Merge "The AMRSource failed to properly release a media buffer in case of error."

        return ERROR_IO;

    }

    MediaBuffer *buffer;

    status_t err = mGroup->acquire_buffer(&buffer);

    if (err != OK) {

        return err;

    }

    if (header & 0x83) {

        // Padding bits must be 0.

        LOGE("padding bits must be 0, header is 0x%02x", header);

        return ERROR_MALFORMED;

    }

    unsigned FT = (header >> 3) & 0x0f;

    if (FT > 8 || (!mIsWide && FT > 7)) {

        LOGE("illegal AMR frame type %d", FT);

        return ERROR_MALFORMED;

    }

    size_t frameSize = getFrameSize(mIsWide, FT);

    CHECK_EQ(frameSize, mFrameSize);

    MediaBuffer *buffer;

    status_t err = mGroup->acquire_buffer(&buffer);

    if (err != OK) {

        return err;

    }

    n = mDataSource->readAt(mOffset, buffer->data(), frameSize);

    if (n != (ssize_t)frameSize) {