58     int (*init)(effect_context_t *context);
59     int (*release)(effect_context_t *context);
60     int (*reset)(effect_context_t *context);
61     int (*enable)(effect_context_t *context);
62     int (*disable)(effect_context_t *context);
63     int (*start)(effect_context_t *context, output_context_t *output);
64     int (*stop)(effect_context_t *context, output_context_t *output);
65     int (*process)(effect_context_t *context, audio_buffer_t *in, audio_buffer_t *out);
66     int (*set_parameter)(effect_context_t *context, effect_param_t *param, uint32_t size);
67     int (*get_parameter)(effect_context_t *context, effect_param_t *param, uint32_t *size);
68     int (*command)(effect_context_t *context, uint32_t cmdCode, uint32_t cmdSize,
227 bool effect_exists(effect_context_t *context) {  in effect_exists()  argument
234         if (fx_ctxt == context) {  in effect_exists()
255 void add_effect_to_output(output_context_t * output, effect_context_t *context) {  in add_effect_to_output()  argument
262         if (fx_ctxt == context)  in add_effect_to_output()
265     list_add_tail(&output->effects_list, &context->output_node);  in add_effect_to_output()
266     if (context->ops.start)  in add_effect_to_output()
267         context->ops.start(context, output);  in add_effect_to_output()
270 void remove_effect_from_output(output_context_t * output, effect_context_t *context) {  in remove_effect_from_output()  argument
277         if (fx_ctxt == context) {  in remove_effect_from_output()
278             if (context->ops.stop)  in remove_effect_from_output()
279                 context->ops.stop(context, output);  in remove_effect_from_output()
280             list_remove(&context->output_node);  in remove_effect_from_output()
539 int set_config(effect_context_t *context, effect_config_t *config)  in set_config()  argument
549     context->config = *config;  in set_config()
551     if (context->ops.reset)  in set_config()
552         context->ops.reset(context);  in set_config()
557 void get_config(effect_context_t *context, effect_config_t *config)  in get_config()  argument
559     *config = context->config;  in get_config()
584 int visualizer_reset(effect_context_t *context)  in visualizer_reset()  argument
586     visualizer_context_t * visu_ctxt = (visualizer_context_t *)context;  in visualizer_reset()
596 int visualizer_init(effect_context_t *context)  in visualizer_init()  argument
600     visualizer_context_t * visu_ctxt = (visualizer_context_t *)context;  in visualizer_init()
602     context->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;  in visualizer_init()
603     context->config.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;  in visualizer_init()
604     context->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT;  in visualizer_init()
605     context->config.inputCfg.samplingRate = 44100;  in visualizer_init()
606     context->config.inputCfg.bufferProvider.getBuffer = NULL;  in visualizer_init()
607     context->config.inputCfg.bufferProvider.releaseBuffer = NULL;  in visualizer_init()
608     context->config.inputCfg.bufferProvider.cookie = NULL;  in visualizer_init()
609     context->config.inputCfg.mask = EFFECT_CONFIG_ALL;  in visualizer_init()
610     context->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE;  in visualizer_init()
611     context->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;  in visualizer_init()
612     context->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;  in visualizer_init()
613     context->config.outputCfg.samplingRate = 44100;  in visualizer_init()
614     context->config.outputCfg.bufferProvider.getBuffer = NULL;  in visualizer_init()
615     context->config.outputCfg.bufferProvider.releaseBuffer = NULL;  in visualizer_init()
616     context->config.outputCfg.bufferProvider.cookie = NULL;  in visualizer_init()
617     context->config.outputCfg.mask = EFFECT_CONFIG_ALL;  in visualizer_init()
623     visu_ctxt->channel_count = audio_channel_count_from_out_mask(context->config.inputCfg.channels);  in visualizer_init()
633     set_config(context, &context->config);  in visualizer_init()
651 int visualizer_get_parameter(effect_context_t *context, effect_param_t *p, uint32_t *size)  in visualizer_get_parameter()  argument
653     visualizer_context_t *visu_ctxt = (visualizer_context_t *)context;  in visualizer_get_parameter()
686 int visualizer_set_parameter(effect_context_t *context, effect_param_t *p, uint32_t size __unused)  in visualizer_set_parameter()  argument
688     visualizer_context_t *visu_ctxt = (visualizer_context_t *)context;  in visualizer_set_parameter()
718 int visualizer_process(effect_context_t *context,  in visualizer_process()  argument
722     visualizer_context_t *visu_ctxt = (visualizer_context_t *)context;  in visualizer_process()
724     if (!effect_exists(context))  in visualizer_process()
811     if (context->state != EFFECT_STATE_ACTIVE) {  in visualizer_process()
819 int visualizer_command(effect_context_t * context, uint32_t cmdCode, uint32_t cmdSize __unused,  in visualizer_command()  argument
822     visualizer_context_t * visu_ctxt = (visualizer_context_t *)context;  in visualizer_command()
832         if (!context->offload_enabled)  in visualizer_command()
835         if (context->state == EFFECT_STATE_ACTIVE) {  in visualizer_command()
843             const uint32_t delta_smp = context->config.inputCfg.samplingRate * latency_ms / 1000;  in visualizer_command()
977     effect_context_t *context;  in effect_lib_create()  local
981         context = (effect_context_t *)visu_ctxt;  in effect_lib_create()
982         context->ops.init = visualizer_init;  in effect_lib_create()
983         context->ops.reset = visualizer_reset;  in effect_lib_create()
984         context->ops.process = visualizer_process;  in effect_lib_create()
985         context->ops.set_parameter = visualizer_set_parameter;  in effect_lib_create()
986         context->ops.get_parameter = visualizer_get_parameter;  in effect_lib_create()
987         context->ops.command = visualizer_command;  in effect_lib_create()
988         context->desc = &visualizer_descriptor;  in effect_lib_create()
993     context->itfe = &effect_interface;  in effect_lib_create()
994     context->state = EFFECT_STATE_UNINITIALIZED;  in effect_lib_create()
995     context->out_handle = (audio_io_handle_t)ioId;  in effect_lib_create()
997     ret = context->ops.init(context);  in effect_lib_create()
1000         free(context);  in effect_lib_create()
1004     context->state = EFFECT_STATE_INITIALIZED;  in effect_lib_create()
1007     list_add_tail(&created_effects_list, &context->effects_list_node);  in effect_lib_create()
1010         add_effect_to_output(out_ctxt, context);  in effect_lib_create()
1013     *pHandle = (effect_handle_t)context;  in effect_lib_create()
1015     ALOGV("%s created context %p", __func__, context);  in effect_lib_create()
1022     effect_context_t *context = (effect_context_t *)handle;  in effect_lib_release()  local
1031     if (effect_exists(context)) {  in effect_lib_release()
1032         output_context_t *out_ctxt = get_output(context->out_handle);  in effect_lib_release()
1034             remove_effect_from_output(out_ctxt, context);  in effect_lib_release()
1035         list_remove(&context->effects_list_node);  in effect_lib_release()
1036         if (context->ops.release)  in effect_lib_release()
1037             context->ops.release(context);  in effect_lib_release()
1038         free(context);  in effect_lib_release()
1077     effect_context_t * context = (effect_context_t *)self;  in effect_process()  local
1083     if (!effect_exists(context)) {  in effect_process()
1088     if (context->state != EFFECT_STATE_ACTIVE) {  in effect_process()
1102     effect_context_t * context = (effect_context_t *)self;  in effect_command()  local
1108     if (!effect_exists(context)) {  in effect_command()
1113     if (context == NULL || context->state == EFFECT_STATE_UNINITIALIZED) {  in effect_command()
1127         if (context->ops.init)  in effect_command()
1128             *(int *) pReplyData = context->ops.init(context);  in effect_command()
1138         *(int *) pReplyData = set_config(context, (effect_config_t *) pCmdData);  in effect_command()
1146         if (!context->offload_enabled) {  in effect_command()
1151         get_config(context, (effect_config_t *)pReplyData);  in effect_command()
1154         if (context->ops.reset)  in effect_command()
1155             context->ops.reset(context);  in effect_command()
1162         if (context->state != EFFECT_STATE_INITIALIZED) {  in effect_command()
1166         context->state = EFFECT_STATE_ACTIVE;  in effect_command()
1167         if (context->ops.enable)  in effect_command()
1168             context->ops.enable(context);  in effect_command()
1178         if (context->state != EFFECT_STATE_ACTIVE) {  in effect_command()
1182         context->state = EFFECT_STATE_INITIALIZED;  in effect_command()
1183         if (context->ops.disable)  in effect_command()
1184             context->ops.disable(context);  in effect_command()
1197         if (!context->offload_enabled) {  in effect_command()
1203         if (context->ops.get_parameter)  in effect_command()
1204             context->ops.get_parameter(context, p, replySize);  in effect_command()
1215         if (context->ops.set_parameter)  in effect_command()
1216             *(int32_t *)pReplyData = context->ops.set_parameter(context, p, *replySize);  in effect_command()
1241         context->offload_enabled = offload_param->isOffload;  in effect_command()
1242         if (context->out_handle == offload_param->ioHandle)  in effect_command()
1245         out_ctxt = get_output(context->out_handle);  in effect_command()
1247             remove_effect_from_output(out_ctxt, context);  in effect_command()
1249         context->out_handle = offload_param->ioHandle;  in effect_command()
1252             add_effect_to_output(out_ctxt, context);  in effect_command()
1258         if (cmdCode >= EFFECT_CMD_FIRST_PROPRIETARY && context->ops.command)  in effect_command()
1259             status = context->ops.command(context, cmdCode, cmdSize,  in effect_command()
1279     effect_context_t *context = (effect_context_t *)self;  in effect_get_descriptor()  local
1281     if (!effect_exists(context))  in effect_get_descriptor()
1287     *descriptor = *context->desc;  in effect_get_descriptor()