Lines Matching refs:_context

155     AVFContext* _context;  field
171         _context = context;
175         if (_context->observed_device) {
179             [_context->observed_device addObserver: self
182                                            context: _context];
192     if (_context->observed_device) {
194         [_context->observed_device removeObserver: self forKeyPath: keyPath];
204     if (context == _context) {
209         if (mode != _context->observed_mode) {
211                 _context->observed_quit = 1;
213             _context->observed_mode = mode;
228     lock_frames(_context);
230     if (_context->current_frame != nil) {
231         CFRelease(_context->current_frame);
234     _context->current_frame = (CMSampleBufferRef)CFRetain(videoFrame);
236     unlock_frames(_context);
238     ++_context->frames_captured;
247     AVFContext* _context;  field
263         _context = context;
272     lock_frames(_context);
274     if (_context->current_audio_frame != nil) {
275         CFRelease(_context->current_audio_frame);
278     _context->current_audio_frame = (CMSampleBufferRef)CFRetain(audioFrame);
280     unlock_frames(_context);
282     ++_context->audio_frames_captured;