#ifndef _CUBEB_OUTPUT_LATENCY_H_ #define _CUBEB_OUTPUT_LATENCY_H_ #include #include "cubeb_media_library.h" #include "../cubeb-jni.h" struct output_latency_function { media_lib * from_lib; cubeb_jni * from_jni; int version; }; typedef struct output_latency_function output_latency_function; const int ANDROID_JELLY_BEAN_MR1_4_2 = 17; output_latency_function * cubeb_output_latency_load_method(int version) { output_latency_function * ol = NULL; ol = calloc(1, sizeof(output_latency_function)); ol->version = version; if (ol->version > ANDROID_JELLY_BEAN_MR1_4_2){ ol->from_jni = cubeb_jni_init(); return ol; } ol->from_lib = cubeb_load_media_library(); return ol; } bool cubeb_output_latency_method_is_loaded(output_latency_function * ol) { assert(ol); if (ol->version > ANDROID_JELLY_BEAN_MR1_4_2){ return !!ol->from_jni; } return !!ol->from_lib; } void cubeb_output_latency_unload_method(output_latency_function * ol) { if (!ol) { return; } if (ol->version > ANDROID_JELLY_BEAN_MR1_4_2 && ol->from_jni) { cubeb_jni_destroy(ol->from_jni); } if (ol->version <= ANDROID_JELLY_BEAN_MR1_4_2 && ol->from_lib) { cubeb_close_media_library(ol->from_lib); } free(ol); } uint32_t cubeb_get_output_latency(output_latency_function * ol) { assert(cubeb_output_latency_method_is_loaded(ol)); if (ol->version > ANDROID_JELLY_BEAN_MR1_4_2){ return cubeb_get_output_latency_from_jni(ol->from_jni); } return cubeb_get_output_latency_from_media_library(ol->from_lib); } #endif // _CUBEB_OUTPUT_LATENCY_H_