am ae93f52e: Merge "RTP: remove froyo-compatible code." into gingerbread

    LOGD("group[%d] is dead", mDeviceSocket);

}

#define FROYO_COMPATIBLE

#ifdef FROYO_COMPATIBLE

// Copied from AudioRecord.cpp.

status_t AudioRecord_getMinFrameCount(

        int* frameCount,

        uint32_t sampleRate,

        int format,

        int channelCount)

{

    size_t size = 0;

    if (AudioSystem::getInputBufferSize(sampleRate, format, channelCount, &size)

            != NO_ERROR) {

        LOGE("AudioSystem could not query the input buffer size.");

        return NO_INIT;

    }

    if (size == 0) {

        LOGE("Unsupported configuration: sampleRate %d, format %d, channelCount %d",

            sampleRate, format, channelCount);

        return BAD_VALUE;

    }

    // We double the size of input buffer for ping pong use of record buffer.

    size <<= 1;

    if (AudioSystem::isLinearPCM(format)) {

        size /= channelCount * (format == AudioSystem::PCM_16_BIT ? 2 : 1);

    }

    *frameCount = size;

    return NO_ERROR;

}

// Copied from AudioTrack.cpp.

status_t AudioTrack_getMinFrameCount(

        int* frameCount,

        int streamType,

        uint32_t sampleRate)

{

    int afSampleRate;

    if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) {

        return NO_INIT;

    }

    int afFrameCount;

    if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) {

        return NO_INIT;

    }

    uint32_t afLatency;

    if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) {

        return NO_INIT;

    }

    // Ensure that buffer depth covers at least audio hardware latency

    uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate);

    if (minBufCount < 2) minBufCount = 2;

    *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount :

              afFrameCount * minBufCount * sampleRate / afSampleRate;

    return NO_ERROR;

}

#endif

bool AudioGroup::set(int sampleRate, int sampleCount)

{

    mEventQueue = epoll_create(2);

    // Find out the frame count for AudioTrack and AudioRecord.

    int output = 0;

    int input = 0;

#ifdef FROYO_COMPATIBLE

    if (AudioTrack_getMinFrameCount(&output, AudioSystem::VOICE_CALL,

        sampleRate) != NO_ERROR || output <= 0 ||

        AudioRecord_getMinFrameCount(&input, sampleRate,

        AudioSystem::PCM_16_BIT, 1) != NO_ERROR || input <= 0) {

        LOGE("cannot compute frame count");

        return false;

    }

#else

    if (AudioTrack::getMinFrameCount(&output, AudioSystem::VOICE_CALL,

        sampleRate) != NO_ERROR || output <= 0 ||

        AudioRecord::getMinFrameCount(&input, sampleRate,

        LOGE("cannot compute frame count");

        return false;

    }

#endif

    LOGD("reported frame count: output %d, input %d", output, input);

    output = (output + sampleCount - 1) / sampleCount * sampleCount;