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Commit fcf9efd5 authored by Phil Burk's avatar Phil Burk
Browse files

aaudio: add glitch detection to loopback, improve latency check 

Also improve automatic loop gain control for latency testing.
Use ArgParser to parse command line options.

Bug: 38178592
Test: this is a test
Change-Id: Idfe8f25544a3e7c74ee15be008bf34e3a0741455
parent e6e9a481

media/libaaudio/examples/loopback/jni/Android.mk

+2 −1
Original line number Diff line number Diff line
@@ -4,7 +4,8 @@ include $(CLEAR_VARS) 
LOCAL_MODULE_TAGS := tests

LOCAL_C_INCLUDES := \

    $(call include-path-for, audio-utils) \

    frameworks/av/media/libaaudio/include

    frameworks/av/media/libaaudio/include \

    frameworks/av/media/libaaudio/examples/utils



# NDK recommends using this kind of relative path instead of an absolute path.

LOCAL_SRC_FILES:= ../src/loopback.cpp

media/libaaudio/examples/loopback/src/LoopbackAnalyzer.h

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+794 −0

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media/libaaudio/examples/loopback/src/loopback.cpp

+199 −601

File changed.

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media/libaaudio/examples/loopback/src/loopback.sh

0 → 100644
+14 −0
Original line number Diff line number Diff line 
#!/system/bin/sh

# Run a loopback test in the background after a delay.

# To run the script enter:

#    adb shell "nohup sh /data/loopback.sh &"



SLEEP_TIME=10

TEST_COMMAND="aaudio_loopback -pl -Pl -C1 -n2 -m2 -tm -d5"



echo "Plug in USB Mir and Fun Plug."

echo "Test will start in ${SLEEP_TIME} seconds: ${TEST_COMMAND}"

sleep ${SLEEP_TIME}

date > /data/loopreport.txt

${TEST_COMMAND} >> /data/loopreport.txt

date >> /data/loopreport.txt

media/libaaudio/examples/utils/AAudioArgsParser.h

+13 −5
Original line number Diff line number Diff line
@@ -151,9 +151,13 @@ public: 
                case 'd':

                    mDurationSeconds = atoi(&arg[2]);

                    break;

                case 'm':

                    AAudio_setMMapPolicy(AAUDIO_POLICY_AUTO);

                    break;

                case 'm': {

                    aaudio_policy_t policy = AAUDIO_POLICY_AUTO;

                    if (strlen(arg) > 2) {

                        policy = atoi(&arg[2]);

                    }

                    AAudio_setMMapPolicy(policy);

                } break;

                case 'n':

                    setNumberOfBursts(atoi(&arg[2]));

                    break;
@@ -198,7 +202,11 @@ public: 
        printf("      -b{bufferCapacity} frames\n");

        printf("      -c{channels} for example 2 for stereo\n");

        printf("      -d{duration} in seconds, default is %d\n", DEFAULT_DURATION_SECONDS);

        printf("      -m enable MMAP\n");

        printf("      -m{0|1|2|3} set MMAP policy\n");

        printf("          0 = _UNSPECIFIED, default\n");

        printf("          1 = _NEVER\n");

        printf("          2 = _AUTO, also if -m is used with no number\n");

        printf("          3 = _ALWAYS\n");

        printf("      -n{numberOfBursts} for setBufferSize\n");

        printf("      -p{performanceMode} set output AAUDIO_PERFORMANCE_MODE*, default NONE\n");

        printf("          n for _NONE\n");