![ZwX1616](/assets/img/avatar_default.png)
* make sound infinite loopable * Update selfdrive/ui/android/sl_sound.cc * fix loop * fix test threshold * more fix Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com> Co-authored-by: Comma Device <device@comma.ai>
126 lines
4.6 KiB
C++
126 lines
4.6 KiB
C++
#include <math.h>
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#include <stdlib.h>
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#include <atomic>
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#include "common/swaglog.h"
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#include "common/timing.h"
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#include "android/sl_sound.hpp"
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#define LogOnError(func, msg) \
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if ((func) != SL_RESULT_SUCCESS) { LOGW(msg); }
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#define ReturnOnError(func, msg) \
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if ((func) != SL_RESULT_SUCCESS) { LOGW(msg); return false; }
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struct SLSound::Player {
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SLObjectItf player;
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SLPlayItf playItf;
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std::atomic<int> repeat;
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};
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SLSound::SLSound() {
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if (!init()){
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throw std::runtime_error("Failed to initialize sound");
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}
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}
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bool SLSound::init() {
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SLEngineOption engineOptions[] = {{SL_ENGINEOPTION_THREADSAFE, SL_BOOLEAN_TRUE}};
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const SLInterfaceID ids[1] = {SL_IID_VOLUME};
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const SLboolean req[1] = {SL_BOOLEAN_FALSE};
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SLEngineItf engineInterface = NULL;
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ReturnOnError(slCreateEngine(&engine_, 1, engineOptions, 0, NULL, NULL), "Failed to create OpenSL engine");
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ReturnOnError((*engine_)->Realize(engine_, SL_BOOLEAN_FALSE), "Failed to realize OpenSL engine");
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ReturnOnError((*engine_)->GetInterface(engine_, SL_IID_ENGINE, &engineInterface), "Failed to get OpenSL engine interface");
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ReturnOnError((*engineInterface)->CreateOutputMix(engineInterface, &outputMix_, 1, ids, req), "Failed to create output mix");
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ReturnOnError((*outputMix_)->Realize(outputMix_, SL_BOOLEAN_FALSE), "Failed to realize output mix");
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for (auto &kv : sound_map) {
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SLDataLocator_URI locUri = {SL_DATALOCATOR_URI, (SLchar *)kv.second.first};
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SLDataFormat_MIME formatMime = {SL_DATAFORMAT_MIME, NULL, SL_CONTAINERTYPE_UNSPECIFIED};
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SLDataSource audioSrc = {&locUri, &formatMime};
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SLDataLocator_OutputMix outMix = {SL_DATALOCATOR_OUTPUTMIX, outputMix_};
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SLDataSink audioSnk = {&outMix, NULL};
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SLObjectItf player = NULL;
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SLPlayItf playItf = NULL;
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ReturnOnError((*engineInterface)->CreateAudioPlayer(engineInterface, &player, &audioSrc, &audioSnk, 0, NULL, NULL), "Failed to create audio player");
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ReturnOnError((*player)->Realize(player, SL_BOOLEAN_FALSE), "Failed to realize audio player");
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ReturnOnError((*player)->GetInterface(player, SL_IID_PLAY, &playItf), "Failed to get player interface");
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ReturnOnError((*playItf)->SetPlayState(playItf, SL_PLAYSTATE_PAUSED), "Failed to initialize playstate to SL_PLAYSTATE_PAUSED");
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player_[kv.first] = new SLSound::Player{player, playItf};
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}
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return true;
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}
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void SLAPIENTRY slplay_callback(SLPlayItf playItf, void *context, SLuint32 event) {
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SLSound::Player *s = reinterpret_cast<SLSound::Player *>(context);
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if (event == SL_PLAYEVENT_HEADATEND && s->repeat != 0) {
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if (s->repeat > 0) --s->repeat;
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(*playItf)->SetPlayState(playItf, SL_PLAYSTATE_STOPPED);
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(*playItf)->SetMarkerPosition(playItf, 0);
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(*playItf)->SetPlayState(playItf, SL_PLAYSTATE_PLAYING);
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}
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}
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bool SLSound::play(AudibleAlert alert) {
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if (currentSound_ != AudibleAlert::NONE) {
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stop();
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}
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auto player = player_.at(alert);
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SLPlayItf playItf = player->playItf;
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int loops = sound_map[alert].second;
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player->repeat = loops > 0 ? loops - 1 : loops;
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if (player->repeat != 0) {
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ReturnOnError((*playItf)->RegisterCallback(playItf, slplay_callback, player), "Failed to register callback");
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ReturnOnError((*playItf)->SetCallbackEventsMask(playItf, SL_PLAYEVENT_HEADATEND), "Failed to set callback event mask");
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}
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// Reset the audio player
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ReturnOnError((*playItf)->ClearMarkerPosition(playItf), "Failed to clear marker position");
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uint32_t states[] = {SL_PLAYSTATE_PAUSED, SL_PLAYSTATE_STOPPED, SL_PLAYSTATE_PLAYING};
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for (auto state : states) {
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ReturnOnError((*playItf)->SetPlayState(playItf, state), "Failed to set SL_PLAYSTATE_PLAYING");
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}
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currentSound_ = alert;
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return true;
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}
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void SLSound::stop() {
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if (currentSound_ != AudibleAlert::NONE) {
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auto player = player_.at(currentSound_);
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player->repeat = 0;
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LogOnError((*(player->playItf))->SetPlayState(player->playItf, SL_PLAYSTATE_PAUSED), "Failed to set SL_PLAYSTATE_PAUSED");
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currentSound_ = AudibleAlert::NONE;
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}
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}
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void SLSound::setVolume(int volume) {
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if (last_volume_ == volume) return;
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double current_time = nanos_since_boot();
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if ((current_time - last_set_volume_time_) > (5 * (1e+9))) { // 5s timeout on updating the volume
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char volume_change_cmd[64];
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snprintf(volume_change_cmd, sizeof(volume_change_cmd), "service call audio 3 i32 3 i32 %d i32 1 &", volume);
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system(volume_change_cmd);
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last_volume_ = volume;
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last_set_volume_time_ = current_time;
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}
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}
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SLSound::~SLSound() {
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for (auto &kv : player_) {
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(*(kv.second->player))->Destroy(kv.second->player);
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delete kv.second;
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}
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if (outputMix_) {
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(*outputMix_)->Destroy(outputMix_);
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}
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if (engine_) {
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(*engine_)->Destroy(engine_);
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}
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}
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