
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m->buf[2] = m->buf[1] + (w*h);
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m->strides[0] = (w*h);
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m->strides[1] = m->strides[0];
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m->strides[2] = m->strides[1];
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m->strides[3] = 0;
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m->strides[0] = (w*h);
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m->strides[1] = m->strides[0];
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m->strides[2] = m->strides[1];
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m->strides[3] = 0;
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return (void*) m;
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return (void*) m;
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}
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void mirrordistortion_free(void *ptr) {
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mirror_distortion_t *m = (mirror_distortion_t*) ptr;
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if(m) {
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if(m->sin_lut)
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free(m->sin_lut);
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if(m->cos_lut)
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free(m->cos_lut);
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free(m);
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}
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mirror_distortion_t *m = (mirror_distortion_t*) ptr;
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if(m) {
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if(m->sin_lut)
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free(m->sin_lut);
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if(m->cos_lut)
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free(m->cos_lut);
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free(m);
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}
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}
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void mirrordistortion_apply(void *ptr, VJFrame *frame, int *args ) {
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mirror_distortion_t *m = (mirror_distortion_t*) ptr;
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mirror_distortion_t *m = (mirror_distortion_t*) ptr;
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float distortionFactor = args[0] * 0.01f;
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int offsetX = args[1] - frame->width;
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int offsetY = args[2] - frame->height;
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const int w = frame->width;
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const int h = frame->height;
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const int w = frame->width;
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const int h = frame->height;
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int i;
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int i;
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uint8_t *srcY = m->buf[0];
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uint8_t *srcU = m->buf[1];
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uint8_t *srcV = m->buf[2];
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uint8_t *srcY = m->buf[0];
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uint8_t *srcU = m->buf[1];
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uint8_t *srcV = m->buf[2];
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if( distortionFactor != m->distortion ) {
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for( i = 0; i < w; i ++ ) {
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m->cos_lut[i] = a_cos( i * distortionFactor );
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}
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for( i = 0; i < h; i ++ ) {
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m->sin_lut[i] = a_sin( i * distortionFactor );
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}
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m->distortion = distortionFactor;
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}
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uint8_t *outY = frame->data[0];
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uint8_t *outU = frame->data[1];
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uint8_t *outV = frame->data[2];
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veejay_memcpy( m->buf[0], frame->data[0], frame->len );
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veejay_memcpy( m->buf[1], frame->data[1], frame->len );
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veejay_memcpy( m->buf[2], frame->data[2], frame->len );
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if( distortionFactor != m->distortion ) {
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for( i = 0; i < w; i ++ ) {
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m->cos_lut[i] = a_cos( i * distortionFactor );
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}
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for( i = 0; i < h; i ++ ) {
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m->sin_lut[i] = a_sin( i * distortionFactor );
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}
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m->distortion = distortionFactor;
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}
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veejay_memcpy( m->buf[0], frame->data[0], frame->len );
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veejay_memcpy( m->buf[1], frame->data[1], frame->len );
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veejay_memcpy( m->buf[2], frame->data[2], frame->len );
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for (int i = 0; i < frame->height; ++i) {
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for (int j = 0; j < frame->width; ++j) {
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int sourceX = j + offsetX * m->sin_lut[i];
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int sourceX = j + offsetX * m->sin_lut[i];
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int sourceY = i + offsetY * m->cos_lut[j];
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sourceX = fmin(fmax(sourceX, 0), frame->width - 1);
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sourceY = fmin(fmax(sourceY, 0), frame->height - 1);
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sourceX = (sourceX < 0) ? 0 : ((sourceX >= frame->width) ? frame->width - 1 : sourceX);
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sourceY = (sourceY < 0) ? 0 : ((sourceY >= frame->height) ? frame->height - 1 : sourceY);
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frame->data[0][i * frame->width + j] = frame->data[0][sourceY * frame->width + sourceX];
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frame->data[1][i * frame->width + j] = frame->data[1][sourceY * frame->width + sourceX];
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frame->data[2][i * frame->width + j] = frame->data[2][sourceY * frame->width + sourceX];
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outY[i * frame->width + j] = srcY[sourceY * frame->width + sourceX];
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outU[i * frame->width + j] = srcU[sourceY * frame->width + sourceX];
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outV[i * frame->width + j] = srcV[sourceY * frame->width + sourceX];
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}
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}
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}
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