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Commit ede7c963 authored by Phil Burk's avatar Phil Burk
Browse files

aaudio: only use MMAP for low latency perf mode 

This is a quick workaround that just disables MMAP mode unless
performance mode is LOW_LATENCY.

Bug: 63176221
Test: use write_sine and change performance mode
Change-Id: Ic17ad45366d51d86fb4801c84ada4f6f82b5ff98
parent d51329ec

media/libaaudio/src/core/AudioStreamBuilder.cpp

+7 −1
Original line number Diff line number Diff line
@@ -138,6 +138,12 @@ aaudio_result_t AudioStreamBuilder::build(AudioStream** streamPtr) { 
    bool allowMMap = mmapPolicy != AAUDIO_POLICY_NEVER;

    bool allowLegacy = mmapPolicy != AAUDIO_POLICY_ALWAYS;



    // TODO Support other performance settings in MMAP mode.

    // Disable MMAP if low latency not requested.

    if (getPerformanceMode() != AAUDIO_PERFORMANCE_MODE_LOW_LATENCY) {

        allowMMap = false;

    }



    result = builder_createStream(getDirection(), sharingMode, allowMMap, &audioStream);

    if (result == AAUDIO_OK) {

        // Open the stream using the parameters from the builder.