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issue #42, loop forever in pixelate

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This commit is contained in:
c0ntrol
2016-03-25 10:07:56 +01:00
parent 217f406c63
commit 29f5d4a29c
1 changed files with 31 additions and 27 deletions
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58
veejay-current/veejay-server/libvje/effects/pixelate.c
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@@ -27,34 +27,35 @@ static uint8_t values[2048];
vj_effect *pixelate_init(int width, int height) vj_effect *pixelate_init(int width, int height)
{ {
vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect)); vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));
veejay_memset( values, 0, sizeof(values) ); veejay_memset( values, 0, sizeof(values) );
int i; int i;
int nvalues=0; int nvalues=0;
for(i=0; i < width; i++) for(i=0; i < width; i++)
{ {
values[nvalues] = 1 + i; values[nvalues] = 1 + i;
nvalues++; nvalues++;
} }
ve->num_params = 1; ve->num_params = 1;
ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params); /* default values */ ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params); /* default values */
ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* min */ ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* min */
ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* max */ ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* max */
ve->limits[0][0] = 1; ve->limits[0][0] = 1;
ve->limits[1][0] = nvalues-2; ve->limits[1][0] = nvalues-2;
ve->defaults[0] = 8; ve->defaults[0] = 8;
ve->description = "Pixelate"; ve->description = "Pixelate";
ve->sub_format = -1; ve->sub_format = -1;
ve->extra_frame = 0; ve->extra_frame = 0;
ve->has_user =0; ve->has_user =0;
ve->parallel = 1; ve->parallel = 1;
ve->param_description = vje_build_param_list( ve->num_params, "Pixels"); ve->param_description = vje_build_param_list( ve->num_params, "Pixels");
return ve;
return ve;
} }
void pixelate_apply( VJFrame *frame, int w, int h , int vv ) void pixelate_apply( VJFrame *frame, int w, int h , int vv )
@@ -63,24 +64,27 @@ void pixelate_apply( VJFrame *frame, int w, int h , int vv )
unsigned int len = frame->len; unsigned int len = frame->len;
const unsigned int v = values[vv]; const unsigned int v = values[vv];
const unsigned int uv_len = (frame->ssm ? frame->len : frame->uv_len); const unsigned int uv_len = (frame->ssm ? frame->len : frame->uv_len);
const unsigned int u_v = v >> (frame->ssm ? frame->shift_h: 1 ); unsigned int u_v = v >> (frame->ssm ? frame->shift_h: 1 );
uint8_t *Y = frame->data[0]; if( u_v == 0 )
u_v = 1;
uint8_t *Y = frame->data[0];
uint8_t *Cb= frame->data[1]; uint8_t *Cb= frame->data[1];
uint8_t *Cr= frame->data[2]; uint8_t *Cr= frame->data[2];
for (i = 0; i < len; i+=v) { for (i = 0; i < len; i+=v) {
for(j=0; j < v; j++) for(j=0; j < v; j++)
{ {
Y[i+j] = Y[i]; Y[i+j] = Y[i];
} }
} }
for (i = 0; i < uv_len; i+=u_v) { for (i = 0; i < uv_len; i+=u_v) {
for(j=0; j < u_v; j++) for(j=0; j < u_v; j++)
{ {
Cb[i+j] = Cb[i]; Cb[i+j] = Cb[i];
Cr[i+j] = Cr[i]; Cr[i+j] = Cr[i];
} }
} }
} }