Lines Matching refs:nil
95 * Pointer to initialized instance on success, or nil on failure.
138 if (capture_device == nil) {
141 return nil;
146 capture_device = nil;
148 return nil;
156 return nil;
161 if (capture_session == nil) {
165 return nil;
175 input_device = nil;
178 return nil;
188 output_device = nil;
191 return nil;
201 if (capture_session != nil) {
207 if (input_device != nil) {
210 input_device = nil;
212 if (output_device != nil) {
215 output_device = nil;
219 capture_session = nil;
223 if (capture_device != nil) {
229 capture_device = nil;
233 if (current_frame != nil) {
235 current_frame = nil;
249 nil]];
271 if (current_frame != nil) {
283 if (pixels != nil) {
366 cd->device = nil;
402 if (mcd->device == nil) {
423 if (mcd->device == nil) {
442 if (mcd->device == nil) {
470 if (mcd->device == nil) {
517 if (video_dev == nil) {
524 if (pix_formats == nil || [pix_formats count] == 0) {
