51     int (*start)(effect_context_t *context, output_context_t *output);
52     int (*stop)(effect_context_t *context, output_context_t *output);
216 output_context_t *get_output(audio_io_handle_t output) {  in get_output()  argument
223         if (out_ctxt->handle == output) {  in get_output()
230 void add_effect_to_output(output_context_t * output, effect_context_t *context) {  in add_effect_to_output()  argument
233     list_for_each(fx_node, &output->effects_list) {  in add_effect_to_output()
240     list_add_tail(&output->effects_list, &context->output_node);  in add_effect_to_output()
242         context->ops.start(context, output);  in add_effect_to_output()
245 void remove_effect_from_output(output_context_t * output, effect_context_t *context) {  in remove_effect_from_output()  argument
248     list_for_each(fx_node, &output->effects_list) {  in remove_effect_from_output()
254                 context->ops.stop(context, output);  in remove_effect_from_output()
369 int visualizer_hal_start_output(audio_io_handle_t output, int pcm_id) {  in visualizer_hal_start_output()  argument
373     ALOGV("%s output %d pcm_id %d", __func__, output, pcm_id);  in visualizer_hal_start_output()
380     if (get_output(output) != NULL) {  in visualizer_hal_start_output()
387     out_ctxt->handle = output;  in visualizer_hal_start_output()
394         if (fx_ctxt->out_handle == output) {  in visualizer_hal_start_output()
415 int visualizer_hal_stop_output(audio_io_handle_t output, int pcm_id) {  in visualizer_hal_stop_output()  argument
421     ALOGV("%s output %d pcm_id %d", __func__, output, pcm_id);  in visualizer_hal_stop_output()
429     out_ctxt = get_output(output);  in visualizer_hal_stop_output()