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79 lines
2.4 KiB
79 lines
2.4 KiB
4 months ago
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#include "AudioControl.h"
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#include <hidl/HidlTransportSupport.h>
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#include <log/log.h>
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namespace android {
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namespace hardware {
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namespace automotive {
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namespace audiocontrol {
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namespace V1_0 {
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namespace implementation {
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// This is the static map we're using to associate a ContextNumber with a
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// bus number from the audio_policy_configuration.xml setup. Every valid context needs
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// to be mapped to a bus address that actually exists in the platforms configuration.
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*a)) // Would be nice if this were common...
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static int sContextToBusMap[] = {
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-1, // INVALID
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0, // MUSIC_CONTEXT
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1, // NAVIGATION_CONTEXT
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2, // VOICE_COMMAND_CONTEXT
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3, // CALL_RING_CONTEXT
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4, // CALL_CONTEXT
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5, // ALARM_CONTEXT
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6, // NOTIFICATION_CONTEXT
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7, // SYSTEM_SOUND_CONTEXT
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};
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static const unsigned sContextMapSize = ARRAY_SIZE(sContextToBusMap);
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static const unsigned sContextCount = sContextMapSize - 1; // Less one for the INVALID entry
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static const unsigned sContextNumberMax = sContextCount; // contextNumber is counted from 1
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AudioControl::AudioControl() {
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};
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Return<int32_t> AudioControl::getBusForContext(ContextNumber ctxt) {
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unsigned contextNumber = static_cast<unsigned>(ctxt);
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if (contextNumber > sContextNumberMax) {
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ALOGE("Unexpected context number %d (max expected is %d)", contextNumber, sContextCount);
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return -1;
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} else {
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return sContextToBusMap[contextNumber];
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}
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}
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Return<void> AudioControl::setBalanceTowardRight(float value) {
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// For completeness, lets bounds check the input...
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if ((value > 1.0f) || (value < -1.0f)) {
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ALOGE("Balance value out of range -1 to 1 at %0.2f", value);
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} else {
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// Just log in this default mock implementation
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ALOGI("Balance set to %0.2f", value);
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}
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return Void();
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}
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Return<void> AudioControl::setFadeTowardFront(float value) {
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// For completeness, lets bounds check the input...
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if ((value > 1.0f) || (value < -1.0f)) {
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ALOGE("Fader value out of range -1 to 1 at %0.2f", value);
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} else {
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// Just log in this default mock implementation
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ALOGI("Fader set to %0.2f", value);
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}
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return Void();
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}
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} // namespace implementation
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} // namespace V1_0
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} // namespace audiocontrol
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} // namespace automotive
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} // namespace hardware
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} // namespace android
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